You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight). The fastest direct flight from San Jose to Seattle / Tacoma takes 2 hours and 12 minutes. The flight distance between San Jose and Seattle / Tacoma is 696 miles (or 1,120 km).Flights from Seattle (SEA) to San José (SYQ) Origin airport. Seattle - Tacoma Intl. Destination airport. Tobías Bolaños Intl. Distance. 3411 mi. Explore United Airlines's Top-Pick Destinations. Find United Airlines cheap flights from Seattle to San Jose. Enjoy a Seattle to San Jose modern flight experience in premium cabins with Wi-Fi. Cheap Flights from Seattle to San Jose (SEA-SJC) Prices were available within the past 7 days and start at $54 for one-way flights and $108 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. On average, a flight to San Jose costs $221. The cheapest price found on KAYAK in the last 2 weeks cost $24 and departed from Las Vegas. The most popular routes on KAYAK are San Diego to San Jose which costs $157 on average, and Seattle to San Jose, which costs $240 on average. See prices from:The distance between Seattle (Seattle–Tacoma International Airport) and San José del Cabo (Los Cabos International Airport) is 1814 miles / 2920 kilometers / 1577 nautical miles. The driving distance from Seattle (SEA) to San José del Cabo (SJD) is 2279 miles / 3668 kilometers, and travel time by car is about 44 hours 5 minutes.See Latest Fare. Seattle (SEA) to. San Jose (SJC) 05/14/24 - 05/21/24. from. $237*. Updated: 17 hours ago.At present, there are 34 domestic flights from San Jose. The longest flight from San Jose SJC is a 3,194 mile (5,140 km) non-stop route to Tokyo NRT. This direct flight takes around 11 hours and 10 minutes and is operated by ZIPAIR.The average flight time from San Jose, CA, to San Diego is 1 hour 21 minutes. How many Southwest flights occur weekly from San Jose, CA, to San Diego? There are 121 weekly flights from San Jose, CA, to San Diego on Southwest Airlines.The cheapest way to get from Seattle to San Jose costs only $105, and the quickest way takes just 4 hours. Find the travel option that best suits you. ... Flights from Seattle to San Jose Ave. Duration 2h 9m When Every day Estimated price $95 - $420 Flights from Seattle to San Jose via Portland ...See Latest Fare. Seattle (SEA) to. Cabo San Lucas (SJD) 04/30/24 - 05/07/24. from. $436*. Updated: 10 hours ago. Round trip.Cheap Flights from Seattle to San Diego (SEA-SAN) Prices were available within the past 7 days and start at $50 for one-way flights and $100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to San Diego with no change fee on selected ... On average, a flight to San Jose costs $221. The cheapest price found on KAYAK in the last 2 weeks cost $24 and departed from Las Vegas. The most popular routes on KAYAK are San Diego to San Jose which costs $157 on average, and Seattle to San Jose, which costs $240 on average. See prices from: The flight time from San Jose to Seattle is 2 hours, 8 minutes. The time spent in the air is 1 hour, 43 minutes. These numbers are averages. In reality, it varies by airline with Southwest being the fastest taking 2 hours, 2 minutes, and … The cheapest return flight ticket from Seattle to San Jose found by KAYAK users in the last 72 hours was for C$ 208 on Delta, followed by Alaska Airlines (C$ 218). One-way flight deals have also been found from as low as C$ 105 on Delta and from C$ 108 on Alaska Airlines. Find and book cheap flights from Seattle (SEA) to San Jose (SJC) with Expedia. Compare prices, dates, airlines and deals for roundtrip or one-way flights. How far is Seattle from San Jose? Here's the quick answer if you have a private jet and you can fly in the fastest possible straight line. Flight distance: 709 miles or 1141 km Flight time: 1 hour, 43 minutes Compare this to a whole day of commercial travel with the airports and waiting in line for security, which ends up taking a total of 7 hours, 15 minutes.Flights from San Jose to Seattle with American Airlines. Round trip. expand_more. 1 Adult, Economy class. expand_more. Book with cash. expand_more. From. close. To. close. Depart 04/28/24. today. Return 05/05/24. today. Search. Home; American Airlines flights; Flights to United States; San Jose to Seattle; Recent searches for flights from San ...The cheapest way to get from Seattle to San Jose costs only $105, and the quickest way takes just 4 hours. Find the travel option that best suits you. ... Flights from Seattle to San Jose Ave. Duration 2h 9m When Every day Estimated price $95 - $420 Flights from Seattle to San Jose via Portland ... Register now (free) for customized features, flight alerts, and more! Join FlightAware. San Jose Int'l (KSJC) - Seattle-Tacoma Intl (KSEA) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination. $214 Cheap Delta flights Seattle (SEA) to San José (SJO) Prices were available within the past 7 days and start at $214 for one-way flights and $402 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Flights from Seattle to San Jose Ave. Duration 2h 9m When Every day Estimated price $95 - $420 Flights from Seattle to San Jose via Portland Ave. Duration 4h 3m When Monday, Thursday, Friday and Sunday Estimated price $95 - $420 Flights from Seattle to San Francisco Ave. Duration 2h 9m When Every day Find cheap flights from San Jose to Seattle from $77. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Sat 5/18. Sat 5/25. Search. Direct flights only. Search hundreds of …Seattle to San José Flights Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Seattle to San José offer the perfect respite. Not only does exploring San José provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you … What is the flight distance from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to San Jose, CA Airport (SJC-Norman Y. Mineta San Jose Intl.)? The short-haul trip between Seattle and San Jose is an easy 700 miles (1100 km). With 5 different airlines operating flights between Seattle and San Jose Cabo, there are, on average, 870 flights per month. This equates to about 203 flights per week, and 29 flights per day from SEA to SJD.San Jose to Seattle Flights Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from San Jose to Seattle offer the perfect respite. Not only does exploring Seattle provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you … Searching for cheap flights from Seattle to San Jose? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. WN2849 and Seattle SEA to San Jose SJC Flights. This is a multi leg flight of Southwest Airlines WN2849. Next leg is San Jose to Las Vegas. Other flights departing from Seattle SEA: AS678, DL80, UA1334, AS272. Other flights arriving at San Jose SJC: UA535, WN1563, AS1106, DL3662. All flights connecting Seattle SEA to San Jose SJC.Apr 9, 2024 · Deal found 4/19 $482. Pick Dates. One of the most popular airlines traveling from Seattle to San José del Cabo is Aeromexico. Flights on this route from Aeromexico typically cost $450.36 RT, a price that is 92% cheaper than the average Seattle to San José del Cabo flight. The cheapest flight found was $201 RT. Connect with us. Find low fares to top destinations on the official Southwest Airlines website. Book flight reservations, rental cars, and hotels on southwest.com.Cheap flights from Seattle (SEA) to San José (SJO) Prices were available within the past 7 days and start at CA $181 for one-way flights and CA $435 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.Apr 30, 2024. today. Home. Flights. To Canada. San Jose to Vancouver. Searching for cheap flights from San Jose to Vancouver? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. Flights from Seattle (SEA) to San José (SYQ) Origin airport. Seattle - Tacoma Intl. Destination airport. Tobías Bolaños Intl. Distance. 3411 mi. Cheap flights from Seattle (SEA) to San José (SJO) Prices were available within the past 7 days and start at CA $181 for one-way flights and CA $435 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Searching for cheap flights from Seattle to San Jose? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. This is a list of all destinations and flights from San Jose (SJC) with Alaska Airlines. Airline IATA code: AS. Aircrafts used: Boeing 737, Embraer 19X/17X. Terminal: B. Found 13 routes with direct flights from San Jose with Alaska Airlines. Show all airlines instead. Destination. Find flights to San José from $92. Fly from Seattle on Spirit Airlines, Alaska Airlines, Delta and more. Search for San José flights on KAYAK now to find the best deal. How far is Seattle from San Jose? Here's the quick answer if you have a private jet and you can fly in the fastest possible straight line. Flight distance: 709 miles or 1141 km Flight time: 1 hour, 43 minutes Compare this to a whole day of commercial travel with the airports and waiting in line for security, which ends up taking a total of 7 hours, 15 minutes.This is a multi leg flight of Delta Air Lines DL3840. Next leg is San Jose to Seattle. Flight DL3840 is code-shared by 4 airlines using the flight numbers KE3085, KL6246, MU8810, WS7715. Other flights departing from Seattle SEA: DL442, DL3770, DL3733, AS67. Other flights arriving at San Jose SJC: WN4397, WN4974, WN279, …Browse destinations: $153. Flights to San Jose, San Jose. Find flights to San Jose from $77. Fly from Washington on Delta, Alaska Airlines, Spirit Airlines and more. Search for San Jose flights on KAYAK now to find the best deal.Compare flight deals to San Jose from Seattle from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flex your dates to find the best Seattle-San … Searching for cheap flights from Seattle to San Jose? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. Cheap Flights from Seattle Paine Field Intl. Airport to San Jose (PAE-SJC) Prices were available within the past 7 days and start at $93 for one-way flights and $234 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Direct. from $142. San Jose.$145 per passenger.Departing Sat, Sep 21, returning Wed, Sep 25.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Seattle / Tacoma International on Sat, Sep 21, arriving in San Jose International.Inbound direct flight with Alaska Airlines departing from San Jose ...Cheap flights from Seattle (SEA) to San José (SJO) Prices were available within the past 7 days and start at CA $181 for one-way flights and CA $435 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.Find and book cheap flights from Seattle (SEA) to San Jose (SJC) with Expedia. Compare prices, dates, airlines and deals for roundtrip or one-way flights. San Jose. $434 per passenger. Departing Thu, Apr 11, returning Thu, Apr 18. Round-trip flight with Frontier Airlines and Spirit Airlines. Outbound indirect flight with Frontier Airlines, departing from Seattle / Tacoma International on Thu, Apr 11, arriving in San Jose Juan Santamaria. On average, a flight to San José, San José Province costs $302. The cheapest price found on KAYAK in the last 2 weeks cost $51 and departed from Houston George Bush Intcntl Airport. The most popular routes on KAYAK are New York to San José, San José Province which costs $411 on average, and Fort Lauderdale to San José, San José Province ...Cheap Flights from Seattle (SEA) to San Jose (SJC) Prices were available within the past 7 days and start at ₹6,358 for one-way flights and ₹12,310 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals.The total straight line flight distance from Seattle, WA to San Jose, CA is 709 miles. This is equivalent to 1 141 kilometers or 616 nautical miles. Your trip begins in Seattle, Washington. It ends in San Jose, California. Your flight direction from Seattle, WA to San Jose, CA is South (178 degrees from North).️ Use the interactive calendar available on Expedia to see the cheapest Alaska Airlines (San Jose SJC - Seattle SEA) ticket prices during the weeks surrounding your travel dates. Compare flight prices for similar timeframes and adjust departure and return dates to get the cheapest fare possible. The lowest-priced days are highlighted in green. The cheapest return flight ticket from Seattle to San Jose found by KAYAK users in the last 72 hours was for C$ 208 on Delta, followed by Alaska Airlines (C$ 218). One-way flight deals have also been found from as low as C$ 105 on Delta and from C$ 108 on Alaska Airlines. Flights from Seattle to San Jose. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to San Jose. Find the best flights...Flights between Seattle, WA and San José del Cabo, Mexico starting at $175. Choose between Alaska Airlines, Volaris, or VivaAerobus to find the best price. Search, compare, and book flights, trains, and buses.Are you searching for American Airlines flights from Seattle to San Jose, CR? Find the best selections and fly in style.$214 Cheap Delta flights Seattle (SEA) to San José (SJO) Prices were available within the past 7 days and start at $214 for one-way flights and $402 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Featured daily fares for flights from San Jose (SJC) to Seattle (SEA) Find United Airlines cheap flights from San Jose to Seattle. Enjoy a San Jose to Seattle modern flight experience in premium cabins with Wi-Fi. Users in need of a one-way flight from Seattle to Cabo San Lucas can choose from these deals. Those seeking round-trip flights from Seattle to Cabo San Lucas should utilize the search form at the the top of the page. Wed 5/15 9:55 am SEA - SJD. 1 stop 23h 43m Frontier. Deal found 4/19 $151.Apr 30, 2024. today. Home. Flights. To Canada. San Jose to Vancouver. Searching for cheap flights from San Jose to Vancouver? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. The average flight time from San Jose, CA, to Seattle/Tacoma is 2 hours 10 minutes. How many Southwest flights occur weekly from San Jose, CA, to Seattle/Tacoma? There are 73 weekly flights from San Jose, CA, to Seattle/Tacoma on Southwest Airlines. Does Southwest fly nonstop on weekdays from San Jose, CA, to Seattle/Tacoma? Pick Dates. One of the most popular airlines traveling from San Jose to Seattle is Delta. Flights from Delta traveling this route typically cost $263.97 RT. This price is typically 59% cheaper than other airlines that offer San Jose to Seattle flights. When booking this route, the cheapest RT price found was $176.Distance from Seattle to San Jose (Seattle–Tacoma International Airport – San Jose International Airport) is 696 miles / 1121 kilometers / 605 nautical miles. See also a map, estimated flight duration, carbon dioxide emissions and … On average, a flight to San Jose costs $221. The cheapest price found on KAYAK in the last 2 weeks cost $24 and departed from Las Vegas. The most popular routes on KAYAK are San Diego to San Jose which costs $157 on average, and Seattle to San Jose, which costs $240 on average. See prices from: The two airlines most popular with KAYAK users for flights from San José to Seattle are Alaska Airlines and Delta. With an average price for the route of $588 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $526 and an overall rating of 8.0.Yes. Over 20 direct flights from Seattle to San Jose were found in the last week, with better deals found between $200 and $173. How much does a last minute flight from Seattle to San Jose cost? $200 is the best price for last minute Seattle to San Jose flights. Priceline has found over 20 Seattle - San Jose flights departing in the next week.Pick Dates. One of the most popular airlines traveling from San Jose to Seattle is Delta. Flights from Delta traveling this route typically cost $263.97 RT. This price is typically 59% cheaper than other airlines that offer San Jose to Seattle flights. When booking this route, the cheapest RT price found was $176.2h 12m direct. 06:20 - 08:43 SJC - SEA. 2h 23m direct. £123 Delta. Find Deal. Wed, 22 May - Tue, 4 Jun. 19:45 - 21:55 SEA - SJC. 2h 10m direct. 06:20 - 08:43 SJC - SEA. 2h 23m …Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to San José del Cabo. Find the best flights fast, track prices, and book with confidence.On this page. This month, there are 6,470 flights arriving at San Jose Airport, which are 216 flights per day or 9 flights per hour. On an average day, there is at least 1 flight arriving every 7 minutes. The most frequently departed flights to San Jose are routes from San Diego (SAN) in United States and Los Angeles (LAX), also in …San Jose to Seattle Flights Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from San Jose to Seattle offer the perfect respite. Not only does exploring Seattle provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare ...San Jose. $121 per passenger. Departing Sat, May 11, returning Wed, May 15. Round-trip flight with Spirit Airlines. Outbound indirect flight with Spirit Airlines, departing from Seattle / Tacoma International on Sat, May 11, arriving in San Jose International.Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. Anchorage 1 stop $480. Fairbanks 1 stop $480. Juneau 2 stops $458. Ketchikan 1 stop $434. Sitka 1 stop $424. Kodiak 2 stops $694.Are you searching for American Airlines flights from Seattle to San Jose, CR? Find the best selections and fly in style. Norman Y. Mineta San Jose Intl. flight + hotel packages - economy flights. $79 Search for cheap flights deals from SEA to SJC (Seattle - Tacoma Intl. to Norman Y. Mineta San Jose Intl.). We offer cheap direct, non-stop flights including one way and roundtrip tickets. May 4, 2016 · Airfares from $96 One Way, $267 Round Trip from Seattle to San José. Prices starting at $267 for return flights and $96 for one-way flights to San José were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Sat, May 4 - Fri, May 17. SEA. Seattle. SJO. American Airlines flights from Seattle to Costa Rica. Round trip. expand_more. 1 Adult, Economy class. ... Seattle (SEA) to. San Jose, CR (SJO) 06/05/24 - 06/12/24. from. Flights from San Jose to Seattle with American Airlines. Round trip. expand_more. 1 Adult, Economy class. expand_more. Book with cash. expand_more. From. close. To. close. Depart 04/28/24. today. Return 05/05/24. today. Search. Home; American Airlines flights; Flights to United States; San Jose to Seattle; Recent searches for flights from …Alaska Airlines has now opened up new routes to Costa Rica from Seattle (layover in LAX). Fly starting $249 one way from Seattle/LAX to Liberia or San Jose, Costa Rica. I grew up in Washington state so when I began visiting Costa Rica, SeaTac was the airport I flew out of. SeaTac is a big airport but unfortunately not a hub to …Compare flight deals to San Jose from Seattle from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flex your dates to find the best …Airfares from $96 One Way, $267 Round Trip from Seattle to San José. Prices starting at $267 for return flights and $96 for one-way flights to San José were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Sat, May 4 - Fri, May 17. SEA. Seattle. SJO. The best one-way flight to San Jose from Seattle in the past 72 hours is $77. The best round-trip flight deal from Seattle to San Jose found on momondo in the last 72 hours is $153. The fastest flight from Seattle to San Jose takes 2h 08m. Direct flights go from Seattle to San Jose every day. There is 1 airport near San Jose: San Jose (SJC) Portland, Oregon to Managua. $743. Vancouver to Panama City, Panama. $439. Vancouver to New York City. $257. Find flights from Seattle (SEA) to San Jose, Costa Rica (SJO) $88+, FareCompare finds cheap flights, and sends email alerts.Distance from San Jose to Seattle (San Jose International Airport – Seattle–Tacoma International Airport) is 696 miles / 1121 kilometers / 605 nautical miles. See also a map, estimated flight duration, carbon dioxide emissions and the time difference between San Jose and Seattle.This is a multi leg flight of Delta Air Lines DL3840. Next leg is San Jose to Seattle. Flight DL3840 is code-shared by 4 airlines using the flight numbers KE3085, KL6246, MU8810, WS7715. Other flights departing from Seattle SEA: DL442, DL3770, DL3733, AS67. Other flights arriving at San Jose SJC: WN4397, WN4974, WN279, …Find flights to San José from $92. Fly from Seattle on Spirit Airlines, Alaska Airlines, Delta and more. Search for San José flights on KAYAK now to find the best deal.
Prices were available within the past 7 days and start at $79 for one-way flights and $147 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Tue, Aug 13 - …. Role ai
San Jose. $121 per passenger. Departing Sat, May 11, returning Wed, May 15. Round-trip flight with Spirit Airlines. Outbound indirect flight with Spirit Airlines, departing from Seattle / Tacoma International on Sat, May 11, arriving in San Jose International.Route information. Seattle, WA is 698 miles from San Jose. There are 16 daily flights from Seattle, WA to San Jose. There are 29 weekly flights from Seattle, WA to San Jose. 17 non-stop flights are operating from Seattle, WA to San Jose today. Alaska Airlines has the most nonstop flights between Seattle, WA and San Jose.Flights from Seattle (SEA) to San José del Cabo (SJD) Origin airport. Seattle - Tacoma Intl. Destination airport. Los Cabos Intl. Airlines serving. Aeromexico, Alaska Airlines, American Airlines, Delta, JetBlue Airways, United. Popular airline. Alaska Airlines.Yes. Over 20 direct flights from Seattle to San Jose were found in the last week, with better deals found between $200 and $173. How much does a last minute flight from Seattle to San Jose cost? $200 is the best price for last minute Seattle to San Jose flights. Priceline has found over 20 Seattle - San Jose flights departing in the next week.Flights from Seattle to San Jose; Flights to San Jose; California; United States of America; Flights; ... May 7 from Seattle to San Jose, returning Wed, May 15, priced at $162 found 10 hours ago. Tue, May 14 - Tue, May 14. SEA. Seattle. SJC. San Jose. $164 Roundtrip, found 1 day ago. $164. Roundtrip.AF 2266 Seattle to San Jose Flight Status. Air France Flight AF2266 from Seattle Tacoma International Airport SEA to San Jose International Airport SJC is not scheduled for today February 29th, 2024. The last time the flight was scheduled was on December 14th, 2023. Check the table below for AF2266's most recent flight history:The distance between Seattle (Seattle–Tacoma International Airport) and San José del Cabo (Los Cabos International Airport) is 1814 miles / 2920 kilometers / 1577 nautical miles. The driving distance from Seattle (SEA) to San José del Cabo (SJD) is 2279 miles / 3668 kilometers, and travel time by car is about 44 hours 5 minutes. The two airlines most popular with KAYAK users for flights from San Jose to Seattle are Alaska Airlines and Delta. With an average price for the route of $219 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $208 and an overall rating of 8.0. Santa Maria to San Jose Flights. Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Santa Maria to San Jose offer the perfect respite. Not only does exploring San Jose provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the ...Prices were available within the past 7 days and start at $30 for one-way flights and $59 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from San Diego to San Jose with no change fee on selected flights. Earn your airline miles on top of our rewards! All flight schedules from Seattle Tacoma International , Washington , USA to Los Cabos International, Mexico . This route is operated by 2 airline (s), and the flight time is 5 hours and 20 minutes. The distance is 1827 miles. USA. Cheap Alaska Airlines flights Seattle (SEA) to San Jose (SJC) Prices were available within the past 7 days and start at for one-way flights and $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Get Alaska Airlines cheap flights from Seattle to San Jose. Searching for cheap flights from Seattle to San Jose? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today. Direct flights from Seattle to San Jose are more sustainable than flights with stops, with approximately 1,698 lbs of carbon being released per person. If you wish to be more sustainable in your travels, Alaska Airlines, American Airlines, and Southwest Airlines are eco-friendlier. They release 50%, 42%, and 39% less carbon respectively..