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$111+ Cheap flights from Reagan-National (DCA) 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SJO
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Reagan-National to Costa Rica

Cheapest flights from Reagan-National to Costa Rica
Explore the most affordable flight options available from Reagan-National to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:59 am
DCA
-
SJO
1 stop15h 34m
American Airlines
Wed 3/116:00 am
SJO
-
DCA
1 stop10h 55m
American Airlines
Deal found 1/26$265
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/412:55 pm
DCA
-
SJO
1 stop11h 44m
United Airlines
Mon 6/812:30 am
SJO
-
DCA
1 stop9h 19m
United Airlines
Deal found 1/26$268
This Southwest deal was found by Cheapflights users on 1/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:10 pm
DCA
-
SJO
1 stop7h 50m
Southwest
Wed 4/159:00 am
SJO
-
DCA
1 stop11h 00m
Southwest
Deal found 1/24$269
This American Airlines deal was found by Cheapflights users on 1/25. 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 2/256:37 pm
DCA
-
LIR
1 stop18h 55m
American Airlines
Thu 3/53:13 pm
LIR
-
DCA
2 stops15h 10m
American Airlines
Deal found 1/25$271
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:00 am
DCA
-
LIR
1 stop8h 13m
American Airlines
Mon 3/162:13 pm
LIR
-
DCA
1 stop18h 24m
American Airlines
Deal found 1/26$274
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:00 am
DCA
-
SJO
1 stop15h 12m
American Airlines
Wed 3/47:00 am
SJO
-
DCA
1 stop15h 50m
American Airlines
Deal found 1/27$274
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:00 am
DCA
-
SJO
1 stop8h 15m
United Airlines
Thu 2/2612:35 pm
SJO
-
DCA
1 stop10h 15m
United Airlines
Deal found 1/26$275
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/87:59 pm
DCA
-
LIR
1 stop17h 13m
American Airlines
Thu 3/51:45 pm
LIR
-
DCA
1 stop18h 13m
American Airlines
Deal found 1/26$276
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/87:59 pm
DCA
-
SJO
1 stop15h 26m
American Airlines
Thu 3/126:00 am
SJO
-
DCA
1 stop10h 55m
American Airlines
Deal found 1/27$276
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:00 am
DCA
-
LIR
1 stop8h 32m
American Airlines
Wed 3/111:32 pm
LIR
-
DCA
1 stop17h 27m
American Airlines
Deal found 1/27$284
This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:00 am
DCA
-
SJO
1 stop8h 21m
United Airlines
Thu 4/2311:13 am
SJO
-
DCA
1 stop10h 46m
United Airlines
Deal found 1/25$284
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Mon 2/23:24 pm
DCA
-
SJO
1 stop8h 06m
American Airlines
Sat 2/77:09 am
SJO
-
DCA
1 stop14h 46m
American Airlines
Deal found 1/25$285

Find flight deals from Reagan-National to Costa Rica

Keep the following information in mind while searching for Reagan-National to Costa Rica flight deals. Data was last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$265
(American Airlines)

One-way from

$111
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$352
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. Reagan-National to Costa Rica
Search Deals
One-way flight from Washington, D.C. Reagan-National to Costa Rica
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($51 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 January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 January 27, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Costa Rica that are best for you.

Fly from

Reagan-National

Fly to

Costa Rica

Route

Depart

Return

Price

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Mon 3/9

5:59 am-11:13 am

1 stop7h 14m

Liberia

Mon 3/16

1:32 pm-8:59 am

1 stop17h 27m

$275

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Thu 4/16

6:00 am-12:10 pm

1 stop8h 10m

Liberia

Mon 4/20

3:25 pm-11:35 am

1 stop18h 10m

$287

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Sun 2/22

6:00 am-6:37 pm

1 stop13h 37m

Liberia

Sat 2/28

8:35 am-11:50 pm

1 stop14h 15m

$289

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Mon 2/9

7:59 pm-1:10 pm

1 stop18h 11m

Liberia

Sat 2/14

8:35 am-10:06 pm

1 stop12h 31m

$291

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Mon 2/9

6:00 am-1:10 pm

1 stop8h 10m

Liberia

Sun 2/15

8:35 am-6:44 pm

1 stop9h 09m

$291

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Tue 2/3

6:00 am-1:10 pm

1 stop8h 10m

Liberia

Sun 2/8

2:01 pm-11:59 pm

1 stop8h 58m

$291

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Mon 2/9

5:55 am-2:13 pm

2 stops9h 18m

Liberia

Sat 2/14

3:13 pm-10:59 am

1 stop18h 46m

$296

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Fri 2/6

6:00 am-6:37 pm

1 stop13h 37m

Liberia

Mon 2/9

8:35 am-11:59 pm

1 stop14h 24m

$296

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Tue 2/24

7:25 am-12:55 pm

1 stop6h 30m

Liberia

Fri 2/27

2:00 pm-10:31 pm

1 stop7h 31m

$305

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Sun 2/22

7:00 am-12:55 pm

1 stop6h 55m

Liberia

Fri 2/27

2:00 pm-10:31 pm

1 stop7h 31m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 46 results
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Best time to book a flight from Reagan-National to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Reagan-National 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. Reagan-National Airport to Costa Rica

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Costa Rica (average of $168). Flying from Washington, D.C. Reagan-National Airport to Costa Rica in March is currently the most expensive (average of $299). 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.

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 January 27, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Washington, D.C. Reagan-National Airport to Costa Rica by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,123 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

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
8,123 reviews
Delta
7.9
Good
8,123 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

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
9,209 reviews
Delta
7.9
Good
8,123 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

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
7.2
Good
11,201 reviews
Delta
7.9
Good
8,123 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

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.
JetBlue
7.2
Good
2,890 reviews
Delta
7.9
Good
8,123 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

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
6.6
Okay
2,487 reviews
Delta
7.9
Good
8,123 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

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 Reagan-National 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. Reagan-National Airport to Costa Rica?

    There are many flights that can get you from Washington, D.C. Reagan-National Airport to Costa Rica in 7h 14m. Fly via American Airlines or United Airlines to get the fastest option. Washington, D.C. Reagan-National Airport and Costa Rica are separated by a distance of 2020 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $100 on Southwest. Other airlines that offer cheap prices include United Airlines from $101 and American Airlines from $114 one-way.

  • Can I find deals for flights from Reagan-National to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Costa Rica?

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

  • Can I find deals for business class flights from Reagan-National to Costa Rica?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Costa Rica?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Costa Rica (average of $168). Flying from Washington, D.C. Reagan-National Airport to Costa Rica in March is currently the most expensive (average of $299). 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

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Alternative routes for Reagan-National to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Reagan-National to Costa Rica

Discover the top 7 airlines that operate flights from Reagan-National 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$212Average$511FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$235Average$436FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$244Average$442FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$250Average$498FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$262Average$585FlexibilityNo cancel feeOn-time63%
AviancaCheapest$268Average$427FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$272Average$325FlexibilityNo cancel feeOn-time70%

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