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.

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).

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 $223, our data indicates the cheapest price to be $127. The most popular route (San José Juan Santamaria Intl - Washington, D.C. Dulles Intl), is priced around $211.

What are the most popular airlines that fly from Costa Rica to Washington, D.C. Dulles Intl Airport?

The most popular airlines flying from Costa Rica to Washington, D.C. Dulles Intl Airport are American Airlines, Avianca and Copa Airlines. Something to consider prior to booking your flight.

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

Flights from Costa Rica to Washington, D.C. Dulles Intl Airport are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

How far in advance should I book a flight from Costa Rica to Washington, D.C. Dulles Intl Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 48 days in advance, which can save you up to 11% on flights from Costa Rica to Washington, D.C. Dulles Intl Airport compared to booking the week you need them. Waiting 48 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $237. For sooner than that we have options available in the next 3 days from $347.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, July can be a great choice for travel to Washington, D.C. Dulles Intl Airport. Flights to Washington, D.C. Dulles Intl Airport from Costa Rica in July are about $317 on average during July, but can be found for as low as $225.

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.

$132+ Cheap Flights from Costa Rica to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Costa Rica to Dulles Intl

Round-trip from	$218 (Avianca)
One-way from	$132 (United Airlines)
Popular in	December
Cheapest in	July
Average price	$297
Good round-trip deal	$238 or less
Good one-way deal	$138 or less

From Costa Rica to Washington, D.C. Dulles Intl

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One-way flight from Costa Rica to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 12% potential increase in price ($44 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Price to beat on a round-trip flight from Costa Rica to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from Costa Rica to Washington, D.C. Dulles Intl.

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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 August 14, 2025.

Tue 12/165:10 pmSJO - IAD

Nonstop4h 25mAvianca

Tue 1/1311:55 pmIAD - SJO

Nonstop4h 40mAvianca

Deal found 8/14

$218

Thu 8/215:10 pmSJO - IAD

Nonstop4h 35mAvianca

Sun 8/242:35 amIAD - SJO

1 stop8h 45mAvianca

Deal found 8/14

$220

Sun 10/197:45 pmSJO - IAD

1 stop6h 35mAvianca

Fri 10/245:05 pmIAD - SJO

1 stop8h 30mAvianca

Deal found 8/13

$221

Tue 9/93:05 pmSJO - IAD

1 stop9h 40mAvianca

Wed 9/175:05 pmIAD - SJO

1 stop8h 30mAvianca

Deal found 8/14

$222

Tue 9/24:20 pmSJO - IAD

1 stop6h 55mAvianca

Mon 9/84:05 amIAD - SJO

1 stop9h 10mAvianca

Deal found 8/13

$224

Mon 12/224:30 pmSJO - IAD

1 stop8h 10mAvianca

Sat 1/311:55 pmIAD - SJO

Nonstop4h 40mAvianca

Deal found 8/14

$225

Fri 9/51:20 pmLIR - IAD

1 stop8h 35mUnited Airlines

Tue 9/96:00 amIAD - LIR

1 stop8h 10mUnited Airlines

Deal found 8/13

$225

Fri 9/197:55 amSJO - IAD

1 stop12h 20mUnited Airlines

Tue 9/306:58 pmIAD - SJO

1 stop14h 17mUnited Airlines

Deal found 8/14

$226

Thu 8/148:45 amSJO - IAD

1 stop14h 00mUnited Airlines

Thu 8/2111:03 amIAD - SJO

1 stop10h 34mUnited Airlines

Deal found 8/13

$227

Thu 8/215:10 pmSJO - IAD

Nonstop4h 35mAvianca

Mon 9/82:35 amIAD - SJO

1 stop7h 05mAvianca

Deal found 8/14

$228

Mon 10/64:17 pmSJO - IAD

1 stop6h 37mVolaris El Salvador

Sat 10/112:25 pmIAD - SJO

1 stop18h 19mVolaris El Salvador

Deal found 8/14

$231

Tue 9/304:20 pmSJO - IAD

1 stop6h 55mAvianca

Tue 10/72:35 amIAD - SJO

1 stop7h 05mAvianca

Deal found 8/14

$236

Best flights from Costa Rica to Dulles Intl
Discover carefully curated flight deals from Costa Rica to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Tue 12/235:10 pmSJO - IAD

Nonstop4h 25mAvianca

Sat 1/311:55 pmIAD - SJO

Nonstop4h 40mAvianca

Deal found 8/14

$218

Fri 9/51:20 pmLIR - IAD

1 stop8h 35mUnited Airlines

Tue 9/96:00 amIAD - LIR

1 stop8h 10mUnited Airlines

Deal found 8/12

$225

Mon 12/221:21 pmLIR - IAD

2 stops18h 23mAmerican Airlines

Mon 1/55:15 pmIAD - LIR

2 stops20h 00mAmerican Airlines

Deal found 8/13

$240

Tue 12/165:10 pmSJO - IAD

Nonstop4h 25mAvianca

Tue 1/1311:55 pmIAD - SJO

Nonstop4h 40mAvianca

Deal found 8/14

$218

Sat 9/2712:49 pmLIR - IAD

2 stops20h 08mAmerican Airlines

Sat 10/47:17 pmIAD - LIR

2 stops18h 32mAmerican Airlines

Deal found 8/13

$240

Tue 1/135:10 pmSJO - IAD

Nonstop4h 25mAvianca

Tue 1/204:15 pmIAD - SJO

1 stop8h 25mAvianca

Deal found 8/13

$220

Mon 9/152:02 pmLIR - IAD

1 stop18h 55mAmerican Airlines

Fri 9/197:21 pmIAD - LIR

2 stops18h 28mAmerican Airlines

Deal found 8/13

$240

Fri 9/264:45 pmSJO - IAD

1 stop8h 00mAvianca

Mon 9/292:35 amIAD - SJO

1 stop7h 05mAvianca

Deal found 8/14

$220

Mon 10/2012:45 pmLIR - IAD

2 stops28h 09mAmerican Airlines

Mon 12/18:09 pmIAD - LIR

2 stops17h 07mAmerican Airlines

Deal found 8/14

$240

Tue 9/93:05 pmSJO - IAD

1 stop9h 40mAvianca

Tue 9/162:35 amIAD - SJO

1 stop7h 05mAvianca

Deal found 8/14

$220

Thu 9/43:05 pmSJO - IAD

1 stop9h 40mAvianca

Mon 9/82:35 amIAD - SJO

1 stop7h 05mAvianca

Deal found 8/14

$220

Thu 11/209:35 amSJO - IAD

1 stop6h 20mAvianca

Tue 12/211:55 pmIAD - SJO

Nonstop4h 40mAvianca

Deal found 8/12

$220

Last-minute flights from Costa Rica to Dulles Intl
Discover last-minute flight deals from Costa Rica to Dulles Intl. Data last updated August 14, 2025 and is based on user searches.

Thu 8/148:45 amSJO - IAD

1 stop14h 00mUnited Airlines

Thu 8/2111:03 amIAD - SJO

1 stop10h 34mUnited Airlines

Deal found 8/13

$227

Wed 8/206:00 amSJO - IAD

2 stops24h 42mAmerican Airlines

Wed 8/277:44 amIAD - SJO

1 stop7h 11mAmerican Airlines

Deal found 8/13

$258

Wed 8/2010:05 amSJO - IAD

1 stop12h 23mCopa Airlines

Wed 8/278:59 amIAD - SJO

1 stop9h 35mCopa Airlines

Deal found 8/14

$286

Thu 8/215:10 pmSJO - IAD

Nonstop4h 35mAvianca

Sun 8/242:35 amIAD - SJO

1 stop8h 45mAvianca

Deal found 8/14

$220

Thu 8/215:10 pmSJO - IAD

Nonstop4h 35mAvianca

Mon 9/82:35 amIAD - SJO

1 stop7h 05mAvianca

Deal found 8/14

$228

Thu 8/215:10 pmSJO - IAD

Nonstop4h 35mAvianca

Wed 8/272:35 amIAD - SJO

1 stop8h 45mAvianca

Deal found 8/13

$239

Thu 8/212:40 pmSJO - IAD

2 stops17h 13mAmerican Airlines

Mon 8/257:44 amIAD - SJO

2 stops14h 31mAmerican Airlines

Deal found 8/14

$257

Thu 8/215:10 pmSJO - IAD

Nonstop4h 35mMultiple Airlines

Thu 8/282:25 pmIAD - SJO

1 stop18h 19mMultiple Airlines

Deal found 8/13

$269

Fri 8/226:00 amSJO - IAD

2 stops24h 42mAmerican Airlines

Wed 8/277:25 pmIAD - SJO

2 stops24h 50mAmerican Airlines

Deal found 8/13

$263

Mon 8/255:10 pmSJO - IAD

Nonstop4h 35mAvianca

Sat 1/2411:55 pmIAD - SJO

Nonstop4h 40mAvianca

Deal found 8/14

$218

Tue 8/264:20 pmSJO - IAD

1 stop6h 55mAvianca

Thu 9/45:05 pmIAD - SJO

1 stop8h 30mAvianca

Deal found 8/13

$225

Tue 9/24:20 pmSJO - IAD

1 stop6h 55mAvianca

Mon 9/84:05 amIAD - SJO

1 stop9h 10mAvianca

Deal found 8/13

$224

One-way flights from Costa Rica to Dulles Intl
Search for one-way flight options from Costa Rica to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Fri 9/121:20 pmLIR - IAD

1 stop23h 43mUnited Airlines

Deal found 8/14

$132

Tue 9/301:20 pmLIR - IAD

1 stop8h 31mUnited Airlines

Deal found 8/14

$136

Mon 10/61:20 pmLIR - IAD

1 stop27h 43mUnited Airlines

Deal found 8/14

$137

Sat 9/272:02 pmLIR - IAD

1 stop18h 55mAmerican Airlines

Deal found 8/13

$141

Sun 12/79:35 amSJO - IAD

2 stops13h 35mAvianca

Deal found 8/14

$142

Wed 12/316:00 amSJO - IAD

1 stop17h 10mAvianca

Deal found 8/14

$143

Mon 12/15:10 pmSJO - IAD

Nonstop4h 25mAvianca

Deal found 8/14

$144

Mon 9/84:20 pmSJO - IAD

1 stop6h 55mAvianca

Deal found 8/14

$145

Sat 9/137:45 pmSJO - IAD

1 stop6h 35mAvianca

Deal found 8/14

$146

Wed 10/2912:45 pmLIR - IAD

2 stops19h 10mAmerican Airlines

Deal found 8/14

$146

Thu 9/113:05 pmSJO - IAD

1 stop11h 15mAvianca

Deal found 8/14

$147

Sun 9/142:01 pmLIR - IAD

1 stop18h 56mAmerican Airlines

Deal found 8/14

$147

Cheapflights Fare Finder

Use the filters below to find and compare flights from Costa Rica to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Tue 12/23

5:10 pm-10:35 pm

Nonstop4h 25m

Washington, D.C. Dulles Intl

Sat 1/3

11:55 pm-3:35 am

Nonstop4h 40m

$218

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Tue 12/16

5:10 pm-10:35 pm

Nonstop4h 25m

Washington, D.C. Dulles Intl

Tue 1/13

11:55 pm-3:35 am

Nonstop4h 40m

$218

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Tue 1/13

5:10 pm-10:35 pm

Nonstop4h 25m

Washington, D.C. Dulles Intl

Tue 1/20

4:15 pm-11:40 pm

1 stop8h 25m

$220

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Fri 9/26

4:45 pm-2:45 am

1 stop8h 00m

Washington, D.C. Dulles Intl

Mon 9/29

2:35 am-7:40 am

1 stop7h 05m

$220

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Tue 9/9

3:05 pm-2:45 am

1 stop9h 40m

Washington, D.C. Dulles Intl

Tue 9/16

2:35 am-7:40 am

1 stop7h 05m

$220

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 9/4

3:05 pm-2:45 am

1 stop9h 40m

Washington, D.C. Dulles Intl

Mon 9/8

2:35 am-7:40 am

1 stop7h 05m

$220

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Thu 11/20

9:35 am-4:55 pm

1 stop6h 20m

Washington, D.C. Dulles Intl

Tue 12/2

11:55 pm-3:35 am

Nonstop4h 40m

$220

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Sat 8/30

5:10 pm-11:45 pm

Nonstop4h 35m

Washington, D.C. Dulles Intl

Mon 9/8

5:05 pm-11:35 pm

1 stop8h 30m

$220

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Sat 8/30

5:10 pm-11:45 pm

Nonstop4h 35m

Washington, D.C. Dulles Intl

Sat 9/13

5:05 pm-11:35 pm

1 stop8h 30m

$220

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Fri 9/12

4:45 pm-4:20 am

1 stop9h 35m

Washington, D.C. Dulles Intl

Mon 9/15

4:05 am-8:40 am

1 stop6h 35m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 30 results

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.

Cheapflights Insights

Everything you need to know about your flight from Costa Rica to Washington, D.C. Dulles Intl Airport

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

Currently, July is the cheapest month in which you can book a flight from Costa Rica to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Costa Rica to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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?

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 40% on airfare.

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

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

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Costa Rica to Washington, D.C. Dulles Intl Airport, such as Copa Airlines, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Copa Airlines

7.5

Good

1,507 reviews

Reviews

1 / 20

4.0

Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.

Copa Airlines

7.5

Good

1,507 reviews

Copa Airlines

7.5

Good

1,507 reviews

Reviews

1 / 20

4.0

Okay

Paul,Jun 2025

PTY - MIA

United Airlines

7.4

Good

8,916 reviews

Copa Airlines

7.5

Good

1,507 reviews

Reviews

1 / 20

4.0

Okay

Paul,Jun 2025

PTY - MIA

American Airlines

7.2

Good

10,000 reviews

Copa Airlines

7.5

Good

1,507 reviews

Reviews

1 / 20

4.0

Okay

Paul,Jun 2025

PTY - MIA

Avianca

6.7

Okay

2,399 reviews

Copa Airlines

7.5

Good

1,507 reviews

Reviews

1 / 20

4.0

Okay

Paul,Jun 2025

PTY - MIA

Related info for your journey

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 $223, our data indicates the cheapest price to be $127. The most popular route (San José Juan Santamaria Intl - Washington, D.C. Dulles Intl), is priced around $211.
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, July is the cheapest month in which you can book a flight from Costa Rica to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Costa Rica to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Springfield

Fredericksburg

Gaithersburg

Towson

Linthicum Heights

Fairfax

Manassas

Falls Church

Laurel

Rockville

Oxon Hill

National Harbor

Dundalk

Waldorf

Bowie

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Costa Rica to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Volaris El Salvador	Cheapest$194	Average$266	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$220	Average$266	FlexibilityNo cancel fee	On-time71%
Avianca	Cheapest$234	Average$352	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$234	Average$291	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$237	Average$400	FlexibilityNo cancel fee	On-time69%
Copa Airlines	Cheapest$290	Average$358	FlexibilityNo cancel fee	On-time70%

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$132+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Costa Rica to Dulles Intl with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Costa Rica to Dulles Intl

Keep the following information in mind while searching for Costa Rica to Dulles Intl flight deals. Data was last updated August 14, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Costa Rica to Dulles Intl

Cheapest flights from Costa Rica to Dulles IntlExplore 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 August 14, 2025.

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 August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Costa Rica to Washington, D.C. Dulles Intl Airport that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Costa Rica to Washington, D.C. Dulles Intl Airport

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

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 August 14, 2025.

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.

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Costa Rica to Washington, D.C. Dulles Intl Airport, such as Copa Airlines, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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 flights from Costa Rica to Washington, D.C. Dulles Intl Airport?

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

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

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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.

Top 6 airlines flying from Costa Rica to Dulles Intl

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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 August 14, 2025.