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$112+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SJO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 12, 2025.

Round-trip from

$256
(United Airlines)

One-way from

$112
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$397
From Washington, D.C. Reagan-National to Costa Rica
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One-way flight from Washington, D.C. Reagan-National to Costa Rica
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Highest demand for flights based on searches. 16% potential increase in price ($77 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 12, 2025.

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.
Thu 6/122:56 pmDCA - SJO
1 stop9h 43mUnited Airlines
Sun 6/155:30 amSJO - DCA
1 stop11h 25mUnited Airlines
Deal found 6/11$256
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/76:55 amDCA - SJO
1 stop14h 00mSouthwest
Mon 8/118:50 amSJO - DCA
1 stop11h 35mSouthwest
Deal found 6/10$262
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.
Sat 9/611:59 amDCA - SJO
2 stops9h 43mAmerican Airlines
Sat 9/136:00 amSJO - DCA
1 stop15h 59mAmerican Airlines
Deal found 6/10$266
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.
Thu 9/46:00 amDCA - SJO
1 stop8h 10mDelta
Thu 9/111:18 pmSJO - DCA
1 stop8h 01mDelta
Deal found 6/11$277
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/255:55 amDCA - LIR
2 stops9h 31mAmerican Airlines
Wed 9/1712:49 pmLIR - DCA
2 stops16h 49mAmerican Airlines
Deal found 6/11$287
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 12/911:05 amDCA - LIR
1 stop7h 52mUnited Airlines
Tue 12/168:50 amLIR - DCA
2 stops12h 26mUnited Airlines
Deal found 6/11$329
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.
Wed 8/136:59 amDCA - LIR
1 stop7h 01mDelta
Wed 8/201:25 pmLIR - DCA
1 stop7h 20mDelta
Deal found 6/11$356
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:45 amDCA - SJO
1 stop8h 05mJetBlue
Thu 1/12:00 pmSJO - DCA
1 stop7h 59mJetBlue
Deal found 6/11$401
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amDCA - LIR
1 stop8h 55mAir Canada
Thu 11/203:00 pmLIR - DCA
1 stop18h 19mAir Canada
Deal found 6/11$416
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:58 pmDCA - LIR
2 stops22h 55mAlaska Airlines
Tue 8/1910:00 amLIR - DCA
2 stops29h 59mAlaska Airlines
Deal found 6/11$453
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:35 pmDCA - LIR
2 stops15h 30mSouthwest
Wed 11/122:45 pmLIR - DCA
2 stops17h 00mSouthwest
Deal found 6/11$536
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:00 amDCA - SJO
1 stop13h 15mAir Canada
Mon 12/89:00 amSJO - DCA
1 stop24h 19mAir Canada
Deal found 6/11$548

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 12, 2025.
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.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Sat 9/6

6:00 am-11:38 am

1 stop7h 38m

San José Juan Santamaria Intl

Mon 9/15

1:30 pm-11:54 pm

1 stop8h 24m

$256

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Thu 8/7

6:55 am-6:55 pm

1 stop14h 00m

San José Juan Santamaria Intl

Mon 8/11

8:50 am-10:25 pm

1 stop11h 35m

$262

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Sat 9/6

11:59 am-7:42 pm

2 stops9h 43m

San José Juan Santamaria Intl

Sat 9/13

6:00 am-11:59 pm

1 stop15h 59m

$266

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Thu 9/4

6:00 am-12:10 pm

1 stop8h 10m

San José Juan Santamaria Intl

Thu 9/11

1:18 pm-11:19 pm

1 stop8h 01m

$277

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Mon 8/25

5:55 am-1:26 pm

2 stops9h 31m

Liberia

Wed 9/17

12:49 pm-7:38 am

2 stops16h 49m

$287

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Tue 12/9

11:05 am-5:57 pm

1 stop7h 52m

Liberia

Tue 12/16

8:50 am-10:16 pm

2 stops12h 26m

$329

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Wed 8/13

6:59 am-12:00 pm

1 stop7h 01m

Liberia

Wed 8/20

1:25 pm-10:45 pm

1 stop7h 20m

$356

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Sat 10/25

6:25 am-1:02 pm

1 stop8h 37m

San José Juan Santamaria Intl

Sat 11/8

2:00 pm-10:57 pm

1 stop7h 57m

$402

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Thu 11/13

6:00 am-1:55 pm

1 stop8h 55m

Liberia

Thu 11/20

3:00 pm-10:19 am

1 stop18h 19m

$416

Washington, D.C.Liberia

DCA - LIR

DCALIR

Washington, D.C. Reagan-National

Wed 8/13

6:58 pm-3:53 pm

2 stops22h 55m

Liberia

Tue 8/19

10:00 am-5:59 pm

2 stops29h 59m

$453

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 27 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, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Costa Rica (average of $398). Flying from Washington, D.C. Reagan-National Airport to Costa Rica in March is currently the most expensive (average of $555). 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 DCA to CR?

Find hourly flight availability from Reagan-National 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Costa Rica as you normally would.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

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 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Washington, D.C. to Costa Rica. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Austrian Airlines
7.6
Good
802 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
LATAM Airlines
7.5
Good
1,785 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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.

  • 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 $112 on United Airlines. Other airlines that offer cheap prices include American Airlines from $115 and JetBlue from $136 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, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Costa Rica (average of $398). Flying from Washington, D.C. Reagan-National Airport to Costa Rica in March is currently the most expensive (average of $555). 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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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 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$246Average$584FlexibilityNo cancel feeOn-time63%
AviancaCheapest$271Average$484FlexibilityNo cancel feeOn-time71%
DeltaCheapest$272Average$460FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$293Average$579FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$309Average$520FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$372Average$644FlexibilityNo cancel feeOn-time62%

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