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$136+ Cheap flights from Dulles Intl (IAD) 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.
IAD — SJO
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Dulles Intl to Costa Rica

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Costa Rica (CR0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from Dulles Intl to Costa Rica

Cheapest flights from Dulles Intl to Costa Rica
Explore the most affordable flight options available from Dulles Intl to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/284:00 pmIAD - SJO
1 stop6h 53mDelta
Thu 12/52:12 pmSJO - IAD
1 stop8h 54mDelta
Deal found 11/19$295
This American Airlines deal was found by Cheapflights users on 11/20. 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 12/98:00 pmIAD - SJO
2 stops18h 51mAmerican Airlines
Thu 12/123:35 pmSJO - IAD
2 stops16h 04mAmerican Airlines
Deal found 11/20$297
This Cheapflightsfares deal was found by Cheapflights users on 11/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:55 pmIAD - SJO
Nonstop4h 50mAvianca
Tue 12/105:00 pmSJO - IAD
Nonstop4h 35mAvianca
Deal found 11/21$306
This Cheapflightsfares deal was found by Cheapflights users on 11/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/11:00 pmIAD - SJO
1 stop22h 17mVolaris
Wed 12/111:06 pmSJO - IAD
1 stop21h 03mVolaris
Deal found 11/21$314
This Orbitz deal was found by Cheapflights users on 11/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/51:00 pmIAD - SJO
1 stop22h 17mMultiple Airlines
Sat 12/75:00 pmSJO - IAD
Nonstop4h 35mMultiple Airlines
Deal found 11/19$318
This Fly & Visit Rome deal was found by Cheapflights users on 11/20. 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 Fly & Visit Rome is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/231:00 pmIAD - SJO
1 stop22h 17mVolaris El Salvador
Wed 11/273:06 pmSJO - IAD
1 stop19h 03mVolaris El Salvador
Deal found 11/20$334
This Delta deal was found by Cheapflights users on 11/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/286:00 amIAD - LIR
1 stop7h 43mDelta
Fri 12/62:20 pmLIR - IAD
1 stop8h 36mDelta
Deal found 11/21$344
This Copa Airlines deal was found by Cheapflights users on 11/21. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/251:14 amIAD - SJO
1 stop7h 11mCopa Airlines
Wed 12/45:20 pmSJO - IAD
1 stop9h 02mCopa Airlines
Deal found 11/21$356
This United Airlines deal was found by Cheapflights users on 11/21. 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.
Tue 12/37:00 amIAD - LIR
1 stop11h 57mUnited Airlines
Sat 12/144:54 pmLIR - IAD
1 stop12h 38mUnited Airlines
Deal found 11/21$375
This Air Canada deal was found by Cheapflights users on 11/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/272:35 pmIAD - LIR
1 stop24h 55mAir Canada
Wed 12/43:30 pmLIR - IAD
1 stop21h 21mAir Canada
Deal found 11/21$378
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Sat 11/2310:30 pmIAD - SJO
1 stop13h 55mUnited Airlines
Tue 11/262:20 pmSJO - IAD
1 stop20h 11mUnited Airlines
Deal found 11/19$389
This American Airlines deal was found by Cheapflights users on 11/21. 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.
Tue 11/266:16 amIAD - LIR
1 stop9h 03mAmerican Airlines
Tue 12/31:50 pmLIR - IAD
2 stops19h 39mAmerican Airlines
Deal found 11/21$432

Find flights from Dulles Intl to Costa Rica within your budget

Customize your flight search to find flights from Dulles Intl 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 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Wed 2/12

4:30 am-1:35 pm

1 stop10h 05m

San José Juan Santamaria Intl

Fri 2/21

11:15 am-11:09 am

1 stop22h 54m

$295

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Sat 1/18

1:30 am-7:35 am

Nonstop7h 05m

San José Juan Santamaria Intl

Tue 1/28

5:00 pm-10:35 pm

Nonstop4h 35m

$296

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Sun 1/19

1:00 pm-10:17 am

1 stop22h 17m

San José Juan Santamaria Intl

Sun 1/26

11:15 am-11:09 am

1 stop22h 54m

$301

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Wed 1/29

6:00 am-2:36 pm

1 stop9h 36m

Liberia

Wed 2/5

4:01 pm-12:18 am

1 stop7h 17m

$303

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Sun 5/11

1:24 am-8:52 am

1 stop9h 28m

San José Juan Santamaria Intl

Fri 5/16

9:51 am-12:10 am

1 stop12h 19m

$303

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Wed 2/5

5:04 pm-12:11 pm

2 stops20h 07m

San José Juan Santamaria Intl

Thu 2/13

6:00 am-4:12 pm

1 stop9h 12m

$304

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Mon 2/3

8:05 pm-12:30 pm

1 stop17h 25m

Liberia

Wed 2/12

3:35 pm-1:18 pm

2 stops20h 43m

$308

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Sat 1/25

3:24 pm-7:35 am

1 stop17h 11m

San José Juan Santamaria Intl

Sat 2/1

2:28 pm-3:15 am

1 stop11h 47m

$316

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Mon 1/27

6:00 am-1:08 pm

1 stop8h 08m

Liberia

Fri 1/31

5:15 pm-7:28 am

1 stop13h 13m

$343

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Wed 12/4

3:55 pm-1:45 pm

1 stop22h 50m

Liberia

Wed 12/11

3:30 pm-1:51 pm

1 stop21h 21m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 31 results
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Best time to book a flight from Dulles Intl to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Dulles Intl 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.

Travel insights for flights from Dulles Intl to Costa Rica

Get recent, data-driven insights about flights from Dulles Intl to Costa Rica including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Costa Rica (average of $398). Flying from Washington, D.C. Dulles Intl Airport to Costa Rica in July is currently the most expensive (average of $531). 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 IAD to CR?

Find hourly flight availability from Dulles Intl 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 November 21, 2024.

When flying from Washington, D.C. Dulles Intl Airport to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 November 21, 2024.
Read through reviews of airlines operating flights from Washington, D.C. to Costa Rica, such as Avianca, American Airlines and Volaris. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,005 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,755 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,464 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Copa Airlines
7.8
Good
1,779 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,005 reviews

Comfort

8.1

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Costa Rica one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $136. Users have also found prices from $141 and $150 on United Airlines and Volaris El Salvador, respectively.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Costa Rica?

    On average you can expect to pay $444 for a flight from Washington, D.C. Dulles Intl Airport to Costa Rica. The cheapest flight overall is $148 while the most popular route, (Washington, D.C. Dulles Intl - San José Juan Santamaria Intl) is currently priced at $234.

  • Can I find deals for flights from Dulles Intl to Costa Rica that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Costa Rica?

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

  • Can I find deals for business class flights from Dulles Intl to Costa Rica?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Costa Rica (average of $398). Flying from Washington, D.C. Dulles Intl Airport to Costa Rica in July is currently the most expensive (average of $531). 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 Dulles Intl to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to San Salvador flights
Dulles Intl to Panama City flights
Dulles Intl to San José flights
Baltimore to San Salvador flights
Reagan-National to San Salvador flights
Dulles Intl to Guatemala City flights
Baltimore to San José flights
Reagan-National to San José flights
Baltimore to Panama City flights
Reagan-National to Panama City flights
Baltimore to Guatemala City flights
Reagan-National to Guatemala City flights
Dulles Intl to Philip S.W.Goldson flights
Dulles Intl to Liberia flights
Baltimore to Philip S.W.Goldson flights
Reagan-National to Philip S.W.Goldson flights
Reagan-National to Liberia flights
Baltimore to Liberia flights
Dulles Intl to San Pedro Sula flights
Dulles Intl to Managua flights
Baltimore to San Pedro Sula flights
Dulles Intl to Coxen Hole flights
Reagan-National to San Pedro Sula flights
Baltimore to Coxen Hole flights
Reagan-National to Coxen Hole flights
Reagan-National to Managua flights
Baltimore to Managua flights
Dulles Intl to David flights
Dulles Intl to Flores flights
Baltimore to David flights
Reagan-National to David flights
Baltimore to Tegucigalpa flights
Dulles Intl to Tegucigalpa flights
Dulles Intl to Bocas del Toro flights
Reagan-National to Tegucigalpa flights
Dulles Intl to Placencia flights
Dulles Intl to Belmopan flights
Dulles Intl to San Pedro Town flights

Top 7 airlines flying from Dulles Intl to Costa Rica

Discover the top 7 airlines that operate flights from Dulles Intl 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Volaris El SalvadorCheapest$179Average$291FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$188Average$657FlexibilityNo cancel feeOn-time69%
AviancaCheapest$205Average$352FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$217Average$551FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$268Average$427FlexibilityNo cancel feeOn-time70%
DeltaCheapest$269Average$517FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$526Average$581FlexibilityNo cancel feeOn-time62%
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