$204+ Cheap flights from Seattle (SEA) to San José (SJO)
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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJO
Jul 3 — Jul 101
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to San José with Cheapflights
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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
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Cheapest flights from Seattle to San JoséExplore the most affordable flight options available from Seattle to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 3, 2026.
Explore the most affordable flight options available from Seattle to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 3, 2026.
This Southwest deal was found by Cheapflights users on 6/1. 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.
Mon 10/55:00 pm
SEA
- SJO
2 stops12h 00m
Southwest
Wed 10/141:00 pm
SJO
- SEA
2 stops11h 45m
Southwest
Deal found 6/1![Southwest logo]()
$502
This Southwest deal was found by Cheapflights users on 5/31. 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.
Mon 8/247:25 pm
SEA
- SJO
2 stops16h 20m
Southwest
Sun 8/309:00 am
SJO
- SEA
2 stops16h 50m
Southwest
Deal found 5/31![Southwest logo]()
$506
This Southwest deal was found by Cheapflights users on 6/1. 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.
Tue 8/1111:05 pm
SEA
- SJO
2 stops12h 40m
Southwest
Tue 8/259:00 am
SJO
- SEA
2 stops15h 35m
Southwest
Deal found 6/1![Southwest logo]()
$526
This Southwest deal was found by Cheapflights users on 5/31. 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.
Tue 8/258:55 am
SEA
- SJO
1 stop8h 45m
Southwest
Thu 9/109:00 am
SJO
- SEA
2 stops14h 55m
Southwest
Deal found 5/31![Southwest logo]()
$549
This Southwest deal was found by Cheapflights users on 5/31. 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.
Fri 10/162:15 pm
SEA
- SJO
1 stop14h 45m
Southwest
Thu 10/221:30 pm
SJO
- SEA
2 stops13h 05m
Southwest
Deal found 5/31![Southwest logo]()
$553
This Faresmojo deal was found by Cheapflights users on 5/30. 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.
Thu 6/43:33 pm
SEA
- SJO
2 stops14h 36m
Multiple Airlines
Wed 6/104:10 am
SJO
- SEA
2 stops16h 08m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$555
This Southwest deal was found by Cheapflights users on 5/31. 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.
Sat 8/225:00 am
SEA
- SJO
2 stops12h 00m
Southwest
Sat 8/299:30 am
SJO
- SEA
2 stops14h 25m
Southwest
Deal found 5/31![Southwest logo]()
$557
This Avianca deal was found by Cheapflights users on 5/30. 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 11/97:00 am
SEA
- SJO
2 stops14h 15m
Multiple Airlines
Wed 11/187:45 am
SJO
- SEA
1 stop16h 09m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$563
This oojo deal was found by Cheapflights users on 5/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:00 am
SEA
- SJO
1 stop30h 05m
Multiple Airlines
Thu 10/17:45 am
SJO
- SEA
1 stop15h 09m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$569
This oojo deal was found by Cheapflights users on 6/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:49 am
SEA
- SJO
2 stops15h 26m
Multiple Airlines
Sun 9/67:45 am
SJO
- SEA
1 stop15h 15m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$570
This Avianca deal was found by Cheapflights users on 6/2. 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 10/1510:05 am
SEA
- SJO
2 stops12h 10m
Multiple Airlines
Sun 10/257:45 am
SJO
- SEA
1 stop15h 09m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$572
Best flights from Seattle to San JoséDiscover carefully curated flight deals from Seattle to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 3, 2026.
Discover carefully curated flight deals from Seattle to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 3, 2026.
This Southwest deal was found by Cheapflights users on 6/1. 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.
Mon 10/55:00 pm
SEA
- SJO
2 stops12h 00m
Southwest
Wed 10/141:00 pm
SJO
- SEA
2 stops11h 45m
Southwest
Deal found 6/1![Southwest logo]()
$502
This United Airlines deal was found by Cheapflights users on 5/29. 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 7/37:05 am
SEA
- SJO
1 stop11h 32m
United Airlines
Thu 7/911:13 am
SJO
- SEA
1 stop11h 05m
United Airlines
Deal found 5/29![United Airlines logo]()
$718
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 10/139:59 pm
SEA
- SJO
2 stops44h 31m
Alaska Airlines
Sat 10/177:00 am
SJO
- SEA
1 stop15h 57m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$723
This Copa Airlines deal was found by Cheapflights users on 6/1. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:06 am
SEA
- SJO
2 stops25h 15m
Copa Airlines
Thu 6/255:57 pm
SJO
- SEA
2 stops29h 02m
Copa Airlines
Deal found 6/1![Copa Airlines logo]()
$751
This Southwest deal was found by Cheapflights users on 5/31. 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.
Sun 9/2011:05 pm
SEA
- SJO
2 stops18h 35m
Southwest
Sat 9/269:30 am
SJO
- SEA
2 stops14h 25m
Southwest
Deal found 5/31![Southwest logo]()
$506
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/37:05 am
SEA
- SJO
1 stop11h 32m
United Airlines
Tue 7/77:55 am
SJO
- SEA
1 stop12h 17m
United Airlines
Deal found 6/2![United Airlines logo]()
$718
This Southwest deal was found by Cheapflights users on 6/2. 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.
Fri 7/37:20 pm
SEA
- SJO
2 stops14h 55m
Southwest
Thu 7/91:40 pm
SJO
- SEA
2 stops13h 05m
Southwest
Deal found 6/2![Southwest logo]()
$710
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Wed 6/175:20 pm
SEA
- SJO
1 stop12h 55m
United Airlines
Thu 6/2511:13 am
SJO
- SEA
1 stop11h 05m
United Airlines
Deal found 6/2![United Airlines logo]()
$738
This Southwest deal was found by Cheapflights users on 5/29. 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.
Wed 7/226:15 am
SEA
- SJO
2 stops12h 25m
Southwest
Tue 7/281:40 pm
SJO
- SEA
2 stops12h 05m
Southwest
Deal found 5/29![Southwest logo]()
$718
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/211:49 pm
SEA
- SJO
1 stop9h 22m
United Airlines
Wed 7/811:13 am
SJO
- SEA
2 stops12h 57m
United Airlines
Deal found 6/2![United Airlines logo]()
$743
This Southwest deal was found by Cheapflights users on 6/2. 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.
Sat 7/257:50 pm
SEA
- SJO
2 stops21h 50m
Southwest
Sat 8/112:15 pm
SJO
- SEA
2 stops13h 00m
Southwest
Deal found 6/2![Southwest logo]()
$735
This United Airlines deal was found by Cheapflights users on 5/31. 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 7/2611:52 pm
SEA
- SJO
1 stop9h 19m
United Airlines
Wed 7/2912:30 am
SJO
- SEA
1 stop11h 17m
United Airlines
Deal found 5/31![United Airlines logo]()
$751
Last-minute flights from Seattle to San JoséDiscover last-minute flight deals from Seattle to San José. Data last updated June 3, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to San José. Data last updated June 3, 2026 and is based on user searches.
This Avianca deal was found by Cheapflights users on 6/1. 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 6/31:50 pm
SEA
- SJO
2 stops17h 40m
Multiple Airlines
Fri 6/57:45 am
SJO
- SEA
1 stop15h 04m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$615
This Southwest deal was found by Cheapflights users on 6/1. 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.
Wed 6/311:45 pm
SEA
- SJO
2 stops18h 55m
Southwest
Fri 6/58:45 am
SJO
- SEA
2 stops14h 05m
Southwest
Deal found 6/1![Southwest logo]()
$617
This Faresmojo deal was found by Cheapflights users on 5/30. 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.
Thu 6/43:33 pm
SEA
- SJO
2 stops14h 36m
Multiple Airlines
Wed 6/104:10 am
SJO
- SEA
2 stops16h 08m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$555
This Avianca deal was found by Cheapflights users on 6/1. 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 6/51:50 pm
SEA
- SJO
2 stops17h 40m
Multiple Airlines
Mon 6/157:45 am
SJO
- SEA
1 stop15h 15m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$622
This Air Canada deal was found by Cheapflights users on 6/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:20 pm
SEA
- SJO
2 stops48h 15m
Air Canada
Mon 6/157:15 am
SJO
- SEA
2 stops38h 53m
Air Canada
Deal found 6/1![Air Canada logo]()
$627
This Mytrip deal was found by Cheapflights users on 6/1. 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 7/212:35 pm
SEA
- SJO
3 stops19h 15m
Multiple Airlines
Sun 7/124:15 pm
SJO
- SEA
1 stop19h 50m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$624
This oojo deal was found by Cheapflights users on 6/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:10 pm
SEA
- SJO
2 stops14h 35m
Multiple Airlines
Mon 8/317:45 am
SJO
- SEA
1 stop15h 15m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$593
This oojo deal was found by Cheapflights users on 6/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:03 am
SEA
- SJO
2 stops12h 37m
Multiple Airlines
Sun 8/307:45 am
SJO
- SEA
1 stop15h 15m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$616
This oojo deal was found by Cheapflights users on 6/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:59 pm
SEA
- SJO
2 stops30h 16m
Multiple Airlines
Tue 9/17:45 am
SJO
- SEA
1 stop15h 15m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$590
This Southwest deal was found by Cheapflights users on 6/2. 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.
Wed 7/296:15 am
SEA
- SJO
2 stops12h 25m
Southwest
Tue 9/19:00 am
SJO
- SEA
2 stops15h 35m
Southwest
Deal found 6/2![Southwest logo]()
$612
This oojo deal was found by Cheapflights users on 6/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:10 pm
SEA
- SJO
2 stops28h 05m
Multiple Airlines
Fri 8/287:45 am
SJO
- SEA
1 stop15h 15m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$613
This Southwest deal was found by Cheapflights users on 6/2. 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.
Wed 7/295:00 am
SEA
- SJO
2 stops13h 40m
Southwest
Fri 8/289:00 am
SJO
- SEA
2 stops12h 45m
Southwest
Deal found 6/2![Southwest logo]()
$636
One-way flights from Seattle to San JoséSearch for one-way flight options from Seattle to San José. Find affordable one-way fares based on user searches. Data last updated June 3, 2026.
Search for one-way flight options from Seattle to San José. Find affordable one-way fares based on user searches. Data last updated June 3, 2026.
This Southwest deal was found by Cheapflights users on 5/31. 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.
Thu 8/276:15 pm
SEA
- SJO
2 stops17h 30m
Southwest
Deal found 5/31![Southwest logo]()
$204
This Southwest deal was found by Cheapflights users on 6/2. 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.
Wed 8/1910:30 pm
SEA
- SJO
2 stops13h 15m
Southwest
Deal found 6/2![Southwest logo]()
$250
This Southwest deal was found by Cheapflights users on 5/31. 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.
Sat 8/227:55 am
SEA
- SJO
1 stop9h 05m
Southwest
Deal found 5/31![Southwest logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 8/2712:35 pm
SEA
- SJO
3 stops35h 40m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$266
This Southwest deal was found by Cheapflights users on 5/31. 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.
Tue 9/811:05 pm
SEA
- SJO
2 stops12h 40m
Southwest
Deal found 5/31![Southwest logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 8/2012:35 pm
SEA
- SJO
3 stops35h 40m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 7/611:00 pm
SEA
- SJO
3 stops23h 40m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 5/31. 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.
Sun 8/2312:35 pm
SEA
- SJO
3 stops35h 40m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 5/31. 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.
Wed 7/2211:00 pm
SEA
- SJO
2 stops39h 55m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$288
This American Airlines deal was found by Cheapflights users on 5/30. 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.
Sun 9/205:34 pm
SEA
- SJO
1 stop19h 23m
American Airlines
Deal found 5/30![American Airlines logo]()
$290
This Avianca deal was found by Cheapflights users on 6/1. 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 6/1110:03 am
SEA
- SJO
2 stops12h 12m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$293
This Avianca deal was found by Cheapflights users on 6/2. 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.
Sun 9/209:27 am
SEA
- SJO
2 stops22h 03m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$295
Find flight deals from Seattle to San José
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to San José (SJO). 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 June 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $502 (Southwest) |
One-way from | $204 (Southwest) |
Popular in | April |
Cheapest in | October |
Average price | $698 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to San José 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 June 3, 2026.
Use the filters below to find and compare flights from Seattle to San José that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Mon 10/5
5:00 pm-6:00 am
2 stops12h 00m
San José Juan Santamaria Intl
Wed 10/14
1:00 pm-11:45 pm
2 stops11h 45m
$502
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Sun 9/20
11:05 pm-6:40 pm
2 stops18h 35m
San José Juan Santamaria Intl
Sat 9/26
9:30 am-10:55 pm
2 stops14h 25m
$506
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Fri 7/3
7:20 pm-11:15 am
2 stops14h 55m
San José Juan Santamaria Intl
Thu 7/9
1:40 pm-1:45 am
2 stops13h 05m
$710
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Fri 7/3
7:05 am-7:37 pm
1 stop11h 32m
San José Juan Santamaria Intl
Thu 7/9
11:13 am-9:18 pm
1 stop11h 05m
$718
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Fri 7/3
7:05 am-7:37 pm
1 stop11h 32m
San José Juan Santamaria Intl
Tue 7/7
7:55 am-7:12 pm
1 stop12h 17m
$718
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Wed 7/22
6:15 am-7:40 pm
2 stops12h 25m
San José Juan Santamaria Intl
Tue 7/28
1:40 pm-12:45 am
2 stops12h 05m
$718
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Tue 10/13
9:59 pm-7:30 pm
2 stops44h 31m
San José Juan Santamaria Intl
Sat 10/17
7:00 am-9:57 pm
1 stop15h 57m
$723
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Sat 7/25
7:50 pm-6:40 pm
2 stops21h 50m
San José Juan Santamaria Intl
Sat 8/1
12:15 pm-12:15 am
2 stops13h 00m
$735
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Wed 6/17
5:20 pm-7:15 am
1 stop12h 55m
San José Juan Santamaria Intl
Thu 6/25
11:13 am-9:18 pm
1 stop11h 05m
$738
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Thu 7/2
11:49 pm-10:11 am
1 stop9h 22m
San José Juan Santamaria Intl
Wed 7/8
11:13 am-11:10 pm
2 stops12h 57m
$743
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Seattle to San José
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 Seattle to San José 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 | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Seattle-San José flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-San José flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-San José flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-San José 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 Seattle-San José 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 Seattle to San José
Have a flexible travel schedule? Discover the best time to fly to San José from Seattle with our price prediction graph.
SEA-SJO
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 Seattle to San José
How far ahead should I book a flight from Seattle to San José?
The price you pay for your flight from Seattle to San José may vary depending on when you book. For the best chance of a lower fare, look to book 81 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 Seattle to San José?
Currently, October is the cheapest month in which you can book a flight from Seattle to San José (average of $495). Flying from Seattle to San José in April is currently the most expensive (average of $787). 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 Seattle to San José?
Reviews of airlines servicing San José
Get insights into the airlines that provide service to San José. 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 San José. Reviews last updated June 3, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Seattle to San José have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Seattle to San José. 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 San José?
Book flights to San José if you plan to visit one of these locationsAlajuela
Monteverde
Jacó
Heredia
Dominical
Manuel Antonio
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Seattle and San José flights
Browse other Seattle and San José flight options. Last updated on June 3, 2026.
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Other flights to San José
Explore flights to San José departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 3, 2026.
Top 7 airlines flying from Seattle to San José
Discover the top 7 airlines that operate flights from Seattle to San José. 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 June 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$345 | Average$751 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$362 | Average$681 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$385 | Average$609 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$386 | Average$614 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$393 | Average$617 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$516 | Average$703 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$766 | Average$971 | FlexibilityNo cancel fee | On-timeN/A |