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$110+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SJO
mar. 27 — abr. 31
vie. 3/27
vie. 4/3
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 febrero 25, 2026.

This KAYAK deal was found by Cheapflights users on 2/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/287:59 am
DCA
-
SJO
1 stop7h 21m
JetBlue
mar. 6/212:55 pm
SJO
-
DCA
1 stop7h 39m
JetBlue
Deal found 2/21$280
This United Airlines deal was found by Cheapflights users on 2/22. 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.
lun. 2/2312:47 pm
DCA
-
SJO
1 stop8h 52m
United Airlines
vie. 2/272:05 pm
SJO
-
DCA
1 stop18h 50m
United Airlines
Deal found 2/22$287
This United Airlines deal was found by Cheapflights users on 2/25. 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.
jue. 4/236:00 am
DCA
-
LIR
1 stop8h 10m
United Airlines
lun. 4/273:27 pm
LIR
-
DCA
1 stop18h 08m
United Airlines
Deal found 2/25$292
This American Airlines deal was found by Cheapflights users on 2/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/249:59 am
DCA
-
SJO
2 stops11h 13m
American Airlines
mié. 3/42:50 pm
SJO
-
DCA
1 stop8h 09m
American Airlines
Deal found 2/24$292
This American Airlines deal was found by Cheapflights users on 2/21. 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.
mié. 4/226:42 am
DCA
-
LIR
1 stop6h 46m
American Airlines
mié. 4/292:10 pm
LIR
-
DCA
1 stop16h 54m
American Airlines
Deal found 2/21$296
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/2211:05 am
DCA
-
SJO
1 stop10h 32m
United Airlines
mié. 4/297:55 am
SJO
-
DCA
1 stop8h 55m
United Airlines
Deal found 2/24$298
This Southwest deal was found by Cheapflights users on 2/24. 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.
jue. 4/166:00 am
DCA
-
SJO
1 stop8h 10m
Southwest
mié. 4/229:00 am
SJO
-
DCA
1 stop11h 25m
Southwest
Deal found 2/24$299
This American Airlines deal was found by Cheapflights users on 2/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/278:51 am
DCA
-
SJO
1 stop14h 52m
American Airlines
mié. 3/42:50 pm
SJO
-
DCA
1 stop8h 09m
American Airlines
Deal found 2/24$301
This American Airlines deal was found by Cheapflights users on 2/23. 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.
sáb. 5/167:10 pm
DCA
-
LIR
1 stop18h 18m
American Airlines
sáb. 5/232:47 pm
LIR
-
DCA
1 stop7h 54m
American Airlines
Deal found 2/23$302
This United Airlines deal was found by Cheapflights users on 2/21. 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.
mar. 2/2412:47 pm
DCA
-
SJO
1 stop8h 52m
United Airlines
sáb. 2/2812:35 pm
SJO
-
DCA
1 stop8h 31m
United Airlines
Deal found 2/21$302
This American Airlines deal was found by Cheapflights users on 2/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/510:00 am
DCA
-
SJO
2 stops11h 07m
American Airlines
mar. 5/126:30 am
SJO
-
DCA
1 stop11h 30m
American Airlines
Deal found 2/24$303
This American Airlines deal was found by Cheapflights users on 2/23. 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.
sáb. 4/257:46 pm
DCA
-
LIR
2 stops17h 38m
American Airlines
mar. 4/282:40 pm
LIR
-
DCA
1 stop17h 58m
American Airlines
Deal found 2/23$304

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 febrero 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$280
(KAYAK)

One-way from

$110
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$340
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. 13% potential increase in price ($60 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 February 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 febrero 25, 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

Fly to

Route

Depart

Return

Price

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

sáb. 4/25

6:00 am-2:25 pm

1 stop10h 25m

Liberia

dom. 5/3

3:27 pm-11:40 am

1 stop18h 13m

$296

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

sáb. 5/16

6:00 am-12:10 pm

1 stop8h 10m

Liberia

sáb. 5/23

11:10 am-10:15 pm

1 stop9h 05m

$296

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

vie. 4/17

7:59 pm-12:10 pm

1 stop18h 11m

Liberia

vie. 4/24

3:27 pm-11:35 am

1 stop18h 08m

$296

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

lun. 4/13

6:00 am-12:10 pm

1 stop8h 10m

Liberia

lun. 4/20

3:27 pm-11:35 am

1 stop18h 08m

$296

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

mar. 3/10

6:00 am-11:42 am

1 stop7h 42m

San José Juan Santamaria Intl

mié. 3/18

5:30 am-6:46 pm

1 stop11h 16m

$298

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

mar. 4/28

6:00 am-12:00 pm

1 stop8h 00m

Liberia

jue. 5/14

1:25 pm-11:44 pm

1 stop8h 19m

$306

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

sáb. 2/28

8:10 am-6:37 pm

1 stop11h 27m

Liberia

vie. 3/6

2:01 pm-11:59 pm

1 stop8h 58m

$344

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

vie. 3/6

6:00 am-12:42 pm

1 stop7h 42m

San José Juan Santamaria Intl

mié. 3/11

7:45 am-6:46 pm

1 stop9h 01m

$385

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

mié. 4/29

6:00 am-12:10 pm

1 stop8h 10m

Liberia

mar. 5/12

1:20 pm-11:58 pm

1 stop8h 38m

$406

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

mié. 4/29

6:00 am-12:10 pm

1 stop8h 10m

Liberia

mié. 5/13

1:20 pm-11:58 pm

1 stop8h 38m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 44 resultsSorted by cheapest first
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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 $279). 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 febrero 25, 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
8,238 reviews

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

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
8,238 reviews
Delta
7.9
Good
8,238 reviews

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

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
9,346 reviews
Delta
7.9
Good
8,238 reviews

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

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
11,343 reviews
Delta
7.9
Good
8,238 reviews

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

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
2,898 reviews
Delta
7.9
Good
8,238 reviews

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

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
2,497 reviews
Delta
7.9
Good
8,238 reviews

Entertainment

7.8

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

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 8h. Fly via United Airlines, Delta, or Southwest 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 $279). 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 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 febrero 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$132Average$381FlexibilityNo cancel feeOn-time71%
DeltaCheapest$180Average$446FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$235Average$401FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$244Average$442FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$250Average$475FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$262Average$587FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$272Average$325FlexibilityNo cancel feeOn-time70%

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