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$156 Find Cheap Flights from Washington to Costa Rica

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 12/9. 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

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In the last 7 days travelers have searched 46,479,581 times on KAYAK, and here is why:

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Good to know

Low season

September

High season

March

Cheapest flight

$156
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 8% 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

12/4Wed
2 stopsSpirit Airlines
17h 28mSEA-SJO
12/9Mon
2 stopsSpirit Airlines
39h 04mSJO-SEA
$341
12/4Wed
2 stopsSpirit Airlines
14h 12mPDX-SJO
12/9Mon
3 stopsSpirit Airlines
20h 39mSJO-PDX
$343
2/12Wed
1 stop
10h 37mPDX-SJO
2/19Wed
2 stops
21h 30mSJO-PDX
$407
1/15Wed
1 stopAlaska Airlines
9h 02mPDX-LIR
1/29Wed
1 stopAlaska Airlines
15h 57mLIR-PDX
$419
2/3Mon
1 stopAlaska Airlines
11h 14mPDX-LIR
2/12Wed
1 stopAlaska Airlines
10h 59mLIR-PDX
$427
2/17Mon
1 stopAmerican Airlines
15h 02mGEG-SJO
2/26Wed
1 stopAmerican Airlines
22h 12mSJO-GEG
$434
1/20Mon
1 stopAmerican Airlines
15h 38mPDX-SJO
2/3Mon
1 stopAmerican Airlines
19h 36mSJO-PDX
$434
11/14Thu
3 stops
28h 16mPDX-SJO
12/11Wed
2 stops
27h 03mSJO-PDX
$440
2/1Sat
1 stopUnited Airlines
27h 56mPDX-SJO
2/5Wed
1 stopUnited Airlines
18h 43mSJO-PDX
$444
4/22Tue
1 stopUnited Airlines
18h 38mPDX-SJO
4/30Wed
1 stopUnited Airlines
12h 39mSJO-PDX
$460

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Recent one-way flight deals

12/9Mon
1 stop
18h 45mSEA-SJO
$156
12/9Mon
2 stopsSpirit Airlines
21h 29mSEA-SJO
$177
2/23Sun
1 stopAlaska Airlines
9h 52mPDX-LIR
$191
2/25Tue
1 stopAlaska Airlines
11h 05mPDX-LIR
$193
2/5Wed
1 stopAmerican Airlines
11h 25mPDX-SJO
$198
4/8Tue
1 stopAmerican Airlines
12h 10mPDX-SJO
$211
3/5Wed
2 stopsDelta
14h 26mPDX-SJO
$234
2/18Tue
1 stopDelta
10h 16mPDX-LIR
$236
2/20Thu
2 stopsUnited Airlines
21h 34mPDX-LIR
$249
4/8Tue
2 stopsUnited Airlines
21h 38mPDX-SJO
$256

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Search by price

Last minute flights from Washington to Costa Rica

Last minute flight, train and bus deals

11/3Sun
multi-stop
11h 55mPDX-SJO
11/5Tue
multi-stop
14h 45mSJO-PDX
$495
11/5Tue
multi-stopAmerican Airlines
13h 15mPDX-LIR
4/30Wed
multi-stopAmerican Airlines
10h 55mLIR-PDX
$538
11/3Sun
multi-stopDelta
16h 59mPDX-LIR
11/13Wed
multi-stopDelta
19h 14mLIR-PDX
$578
11/3Sun
multi-stopDelta
16h 59mPDX-LIR
11/13Wed
multi-stopDelta
19h 14mLIR-PDX
$603
11/2Sat
multi-stopAlaska Airlines
18h 52mPDX-LIR
11/8Fri
multi-stopAlaska Airlines
12h 54mLIR-PDX
$618
11/1Fri
multi-stopCopa Airlines
15h 50mSEA-SJO
11/14Thu
multi-stopCopa Airlines
18h 40mSJO-SEA
$619
11/5Tue
multi-stopUnited Airlines
21h 26mPDX-LIR
4/30Wed
multi-stopUnited Airlines
21h 15mLIR-PDX
$628
11/5Tue
multi-stopUnited Airlines
15h 18mPDX-LIR
4/30Wed
multi-stopUnited Airlines
21h 20mLIR-PDX
$633
11/2Sat
multi-stopCopa Airlines
14h 26mSEA-SJO
11/14Thu
multi-stopCopa Airlines
20h 22mSJO-SEA
$853
11/5Tue
multi-stopAlaska Airlines
35h 20mGEG-SJO
11/14Thu
multi-stopAlaska Airlines
12h 04mSJO-GEG
$1,164

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Everything you need to know for your flight to Costa Rica

Cabin class types available on flights to Washington

Cabin classes available on flights to Washington. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.