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San José

$122+ Cheap flights from Washington 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJO
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Washington to San José

Keep the following information in mind while searching for Washington to San José flight deals. Data was last updated September 17, 2025.

Round-trip from

$276
(United Airlines)

One-way from

$122
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$514
From Washington to San José Juan Santamaria Intl
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One-way flight from Washington to San José Juan Santamaria Intl
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Highest demand for flights based on searches. 11% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Washington to San José

Cheapest flights from Washington to San José
Explore the most affordable flight options available from Washington to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/17. 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 11/37:38 pmPDX - SJO
2 stops13h 47mUnited Airlines
Sat 11/157:30 amSJO - PDX
1 stop12h 22mUnited Airlines
Deal found 9/17$276
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/310:15 pmPDX - SJO
1 stop12h 04mAmerican Airlines
Sat 11/156:00 amSJO - PDX
2 stops15h 14mAmerican Airlines
Deal found 9/16$280
This American Airlines deal was found by Cheapflights users on 9/17. 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 11/111:58 pmPDX - SJO
1 stop21h 15mAmerican Airlines
Sat 11/81:12 pmSJO - PDX
1 stop12h 19mAmerican Airlines
Deal found 9/17$283
This SmartFares deal was found by Cheapflights users on 9/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:33 pmPDX - SJO
1 stop10h 05mAlaska Airlines
Sun 11/161:55 amSJO - PDX
1 stop11h 40mAlaska Airlines
Deal found 9/17$290
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/314:05 pmGEG - SJO
2 stops17h 20mUnited Airlines
Fri 11/79:40 amSJO - GEG
1 stop15h 49mUnited Airlines
Deal found 9/16$298
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/47:38 pmPDX - SJO
2 stops13h 47mUnited Airlines
Tue 11/1112:35 pmSJO - PDX
2 stops13h 51mUnited Airlines
Deal found 9/17$301
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 11/37:39 pmGEG - SJO
2 stops26h 59mAlaska Airlines
Tue 11/111:55 amSJO - GEG
1 stop14h 03mAlaska Airlines
Deal found 9/17$302
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1512:50 pmGEG - SJO
2 stops22h 25mSouthwest
Sat 11/222:40 pmSJO - GEG
2 stops21h 45mSouthwest
Deal found 9/15$303
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/1811:55 pmPDX - SJO
1 stop11h 31mUnited Airlines
Tue 10/217:55 amSJO - PDX
1 stop15h 32mUnited Airlines
Deal found 9/17$309
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/317:38 pmPDX - SJO
2 stops13h 47mUnited Airlines
Fri 11/712:35 pmSJO - PDX
1 stop12h 10mUnited Airlines
Deal found 9/16$312
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/412:45 pmGEG - SJO
2 stops20h 40mUnited Airlines
Tue 11/119:40 amSJO - GEG
1 stop15h 49mUnited Airlines
Deal found 9/16$313
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/207:35 pmPDX - SJO
1 stop10h 40mUnited Airlines
Fri 10/248:37 amSJO - PDX
1 stop15h 08mUnited Airlines
Deal found 9/16$315

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 September 17, 2025.
Use the filters below to find and compare flights from Washington to San José that are best for you.

Fly from

Washington

Fly to

San José

Route

Depart

Return

Price

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Mon 11/3

8:59 pm-12:38 am

2 stops25h 39m

San José Juan Santamaria Intl

Tue 11/11

1:55 am-10:59 pm

2 stops23h 04m

$302

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Fri 10/31

4:05 pm-10:25 am

2 stops17h 20m

San José Juan Santamaria Intl

Fri 11/7

8:45 am-11:29 pm

2 stops16h 44m

$302

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Tue 11/4

12:45 pm-11:25 am

2 stops20h 40m

San José Juan Santamaria Intl

Tue 11/11

9:40 am-11:29 pm

1 stop15h 49m

$313

PascoSan José

PSC - SJO

PSCSJO

Pasco Tri Cities

Mon 10/27

6:10 am-11:58 am

2 stops28h 48m

San José Juan Santamaria Intl

Fri 10/31

1:23 pm-10:50 am

2 stops22h 27m

$320

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 11/4

10:30 am-12:38 am

1 stop12h 08m

San José Juan Santamaria Intl

Mon 11/10

1:55 am-10:24 pm

1 stop22h 29m

$322

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Thu 10/30

5:51 am-11:51 pm

2 stops17h 00m

San José Juan Santamaria Intl

Wed 11/5

1:55 am-1:58 pm

1 stop14h 03m

$332

PascoSan José

PSC - SJO

PSCSJO

Pasco Tri Cities

Mon 10/27

7:00 am-11:51 pm

1 stop15h 51m

San José Juan Santamaria Intl

Thu 10/30

1:11 am-11:59 pm

1 stop23h 48m

$334

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Wed 11/5

2:38 pm-12:38 am

1 stop32h 00m

San José Juan Santamaria Intl

Mon 12/15

1:30 am-11:10 pm

2 stops23h 40m

$339

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 9/30

5:31 pm-7:15 am

1 stop12h 44m

San José Juan Santamaria Intl

Tue 10/7

7:55 am-9:15 pm

2 stops14h 20m

$350

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Thu 10/30

12:45 pm-7:32 am

1 stop17h 47m

San José Juan Santamaria Intl

Thu 11/6

9:40 am-11:29 pm

1 stop15h 49m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results
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Best time to book a flight from Washington to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Washington with our price prediction graph.
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 Washington to San José

What is the cheapest month to book a flight from State of Washington to San José, San José Province?

Currently, September is the cheapest month in which you can book a flight from State of Washington to San José, San José Province (average of $398). Flying from State of Washington to San José, San José Province in March is currently the most expensive (average of $554). 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.

What is the cheapest time of day to fly from WA to SJO?

Find hourly flight availability from Washington to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from State of Washington to San José, San José Province, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Washington to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San José from Washington?

    For a flight from Washington to San José, you will be flying into Juan Santamaria Intl. San José Juan Santamaria Intl (SJO) is just 8.8 mi from the center of the city.

  • How long is the flight from State of Washington to San José, San José Province?

    For as low as $302, Alaska Airlines can have you in San José, San José Province from State of Washington in 17h 20m. Airlines will cover a distance of 3240 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from State of Washington to San José, San José Province one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $122. Users have also found prices from $139 and $142 on Alaska Airlines and Delta, respectively.

  • What are the most popular routes from State of Washington to San José, San José Province?

    Most travelers choose Seattle/Tacoma Intl - San José Juan Santamaria Intl, Portland - San José Juan Santamaria Intl or Spokane - San José Juan Santamaria Intl when deciding on the best route from State of Washington to San José, San José Province.

  • Can I find deals for flights from Washington to San José that include hotel bookings?

    Yes. In addition to deals on Washington to San José flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to San José?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to San José.

  • Can I find deals for business class flights from Washington to San José?

    Yes. Cheapflights offers flight deals from Washington to San José by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to San José, San José Province?

    Currently, September is the cheapest month in which you can book a flight from State of Washington to San José, San José Province (average of $398). Flying from State of Washington to San José, San José Province in March is currently the most expensive (average of $554). 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.

See more FAQs

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Heredia
Manuel Antonio
Alajuela
Monteverde
Jacó

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Alternative routes for Washington to San José

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to Liberia flights
Minneapolis to Liberia flights
Dulles Intl to Liberia flights
Midway to San José flights
Reagan-National to Liberia flights
Minneapolis to San José flights
Baltimore to Liberia flights
San Francisco to Liberia flights
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Atlanta to Liberia flights
Dallas/Fort Worth to Liberia flights
Detroit to San José flights
Philadelphia to San José flights
Sky Harbor Intl to San José flights
Raleigh to San José flights
Charlotte to San José flights
Seattle to Liberia flights
Oakland to San José flights
Portland to San José flights
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Love Field to San José flights
Hobby to Liberia flights
Austin to San José flights
Tampa to San José flights
Philadelphia to Liberia flights

Top 9 airlines flying from Washington to San José

Discover the top 9 airlines that operate flights from Washington 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$152Average$217FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$308Average$387FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$311Average$556FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$328Average$736FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$391Average$688FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$423Average$783FlexibilityNo cancel feeOn-time70%
DeltaCheapest$450Average$678FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$462Average$666FlexibilityNo cancel feeOn-time63%
AeromexicoCheapest$709Average$987FlexibilityNo cancel feeOn-timeN/A

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