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Find cheap flights from Washington to Costa Rica from $114

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 10/2. 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
Fri 7/5
Fri 7/12

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In the last 7 days travelers have searched 44,281,614 times on KAYAK, and here is why:

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Good to know

Low season

September

High season

December

Cheapest flight

$114
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 24% 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

9/10Tue
3 stops
29h 09mPDX-SJO
9/19Thu
3 stops
25h 25mSJO-PDX
$361
9/8Sun
3 stopsSpirit Airlines
35h 56mPDX-SJO
9/17Tue
3 stopsSpirit Airlines
27h 35mSJO-PDX
$362
8/27Tue
2 stopsAmerican Airlines
26h 50mGEG-LIR
9/5Thu
2 stopsAmerican Airlines
24h 01mLIR-GEG
$367
8/19Mon
1 stopAmerican Airlines
15h 08mGEG-SJO
8/28Wed
2 stopsAmerican Airlines
13h 19mSJO-GEG
$371
8/6Tue
2 stopsDelta
21h 08mGEG-SJO
8/22Thu
2 stopsDelta
24h 16mSJO-GEG
$397
10/27Sun
2 stopsDelta
17h 53mPDX-SJO
11/6Wed
1 stopDelta
25h 16mSJO-PDX
$403
9/11Wed
2 stopsUnited Airlines
22h 31mSEA-SJO
9/25Wed
2 stopsUnited Airlines
19h 58mSJO-SEA
$459
10/29Tue
2 stopsUnited Airlines
21h 43mPDX-SJO
10/31Thu
1 stopUnited Airlines
10h 48mSJO-PDX
$460
10/25Fri
1 stopAlaska Airlines
10h 35mPDX-SJO
11/5Tue
1 stopAlaska Airlines
27h 03mSJO-PDX
$560
9/20Fri
1 stopAlaska Airlines
11h 50mGEG-SJO
9/29Sun
1 stopAlaska Airlines
16h 06mSJO-GEG
$575

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Recent one-way flight deals

10/2Wed
2 stops
20h 00mPDX-SJO
$114
10/2Wed
3 stops
17h 33mPDX-SJO
$119
6/24Mon
2 stopsSpirit Airlines
23h 16mPDX-SJO
$169
8/12Mon
3 stopsSpirit Airlines
37h 49mPDX-SJO
$172
8/19Mon
2 stopsAmerican Airlines
11h 39mSEA-SJO
$178
11/3Sun
1 stopAmerican Airlines
10h 39mSEA-LIR
$180
8/14Wed
2 stopsDelta
24h 13mGEG-LIR
$181
10/2Wed
1 stopDelta
17h 23mSEA-SJO
$188
11/18Mon
2 stopsUnited Airlines
20h 35mSEA-SJO
$204
9/24Tue
2 stopsUnited Airlines
20h 06mSEA-SJO
$208

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Last minute flights from Washington to Costa Rica

Last minute flight, train and bus deals

6/6Thu
multi-stop
11h 15mPDX-SJO
6/13Thu
multi-stop
13h 34mSJO-PDX
$479
6/6Thu
multi-stopAmerican Airlines
20h 48mGEG-LIR
7/11Thu
multi-stopAmerican Airlines
31h 42mLIR-GEG
$641
6/8Sat
multi-stopAmerican Airlines
20h 21mSEA-SJO
6/15Sat
multi-stopAmerican Airlines
13h 53mSJO-SEA
$654
6/6Thu
multi-stopDelta
12h 03mSEA-SJO
6/17Mon
multi-stopDelta
16h 24mSJO-SEA
$656
6/6Thu
multi-stopAmerican Airlines
30h 15mGEG-LIR
7/11Thu
multi-stopAmerican Airlines
31h 42mLIR-GEG
$656
6/8Sat
multi-stopUnited Airlines
12h 05mSEA-SJO
6/30Sun
multi-stopUnited Airlines
18h 23mSJO-SEA
$662
6/6Thu
multi-stopUnited Airlines
8h 44mPDX-SJO
6/13Thu
multi-stopUnited Airlines
15h 40mSJO-PDX
$675
6/6Thu
multi-stopSpirit Airlines
13h 41mSEA-SJO
6/18Tue
multi-stopSpirit Airlines
32h 33mSJO-SEA
$740
6/8Sat
multi-stopSpirit Airlines
14h 22mSEA-SJO
6/18Tue
multi-stopSpirit Airlines
32h 33mSJO-SEA
$750
6/8Sat
multi-stopWestJet Encore
10h 46mSEA-LIR
6/15Sat
multi-stopWestJet Encore
23h 57mLIR-SEA
$981

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Flights to Costa Rica

Return flight deals:

Costa Rica - Washington

Cabin classes: