What airlines fly to Costa Rica?

Avianca, United Airlines and Copa Airlines are the top three most popular airlines that fly to Costa Rica from Washington, D.C. Dulles Intl Airport according to our data. Avianca is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 6 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Costa Rica?

United Airlines, Delta, and American Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Costa Rica

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Costa Rica?

Prices for flights from Washington, D.C. Dulles Intl Airport to Costa Rica are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Costa Rica?

There are 6 operators available for flights from Washington, D.C. Dulles Intl Airport to Costa Rica as of June 2026.

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Costa Rica?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Costa Rica.

What documentation or ID do you need to fly to Costa Rica?

The necessary travel and health documents for your Costa Rica trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$149 Cheap Flights from Washington, D.C. Dulles Intl Airport to Costa Rica in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Costa Rica on average per week?

As of June 2026, 2 flights take off from Washington, D.C. Dulles Intl Airport and land in Costa Rica each week. The most common flight departure day for this route is Wed, with 50% of weekly flights taking off on this day.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Costa Rica

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:12 am - 12:16 pm

IAD

LIR

28h 04m

2 stops

1:21 pm - 1:12 pm

LIR

IAD

22h 51m

2 stops

$335American Airlines

Mon, Nov 9 - Fri, Nov 13

10:20 pm - 9:50 am

IAD

LIR

13h 30m

1 stop

1:20 pm - 12:31 am

LIR

IAD

9h 11m

1 stop

$343United Airlines

Wed, Jul 8 - Wed, Jul 15

9:12 am - 12:16 pm

IAD

LIR

28h 04m

2 stops

1:21 pm - 1:12 pm

LIR

IAD

22h 51m

2 stops

$345American Airlines

Mon, Nov 9 - Fri, Nov 13

10:18 pm - 12:10 pm

IAD

LIR

15h 52m

1 stop

1:20 pm - 12:30 am

LIR

IAD

9h 10m

1 stop

$351United Airlines

Sat, Oct 3 - Thu, Oct 8

8:05 pm - 1:50 pm

IAD

LIR

18h 45m

2 stops

1:25 pm - 8:44 am

LIR

IAD

18h 19m

2 stops

$356American Airlines

Sun, Dec 6 - Sat, Dec 12

8:09 pm - 2:13 pm

IAD

LIR

19h 04m

2 stops

3:13 pm - 1:12 pm

LIR

IAD

20h 59m

2 stops

$361American Airlines

Thu, Nov 19 - Tue, Nov 24

1:23 pm - 12:26 pm

IAD

SJO

25h 03m

1 stop

1:29 pm - 10:55 pm

SJO

IAD

7h 26m

1 stop

$365American Airlines

Wed, Aug 26 - Mon, Aug 31

8:09 pm - 2:13 pm

IAD

LIR

19h 04m

2 stops

3:13 pm - 1:12 pm

LIR

IAD

20h 59m

2 stops

$366American Airlines

Thu, Nov 19 - Wed, Nov 25

10:29 pm - 12:10 pm

IAD

LIR

15h 41m

1 stop

1:20 pm - 11:55 pm

LIR

IAD

8h 35m

1 stop

$367United Airlines

Mon, Sep 14 - Tue, Sep 22

2:25 am - 10:58 am

IAD

SJO

10h 33m

1 stop

5:55 pm - 4:20 am

SJO

IAD

8h 25m

1 stop

$369Copa Airlines

Sat, Sep 5 - Sat, Sep 12

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

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Costa Rica flight tickets

Air Canada

Nov 4

IAD4:30 pmWashington, D.C. Dulles Intl

22h 25m

1 stop

LIR1:55 pmLiberia

Nov 8

LIR2:55 pmLiberia

23h 55m

1 stop

IAD3:50 pmWashington, D.C. Dulles Intl

$424

Air Canada

Oct 25

IAD5:37 pmWashington, D.C. Dulles Intl

21h 18m

2 stops

LIR12:55 pmLiberia

Nov 16

LIR2:55 pmLiberia

28h 15m

1 stop

IAD8:10 pmWashington, D.C. Dulles Intl

$429

Air Canada

Nov 9

IAD9:55 amWashington, D.C. Dulles Intl

29h 25m

1 stop

LIR2:20 pmLiberia

Nov 13

LIR3:10 pmLiberia

28h 00m

1 stop

IAD8:10 pmWashington, D.C. Dulles Intl

$431

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

Our best Copa Airlines deals on Washington, D.C. Dulles Intl Airport to Costa Rica flight tickets

Copa Airlines

Jul 4

IAD4:26 pmWashington, D.C. Dulles Intl

16h 46m

1 stop

SJO7:12 amSan José Juan Santamaria Intl

Jul 9

SJO2:49 pmSan José Juan Santamaria Intl

8h 58m

1 stop

IAD1:47 amWashington, D.C. Dulles Intl

$366

Copa Airlines

Sep 5

IAD2:25 amWashington, D.C. Dulles Intl

10h 33m

1 stop

SJO10:58 amSan José Juan Santamaria Intl

Sep 12

SJO5:55 pmSan José Juan Santamaria Intl

8h 25m

1 stop

IAD4:20 amWashington, D.C. Dulles Intl

$369

Copa Airlines

Sep 8

IAD4:34 pmWashington, D.C. Dulles Intl

18h 30m

1 stop

SJO9:04 amSan José Juan Santamaria Intl

Sep 15

SJO6:17 pmSan José Juan Santamaria Intl

18h 47m

1 stop

IAD3:04 pmWashington, D.C. Dulles Intl

$381

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Mon 11/9

9:12 am-12:16 pm

2 stops28h 04m

Liberia

Fri 11/13

1:21 pm-1:12 pm

2 stops22h 51m

$335

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Wed 7/8

10:20 pm-9:50 am

1 stop13h 30m

Liberia

Wed 7/15

1:20 pm-12:31 am

1 stop9h 11m

$343

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Mon 11/9

9:12 am-12:16 pm

2 stops28h 04m

Liberia

Fri 11/13

1:21 pm-1:12 pm

2 stops22h 51m

$345

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Sat 10/3

10:18 pm-12:10 pm

1 stop15h 52m

Liberia

Thu 10/8

1:20 pm-12:30 am

1 stop9h 10m

$351

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Sun 12/6

8:05 pm-1:50 pm

2 stops18h 45m

Liberia

Sat 12/12

1:25 pm-8:44 am

2 stops18h 19m

$356

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Thu 11/19

8:09 pm-2:13 pm

2 stops19h 04m

Liberia

Tue 11/24

3:13 pm-1:12 pm

2 stops20h 59m

$361

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Wed 8/26

1:23 pm-12:26 pm

1 stop25h 03m

San José Juan Santamaria Intl

Mon 8/31

1:29 pm-10:55 pm

1 stop7h 26m

$365

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Thu 11/19

8:09 pm-2:13 pm

2 stops19h 04m

Liberia

Wed 11/25

3:13 pm-1:12 pm

2 stops20h 59m

$366

Washington, D.C.Liberia

IAD - LIR

IADLIR

Washington, D.C. Dulles Intl

Mon 9/14

10:29 pm-12:10 pm

1 stop15h 41m

Liberia

Tue 9/22

1:20 pm-11:55 pm

1 stop8h 35m

$367

Quickest round-trip

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Sat 9/5

2:25 am-10:58 am

1 stop10h 33m

San José Juan Santamaria Intl

Sat 9/12

5:55 pm-4:20 am

1 stop8h 25m

$369

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Washington, D.C. Dulles Intl Airport is in August. Flight prices, which tend to average around $109, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in August, then December is your next best option. Flight prices from Washington, D.C. Dulles Intl Airport to Costa Rica during December average around $113.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Thursday is the cheapest day to fly to Costa Rica from Washington, D.C. Dulles Intl Airport. The lowest ticket price found for a Thursday departure recently was $343. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $641. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

In the evening is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Costa Rica when you can find flight prices for as low as $392. Flying to Costa Rica in the evening is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the morning, with an average ticket price of $753. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington, D.C. Dulles Intl to Costa Rica flight route?

Fly from Washington, D.C. Dulles Intl to San José Juan Santamaria Intl for the best Washington, D.C. Dulles Intl - Costa Rica flight prices

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

You are more likely to see cheaper flights to Costa Rica from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $382 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Washington, D.C. Dulles Intl Airport for as low as $352 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Costa Rica flights?

There are 2 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport to Costa Rica flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Costa Rica flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Costa Rica.

Cheap Washington, D.C. Dulles Intl Airport to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Costa Rica

Best Price Found	$360
Fastest flight time	4h 58m
Direct flights	Mon, Tue, Wed, Sat and Sun
Airports in Costa Rica	40 airports

The best one-way flight to Costa Rica from Washington, D.C. Dulles Intl Airport in the past 72 hours is $360. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Costa Rica found on momondo in the last 72 hours is $652.

The fastest flight from Washington, D.C. Dulles Intl Airport to Costa Rica takes 4h 58m

Direct flights go from Washington, D.C. Dulles Intl Airport to Costa Rica on Monday, Tuesday, Wednesday, Saturday and Sunday. There are no airlines offering direct flights.

There are 40 airports in Costa Rica. From Washington, D.C. Dulles Intl Airport there are direct flights to San José Juan Santamaria Intl (SJO).

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Costa Rica

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Costa Rica?
Prices for flights from Washington, D.C. Dulles Intl Airport to Costa Rica are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Costa Rica?
There are 6 operators available for flights from Washington, D.C. Dulles Intl Airport to Costa Rica as of June 2026.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Costa Rica?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The necessary travel and health documents for your Costa Rica trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Costa Rica?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Costa Rica, the leading plane model is Airbus A320neo, making up 36.00% of the total bookings. Other popular models include Boeing 737 MAX 8 with 34.67%, Airbus A321-100/200 with 6.67%, and Embraer 175 (Enhanced Winglets) with 5.33%.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Costa Rica

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Costa Rica with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $186	Free Cancellation	Rating 7.8 8,437 reviews	Search Delta flights
Volaris El Salvador	PriceFrom $197	Free Cancellation	Rating 7.4 29 reviews	Search Volaris El Salvador flights
Copa Airlines	PriceFrom $203	Free Cancellation	Rating 7.6 1,569 reviews	Search Copa Airlines flights
Avianca	PriceFrom $237	Free Cancellation	Rating 6.5 2,535 reviews	Search Avianca flights
American Airlines	PriceFrom $240	Free Cancellation	Rating 7.1 11,754 reviews	Search American Airlines flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 9,886 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Costa Rica?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Costa Rica for you.

Can I find flights from Washington, D.C. to Costa Rica with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Costa Rica flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Costa Rica?

momondo helps you find the best flight between Washington, D.C. and Costa Rica by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Costa Rica right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Costa Rica now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Costa Rica and let you know when they change.

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Flights to San Joséfrom $219

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Cheap flights from Washington, D.C. Dulles Intl Airport to Costa Rica from $149

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

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Costa Rica flight tickets

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

Our best Copa Airlines deals on Washington, D.C. Dulles Intl Airport to Costa Rica flight tickets

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

See travel insights to Costa Rica from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Costa Rica

What is the cheapest month to fly to Costa Rica?

What is the cheapest day to depart on your flight to Costa Rica?

What is the cheapest time of day to depart on your flight to Costa Rica?

What is the cheapest Washington, D.C. Dulles Intl to Costa Rica flight route?

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

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Costa Rica flights?

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Costa Rica flights?

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Costa Rica?

What airlines fly to Costa Rica?

How many flights depart from Washington, D.C. Dulles Intl Airport to Costa Rica on average per week?

Cheap Washington, D.C. Dulles Intl Airport to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Costa Rica

Best Price Found

Fastest flight time

Direct flights

Airports in Costa Rica

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Costa Rica

Best airlines flying from Washington, D.C. Dulles Intl Airport to Costa Rica

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Costa Rica with momondo

Why use momondo?

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Costa Rica

Popular cities in Costa Rica

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. Dulles Intl Airport flight routes

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Fly your favorite airline to Costa Rica

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List of cabin classes available on flights landing in Costa Rica. Availability may vary depending on flight origin and airline.

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