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Find cheap flights from Washington to Costa Rica from $182

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 6/24. 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 6/22
Sat 6/29

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In the last 7 days travelers have searched 43,800,826 times on KAYAK, and here is why:

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Good to know

Low season

September

High season

December

Cheapest flight

$182
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly with an average 27% increase in price.
Flight from Portland 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

8/18Sun
2 stops
37h 20mSEA-SJO
8/26Mon
2 stops
34h 58mSJO-SEA
$351
11/1Fri
1 stopUnited Airlines
9h 26mSEA-SJO
11/6Wed
1 stopUnited Airlines
10h 45mSJO-SEA
$382
8/27Tue
3 stopsSpirit Airlines
24h 54mSEA-SJO
9/4Wed
3 stopsSpirit Airlines
32h 49mSJO-SEA
$385
9/9Mon
1 stopAmerican Airlines
12h 13mPDX-LIR
9/17Tue
1 stopAmerican Airlines
9h 34mLIR-PDX
$385
10/27Sun
2 stopsDelta
17h 43mPDX-LIR
11/6Wed
2 stopsDelta
27h 35mLIR-PDX
$389
9/3Tue
2 stopsAmerican Airlines
28h 24mGEG-SJO
9/10Tue
2 stopsAmerican Airlines
25h 33mSJO-GEG
$392
10/27Sun
1 stopDelta
12h 18mPDX-LIR
11/6Wed
1 stopDelta
22h 38mLIR-PDX
$395
8/27Tue
2 stopsSpirit Airlines
13h 29mSEA-SJO
9/4Wed
3 stopsSpirit Airlines
32h 49mSJO-SEA
$406
9/11Wed
2 stopsAvianca
25h 25mSEA-SJO
9/25Wed
2 stopsAvianca
18h 12mSJO-SEA
$409
11/12Tue
2 stopsAvianca
21h 20mSEA-SJO
11/20Wed
2 stopsAvianca
18h 19mSJO-SEA
$434

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Recent one-way flight deals

6/24Mon
2 stopsSpirit Airlines
23h 16mPDX-SJO
$182
7/23Tue
3 stopsSpirit Airlines
34h 48mPDX-SJO
$184
7/23Tue
2 stopsSpirit Airlines
23h 13mPDX-SJO
$186
9/1Sun
2 stopsAvianca
25h 25mSEA-SJO
$188
6/22Sat
1 stopUnited Airlines
19h 56mSEA-SJO
$214
8/12Mon
2 stopsDelta
21h 31mGEG-SJO
$215
8/12Mon
1 stopAmerican Airlines
15h 07mGEG-SJO
$219
6/21Fri
1 stopUnited Airlines
11h 08mPDX-LIR
$221
8/3Sat
1 stopAmerican Airlines
20h 02mPDX-SJO
$236
7/29Mon
2 stopsDelta
13h 53mPDX-LIR
$243

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Last minute flights from Washington to Costa Rica

Last minute flight, train and bus deals

5/26Sun
multi-stopSpirit Airlines
12h 17mPDX-SJO
6/1Sat
multi-stopSpirit Airlines
22h 31mSJO-PDX
$599
5/26Sun
multi-stopSpirit Airlines
12h 17mPDX-SJO
6/2Sun
multi-stopSpirit Airlines
26h 29mSJO-PDX
$623
5/28Tue
multi-stopSpirit Airlines
19h 46mPDX-SJO
6/4Tue
multi-stopSpirit Airlines
26h 17mSJO-PDX
$632
5/28Tue
multi-stopAmerican Airlines
19h 59mSEA-SJO
6/3Mon
multi-stopAmerican Airlines
18h 59mSJO-SEA
$656
5/28Tue
multi-stopAmerican Airlines
19h 59mSEA-SJO
6/3Mon
multi-stopAmerican Airlines
15h 50mSJO-SEA
$661
5/25Sat
multi-stopDelta
18h 33mPDX-SJO
6/2Sun
multi-stopDelta
12h 15mSJO-PDX
$680
5/25Sat
multi-stopUnited Airlines
15h 10mSEA-SJO
5/27Mon
multi-stopUnited Airlines
12h 38mSJO-SEA
$716
5/25Sat
multi-stopCopa Airlines
14h 49mSEA-SJO
5/27Mon
multi-stopCopa Airlines
32h 47mSJO-SEA
$729
5/25Sat
multi-stopUnited Airlines
26h 48mSEA-SJO
5/27Mon
multi-stopUnited Airlines
12h 38mSJO-SEA
$751
5/25Sat
multi-stopDelta
18h 33mPDX-SJO
6/2Sun
multi-stopDelta
16h 23mSJO-PDX
$800

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Flights to Costa Rica

Return flight deals:

Costa Rica - Washington

Cabin classes: