HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$158+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SJO
Aug 21 — Aug 281
Fri 8/21
Fri 8/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to Costa Rica with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 22, 2026.

This United Airlines deal was found by Cheapflights users on 7/21. 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.
Mon 10/267:29 pm
DCA
-
LIR
1 stop18h 41m
United Airlines
Thu 10/291:20 pm
LIR
-
DCA
1 stop8h 33m
United Airlines
Deal found 7/21$350
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 9/125:00 am
DCA
-
LIR
1 stop10h 18m
American Airlines
Wed 9/162:47 pm
LIR
-
DCA
1 stop7h 44m
American Airlines
Deal found 7/21$353
This American Airlines deal was found by Cheapflights users on 7/20. 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 10/265:00 am
DCA
-
LIR
1 stop10h 18m
American Airlines
Thu 10/292:45 pm
LIR
-
DCA
2 stops15h 14m
American Airlines
Deal found 7/20$355
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Fri 9/117:32 am
DCA
-
LIR
1 stop8h 15m
American Airlines
Mon 9/142:18 pm
LIR
-
DCA
1 stop16h 41m
American Airlines
Deal found 7/21$356
This American Airlines deal was found by Cheapflights users on 7/19. 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 9/75:00 am
DCA
-
LIR
1 stop8h 29m
American Airlines
Fri 9/112:47 pm
LIR
-
DCA
1 stop7h 44m
American Airlines
Deal found 7/19$358
This United Airlines deal was found by Cheapflights users on 7/17. 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 7/208:20 am
DCA
-
LIR
1 stop8h 05m
United Airlines
Wed 7/224:30 pm
LIR
-
DCA
1 stop13h 16m
United Airlines
Deal found 7/17$360
This American Airlines deal was found by Cheapflights users on 7/19. 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 10/35:25 pm
DCA
-
LIR
1 stop21h 53m
American Airlines
Sat 10/102:45 pm
LIR
-
DCA
1 stop16h 20m
American Airlines
Deal found 7/19$365
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:13 pm
DCA
-
LIR
2 stops17h 05m
American Airlines
Mon 11/23:17 pm
LIR
-
DCA
1 stop18h 43m
American Airlines
Deal found 7/22$366
This United Airlines deal was found by Cheapflights users on 7/19. 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 10/256:00 am
DCA
-
LIR
1 stop8h 10m
United Airlines
Sun 11/88:45 am
LIR
-
DCA
1 stop11h 11m
United Airlines
Deal found 7/19$370
This American Airlines deal was found by Cheapflights users on 7/20. 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 9/185:00 am
DCA
-
LIR
1 stop10h 18m
American Airlines
Tue 9/292:47 pm
LIR
-
DCA
1 stop7h 44m
American Airlines
Deal found 7/20$371
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Fri 8/282:54 pm
DCA
-
SJO
1 stop6h 58m
American Airlines
Thu 9/32:56 pm
SJO
-
DCA
1 stop8h 01m
American Airlines
Deal found 7/21$378
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 10/215:00 am
DCA
-
SJO
1 stop17h 05m
American Airlines
Tue 10/276:00 am
SJO
-
DCA
1 stop10h 59m
American Airlines
Deal found 7/21$386

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 July 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$350
(United Airlines)

One-way from

$158
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$506
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. 9% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 22, 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

Sun 11/1

6:00 am-1:10 pm

1 stop8h 10m

Liberia

Sun 11/8

8:45 am-8:56 pm

1 stop11h 11m

$370

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Fri 10/23

8:10 pm-11:53 am

1 stop17h 43m

Liberia

Fri 11/6

2:20 pm-11:53 pm

1 stop8h 33m

$383

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Thu 9/24

12:55 pm-6:40 pm

1 stop7h 45m

San José Juan Santamaria Intl

Mon 9/28

9:00 am-10:30 pm

2 stops11h 30m

$414

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Tue 9/29

6:00 am-11:54 am

1 stop7h 54m

San José Juan Santamaria Intl

Fri 10/9

1:23 pm-11:45 pm

1 stop8h 22m

$461

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Mon 9/21

6:00 am-12:21 pm

1 stop8h 21m

San José Juan Santamaria Intl

Wed 9/23

1:25 pm-11:59 pm

1 stop8h 34m

$478

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Fri 9/4

7:29 pm-7:37 pm

1 stop26h 08m

San José Juan Santamaria Intl

Mon 9/7

7:55 am-11:59 pm

1 stop14h 04m

$519
Quickest round-trip

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Wed 9/30

6:59 am-11:54 am

1 stop6h 55m

San José Juan Santamaria Intl

Mon 10/5

1:19 pm-11:43 pm

1 stop8h 24m

$522

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Sat 8/22

6:00 am-12:15 pm

1 stop8h 15m

San José Juan Santamaria Intl

Sun 8/30

12:35 pm-8:30 am

2 stops17h 55m

$584

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Sat 9/5

10:00 am-6:00 pm

2 stops10h 00m

San José Juan Santamaria Intl

Wed 9/9

9:00 am-11:55 pm

2 stops12h 55m

$595

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Wed 8/19

1:04 pm-7:15 am

2 stops20h 11m

San José Juan Santamaria Intl

Wed 8/26

1:25 pm-11:59 pm

1 stop8h 34m

$620

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Showing 1-10 of 39 resultsSorted by cheapest first
1
2
3
4

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, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Costa Rica (average of $339). Flying from Washington, D.C. Reagan-National Airport to Costa Rica in April is currently the most expensive (average of $688). 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 11 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 July 22, 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
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,477 reviews
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
United Airlines
7.4
Good
10,019 reviews
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,835 reviews
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
JetBlue
7.1
Good
3,019 reviews
Southwest
8.0
Very good
4,240 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

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 45m. Fly via United Airlines, Southwest, or Delta to get the fastest option. Washington, D.C. Reagan-National Airport and Costa Rica are separated by a distance of 2041 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 $117 and JetBlue from $167 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, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Costa Rica (average of $339). Flying from Washington, D.C. Reagan-National Airport to Costa Rica in April is currently the most expensive (average of $688). 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 5 airlines flying from Reagan-National to Costa Rica

Discover the top 5 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 July 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$455FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$224Average$416FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$235Average$467FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$261Average$539FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$262Average$632FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.