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Find cheap flights from Washington to Costa Rica from $117

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington to Costa Rica departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 6/1
Sat 6/8

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Good to know

Low season

October

High season

March

Cheapest flight

$117
Best time to beat the crowds with an average 29% drop in price.
Most popular time to fly with an average 14% increase in price.
Flight from Seattle to San José

FAQs for booking flights from Washington to Costa Rica

  • How does KAYAK find such low prices on flights from Washington to Costa Rica?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Costa Rica.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Costa Rica?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Costa Rica from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington to Costa Rica?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Costa Rica with an airline and back to Washington with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Costa Rica?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Costa Rica from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Washington to Costa Rica

Recent round-trip flight deals

5/18Sat
2 stopsSpirit Airlines
22h 11mSEA-SJO
5/27Mon
2 stopsSpirit Airlines
24h 09mSJO-SEA
$312
5/29Wed
2 stopsSpirit Airlines
22h 11mSEA-SJO
6/5Wed
2 stopsSpirit Airlines
21h 00mSJO-SEA
$334
5/16Thu
3 stops
57h 57mSEA-SJO
5/22Wed
3 stops
28h 51mSJO-SEA
$353
5/16Thu
3 stops
57h 57mSEA-SJO
5/22Wed
2 stops
37h 36mSJO-SEA
$355
10/29Tue
1 stopDelta
18h 58mSEA-SJO
11/13Wed
1 stopDelta
22h 25mSJO-SEA
$404
9/18Wed
2 stopsAmerican Airlines
12h 31mSEA-SJO
9/25Wed
2 stopsAmerican Airlines
16h 45mSJO-SEA
$405
10/16Wed
2 stopsAvianca
25h 25mSEA-SJO
10/23Wed
2 stopsAvianca
23h 47mSJO-SEA
$418
10/28Mon
2 stopsDelta
29h 23mGEG-SJO
11/3Sun
2 stopsDelta
41h 31mSJO-GEG
$434
10/9Wed
1 stopAmerican Airlines
19h 16mSEA-SJO
10/17Thu
1 stopAmerican Airlines
20h 28mSJO-SEA
$438
10/29Tue
1 stopAvianca
22h 20mSEA-SJO
11/12Tue
2 stopsAvianca
20h 35mSJO-SEA
$581

Search by stops

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Recent one-way flight deals

5/14Tue
3 stops
36h 20mSEA-SJO
$117
5/29Wed
2 stopsSpirit Airlines
22h 11mSEA-SJO
$121
5/20Mon
1 stopAmerican Airlines
12h 52mSEA-LIR
$173
8/21Wed
2 stopsAvianca
25h 25mSEA-SJO
$195
5/29Wed
1 stopAmerican Airlines
12h 47mSEA-SJO
$218
5/27Mon
1 stopDelta
13h 13mSEA-SJO
$224
5/12Sun
2 stopsAlaska Airlines
11h 40mSEA-LIR
$226
5/11Sat
2 stopsAlaska Airlines
20h 36mSEA-LIR
$231
9/13Fri
1 stopDelta
32h 10mSEA-SJO
$233
5/14Tue
1 stopAvianca
17h 20mSEA-SJO
$280

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Search by price

Last minute flights from Washington to Costa Rica

Last minute flight, train and bus deals

5/7Tue
multi-stopSpirit Airlines
25h 45mSEA-SJO
5/13Mon
multi-stopSpirit Airlines
32h 46mSJO-SEA
$422
5/7Tue
multi-stopSpirit Airlines
25h 45mSEA-SJO
5/14Tue
multi-stopSpirit Airlines
24h 09mSJO-SEA
$428
5/7Tue
multi-stopSpirit Airlines
13h 18mSEA-SJO
5/13Mon
multi-stopSpirit Airlines
32h 46mSJO-SEA
$435
5/7Tue
multi-stopAmerican Airlines
12h 52mSEA-LIR
5/15Wed
multi-stopAmerican Airlines
10h 54mLIR-SEA
$486
5/6Mon
multi-stopAmerican Airlines
10h 55mSEA-LIR
5/15Wed
multi-stopAmerican Airlines
10h 54mLIR-SEA
$488
5/7Tue
multi-stop
12h 56mSEA-SJO
5/14Tue
multi-stop
24h 09mSJO-SEA
$503
5/5Sun
multi-stop
30h 11mSEA-SJO
5/7Tue
multi-stop
24h 09mSJO-SEA
$532
5/7Tue
multi-stopUnited Airlines
29h 05mSEA-LIR
5/15Wed
multi-stopUnited Airlines
19h 20mLIR-SEA
$572
5/6Mon
multi-stopCopa Airlines
19h 25mSEA-SJO
5/11Sat
multi-stopCopa Airlines
15h 07mSJO-SEA
$589
5/3Fri
multi-stopUnited Airlines
20h 03mSEA-LIR
5/13Mon
multi-stopUnited Airlines
19h 20mLIR-SEA
$646

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Flights to Costa Rica

Return flight deals:

Costa Rica - Washington

Cabin classes: