$219+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJO
Jul 28 — Aug 41
Round-trip
1 adult, Economy
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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 28, 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 28, 2026.
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Wed 9/235:34 pm
SEA
- SJO
1 stop19h 23m
American Airlines
Thu 10/11:00 pm
SJO
- SEA
1 stop11h 58m
American Airlines
Deal found 6/24![American Airlines logo]()
$480
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Wed 10/212:05 pm
SEA
- SJO
1 stop22h 53m
American Airlines
Fri 10/3012:57 pm
SJO
- SEA
1 stop10h 23m
American Airlines
Deal found 6/24![American Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Wed 10/1411:30 pm
SEA
- SJO
1 stop13h 28m
American Airlines
Sun 10/252:45 pm
SJO
- SEA
2 stops21h 23m
American Airlines
Deal found 6/25![American Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Tue 9/18:21 pm
SEA
- SJO
1 stop14h 42m
American Airlines
Mon 9/141:00 pm
SJO
- SEA
1 stop26h 52m
American Airlines
Deal found 6/26![American Airlines logo]()
$492
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 9/1511:57 pm
SEA
- SJO
2 stops19h 10m
American Airlines
Sat 9/261:00 pm
SJO
- SEA
1 stop21h 25m
American Airlines
Deal found 6/28![American Airlines logo]()
$496
This Booking.com deal was found by Cheapflights users on 6/26. 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.
Fri 10/26:51 pm
SEA
- SJO
2 stops47h 39m
Alaska Airlines
Mon 10/57:00 am
SJO
- SEA
2 stops16h 25m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$499
This American Airlines deal was found by Cheapflights users on 6/26. 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 8/275:31 pm
SEA
- SJO
1 stop19h 21m
American Airlines
Mon 9/76:00 am
SJO
- SEA
1 stop19h 20m
American Airlines
Deal found 6/26![American Airlines logo]()
$505
This Southwest deal was found by Cheapflights users on 6/27. 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 9/156:40 am
SEA
- SJO
2 stops11h 00m
Southwest
Sat 9/269:30 am
SJO
- SEA
2 stops14h 25m
Southwest
Deal found 6/27![Southwest logo]()
$517
This Southwest deal was found by Cheapflights users on 6/24. 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 9/228:55 am
SEA
- SJO
1 stop8h 45m
Southwest
Tue 9/299:00 am
SJO
- SEA
2 stops15h 35m
Southwest
Deal found 6/24![Southwest logo]()
$522
This Avianca deal was found by Cheapflights users on 6/25. 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 8/610:03 am
SEA
- SJO
2 stops12h 12m
Multiple Airlines
Tue 8/185:45 am
SJO
- SEA
2 stops13h 25m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$525
This Avianca deal was found by Cheapflights users on 6/24. 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 10/2110:05 am
SEA
- SJO
2 stops12h 10m
Multiple Airlines
Fri 10/305:45 am
SJO
- SEA
2 stops16h 08m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$526
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 28, 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 28, 2026.
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Mon 8/177:35 pm
SEA
- SJO
2 stops15h 46m
United Airlines
Mon 8/248:45 am
SJO
- SEA
1 stop10h 44m
United Airlines
Deal found 6/26![United Airlines logo]()
$558
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 11/24:20 pm
SEA
- SJO
1 stop28h 48m
Alaska Airlines
Tue 11/31:43 am
SJO
- SEA
1 stop12h 57m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$683
This Delta deal was found by Cheapflights users on 6/24. 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.
Fri 8/213:50 pm
SEA
- SJO
1 stop18h 59m
Delta
Tue 8/251:14 pm
SJO
- SEA
1 stop11h 43m
Delta
Deal found 6/24![Delta logo]()
$780
This United Airlines deal was found by Cheapflights users on 6/27. 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 9/25:00 am
SEA
- SJO
2 stops13h 37m
United Airlines
Sat 9/128:45 am
SJO
- SEA
1 stop12h 58m
United Airlines
Deal found 6/27![United Airlines logo]()
$609
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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.
Wed 8/1210:03 am
SEA
- SJO
1 stop12h 43m
Alaska Airlines
Fri 8/141:06 am
SJO
- SEA
1 stop15h 27m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 6/25. 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 9/193:30 pm
SEA
- SJO
2 stops19h 51m
United Airlines
Sat 9/267:55 am
SJO
- SEA
3 stops16h 31m
United Airlines
Deal found 6/25![United Airlines logo]()
$683
This Delta deal was found by Cheapflights users on 6/24. 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.
Thu 8/203:50 pm
SEA
- SJO
1 stop18h 59m
Delta
Tue 8/251:14 pm
SJO
- SEA
1 stop11h 43m
Delta
Deal found 6/24![Delta logo]()
$780
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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.
Sat 8/85:59 pm
SEA
- SJO
2 stops28h 47m
Alaska Airlines
Thu 8/131:06 am
SJO
- SEA
1 stop12h 42m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 6/27. 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 9/297:11 am
SEA
- SJO
1 stop11h 26m
United Airlines
Wed 10/147:55 am
SJO
- SEA
2 stops16h 31m
United Airlines
Deal found 6/27![United Airlines logo]()
$693
This United Airlines deal was found by Cheapflights users on 6/27. 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 7/236:00 am
SEA
- SJO
2 stops27h 11m
United Airlines
Mon 7/2712:30 am
SJO
- SEA
3 stops23h 40m
United Airlines
Deal found 6/27![United Airlines logo]()
$693
This United Airlines deal was found by Cheapflights users on 6/28. 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 8/18:45 am
SEA
- SJO
2 stops19h 45m
United Airlines
Sat 8/86:00 am
SJO
- SEA
1 stop14h 38m
United Airlines
Deal found 6/28![United Airlines logo]()
$693
This United Airlines deal was found by Cheapflights users on 6/27. 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 7/213:33 pm
SEA
- SJO
1 stop14h 42m
United Airlines
Tue 7/2812:30 am
SJO
- SEA
2 stops19h 33m
United Airlines
Deal found 6/27![United Airlines logo]()
$781
Last-minute flights from Seattle to San JoséDiscover last-minute flight deals from Seattle to San José. Data last updated June 28, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to San José. Data last updated June 28, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/27. 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 6/277:05 pm
SEA
- SJO
1 stop11h 10m
United Airlines
Sun 7/1211:13 am
SJO
- SEA
1 stop11h 05m
United Airlines
Deal found 6/27![United Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 6/27. 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 6/277:05 pm
SEA
- SJO
1 stop11h 10m
United Airlines
Tue 6/308:45 am
SJO
- SEA
1 stop11h 02m
United Airlines
Deal found 6/27![United Airlines logo]()
$580
This Justfly.com deal was found by Cheapflights users on 6/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:18 pm
SEA
- SJO
2 stops24h 57m
Multiple Airlines
Sat 7/115:45 am
SJO
- SEA
2 stops18h 13m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$574
This oojo deal was found by Cheapflights users on 6/25. 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 7/76:03 am
SEA
- SJO
2 stops16h 37m
Multiple Airlines
Fri 7/249:40 am
SJO
- SEA
2 stops24h 07m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$575
This oojo deal was found by Cheapflights users on 6/24. 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.
Mon 7/207:26 am
SEA
- SJO
2 stops15h 14m
Multiple Airlines
Tue 7/283:10 pm
SJO
- SEA
2 stops19h 39m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$558
This Priceline deal was found by Cheapflights users on 6/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/209:18 pm
SEA
- SJO
2 stops24h 57m
Multiple Airlines
Wed 7/291:06 am
SJO
- SEA
1 stop20h 50m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$568
This oojo deal was found by Cheapflights users on 6/27. 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 7/228:25 pm
SEA
- SJO
2 stops25h 50m
Multiple Airlines
Sun 7/267:45 am
SJO
- SEA
1 stop15h 15m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$570
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 7/2212:35 pm
SEA
- SJO
2 stops34h 08m
Multiple Airlines
Wed 7/291:06 am
SJO
- SEA
1 stop16h 39m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$583
This oojo deal was found by Cheapflights users on 6/24. 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.
Fri 7/2412:38 pm
SEA
- SJO
2 stops33h 37m
Multiple Airlines
Fri 7/319:40 am
SJO
- SEA
2 stops24h 07m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$551
This FlightHub deal was found by Cheapflights users on 6/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:03 am
SEA
- SJO
2 stops16h 12m
Multiple Airlines
Tue 8/45:45 am
SJO
- SEA
2 stops18h 13m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$581
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 28, 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 28, 2026.
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Wed 9/165:34 pm
SEA
- SJO
1 stop19h 23m
American Airlines
Deal found 6/24![American Airlines logo]()
$219
This American Airlines deal was found by Cheapflights users on 6/27. 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 10/125:31 pm
SEA
- SJO
1 stop19h 27m
American Airlines
Deal found 6/27![American Airlines logo]()
$222
This Travelocity deal was found by Cheapflights users on 6/26. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:29 pm
SEA
- SJO
2 stops24h 17m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$224
This eDestinos deal was found by Cheapflights users on 6/25. 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.
Thu 7/236:03 am
SEA
- SJO
1 stop16h 12m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$244
This eDestinos deal was found by Cheapflights users on 6/27. 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.
Mon 8/312:38 pm
SEA
- SJO
1 stop33h 37m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 6/27. 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 9/287:25 pm
SEA
- SJO
2 stops16h 20m
Southwest
Deal found 6/27![Southwest logo]()
$250
This Southwest deal was found by Cheapflights users on 6/24. 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 9/158:55 am
SEA
- SJO
1 stop8h 45m
Southwest
Deal found 6/24![Southwest logo]()
$255
This Avianca deal was found by Cheapflights users on 6/27. 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 10/1210:05 am
SEA
- SJO
2 stops12h 10m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$256
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Mon 9/287:11 am
SEA
- SJO
1 stop11h 26m
United Airlines
Deal found 6/27![United Airlines logo]()
$258
This Avianca deal was found by Cheapflights users on 6/24. 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 9/169:57 am
SEA
- SJO
2 stops12h 18m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$260
This oojo deal was found by Cheapflights users on 6/25. 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.
Sun 9/207:10 pm
SEA
- SJO
2 stops15h 20m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$263
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 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $480 (American Airlines) |
One-way from | $219 (American Airlines) |
Popular in | April |
Cheapest in | October |
Average price | $766 |
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 28, 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
Quickest round-trip
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Mon 8/17
7:35 pm-12:21 pm
2 stops15h 46m
San José Juan Santamaria Intl
Mon 8/24
8:45 am-6:29 pm
1 stop10h 44m
$558
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Wed 9/2
5:00 am-7:37 pm
2 stops13h 37m
San José Juan Santamaria Intl
Sat 9/12
8:45 am-8:43 pm
1 stop12h 58m
$609
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Mon 11/2
4:20 pm-11:08 pm
1 stop28h 48m
San José Juan Santamaria Intl
Tue 11/3
1:43 am-12:40 pm
1 stop12h 57m
$683
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Sat 9/19
3:30 pm-12:21 pm
2 stops19h 51m
San José Juan Santamaria Intl
Sat 9/26
7:55 am-11:26 pm
3 stops16h 31m
$683
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Tue 9/29
7:11 am-7:37 pm
1 stop11h 26m
San José Juan Santamaria Intl
Wed 10/14
7:55 am-11:26 pm
2 stops16h 31m
$693
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Thu 7/23
6:00 am-10:11 am
2 stops27h 11m
San José Juan Santamaria Intl
Mon 7/27
12:30 am-11:10 pm
3 stops23h 40m
$693
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Sat 8/1
8:45 am-5:30 am
2 stops19h 45m
San José Juan Santamaria Intl
Sat 8/8
6:00 am-7:38 pm
1 stop14h 38m
$693
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Wed 8/12
10:03 am-11:46 pm
1 stop12h 43m
San José Juan Santamaria Intl
Fri 8/14
1:06 am-3:33 pm
1 stop15h 27m
$739
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Sat 8/8
5:59 pm-11:46 pm
2 stops28h 47m
San José Juan Santamaria Intl
Thu 8/13
1:06 am-12:48 pm
1 stop12h 42m
$751
SeattleSan José
SEA - SJO
SEASJO
Seattle/Tacoma Intl
Fri 8/21
3:50 pm-11:49 am
1 stop18h 59m
San José Juan Santamaria Intl
Tue 8/25
1:14 pm-11:57 pm
1 stop11h 43m
$780
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 15 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 $493). Flying from Seattle to San José in April is currently the most expensive (average of $780). 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 28, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, 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
7.8
Overall
7.9
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Overall
7.9
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Overall
7.9
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Overall
7.9
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Overall
7.9
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Comfort
7.8
Overall
7.9
Food
7.0
Entertainment
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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
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 28, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on June 28, 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 28, 2026.
Top 6 airlines flying from Seattle to San José
Discover the top 6 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 28, 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$384 | Average$616 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$386 | Average$609 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$393 | Average$657 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$516 | Average$703 | FlexibilityNo cancel fee | On-time63% |