HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$156+ Cheap flights from Costa Rica to Dulles Intl (IAD)

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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — IAD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Costa Rica to Dulles Intl 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 Costa Rica to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Costa Rica (CR0) to Dulles Intl (IAD). 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 January 21, 2025.

Round-trip from

$241
(eDestinos)

One-way from

$156
(OneTravel)

Good round-trip deal

$383 or less

Good one-way deal

$248 or less
From Costa Rica to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Costa Rica to Washington, D.C. Dulles Intl
Search Deals
Price to beat on a round-trip flight from Costa Rica to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Costa Rica to Washington, D.C. Dulles Intl.
Search Deals

Find flight deals from Costa Rica to Dulles Intl

Cheapest flights from Costa Rica to Dulles Intl
Explore the most affordable flight options available from Costa Rica to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This eDestinos deal was found by Cheapflights users on 1/21. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/49:51 amSJO - IAD
1 stop12h 19mVolaris El Salvador
Sun 4/62:00 pmIAD - SJO
1 stop20h 52mVolaris El Salvador
Deal found 1/21$241
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 3/125:30 amSJO - IAD
1 stop8h 46mUnited Airlines
Tue 3/1810:20 pmIAD - SJO
1 stop23h 19mUnited Airlines
Deal found 1/21$246
This eDestinos deal was found by Cheapflights users on 1/21. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/61:46 pmSJO - IAD
1 stop8h 11mMultiple Airlines
Sat 3/83:00 amIAD - SJO
1 stop9h 14mMultiple Airlines
Deal found 1/21$255
This Copa Airlines deal was found by Cheapflights users on 1/21. 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.
Thu 1/303:06 pmSJO - IAD
1 stop11h 07mCopa Airlines
Sun 2/93:34 pmIAD - SJO
1 stop17h 34mCopa Airlines
Deal found 1/21$256
This American Airlines deal was found by Cheapflights users on 1/21. 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 2/113:14 pmSJO - IAD
2 stops21h 08mAmerican Airlines
Mon 2/176:31 pmIAD - SJO
2 stops18h 42mAmerican Airlines
Deal found 1/21$283
This Avianca deal was found by Cheapflights users on 1/21. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:20 pmSJO - IAD
1 stop6h 55mAvianca
Mon 9/225:05 pmIAD - SJO
1 stop8h 30mAvianca
Deal found 1/21$295
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/161:20 pmLIR - IAD
1 stop8h 31mUnited Airlines
Sat 11/88:00 pmIAD - LIR
1 stop21h 08mUnited Airlines
Deal found 1/20$300
This American Airlines deal was found by Cheapflights users on 1/21. 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 2/263:45 pmLIR - IAD
2 stops20h 33mAmerican Airlines
Mon 3/36:31 pmIAD - LIR
2 stops20h 24mAmerican Airlines
Deal found 1/21$313
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:00 amLIR - IAD
2 stops17h 55mAlaska Airlines
Sat 11/87:55 pmIAD - LIR
2 stops23h 40mAlaska Airlines
Deal found 1/20$700
This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/286:40 pmLIR - IAD
3 stops27h 17mMultiple Airlines
Tue 2/42:35 pmIAD - LIR
2 stops24h 10mMultiple Airlines
Deal found 1/21$840
This Air Canada deal was found by Cheapflights users on 1/21. 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.
Sat 2/89:00 amLIR - IAD
1 stop11h 21mAir Canada
Thu 2/1310:15 pmIAD - LIR
2 stops16h 30mAir Canada
Deal found 1/21$3,027

Find flights from Costa Rica to Dulles Intl within your budget

Customize your flight search to find flights from Costa Rica to Dulles Intl 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Fri 4/4

9:51 am-12:10 am

1 stop12h 19m

Washington, D.C. Dulles Intl

Sun 4/6

2:00 pm-8:52 am

1 stop20h 52m

$241

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 3/12

5:30 am-4:16 pm

1 stop8h 46m

Washington, D.C. Dulles Intl

Tue 3/18

10:20 pm-7:39 pm

1 stop23h 19m

$246

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 3/6

1:46 pm-10:57 pm

1 stop8h 11m

Washington, D.C. Dulles Intl

Sat 3/8

3:00 am-10:14 am

1 stop9h 14m

$255

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Fri 1/31

6:09 pm-3:15 am

1 stop8h 06m

Washington, D.C. Dulles Intl

Thu 2/6

3:34 pm-7:35 am

1 stop17h 01m

$256

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Tue 2/11

3:14 pm-1:22 pm

2 stops21h 08m

Washington, D.C. Dulles Intl

Mon 2/17

6:31 pm-12:13 pm

2 stops18h 42m

$283

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 3/5

7:50 pm-3:10 am

1 stop6h 20m

Washington, D.C. Dulles Intl

Sun 3/9

4:50 pm-11:20 pm

1 stop8h 30m

$296

LiberiaWashington, D.C.

LIR - IAD

LIRIAD

Liberia

Wed 2/26

3:45 pm-1:18 pm

2 stops20h 33m

Washington, D.C. Dulles Intl

Mon 3/3

6:31 pm-1:55 pm

2 stops20h 24m

$313

LiberiaWashington, D.C.

LIR - IAD

LIRIAD

Liberia

Wed 2/26

8:50 am-9:03 pm

1 stop11h 13m

Washington, D.C. Dulles Intl

Mon 3/3

5:15 pm-4:08 pm

1 stop23h 53m

$356

LiberiaWashington, D.C.

LIR - IAD

LIRIAD

Liberia

Wed 2/26

7:02 pm-5:32 am

3 stops33h 30m

Washington, D.C. Dulles Intl

Mon 3/3

5:18 pm-5:52 pm

3 stops25h 34m

$703

LiberiaWashington, D.C.

LIR - IAD

LIRIAD

Liberia

Fri 3/7

5:10 pm-8:41 pm

3 stops26h 31m

Washington, D.C. Dulles Intl

Thu 3/13

2:22 am-1:10 pm

2 stops12h 48m

$1,308

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 25 results
1
2
3

Best time to book a flight from Costa Rica to Dulles Intl

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

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

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

Currently, August is the cheapest month in which you can book a flight from Costa Rica to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Costa Rica to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 CR to IAD?

Find hourly flight availability from Costa Rica to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

One of the essential ways to save on airfare from Costa Rica to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 44% on airfare.

What is the cheapest day to fly from Costa Rica to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Costa Rica to Dulles Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Costa Rica to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated January 21, 2025.
See what other customers who have flown with United Airlines, Volaris El Salvador and American Airlines from Costa Rica to Washington, D.C. have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,706 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Copa Airlines
7.7
Good
1,662 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,985 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Comfort

7.9

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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

    For one-way options, check prices for Volaris El Salvador. According to our data, you can fly for as low as $156. Users have also found prices from $159 and $166 on Copa Airlines and American Airlines, respectively.

  • What are the most reliable airlines from Costa Rica to Washington, D.C. Dulles Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Costa Rica to Washington, D.C. Dulles Intl Airport consider choosing United Airlines (75%), Avianca (72%) or Avianca Costa Rica (72%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Costa Rica to Washington, D.C. Dulles Intl Airport? While on average our users pay $553, our data indicates the cheapest price to be $138. The most popular route (San José Juan Santamaria Intl - Washington, D.C. Dulles Intl), is priced around $220.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Costa Rica to Dulles Intl 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 Costa Rica to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Costa Rica to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Costa Rica to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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

Traveling to a place near Costa Rica?

Book flights to Costa Rica if you plan to visit one of these locations
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Greenbelt
Sterling
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston

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.

Alternative routes for Costa Rica to Dulles Intl

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

Top 5 airlines flying from Costa Rica to Dulles Intl

Discover the top 5 airlines that operate flights from Costa Rica to Dulles Intl. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$202Average$278FlexibilityNo cancel feeOn-time71%
AviancaCheapest$204Average$329FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$205Average$351FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$260Average$367FlexibilityNo cancel feeOn-time70%
DeltaCheapest$280Average$342FlexibilityNo cancel feeOn-timeN/A
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.