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 United Airlines. According to our data, you can fly for as low as $150. Users have also found prices from $151 and $152 on Avianca and American Airlines, respectively.

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 $492, our data indicates the cheapest price to be $207. The most popular route (San José Juan Santamaria Intl - Washington, D.C. Dulles Intl), is priced around $181.

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 Avianca (100%), Avianca Costa Rica (100%) or United Airlines (67%) as they are the most reliable in getting you off to your destination on time.

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 36 days in advance, which can save you up to 25% on flights from Costa Rica to Washington, D.C. Dulles Intl Airport compared to booking the week you need them. Waiting 36 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 $286. For sooner than that we have options available in the next 3 days from $352.

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, October 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 October are about $321 on average during October, but can be found for as low as $193.

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.

$363+ Flights from Costa Rica to Washington, D.C. Dulles Intl Airport

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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”

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Cheap flight deals from Costa Rica to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$237 (eDestinos)
One-way from	$150 (United Airlines)
Popular in	December
Cheapest in	October
Average price	$320
Good round-trip deal	$371 or less
Good one-way deal	$401 or less

Provider with most accurate pricing for San José Juan Santamaria Intl-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Washington, D.C. (WAS) flights.

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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. 6% potential increase in price ($22 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 31, 2025.

Mon 5/2611:15 amSJO - IAD

1 stop23h 05mVolaris El Salvador

Sun 6/12:22 amIAD - SJO

1 stop9h 52mVolaris El Salvador

Deal found 3/30

$237

Tue 8/125:00 pmSJO - IAD

1 stop17h 22mMultiple Airlines

Mon 8/252:22 amIAD - SJO

1 stop19h 57mMultiple Airlines

Deal found 3/30

$238

Tue 4/111:13 amSJO - IAD

1 stop10h 46mUnited Airlines

Mon 6/210:32 pmIAD - SJO

1 stop13h 39mUnited Airlines

Deal found 3/31

$247

Fri 5/23:25 pmLIR - IAD

1 stop20h 55mUnited Airlines

Mon 5/510:20 pmIAD - LIR

1 stop15h 50mUnited Airlines

Deal found 3/30

$258

Tue 6/35:10 pmSJO - IAD

Nonstop4h 35mAvianca

Mon 6/91:05 amIAD - SJO

Nonstop4h 30mAvianca

Deal found 3/31

$262

Wed 4/21:21 pmSJO - IAD

1 stop9h 10mDelta

Sat 6/77:15 amIAD - SJO

1 stop6h 44mDelta

Deal found 3/31

$268

Sun 8/312:20 pmSJO - IAD

2 stops16h 24mAmerican Airlines

Sat 9/68:19 pmIAD - SJO

2 stops18h 36mAmerican Airlines

Deal found 3/30

$283

Mon 3/315:51 pmSJO - IAD

1 stop8h 29mCopa Airlines

Mon 4/79:28 amIAD - SJO

1 stop14h 26mCopa Airlines

Deal found 3/30

$296

Fri 5/212:45 pmLIR - IAD

2 stops9h 11mAmerican Airlines

Mon 5/55:02 amIAD - LIR

1 stop8h 18mAmerican Airlines

Deal found 3/30

$337

Wed 7/96:00 pmLIR - IAD

1 stop27h 45mMultiple Airlines

Sat 7/121:05 amIAD - LIR

1 stop7h 35mMultiple Airlines

Deal found 3/30

$655

Fri 5/211:20 amLIR - IAD

2 stops40h 20mAlaska Airlines

Mon 5/56:59 pmIAD - LIR

2 stops37h 21mAlaska Airlines

Deal found 3/30

$926

Fri 5/91:25 pmLIR - IAD

2 stops28h 14mWestJet

Mon 5/121:00 pmIAD - LIR

2 stops25h 24mWestJet

Deal found 3/30

$1,585

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 March 31, 2025.

Mon 5/2611:15 amSJO - IAD

1 stop23h 05mVolaris El Salvador

Sun 6/12:22 amIAD - SJO

1 stop9h 52mVolaris El Salvador

Deal found 3/30

$237

Sun 6/112:27 pmSJO - IAD

2 stops18h 11mAmerican Airlines

Sat 6/75:41 pmIAD - SJO

2 stops19h 59mAmerican Airlines

Deal found 3/30

$240

Thu 4/37:55 amSJO - IAD

1 stop12h 28mUnited Airlines

Mon 6/210:32 pmIAD - SJO

1 stop13h 39mUnited Airlines

Deal found 3/31

$247

Tue 6/35:10 pmSJO - IAD

Nonstop4h 35mAvianca

Mon 6/91:05 amIAD - SJO

Nonstop4h 30mAvianca

Deal found 3/31

$262

Thu 4/31:20 pmSJO - IAD

1 stop9h 08mDelta

Sat 6/77:15 amIAD - SJO

1 stop6h 44mDelta

Deal found 3/31

$268

Wed 5/211:08 pmSJO - IAD

1 stop9h 02mMultiple Airlines

Sun 5/252:22 amIAD - SJO

Nonstop9h 52mMultiple Airlines

Deal found 3/31

$278

Tue 4/294:10 amSJO - IAD

1 stop8h 54mCopa Airlines

Thu 5/84:34 pmIAD - SJO

1 stop17h 01mCopa Airlines

Deal found 3/30

$306

Fri 5/23:25 pmLIR - IAD

1 stop20h 55mUnited Airlines

Mon 5/510:20 pmIAD - LIR

1 stop15h 50mUnited Airlines

Deal found 3/30

$258

Fri 5/212:45 pmLIR - IAD

2 stops9h 11mAmerican Airlines

Mon 5/55:02 amIAD - LIR

1 stop8h 18mAmerican Airlines

Deal found 3/30

$337

Fri 5/211:20 amLIR - IAD

2 stops40h 20mAlaska Airlines

Mon 5/56:59 pmIAD - LIR

2 stops37h 21mAlaska Airlines

Deal found 3/30

$926

Wed 7/96:00 pmLIR - IAD

1 stop27h 45mMultiple Airlines

Sat 7/121:05 amIAD - LIR

1 stop7h 35mMultiple Airlines

Deal found 3/30

$655

Fri 5/91:25 pmLIR - IAD

2 stops28h 14mWestJet

Mon 5/121:00 pmIAD - LIR

2 stops25h 24mWestJet

Deal found 3/30

$1,585

Last-minute flights from Costa Rica to Dulles Intl
Discover last-minute flight deals from Costa Rica to Dulles Intl. Data last updated March 31, 2025 and is based on user searches.

Mon 3/315:51 pmSJO - IAD

1 stop8h 29mCopa Airlines

Mon 4/79:28 amIAD - SJO

1 stop14h 26mCopa Airlines

Deal found 3/30

$296

Tue 4/111:13 amSJO - IAD

1 stop10h 46mUnited Airlines

Mon 6/210:32 pmIAD - SJO

1 stop13h 39mUnited Airlines

Deal found 3/31

$247

Wed 4/21:21 pmSJO - IAD

1 stop9h 10mDelta

Sat 6/77:15 amIAD - SJO

1 stop6h 44mDelta

Deal found 3/31

$268

Sat 4/57:55 amSJO - IAD

1 stop14h 04mUnited Airlines

Mon 6/26:10 amIAD - SJO

1 stop30h 01mUnited Airlines

Deal found 3/31

$247

Sat 4/51:20 pmSJO - IAD

1 stop9h 08mDelta

Sat 6/77:15 amIAD - SJO

1 stop6h 44mDelta

Deal found 3/31

$324

Mon 4/711:15 amSJO - IAD

1 stop23h 05mVolaris El Salvador

Sat 6/72:05 pmIAD - SJO

1 stop22h 09mVolaris El Salvador

Deal found 3/31

$254

Mon 4/711:15 amSJO - IAD

1 stop23h 05mMultiple Airlines

Fri 6/62:35 amIAD - SJO

2 stops10h 40mMultiple Airlines

Deal found 3/31

$280

Mon 4/711:15 amSJO - IAD

1 stop23h 05mMultiple Airlines

Fri 6/62:35 amIAD - SJO

1 stop8h 45mMultiple Airlines

Deal found 3/31

$282

Tue 4/85:52 amSJO - IAD

1 stop7h 12mCopa Airlines

Wed 4/164:31 pmIAD - SJO

1 stop17h 05mCopa Airlines

Deal found 3/31

$316

Tue 4/87:45 pmSJO - IAD

1 stop6h 35mAvianca

Tue 6/101:05 amIAD - SJO

Nonstop4h 30mAvianca

Deal found 3/30

$347

Tue 4/86:05 amSJO - IAD

2 stops15h 51mAmerican Airlines

Wed 4/166:18 amIAD - SJO

2 stops14h 06mAmerican Airlines

Deal found 3/30

$430

Thu 4/106:15 amSJO - IAD

1 stop30h 58mAir Canada

Wed 4/162:40 pmIAD - SJO

1 stop8h 40mAir Canada

Deal found 3/30

$542

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 March 31, 2025.

Fri 4/47:55 amSJO - IAD

1 stop11h 08mUnited Airlines

Deal found 3/30

$150

Tue 6/174:20 pmSJO - IAD

1 stop6h 55mAvianca

Deal found 3/31

$151

Sun 6/112:27 pmSJO - IAD

2 stops18h 11mAmerican Airlines

Deal found 3/31

$152

Mon 5/193:25 pmLIR - IAD

1 stop28h 48mUnited Airlines

Deal found 3/31

$159

Mon 4/1411:15 amSJO - IAD

1 stop23h 05mVolaris El Salvador

Deal found 3/30

$163

Wed 5/72:26 pmLIR - IAD

2 stops20h 56mAmerican Airlines

Deal found 3/30

$167

Wed 4/3011:35 amSJO - IAD

1 stop27h 01mMultiple Airlines

Deal found 3/29

$168

Tue 4/2910:57 amSJO - IAD

1 stop15h 23mCopa Airlines

Deal found 3/31

$193

Fri 8/291:04 pmLIR - IAD

1 stop9h 06mDelta

Deal found 3/30

$240

Tue 5/271:06 amSJO - IAD

2 stops26h 49mAlaska Airlines

Deal found 3/31

$267

Sat 6/712:35 pmLIR - IAD

1 stop19h 06mAir Canada

Deal found 3/30

$270

Sun 4/137:55 amSJO - IAD

1 stop28h 01mAir Canada

Deal found 3/30

$299

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

Mon 5/26

11:15 am-12:20 pm

1 stop23h 05m

Washington, D.C. Dulles Intl

Sun 6/1

2:22 am-10:14 am

1 stop9h 52m

$237

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Tue 8/12

5:00 pm-12:22 pm

1 stop17h 22m

Washington, D.C. Dulles Intl

Mon 8/25

2:22 am-8:19 pm

1 stop19h 57m

$238

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Sat 5/24

8:45 am-5:08 am

1 stop18h 23m

Washington, D.C. Dulles Intl

Mon 5/26

6:10 am-10:39 pm

1 stop18h 29m

$247

LiberiaWashington, D.C.

LIR - IAD

LIRIAD

Liberia

Fri 5/2

3:25 pm-2:20 pm

1 stop20h 55m

Washington, D.C. Dulles Intl

Mon 5/5

10:20 pm-12:10 pm

1 stop15h 50m

$258

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Tue 6/3

4:20 pm-1:15 am

1 stop6h 55m

Washington, D.C. Dulles Intl

Mon 6/9

2:35 am-7:40 am

1 stop7h 05m

$262

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Sun 8/31

2:20 pm-8:44 am

2 stops16h 24m

Washington, D.C. Dulles Intl

Sat 9/6

8:19 pm-12:55 pm

2 stops18h 36m

$283

San JoséWashington, D.C.

SJO - IAD

SJOIAD

San José Juan Santamaria Intl

Wed 4/30

10:57 am-12:29 am

1 stop11h 32m

Washington, D.C. Dulles Intl

Mon 5/5

9:32 am-4:22 pm

1 stop8h 50m

$296

LiberiaWashington, D.C.

LIR - IAD

LIRIAD

Liberia

Fri 5/2

12:45 pm-11:56 pm

2 stops9h 11m

Washington, D.C. Dulles Intl

Mon 5/5

5:02 am-11:20 am

1 stop8h 18m

$337

LiberiaWashington, D.C.

LIR - IAD

LIRIAD

Liberia

Wed 7/9

6:00 pm-11:45 pm

1 stop27h 45m

Washington, D.C. Dulles Intl

Sat 7/12

1:05 am-6:40 am

1 stop7h 35m

$655

LiberiaWashington, D.C.

LIR - IAD

LIRIAD

Liberia

Fri 5/2

11:20 am-5:40 am

2 stops40h 20m

Washington, D.C. Dulles Intl

Mon 5/5

6:59 pm-6:20 am

2 stops37h 21m

$926

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 25 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, 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 $385). 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 44% 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 Wednesday 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.

Rainfall in Dulles Intl 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

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

See what other customers who have flown with Alaska Airlines, Delta and Copa 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

9,818 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

9,818 reviews

Alaska Airlines

8.0

Very good

9,818 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

Delta

8.0

Very good

7,899 reviews

Alaska Airlines

8.0

Very good

9,818 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

7.6

Good

1,400 reviews

Alaska Airlines

8.0

Very good

9,818 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

8,614 reviews

Alaska Airlines

8.0

Very good

9,818 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

9,818 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

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

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 United Airlines. According to our data, you can fly for as low as $150. Users have also found prices from $151 and $152 on Avianca 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 Avianca (100%), Avianca Costa Rica (100%) or United Airlines (67%) 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 $492, our data indicates the cheapest price to be $207. The most popular route (San José Juan Santamaria Intl - Washington, D.C. Dulles Intl), is priced around $181.
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 $385). 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

Arlington

Alexandria

Fairfax

Tysons

Springfield

Rockville

Fredericksburg

Woodbridge

Gaithersburg

Linthicum Heights

Silver Spring

Falls Church

Laurel

Easton

Herndon

Sterling

Bowie

Gettysburg

National Harbor

Oxon Hill

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$173	Average$278	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$203	Average$266	FlexibilityNo cancel fee	On-time71%
Avianca	Cheapest$204	Average$360	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$205	Average$399	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$234	Average$291	FlexibilityNo cancel fee	On-timeN/A
Copa Airlines	Cheapest$285	Average$366	FlexibilityNo cancel fee	On-time70%

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$150+ 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 4/5. 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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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 March 31, 2025.

Most accurate provider

Most trusted provider

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 March 31, 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 March 31, 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 March 31, 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.

Rainfall in Dulles Intl by month

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

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Alaska Airlines, Delta and Copa 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.

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?

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

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?

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Alternative routes for Costa Rica to Dulles Intl

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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 March 31, 2025.