$253+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SEA
jul. 11 — jul. 181
Round-trip
1 adult, Economy
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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 junio 11, 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 junio 11, 2026.
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1912:55 pm
SJO
- SEA
1 stop13h 00m
Southwest
vie. 10/232:15 pm
SEA
- SJO
1 stop14h 45m
Southwest
Deal found 6/10![Southwest logo]()
$576
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/199:30 am
SJO
- SEA
2 stops14h 25m
Southwest
mar. 10/134:25 pm
SEA
- SJO
2 stops12h 35m
Southwest
Deal found 6/10![Southwest logo]()
$579
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/131:00 pm
SJO
- SEA
2 stops11h 45m
Southwest
mar. 10/272:45 pm
SEA
- SJO
2 stops14h 15m
Southwest
Deal found 6/8![Southwest logo]()
$582
This eDestinos deal was found by Cheapflights users on 6/7. 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.
mar. 11/35:45 am
SJO
- SEA
1 stop16h 20m
Multiple Airlines
mar. 11/106:00 am
SEA
- SJO
1 stop15h 15m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$587
This eDestinos deal was found by Cheapflights users on 6/8. 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.
vie. 10/164:35 pm
SJO
- SEA
1 stop24h 45m
Multiple Airlines
mié. 10/219:25 am
SEA
- SJO
1 stop22h 05m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$590
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/249:00 am
SJO
- SEA
2 stops14h 55m
Southwest
sáb. 10/32:10 pm
SEA
- SJO
1 stop14h 50m
Southwest
Deal found 6/8![Southwest logo]()
$592
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/21:06 am
SJO
- SEA
1 stop19h 05m
Alaska Airlines
dom. 8/910:29 pm
SEA
- SJO
2 stops24h 17m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$593
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 11/181:43 am
SJO
- SEA
1 stop17h 14m
Alaska Airlines
mar. 12/17:55 pm
SEA
- SJO
1 stop26h 02m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$599
This Faresmojo deal was found by Cheapflights users on 6/7. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/274:10 am
SJO
- SEA
2 stops16h 28m
Multiple Airlines
lun. 6/295:04 pm
SEA
- SJO
2 stops14h 17m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$601
This Faresmojo deal was found by Cheapflights users on 6/8. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/151:19 pm
SJO
- SEA
1 stop11h 40m
JetBlue
mar. 6/239:45 pm
SEA
- SJO
1 stop13h 09m
JetBlue
Deal found 6/8![JetBlue logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
lun. 9/282:15 am
SJO
- SEA
2 stops32h 45m
Multiple Airlines
dom. 10/258:15 am
SEA
- SJO
1 stop10h 15m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$610
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 junio 11, 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 junio 11, 2026.
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/99:00 am
SJO
- SEA
2 stops15h 35m
Southwest
mié. 9/1610:30 pm
SEA
- SJO
2 stops13h 15m
Southwest
Deal found 6/9![Southwest logo]()
$582
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/301:25 pm
SJO
- SEA
1 stop11h 34m
Delta
dom. 10/411:59 pm
SEA
- SJO
1 stop10h 55m
Delta
Deal found 6/10![Delta logo]()
$653
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
dom. 11/221:45 am
SJO
- SEA
2 stops20h 55m
Alaska Airlines
lun. 12/78:00 am
SEA
- SJO
2 stops13h 57m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$655
This United Airlines deal was found by Cheapflights users on 6/11. 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.
mar. 7/2812:30 am
SJO
- SEA
2 stops15h 00m
United Airlines
mié. 8/121:16 pm
SEA
- SJO
1 stop16h 59m
United Airlines
Deal found 6/11![United Airlines logo]()
$662
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/249:00 am
SJO
- SEA
2 stops14h 55m
Southwest
sáb. 10/32:10 pm
SEA
- SJO
1 stop14h 50m
Southwest
Deal found 6/8![Southwest logo]()
$592
This United Airlines deal was found by Cheapflights users on 6/10. 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.
vie. 10/28:45 am
SJO
- SEA
1 stop17h 30m
United Airlines
mar. 10/65:05 pm
SEA
- SJO
1 stop18h 16m
United Airlines
Deal found 6/10![United Airlines logo]()
$662
This United Airlines deal was found by Cheapflights users on 6/7. 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.
mié. 9/97:55 am
SJO
- SEA
1 stop14h 41m
United Airlines
dom. 9/206:52 pm
SEA
- SJO
2 stops23h 45m
United Airlines
Deal found 6/7![United Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 6/9. 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.
jue. 7/168:45 am
SJO
- SEA
1 stop25h 37m
United Airlines
mar. 7/287:00 am
SEA
- SJO
1 stop23h 15m
United Airlines
Deal found 6/9![United Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 6/9. 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.
mié. 9/307:55 am
SJO
- SEA
2 stops14h 06m
United Airlines
mié. 10/73:29 pm
SEA
- SJO
1 stop14h 46m
United Airlines
Deal found 6/9![United Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 6/7. 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.
mié. 7/158:45 am
SJO
- SEA
1 stop11h 02m
United Airlines
dom. 7/195:15 am
SEA
- SJO
1 stop25h 00m
United Airlines
Deal found 6/7![United Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 6/9. 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.
mié. 9/237:55 am
SJO
- SEA
1 stop14h 41m
United Airlines
mié. 9/303:29 pm
SEA
- SJO
1 stop14h 46m
United Airlines
Deal found 6/9![United Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 6/6. 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.
vie. 7/38:45 am
SJO
- SEA
1 stop15h 39m
United Airlines
mar. 7/145:00 am
SEA
- SJO
1 stop13h 37m
United Airlines
Deal found 6/6![United Airlines logo]()
$673
Last-minute flights from San José to SeattleDiscover last-minute flight deals from San José to Seattle. Data last updated junio 11, 2026 and is based on user searches.
Discover last-minute flight deals from San José to Seattle. Data last updated junio 11, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/128:45 am
SJO
- SEA
2 stops16h 45m
Southwest
mié. 6/176:15 am
SEA
- SJO
2 stops12h 25m
Southwest
Deal found 6/10![Southwest logo]()
$645
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/138:45 am
SJO
- SEA
1 stop16h 25m
Southwest
mié. 6/178:50 am
SEA
- SJO
1 stop9h 50m
Southwest
Deal found 6/10![Southwest logo]()
$616
This Faresmojo deal was found by Cheapflights users on 6/8. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/151:19 pm
SJO
- SEA
1 stop11h 40m
JetBlue
mar. 6/239:45 pm
SEA
- SJO
1 stop13h 09m
JetBlue
Deal found 6/8![JetBlue logo]()
$602
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/171:06 am
SJO
- SEA
1 stop32h 41m
Alaska Airlines
mar. 6/2312:38 pm
SEA
- SJO
1 stop10h 08m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$659
This Faresmojo deal was found by Cheapflights users on 6/7. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/274:10 am
SJO
- SEA
2 stops16h 28m
Multiple Airlines
lun. 6/295:04 pm
SEA
- SJO
2 stops14h 17m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$601
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/141:40 pm
SJO
- SEA
2 stops12h 05m
Southwest
mar. 7/2811:05 pm
SEA
- SJO
2 stops19h 35m
Southwest
Deal found 6/9![Southwest logo]()
$661
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/221:40 pm
SJO
- SEA
2 stops12h 05m
Southwest
sáb. 8/17:50 pm
SEA
- SJO
2 stops21h 50m
Southwest
Deal found 6/10![Southwest logo]()
$643
This United Airlines deal was found by Cheapflights users on 6/9. 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.
mar. 7/288:45 am
SJO
- SEA
1 stop15h 25m
United Airlines
lun. 8/2411:59 pm
SEA
- SJO
1 stop11h 22m
United Airlines
Deal found 6/9![United Airlines logo]()
$653
This Faresmojo deal was found by Cheapflights users on 6/8. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/287:45 am
SJO
- SEA
1 stop15h 15m
Multiple Airlines
mar. 8/1110:03 am
SEA
- SJO
2 stops12h 12m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$657
This United Airlines deal was found by Cheapflights users on 6/11. 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.
mar. 7/2812:30 am
SJO
- SEA
2 stops15h 00m
United Airlines
mié. 8/121:16 pm
SEA
- SJO
1 stop16h 59m
United Airlines
Deal found 6/11![United Airlines logo]()
$662
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/298:45 am
SJO
- SEA
2 stops15h 50m
Southwest
mar. 8/258:55 am
SEA
- SJO
1 stop8h 45m
Southwest
Deal found 6/9![Southwest logo]()
$617
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 junio 11, 2026.
Search for one-way flight options from San José to Seattle. Find affordable one-way fares based on user searches. Data last updated junio 11, 2026.
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/1512:55 pm
SJO
- SEA
1 stop13h 00m
Southwest
Deal found 6/10![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/812:55 pm
SJO
- SEA
2 stops19h 25m
Southwest
Deal found 6/10![Southwest logo]()
$263
This American Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 11/22:39 pm
SJO
- SEA
1 stop21h 06m
American Airlines
Deal found 6/11![American Airlines logo]()
$266
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/912:55 pm
SJO
- SEA
2 stops13h 40m
Southwest
Deal found 6/11![Southwest logo]()
$268
This Southwest deal was found by Cheapflights users on 6/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/61:00 pm
SJO
- SEA
2 stops11h 45m
Southwest
Deal found 6/6![Southwest logo]()
$270
This eDestinos deal was found by Cheapflights users on 6/8. 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.
vie. 10/305:45 am
SJO
- SEA
1 stop16h 08m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 7/2911:41 pm
SJO
- SEA
2 stops22h 24m
American Airlines
Deal found 6/10![American Airlines logo]()
$338
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 junio 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $576 (Southwest) |
One-way from | $253 (Southwest) |
Popular in | June |
Cheapest in | October |
Average price | $684 |
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 junio 11, 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
mié. 9/9
9:00 am-11:35 pm
2 stops15h 35m
Seattle/Tacoma Intl
mié. 9/16
10:30 pm-12:45 pm
2 stops13h 15m
$582
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
jue. 9/24
9:00 am-10:55 pm
2 stops14h 55m
Seattle/Tacoma Intl
sáb. 10/3
2:10 pm-6:00 am
1 stop14h 50m
$592
Quickest round-trip
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
mié. 9/30
1:25 pm-11:59 pm
1 stop11h 34m
Seattle/Tacoma Intl
dom. 10/4
11:59 pm-11:54 am
1 stop10h 55m
$653
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
dom. 11/22
1:45 am-8:40 pm
2 stops20h 55m
Seattle/Tacoma Intl
lun. 12/7
8:00 am-11:57 pm
2 stops13h 57m
$655
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
mar. 7/28
12:30 am-2:30 pm
2 stops15h 00m
Seattle/Tacoma Intl
mié. 8/12
1:16 pm-7:15 am
1 stop16h 59m
$662
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
vie. 10/2
8:45 am-1:15 am
1 stop17h 30m
Seattle/Tacoma Intl
mar. 10/6
5:05 pm-12:21 pm
1 stop18h 16m
$662
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
mié. 9/9
7:55 am-9:36 pm
1 stop14h 41m
Seattle/Tacoma Intl
dom. 9/20
6:52 pm-7:37 pm
2 stops23h 45m
$664
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
jue. 7/16
8:45 am-9:22 am
1 stop25h 37m
Seattle/Tacoma Intl
mar. 7/28
7:00 am-7:15 am
1 stop23h 15m
$664
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
mié. 9/30
7:55 am-9:01 pm
2 stops14h 06m
Seattle/Tacoma Intl
mié. 10/7
3:29 pm-7:15 am
1 stop14h 46m
$664
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
mié. 7/15
8:45 am-6:47 pm
1 stop11h 02m
Seattle/Tacoma Intl
dom. 7/19
5:15 am-7:15 am
1 stop25h 00m
$664
Showing 1-10 of 22 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 June.
| 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 38 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 $448). Flying from San José to Seattle in June is currently the most expensive (average of $684). 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?
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 junio 11, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, 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.
Food
7.0
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.0
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
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
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline
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San José and Seattle flights
Browse other San José and Seattle flight options. Last updated on junio 11, 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 junio 11, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on junio 11, 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 junio 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$376 | Average$637 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$426 | Average$596 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$440 | Average$688 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$460 | Average$602 | FlexibilityNo cancel fee | On-time75% |