$265+ Cheap flights from San José (SJO) to Seattle (SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SEA
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Find cheap flights from San José to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San José to Seattle
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Best
Last-minute
One-way
Cheapest flights from San José to SeattleExplore the most affordable flight options available from San José to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from San José to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This Avianca deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:45 am
SJO
- SEA
2 stops13h 48m
Multiple Airlines
Tue 9/156:49 am
SEA
- SJO
2 stops15h 26m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$550
This eDestinos deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:45 am
SJO
- SEA
1 stop13h 25m
Multiple Airlines
Tue 9/224:45 pm
SEA
- SJO
2 stops17h 45m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$551
This eDestinos deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:45 am
SJO
- SEA
1 stop18h 14m
Multiple Airlines
Sat 9/196:49 am
SEA
- SJO
1 stop15h 26m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$552
This Avianca deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/187:45 am
SJO
- SEA
1 stop16h 29m
Multiple Airlines
Thu 12/318:07 am
SEA
- SJO
2 stops13h 08m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$553
This Avianca deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:45 am
SJO
- SEA
2 stops13h 48m
Multiple Airlines
Fri 9/181:30 pm
SEA
- SJO
2 stops18h 00m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$554
This eDestinos deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:35 pm
SJO
- SEA
1 stop31h 54m
Multiple Airlines
Thu 8/276:49 am
SEA
- SJO
1 stop15h 26m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$555
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:25 pm
SJO
- SEA
2 stops24h 57m
United Airlines
Sun 9/207:00 am
SEA
- SJO
1 stop23h 15m
United Airlines
Deal found 7/23![United Airlines logo]()
$556
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/202:00 pm
SJO
- SEA
1 stop20h 47m
American Airlines
Tue 7/285:40 pm
SEA
- SJO
1 stop19h 57m
American Airlines
Deal found 7/20![American Airlines logo]()
$557
This Avianca deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:45 am
SJO
- SEA
2 stops17h 13m
Multiple Airlines
Sat 9/56:49 am
SEA
- SJO
2 stops15h 26m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:50 pm
SJO
- SEA
1 stop12h 17m
American Airlines
Wed 9/166:15 pm
SEA
- SJO
2 stops16h 44m
American Airlines
Deal found 7/22![American Airlines logo]()
$561
This Avianca deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:45 am
SJO
- SEA
1 stop15h 15m
Multiple Airlines
Tue 11/38:00 am
SEA
- SJO
2 stops13h 15m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$562
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:00 pm
SJO
- SEA
1 stop11h 09m
American Airlines
Tue 9/153:42 pm
SEA
- SJO
2 stops20h 17m
American Airlines
Deal found 7/20![American Airlines logo]()
$563
Best flights from San José to SeattleDiscover carefully curated flight deals from San José to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from San José to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:55 am
SJO
- SEA
1 stop12h 13m
United Airlines
Mon 9/285:05 pm
SEA
- SJO
1 stop18h 16m
United Airlines
Deal found 7/20![United Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:55 am
SJO
- SEA
2 stops16h 31m
United Airlines
Fri 10/167:11 am
SEA
- SJO
1 stop23h 04m
United Airlines
Deal found 7/20![United Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:55 am
SJO
- SEA
1 stop14h 41m
United Airlines
Sun 9/2711:59 pm
SEA
- SJO
1 stop11h 22m
United Airlines
Deal found 7/18![United Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:45 am
SJO
- SEA
1 stop10h 44m
United Airlines
Sun 9/2711:59 pm
SEA
- SJO
1 stop11h 22m
United Airlines
Deal found 7/18![United Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:45 am
SJO
- SEA
1 stop15h 41m
United Airlines
Tue 9/89:00 am
SEA
- SJO
2 stops26h 21m
United Airlines
Deal found 7/20![United Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:45 am
SJO
- SEA
1 stop10h 44m
United Airlines
Sat 9/263:18 pm
SEA
- SJO
1 stop14h 57m
United Airlines
Deal found 7/21![United Airlines logo]()
$586
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:45 am
SJO
- SEA
1 stop15h 41m
United Airlines
Fri 9/411:59 pm
SEA
- SJO
1 stop11h 22m
United Airlines
Deal found 7/21![United Airlines logo]()
$586
Last-minute flights from San José to SeattleDiscover last-minute flight deals from San José to Seattle. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from San José to Seattle. Data last updated July 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:00 am
SJO
- SEA
1 stop19h 07m
American Airlines
Wed 7/295:05 am
SEA
- SJO
1 stop16h 33m
American Airlines
Deal found 7/19![American Airlines logo]()
$567
This Avianca deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:45 am
SJO
- SEA
2 stops17h 13m
Multiple Airlines
Sat 9/56:49 am
SEA
- SJO
2 stops15h 26m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 am
SJO
- SEA
1 stop19h 07m
American Airlines
Wed 9/165:34 pm
SEA
- SJO
1 stop19h 23m
American Airlines
Deal found 7/22![American Airlines logo]()
$557
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:06 am
SJO
- SEA
1 stop22h 52m
Alaska Airlines
Sat 8/156:10 pm
SEA
- SJO
1 stop28h 36m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$575
This eDestinos deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:45 am
SJO
- SEA
1 stop13h 25m
Multiple Airlines
Tue 9/224:45 pm
SEA
- SJO
2 stops17h 45m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$551
This eDestinos deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:45 am
SJO
- SEA
1 stop14h 26m
Multiple Airlines
Tue 8/187:26 am
SEA
- SJO
1 stop14h 49m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$552
This Mytrip deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:45 am
SJO
- SEA
2 stops15h 54m
Multiple Airlines
Mon 8/312:30 pm
SEA
- SJO
2 stops31h 45m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$569
This eDestinos deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/234:35 pm
SJO
- SEA
1 stop31h 54m
Multiple Airlines
Thu 8/276:49 am
SEA
- SJO
1 stop15h 26m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$555
This Avianca deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:45 am
SJO
- SEA
1 stop15h 15m
Multiple Airlines
Tue 11/38:00 am
SEA
- SJO
2 stops13h 15m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$562
This Avianca deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:45 am
SJO
- SEA
1 stop15h 15m
Multiple Airlines
Wed 9/99:57 am
SEA
- SJO
2 stops12h 18m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$565
One-way flights from San José to SeattleSearch for one-way flight options from San José to Seattle. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from San José to Seattle. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:15 pm
SJO
- SEA
2 stops45h 45m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$265
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 am
SJO
- SEA
1 stop16h 00m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:06 am
SJO
- SEA
1 stop22h 52m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 am
SJO
- SEA
3 stops28h 00m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$294
This Avianca deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:45 am
SJO
- SEA
2 stops14h 54m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$306
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:25 pm
SJO
- SEA
2 stops27h 39m
United Airlines
Deal found 7/22![United Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:55 am
SJO
- SEA
1 stop12h 08m
United Airlines
Deal found 7/22![United Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:25 pm
SJO
- SEA
2 stops30h 04m
United Airlines
Deal found 7/23![United Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:45 am
SJO
- SEA
1 stop28h 35m
United Airlines
Deal found 7/21![United Airlines logo]()
$318
This Avianca deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:45 am
SJO
- SEA
2 stops15h 16m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$319
Find flight deals from San José to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $550 (Avianca) |
One-way from | $265 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $650 |
Cheapflights Fare Finder
Customize your flight search to find flights from San José to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
Use the filters below to find and compare flights from San José to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Fri 9/18
7:55 am-7:08 pm
1 stop12h 13m
Seattle/Tacoma Intl
Mon 9/28
5:05 pm-12:21 pm
1 stop18h 16m
$556
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Tue 10/13
7:55 am-11:26 pm
2 stops16h 31m
Seattle/Tacoma Intl
Fri 10/16
7:11 am-7:15 am
1 stop23h 04m
$577
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Fri 9/18
7:55 am-9:36 pm
1 stop14h 41m
Seattle/Tacoma Intl
Sun 9/27
11:59 pm-12:21 pm
1 stop11h 22m
$577
Quickest round-trip
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Sat 9/19
8:45 am-6:29 pm
1 stop10h 44m
Seattle/Tacoma Intl
Sun 9/27
11:59 pm-12:21 pm
1 stop11h 22m
$577
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Thu 9/3
8:45 am-11:26 pm
1 stop15h 41m
Seattle/Tacoma Intl
Tue 9/8
9:00 am-12:21 pm
2 stops26h 21m
$577
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Sun 9/20
8:45 am-6:29 pm
1 stop10h 44m
Seattle/Tacoma Intl
Sat 9/26
3:18 pm-7:15 am
1 stop14h 57m
$586
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Thu 9/3
8:45 am-11:26 pm
1 stop15h 41m
Seattle/Tacoma Intl
Fri 9/4
11:59 pm-12:21 pm
1 stop11h 22m
$586
Cheapest one-way
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Mon 10/12
7:00 am-10:00 pm
1 stop16h 00m
$282
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Tue 7/28
1:06 am-10:58 pm
1 stop22h 52m
$290
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Fri 9/11
1:25 pm-4:04 pm
2 stops27h 39m
$308
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from San José to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San José to Seattle in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San José-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San José-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San José-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San José to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from San José with our price prediction graph.
SJO-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San José to Seattle
How far ahead should I book a flight from San José to Seattle?
The price you pay for your flight from San José to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 12 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San José to Seattle?
Currently, October is the cheapest month in which you can book a flight from San José to Seattle (average of $492). Flying from San José to Seattle in June is currently the most expensive (average of $701). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from San José to Seattle?
Airfare is below average for this route at the moment.
San José to Seattle flights typically cost between $585 and $757 in September.The cheapest round-trip price found within the last 5 days was $550 on Multiple Airlines (Sep 10-Sep 15).
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated July 23, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andUnited Airlines from San José to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from San José to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Renton
Lacey
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Issaquah
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San José and Seattle flights
Browse other San José and Seattle flight options. Last updated on July 23, 2026.
Other flights from San José
Browse through other flights departing from San José. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Top 4 airlines flying from San José to Seattle
Discover the top 4 airlines that operate flights from San José to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$368 | Average$646 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$440 | Average$688 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$452 | Average$627 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$464 | Average$663 | FlexibilityNo cancel fee | On-time75% |