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$144+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SJO
Jul 13 — Jul 201
Mon 7/13
Mon 7/20
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 June 13, 2026.

This United Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 11/911:00 am
DCA
-
LIR
1 stop8h 37m
United Airlines
Fri 11/138:35 am
LIR
-
DCA
1 stop11h 00m
United Airlines
Deal found 6/10$276
This United Airlines deal was found by Cheapflights users on 6/10. 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 11/86:00 am
DCA
-
LIR
1 stop8h 10m
United Airlines
Fri 11/138:35 am
LIR
-
DCA
1 stop11h 00m
United Airlines
Deal found 6/10$296
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:45 pm
DCA
-
LIR
1 stop17h 15m
Delta
Wed 9/161:25 pm
LIR
-
DCA
1 stop8h 18m
Delta
Deal found 6/11$306
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 9/16:00 am
DCA
-
LIR
1 stop8h 10m
United Airlines
Sat 9/51:20 pm
LIR
-
DCA
1 stop8h 39m
United Airlines
Deal found 6/11$319
This American Airlines deal was found by Cheapflights users on 6/10. 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 6/145:00 am
DCA
-
LIR
1 stop8h 22m
American Airlines
Tue 6/162:45 pm
LIR
-
DCA
1 stop7h 56m
American Airlines
Deal found 6/10$320
This American Airlines deal was found by Cheapflights users on 6/9. 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 6/138:10 pm
DCA
-
LIR
1 stop17h 12m
American Airlines
Tue 6/162:45 pm
LIR
-
DCA
2 stops15h 14m
American Airlines
Deal found 6/9$325
This American Airlines deal was found by Cheapflights users on 6/9. 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 7/137:07 pm
DCA
-
LIR
1 stop18h 23m
American Airlines
Thu 7/163:40 pm
LIR
-
DCA
1 stop15h 23m
American Airlines
Deal found 6/9$327
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 6/237:28 pm
DCA
-
LIR
1 stop18h 42m
United Airlines
Wed 7/811:10 am
LIR
-
DCA
1 stop9h 05m
United Airlines
Deal found 6/11$328
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 7/76:00 am
DCA
-
LIR
1 stop8h 10m
United Airlines
Wed 7/154:30 pm
LIR
-
DCA
1 stop13h 16m
United Airlines
Deal found 6/10$330
This American Airlines deal was found by Cheapflights users on 6/10. 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 9/15:00 am
DCA
-
LIR
1 stop8h 27m
American Airlines
Sat 9/52:15 pm
LIR
-
DCA
1 stop18h 45m
American Airlines
Deal found 6/10$346
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 6/126:23 am
DCA
-
LIR
1 stop7h 12m
American Airlines
Tue 6/162:45 pm
LIR
-
DCA
1 stop7h 56m
American Airlines
Deal found 6/9$350
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 8/46:00 am
DCA
-
SJO
1 stop8h 21m
United Airlines
Wed 9/161:25 pm
SJO
-
DCA
1 stop8h 34m
United Airlines
Deal found 6/9$354

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 June 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$276
(United Airlines)

One-way from

$144
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$435
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 ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 13, 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

Cheapest round-trip

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Tue 7/7

6:00 am-2:25 pm

1 stop10h 25m

Liberia

Wed 7/15

3:27 pm-11:56 am

1 stop18h 29m

$440

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Sat 8/15

4:38 pm-12:21 pm

1 stop21h 43m

San José Juan Santamaria Intl

Wed 12/16

8:45 am-6:25 pm

1 stop8h 40m

$453

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Mon 8/31

6:59 am-12:00 pm

1 stop7h 01m

Liberia

Fri 9/18

1:25 pm-11:43 pm

1 stop8h 18m

$466

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Fri 7/3

4:59 pm-9:50 am

1 stop18h 51m

Liberia

Tue 7/7

1:20 pm-11:59 pm

1 stop8h 39m

$475

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Tue 8/11

6:00 am-12:21 pm

1 stop8h 21m

San José Juan Santamaria Intl

Sat 9/19

7:55 am-8:55 pm

1 stop11h 00m

$476

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Mon 8/10

6:00 am-12:21 pm

1 stop8h 21m

San José Juan Santamaria Intl

Wed 9/23

7:55 am-11:59 pm

1 stop14h 04m

$476

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Wed 8/12

6:00 am-7:37 pm

1 stop15h 37m

San José Juan Santamaria Intl

Mon 9/21

7:55 am-9:05 pm

1 stop11h 10m

$476

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Wed 7/22

6:00 am-12:21 pm

1 stop8h 21m

San José Juan Santamaria Intl

Tue 7/28

12:30 am-11:56 am

1 stop9h 26m

$502

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Wed 6/24

6:00 am-2:25 pm

1 stop10h 25m

Liberia

Sun 6/28

3:27 pm-10:15 pm

1 stop28h 48m

$504

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Sun 8/23

6:00 am-11:35 am

1 stop7h 35m

San José Juan Santamaria Intl

Mon 8/31

9:00 am-11:55 pm

1 stop12h 55m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 45 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 $132). Flying from Washington, D.C. Reagan-National Airport to Costa Rica in June is currently the most expensive (average of $374). 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.

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Costa Rica?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Reagan-National Airport to Costa Rica, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 June 13, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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.
Southwest
7.9
Good
4,235 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Southwest
7.9
Good
4,235 reviews
Southwest
7.9
Good
4,235 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Delta
7.9
Good
8,405 reviews
Southwest
7.9
Good
4,235 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
United Airlines
7.4
Good
9,818 reviews
Southwest
7.9
Good
4,235 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
American Airlines
7.1
Good
11,648 reviews
Southwest
7.9
Good
4,235 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
JetBlue
7.1
Good
2,979 reviews
Southwest
7.9
Good
4,235 reviews

Overall

7.9

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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 01m. Fly via United Airlines or Delta 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 $101 on United Airlines. Other airlines that offer cheap prices include American Airlines from $114 and Southwest 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 $132). Flying from Washington, D.C. Reagan-National Airport to Costa Rica in June is currently the most expensive (average of $374). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 6 airlines flying from Reagan-National to Costa Rica

Discover the top 6 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 June 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$132Average$381FlexibilityNo cancel feeOn-time71%
DeltaCheapest$137Average$455FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$235Average$467FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$235Average$415FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$261Average$537FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$262Average$632FlexibilityNo cancel feeOn-time63%

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