$284+ Cheap flights from Seattle (SEA) to San José (SJO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJO
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to San José with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to San José
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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 November 4, 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 November 4, 2026.
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Sat 11/284:39 pm -
1 stop11h 46m
Fri 12/49:40 am -
1 stop10h 48m
Deal found 10/31![United Airlines logo]()
$611
This American Airlines deal was found by Cheapflights users on 11/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:09 am -
1 stop15h 52m
Fri 1/156:00 am -
2 stops14h 57m
Deal found 11/2![American Airlines logo]()
$615
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Fri 11/273:35 pm -
2 stops12h 50m
Fri 12/49:40 am -
1 stop10h 48m
Deal found 10/31![United Airlines logo]()
$620
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:35 pm -
2 stops12h 50m
Thu 11/192:25 pm -
1 stop10h 26m
Deal found 11/1![United Airlines logo]()
$629
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/25:35 pm -
1 stop12h 57m
Mon 12/79:40 am -
1 stop10h 48m
Deal found 11/3![United Airlines logo]()
$631
This Avianca deal was found by Cheapflights users on 10/31. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/299:28 pm -
1 stop14h 47m
Tue 12/157:00 am -
1 stop17h 20m
Deal found 10/31![Multiple Airlines logo]()
$632
This American Airlines deal was found by Cheapflights users on 10/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:34 pm -
2 stops13h 15m
Wed 11/183:54 pm -
2 stops20h 18m
Deal found 10/31![American Airlines logo]()
$633
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:35 pm -
1 stop12h 57m
Fri 12/1812:35 pm -
2 stops12h 41m
Deal found 11/1![United Airlines logo]()
$636
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:35 pm -
1 stop12h 57m
Tue 12/89:40 am -
1 stop10h 48m
Deal found 11/1![United Airlines logo]()
$637
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:45 pm -
1 stop13h 22m
Sat 11/142:46 pm -
1 stop20h 51m
Deal found 11/1![American Airlines logo]()
$640
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 November 4, 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 November 4, 2026.
This United Airlines deal was found by Cheapflights users on 11/3. 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 1/237:00 am -
1 stop9h 16m
Tue 2/29:40 am -
1 stop10h 51m
Deal found 11/3![United Airlines logo]()
$611
This Delta deal was found by Cheapflights users on 11/3. 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.
Wed 2/36:00 am -
1 stop13h 49m
Sat 2/133:55 pm -
1 stop20h 20m
Deal found 11/3![Delta logo]()
$631
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/259:29 pm -
2 stops24h 10m
Thu 1/281:23 am -
2 stops17h 36m
Deal found 11/1![Alaska Airlines logo]()
$633
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/205:57 pm -
2 stops27h 28m
Fri 1/291:23 am -
1 stop11h 35m
Deal found 10/31![Alaska Airlines logo]()
$633
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/27:30 pm -
1 stop11h 02m
Sun 12/66:40 am -
2 stops13h 48m
Deal found 11/4![United Airlines logo]()
$635
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1711:05 pm -
2 stops22h 52m
Sun 2/211:45 am -
2 stops15h 15m
Deal found 10/31![Alaska Airlines logo]()
$695
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/127:10 pm -
2 stops16h 11m
Sat 4/176:00 am -
2 stops19h 33m
Deal found 10/30![United Airlines logo]()
$745
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 2/56:00 am -
1 stop15h 39m
Sun 2/141:45 am -
2 stops14h 11m
Deal found 11/3![Alaska Airlines logo]()
$704
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Wed 2/101:18 pm -
2 stops29h 21m
Mon 2/1512:35 pm -
2 stops27h 55m
Deal found 10/31![United Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Sat 1/162:20 pm -
1 stop21h 02m
Sun 1/241:15 am -
1 stop13h 58m
Deal found 10/31![United Airlines logo]()
$758
This United Airlines deal was found by Cheapflights users on 11/3. 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 2/77:00 am -
1 stop11h 39m
Sat 2/137:30 am -
2 stops17h 45m
Deal found 11/3![United Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 11/4. 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 12/25:35 pm -
1 stop12h 57m
Mon 12/79:40 am -
1 stop10h 48m
Deal found 11/4![United Airlines logo]()
$761
Last-minute flights from Seattle to San JoséDiscover last-minute flight deals from Seattle to San José. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to San José. Data last updated November 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:41 pm -
1 stop20h 05m
Wed 11/183:54 pm -
2 stops19h 43m
Deal found 10/31![American Airlines logo]()
$633
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:35 pm -
2 stops12h 50m
Thu 11/192:25 pm -
1 stop10h 26m
Deal found 11/1![United Airlines logo]()
$629
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Fri 11/273:35 pm -
2 stops12h 50m
Fri 12/49:40 am -
1 stop10h 48m
Deal found 10/31![United Airlines logo]()
$620
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Sat 11/284:39 pm -
1 stop11h 46m
Fri 12/49:40 am -
1 stop10h 48m
Deal found 10/31![United Airlines logo]()
$611
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Sat 11/285:10 am -
1 stop15h 37m
Fri 12/183:08 pm -
1 stop10h 51m
Deal found 11/3![American Airlines logo]()
$640
This Avianca deal was found by Cheapflights users on 10/31. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/299:28 pm -
1 stop14h 47m
Tue 12/157:00 am -
1 stop17h 20m
Deal found 10/31![Multiple Airlines logo]()
$632
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:35 pm -
1 stop12h 57m
Tue 12/89:40 am -
1 stop10h 48m
Deal found 11/1![United Airlines logo]()
$637
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/25:35 pm -
1 stop12h 57m
Mon 12/79:40 am -
1 stop10h 48m
Deal found 11/3![United Airlines logo]()
$631
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:35 pm -
1 stop12h 57m
Fri 12/1812:35 pm -
2 stops12h 41m
Deal found 11/1![United Airlines logo]()
$636
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:55 pm -
1 stop18h 01m
Fri 1/156:00 am -
2 stops14h 57m
Deal found 11/1![American Airlines logo]()
$615
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 November 4, 2026.
Search for one-way flight options from Seattle to San José. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/319:20 am -
1 stop12h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Alaska Airlines logo]()
$284
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/309:59 pm -
2 stops24h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Alaska Airlines logo]()
$289
This Priceline deal was found by Cheapflights users on 11/3. 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.
Sat 11/1410:07 am -
1 stop10h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Alaska Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 11/4. 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 4/1511:44 am -
1 stop18h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![United Airlines logo]()
$294
This Southwest deal was found by Cheapflights users on 11/2. 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.
Sun 3/218:55 pm -
2 stops21h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Southwest logo]()
$298
This Delta deal was found by Cheapflights users on 11/3. 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 11/272:05 pm -
1 stop20h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$304
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/297:20 am -
1 stop10h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![American Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/31:32 pm -
3 stops54h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$315
This BusinessClass deal was found by Cheapflights users on 10/31. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:23 pm -
2 stops16h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![GOL logo]()
$316
This BusinessClass deal was found by Cheapflights users on 11/4. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/295:50 pm -
2 stops18h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![GOL logo]()
$321
This eDestinos deal was found by Cheapflights users on 10/31. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/87:10 am -
1 stop23h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$338
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 November 4, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $600 (Orbitz) |
One-way from | $284 (Alaska Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $659 |
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 7,457,451 searches. Data last updated November 4, 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 Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Sun 2/21
8:05 am-11:57 pm
1 stop13h 52m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$284
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Mon 3/15
11:59 pm-7:39 pm
1 stop18h 40m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$284
Quickest round-trip
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Thu 12/31
9:20 am-12:16 am
1 stop12h 56m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$284
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Sat 12/5
3:28 pm-8:32 am
1 stop15h 04m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$284
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Fri 2/19
9:50 pm-11:57 pm
2 stops24h 07m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$289
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Wed 1/13
5:00 am-8:39 pm
2 stops13h 39m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$316
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Fri 1/8
1:18 pm-1:22 pm
2 stops22h 04m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$344
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Fri 3/12
11:59 pm-8:39 pm
1 stop18h 40m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$349
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Sun 2/14
5:30 pm-1:22 pm
2 stops17h 52m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$359
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Sat 3/13
8:20 am-11:57 pm
2 stops13h 37m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$364
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 November.
| 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 Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Seattle-San José flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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 10 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, January is the cheapest month in which you can book a flight from Seattle to San José (average of $599). Flying from Seattle to San José in March is currently the most expensive (average of $812). 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?
Airfare is typical for this route at the moment.
Seattle to San José flights typically cost between $558 and $779 in February.The cheapest round-trip price found within the last 5 days was $600 on Alaska Airlines (Feb 2-Feb 7).
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 November 4, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited Airlines 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.
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.0
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
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
Heredia
Dominical
Manuel Antonio
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Seattle and San José flights
Browse other Seattle and San José flight options. Last updated on November 4, 2026.
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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 7,457,451 searches. Data last updated November 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$362 | Average$682 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$384 | Average$739 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$392 | Average$750 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$396 | Average$1,053 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$414 | Average$702 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$416 | Average$688 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$506 | Average$703 | FlexibilityNo cancel fee | On-time63% |