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$94+ Cheap flights from Washington, D.C. (WAS) to Costa Rica

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SJO
Apr 27 — May 41
Mon 4/27
Mon 5/4
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Costa Rica

Cheapest flights from Washington, D.C. to Costa Rica
Explore the most affordable flight options available from Washington, D.C. to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2026.

This Avianca deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:40 am
IAD
-
SJO
1 stop6h 50m
Avianca
Mon 5/187:45 pm
SJO
-
IAD
1 stop6h 35m
Avianca
Deal found 3/24$288
This Avianca deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:35 pm
IAD
-
SJO
1 stop8h 05m
Avianca
Mon 5/187:45 pm
SJO
-
IAD
1 stop6h 35m
Avianca
Deal found 3/28$289
This Trip.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:00 am
IAD
-
SJO
1 stop8h 12m
Multiple Airlines
Wed 4/153:10 pm
SJO
-
IAD
1 stop9h 35m
Multiple Airlines
Deal found 3/26$292
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:14 pm
BWI
-
LIR
1 stop17h 14m
American Airlines
Tue 4/282:40 pm
LIR
-
BWI
2 stops16h 16m
American Airlines
Deal found 3/25$293
This Orbitz deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:27 pm
IAD
-
SJO
1 stop14h 52m
Multiple Airlines
Fri 5/297:45 pm
SJO
-
IAD
1 stop6h 35m
Multiple Airlines
Deal found 3/25$295
This Avianca deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:40 am
IAD
-
SJO
1 stop6h 50m
Avianca
Tue 5/125:25 pm
SJO
-
IAD
1 stop6h 50m
Avianca
Deal found 3/25$296
This Avianca deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/183:40 am
IAD
-
SJO
1 stop6h 50m
Avianca
Fri 4/243:10 pm
SJO
-
IAD
1 stop9h 35m
Avianca
Deal found 3/24$297
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:05 am
BWI
-
LIR
2 stops8h 19m
American Airlines
Fri 5/12:40 pm
LIR
-
BWI
2 stops16h 12m
American Airlines
Deal found 3/25$298
This Avianca deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:40 am
IAD
-
SJO
1 stop6h 50m
Avianca
Sun 5/173:10 pm
SJO
-
IAD
1 stop9h 35m
Avianca
Deal found 3/27$298
This Avianca deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/254:10 am
IAD
-
SJO
1 stop6h 35m
Avianca
Sat 5/27:45 pm
SJO
-
IAD
1 stop6h 35m
Avianca
Deal found 3/25$299
This FlightHub deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:27 pm
IAD
-
SJO
1 stop14h 52m
Frontier
Sun 6/219:35 am
SJO
-
IAD
1 stop25h 18m
Frontier
Deal found 3/26$303
This Super.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/73:40 am
IAD
-
SJO
Nonstop6h 50m
Avianca
Tue 5/125:25 pm
SJO
-
IAD
Nonstop6h 50m
Avianca
Deal found 3/24$304

Find flight deals from Washington, D.C. to Costa Rica

Keep the following information in mind while searching for Washington, D.C. to Costa Rica flight deals. Data was last updated March 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$288
(Avianca)

One-way from

$94
(Frontier)

Popular in

December

Cheapest in

October

Average price

$457

Good round-trip deal

$505 or less

Good one-way deal

$147 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San José Juan Santamaria Intl flights.
Search Deals
From Washington, D.C. (WAS) to Costa Rica
Search Deals
One-way flight from Washington, D.C. (WAS) to Costa Rica
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Costa Rica.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Costa Rica.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Costa Rica that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Sat 5/9

4:38 pm-7:09 am

1 stop16h 31m

San José Juan Santamaria Intl

Sat 5/16

10:05 am-4:21 am

1 stop16h 16m

$306

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Thu 5/7

4:38 pm-8:21 am

1 stop17h 43m

San José Juan Santamaria Intl

Sun 5/10

6:01 pm-4:21 am

1 stop8h 20m

$308

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Mon 4/20

6:00 am-11:38 am

1 stop7h 38m

San José Juan Santamaria Intl

Thu 4/23

11:13 am-10:15 pm

1 stop9h 02m

$318

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Wed 4/22

5:00 am-1:10 pm

2 stops10h 10m

Liberia

Thu 4/30

2:40 pm-9:00 am

1 stop16h 20m

$330

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Tue 4/28

6:00 am-12:10 pm

1 stop8h 10m

Liberia

Mon 5/4

3:27 pm-11:28 am

1 stop18h 01m

$335

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Thu 4/16

10:20 am-7:00 pm

2 stops10h 40m

San José Juan Santamaria Intl

Thu 4/23

1:10 pm-11:30 pm

1 stop8h 20m

$340

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Sun 4/12

4:33 pm-7:08 am

1 stop16h 35m

San José Juan Santamaria Intl

Fri 4/17

8:46 am-4:22 am

1 stop17h 36m

$340

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Fri 5/29

2:21 am-9:06 am

1 stop8h 45m

San José Juan Santamaria Intl

Sat 5/30

6:01 pm-4:21 am

1 stop8h 20m

$344

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Thu 4/16

5:50 pm-10:11 am

1 stop18h 21m

San José Juan Santamaria Intl

Thu 4/23

11:13 am-10:44 pm

1 stop9h 31m

$348

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Tue 5/12

6:00 am-12:10 pm

1 stop8h 10m

Liberia

Mon 5/18

3:27 pm-11:28 am

1 stop18h 01m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Washington, D.C. to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Costa Rica

What is the cheapest month to book a flight from Washington, D.C. to Costa Rica?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Costa Rica (average of $152). Flying from Washington, D.C. to Costa Rica in June is currently the most expensive (average of $256). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to CR?

Find hourly flight availability from Washington, D.C. to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2026.

When flying from Washington, D.C. to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated March 28, 2026.
Read reviews from past customers who have flown Delta,Copa Airlines, andUnited Airlines from Washington, D.C. to Costa Rica. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,358 reviews

Food

7.2

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,358 reviews
Delta
7.9
Good
8,358 reviews

Food

7.2

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Copa Airlines
7.5
Good
1,577 reviews
Delta
7.9
Good
8,358 reviews

Food

7.2

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,502 reviews
Delta
7.9
Good
8,358 reviews

Food

7.2

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,520 reviews
Delta
7.9
Good
8,358 reviews

Food

7.2

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Avianca
6.5
Okay
2,506 reviews
Delta
7.9
Good
8,358 reviews

Food

7.2

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Costa Rica?

    A quick flight from Washington, D.C. to Costa Rica can take about 7h 38m. Copa Airlines provides one of the quickest options available for as low as $318. Washington, D.C. and Costa Rica are separated by a distance of 2041 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Washington, D.C. to Costa Rica one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $95. Users have also found prices from $100 and $100 on American Airlines and Southwest, respectively.

  • What are the most popular routes from Washington, D.C. to Costa Rica?

    The most popular route from Washington, D.C. to Costa Rica is Washington, D.C. Dulles Intl - San José Juan Santamaria Intl. You may also consider Baltimore/Washington - San José Juan Santamaria Intl or Washington, D.C. Reagan-National - San José Juan Santamaria Intl.

  • What are the most reliable airlines from Washington, D.C. to Costa Rica?

    The top 3 most reliable airlines when flying from Washington, D.C. to Costa Rica are United Airlines (86%), Avianca (78%) and Avianca Costa Rica (78%).

  • What are the cheapest flights from Washington, D.C. to Costa Rica?

    Looking for the cheapest flight from Washington, D.C. to Costa Rica? While on average our users pay $797, our data indicates the cheapest price to be $143. The most popular route (Washington, D.C. Dulles Intl - San José Juan Santamaria Intl), is priced around $295.

  • Can I find deals for flights from Washington, D.C. to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Costa Rica.

  • Can I find deals for business class flights from Washington, D.C. to Costa Rica?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Costa Rica?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Costa Rica (average of $152). Flying from Washington, D.C. to Costa Rica in June is currently the most expensive (average of $256). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Washington, D.C. to Costa Rica

Discover the top 9 airlines that operate flights from Washington, D.C. to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Volaris El SalvadorCheapest$102Average$309FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$132Average$337FlexibilityNo cancel feeOn-time71%
DeltaCheapest$168Average$450FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$170Average$348FlexibilityNo cancel feeOn-time70%
Spirit AirlinesCheapest$223Average$377FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$235Average$442FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$235Average$428FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$237Average$465FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$647FlexibilityNo cancel feeOn-time63%

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