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Find cheap flights from Washington to Costa Rica from $93

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 9/9. 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
Thu 6/27
Thu 7/4

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In the last 7 days travelers have searched 42,816,550 times on KAYAK, and here is why:

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Good to know

Low season

September

High season

December

Cheapest flight

$93
Best time to beat the crowds with an average 14% 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

8/26Mon
2 stopsSpirit Airlines
21h 17mPDX-SJO
9/10Tue
2 stopsSpirit Airlines
24h 50mSJO-PDX
$264
8/21Wed
2 stopsSpirit Airlines
21h 17mPDX-SJO
8/27Tue
2 stopsSpirit Airlines
22h 45mSJO-PDX
$300
8/11Sun
2 stopsDelta
19h 21mGEG-SJO
8/27Tue
2 stopsDelta
20h 56mSJO-GEG
$358
9/9Mon
3 stops
34h 41mPDX-SJO
9/19Thu
2 stops
23h 52mSJO-PDX
$360
8/12Mon
1 stopAmerican Airlines
13h 51mGEG-LIR
8/30Fri
1 stopAmerican Airlines
31h 30mLIR-GEG
$361
8/12Mon
2 stopsAmerican Airlines
21h 08mGEG-LIR
8/30Fri
1 stopAmerican Airlines
31h 30mLIR-GEG
$367
8/14Wed
2 stopsDelta
21h 28mGEG-SJO
8/27Tue
2 stopsDelta
20h 56mSJO-GEG
$371
10/28Mon
2 stopsUnited Airlines
19h 50mPDX-SJO
11/4Mon
1 stopUnited Airlines
12h 33mSJO-PDX
$390
8/27Tue
2 stops
24h 02mPDX-SJO
8/31Sat
2 stops
30h 53mSJO-PDX
$397
10/28Mon
1 stopUnited Airlines
26h 15mPDX-SJO
11/4Mon
1 stopUnited Airlines
10h 49mSJO-PDX
$400

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Recent one-way flight deals

9/9Mon
2 stopsSpirit Airlines
21h 17mPDX-SJO
$93
9/4Wed
2 stopsSpirit Airlines
21h 17mPDX-SJO
$141
8/12Mon
1 stopDelta
11h 44mGEG-SJO
$180
8/11Sun
2 stopsDelta
17h 05mGEG-SJO
$184
7/29Mon
1 stopAmerican Airlines
14h 10mPDX-LIR
$186
10/26Sat
2 stopsAmerican Airlines
19h 35mPDX-SJO
$190
6/11Tue
2 stops
26h 06mPDX-SJO
$198
7/16Tue
3 stops
24h 35mPDX-SJO
$210
6/26Wed
1 stopUnited Airlines
9h 13mPDX-SJO
$229
8/5Mon
2 stopsUnited Airlines
17h 01mGEG-SJO
$231

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Last minute flights from Washington to Costa Rica

Last minute flight, train and bus deals

6/2Sun
multi-stop
22h 42mPDX-SJO
6/5Wed
multi-stop
18h 08mSJO-PDX
$448
6/1Sat
multi-stopSpirit Airlines
22h 11mSEA-SJO
6/7Fri
multi-stopSpirit Airlines
20h 25mSJO-SEA
$521
5/29Wed
multi-stopCopa Airlines
21h 20mSEA-SJO
6/3Mon
multi-stopCopa Airlines
29h 01mSJO-SEA
$559
5/30Thu
multi-stopUnited Airlines
9h 20mSEA-LIR
7/15Mon
multi-stopUnited Airlines
17h 35mLIR-SEA
$646
5/29Wed
multi-stopAmerican Airlines
14h 25mSEA-SJO
6/3Mon
multi-stopAmerican Airlines
16h 04mSJO-SEA
$655
5/30Thu
multi-stopUnited Airlines
22h 41mSEA-SJO
6/10Mon
multi-stopUnited Airlines
12h 29mSJO-SEA
$656
5/29Wed
multi-stopAmerican Airlines
12h 07mSEA-SJO
6/3Mon
multi-stopAmerican Airlines
14h 21mSJO-SEA
$659
5/30Thu
multi-stopCopa Airlines
25h 56mSEA-SJO
6/1Sat
multi-stopCopa Airlines
14h 25mSJO-SEA
$684
6/1Sat
multi-stopDelta
18h 33mPDX-SJO
6/5Wed
multi-stopDelta
17h 08mSJO-PDX
$704
5/29Wed
multi-stopDelta
18h 33mPDX-SJO
6/3Mon
multi-stopDelta
15h 37mSJO-PDX
$835

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Flights to Costa Rica

Return flight deals:

Costa Rica - Washington

Cabin classes: