$251+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJO
Oct 23 — Oct 301
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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Last-minute
One-way
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 September 23, 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 September 23, 2026.
This Southwest deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:55 pm -
2 stops20h 45m
Fri 10/301:30 pm -
2 stops21h 55m
Deal found 9/18![Southwest logo]()
$539
This eDestinos deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:05 am -
1 stop23h 30m
Fri 12/114:15 pm -
1 stop20h 22m
Deal found 9/20![Multiple Airlines logo]()
$568
This Avianca deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:27 am -
2 stops22h 03m
Sun 10/44:35 pm -
2 stops19h 00m
Deal found 9/19![Multiple Airlines logo]()
$571
This Avianca deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:02 pm -
2 stops17h 28m
Thu 10/227:45 am -
1 stop15h 14m
Deal found 9/19![Multiple Airlines logo]()
$580
This Trip.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:43 pm -
2 stops15h 52m
Wed 12/164:15 pm -
2 stops20h 25m
Deal found 9/18![Multiple Airlines logo]()
$587
This Southwest deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:25 pm -
2 stops12h 55m
Tue 11/242:10 pm -
2 stops13h 35m
Deal found 9/21![Southwest logo]()
$589
This eDestinos deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:15 pm -
1 stop32h 15m
Sat 10/37:45 am -
1 stop15h 14m
Deal found 9/18![Multiple Airlines logo]()
$593
This FlightHub deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:05 am -
2 stops22h 30m
Mon 12/147:00 am -
1 stop17h 20m
Deal found 9/19![Multiple Airlines logo]()
$594
This Southwest deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:15 am -
2 stops12h 25m
Mon 11/22:10 pm -
2 stops13h 05m
Deal found 9/21![Southwest logo]()
$598
This deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:35 pm -
1 stop12h 25m
Wed 11/112:37 pm -
1 stop11h 20m
Deal found 9/18![Delta logo]()
$600
This Justfly.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:28 am -
2 stops22h 02m
Sun 10/254:15 pm -
2 stops19h 20m
Deal found 9/18![Multiple Airlines logo]()
$603
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 September 23, 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 September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/53:30 pm -
1 stop15h 02m
Wed 5/58:45 am -
1 stop10h 22m
Deal found 9/22![United Airlines logo]()
$600
This Southwest deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:15 am -
2 stops12h 25m
Fri 10/231:30 pm -
2 stops12h 30m
Deal found 9/20![Southwest logo]()
$610
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/711:59 pm -
1 stop9h 26m
Sun 11/156:40 am -
1 stop14h 57m
Deal found 9/21![United Airlines logo]()
$651
This Southwest deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/71:40 pm -
2 stops21h 10m
Fri 5/71:10 pm -
2 stops13h 05m
Deal found 9/22![Southwest logo]()
$684
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/77:03 am -
1 stop9h 13m
Sat 5/16:00 am -
2 stops13h 07m
Deal found 9/22![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/57:32 pm -
1 stop11h 00m
Sat 5/16:00 am -
2 stops13h 07m
Deal found 9/22![United Airlines logo]()
$660
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:16 pm -
1 stop17h 16m
Wed 11/119:40 am -
1 stop13h 07m
Deal found 9/20![United Airlines logo]()
$730
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:05 am -
1 stop21h 10m
Wed 10/211:25 pm -
2 stops23h 10m
Deal found 9/21![United Airlines logo]()
$732
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/93:30 pm -
2 stops12h 55m
Mon 1/181:15 am -
2 stops24h 16m
Deal found 9/19![United Airlines logo]()
$735
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:00 am -
2 stops21h 25m
Wed 12/28:45 am -
2 stops31h 38m
Deal found 9/18![United Airlines logo]()
$735
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/15:00 am -
1 stop25h 32m
Sun 5/26:00 am -
2 stops29h 21m
Deal found 9/22![United Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:16 pm -
2 stops23h 05m
Thu 10/221:25 pm -
3 stops35h 01m
Deal found 9/22![United Airlines logo]()
$744
Last-minute flights from Seattle to San JoséDiscover last-minute flight deals from Seattle to San José. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to San José. Data last updated September 23, 2026 and is based on user searches.
This eDestinos deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:15 pm -
1 stop32h 15m
Sat 10/37:45 am -
1 stop15h 14m
Deal found 9/18![Multiple Airlines logo]()
$593
This Avianca deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:27 am -
2 stops22h 03m
Sun 10/44:35 pm -
2 stops19h 00m
Deal found 9/19![Multiple Airlines logo]()
$571
This Mytrip deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:58 am -
2 stops24h 32m
Sun 10/114:35 pm -
2 stops19h 00m
Deal found 9/22![Multiple Airlines logo]()
$610
This Avianca deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:02 pm -
2 stops17h 28m
Thu 10/227:45 am -
1 stop15h 14m
Deal found 9/19![Multiple Airlines logo]()
$580
This oojo deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/182:02 pm -
2 stops17h 28m
Sun 10/254:15 pm -
2 stops19h 20m
Deal found 9/20![Multiple Airlines logo]()
$608
This Justfly.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:28 am -
2 stops22h 02m
Sun 10/254:15 pm -
2 stops19h 20m
Deal found 9/18![Multiple Airlines logo]()
$603
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:41 pm -
1 stop19h 19m
Sun 10/256:00 am -
1 stop18h 59m
Deal found 9/18![American Airlines logo]()
$605
This Southwest deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:55 pm -
2 stops20h 45m
Fri 10/301:30 pm -
2 stops21h 55m
Deal found 9/18![Southwest logo]()
$539
This Southwest deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:15 am -
2 stops12h 25m
Mon 11/22:10 pm -
2 stops13h 05m
Deal found 9/21![Southwest logo]()
$598
This deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:35 pm -
1 stop12h 25m
Wed 11/112:37 pm -
1 stop11h 20m
Deal found 9/18![Delta logo]()
$600
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 September 23, 2026.
Search for one-way flight options from Seattle to San José. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This FlightHub deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1411:32 am -
1 stop10h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$251
This Southwest deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/201:40 pm -
2 stops21h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Southwest logo]()
$273
This Avianca deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/62:40 pm -
2 stops15h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$275
This Avianca deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:28 am -
2 stops22h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$276
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:41 pm -
1 stop19h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![American Airlines logo]()
$278
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:45 pm -
2 stops15h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![American Airlines logo]()
$279
This Avianca deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:28 am -
2 stops22h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:29 pm -
2 stops14h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![United Airlines logo]()
$289
This FlightHub deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/37:00 am -
2 stops23h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$290
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 September 23, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $539 (Southwest) |
One-way from | $251 (FlightHub) |
Popular in | March |
Cheapest in | January |
Average price | $634 |
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 September 23, 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
Wed 1/20
1:40 pm-12:50 pm
2 stops21h 10m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$273
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Sun 10/18
9:28 am-8:30 am
2 stops22h 02m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$276
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Sat 10/31
3:35 pm-5:25 am
2 stops12h 50m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$279
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Sat 12/5
6:00 am-10:17 pm
1 stop14h 17m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$279
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Sun 1/10
1:16 pm-8:32 am
1 stop17h 16m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$279
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Tue 11/3
1:16 pm-8:32 am
1 stop17h 16m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$279
Quickest round-trip
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Thu 10/22
7:25 pm-7:15 am
1 stop10h 50m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$279
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Sun 10/18
5:41 pm-2:00 pm
1 stop19h 19m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$288
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Sun 12/6
8:05 am-8:35 am
2 stops22h 30m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$290
SeattleSan José
SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl
SEASJO
Seattle/Tacoma Intl
Sun 9/27
5:05 pm-12:21 pm
1 stop18h 16m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$300
Showing 1-10 of 24 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 September.
| 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 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 $576). Flying from Seattle to San José in March is currently the most expensive (average of $801). 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 below average for this route at the moment.
Seattle to San José flights typically cost between $556 and $723 in October.The cheapest round-trip price found within the last 5 days was $539 on Southwest (Oct 25-Oct 30).
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 September 23, 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.
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Food
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
Jacó
Heredia
Dominical
Manuel Antonio
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Seattle and San José flights
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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 September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$362 | Average$682 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$384 | Average$740 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$387 | Average$707 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$396 | Average$952 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$411 | Average$663 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$417 | Average$697 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$516 | Average$703 | FlexibilityNo cancel fee | On-time63% |