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

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

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

As of December 2025, 4 flights take off from Washington, D.C. and land in Costa Rica each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.

What airlines fly to Costa Rica?

Avianca, American Airlines and Copa Airlines are the top three most popular airlines that fly to Costa Rica from Washington, D.C. according to our data. Avianca is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 9 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

How long is the flight from Washington, D.C. to Costa Rica?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Costa Rica you fly into. For example, flying from Baltimore to San José takes 4h 40m on average. On the other hand, flying from Washington, D.C. to San José takes 5h 42m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

Prices for flights from Washington, D.C. to Costa Rica refresh daily.

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

As of December 2025, there are 9 operators available to choose from for flights from Washington, D.C. to Costa Rica.

How old do you have to be to fly from Washington, D.C. 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. 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.

$90 Cheap Flights from Washington, D.C. to Costa Rica in 2025/26

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One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 am - 1:42 pm

BWI

SJO

9h 12m1 stop

1:30 pm - 11:36 pm

SJO

BWI

9h 06m1 stop

$224Multiple Airlines

Sat, Jan 17 - Sat, Feb 7

6:20 am - 12:22 pm

BWI

SJO

7h 02m1 stop

1:31 pm - 11:31 pm

SJO

BWI

9h 00m1 stop

$232Spirit Airlines

Sat, Feb 21 - Thu, Feb 26

8:07 am - 8:39 pm

BWI

SJO

13h 32m1 stop

8:45 am - 10:25 pm

SJO

BWI

12h 40m1 stop

$236United Airlines

Thu, Jan 22 - Thu, Jan 29

11:55 pm - 3:50 am

IAD

SJO

4h 55mnonstop

4:15 pm - 12:10 am

SJO

IAD

6h 55mnonstop

$239Avianca

Thu, Jan 22 - Tue, Jan 27

5:00 am - 8:58 pm

BWI

SJO

16h 58m2 stops

3:55 pm - 11:35 am

SJO

BWI

18h 40m2 stops

$240American Airlines

Sun, Feb 22 - Wed, Feb 25

5:46 pm - 12:43 pm

IAD

SJO

19h 57m2 stops

6:38 am - 9:17 pm

SJO

IAD

13h 39m1 stop

$240American Airlines

Sun, Jan 18 - Sat, Feb 7

5:18 pm - 12:56 pm

BWI

SJO

20h 38m1 stop

6:30 am - 4:06 pm

SJO

BWI

8h 36m1 stop

$242United Airlines

Sat, Jan 17 - Fri, Jan 23

5:32 pm - 1:05 pm

IAD

SJO

20h 33m2 stops

7:45 am - 10:22 am

SJO

IAD

25h 37m2 stops

$242American Airlines

Tue, Feb 17 - Tue, Feb 24

4:15 pm - 8:40 am

IAD

SJO

17h 25m1 stop

5:10 pm - 10:35 pm

SJO

IAD

4h 25mnonstop

$247Avianca

Fri, Jan 23 - Sat, Jan 31

6:00 am - 7:30 pm

DCA

SJO

14h 30m1 stop

9:40 am - 10:20 pm

SJO

DCA

11h 40m1 stop

$276Southwest

Fri, Jan 30 - Mon, Feb 2

Southwest flights from Washington, D.C. to Costa Rica

Our best Southwest deals on Washington, D.C. to Costa Rica flight tickets

Southwest

Jan 30

DCA6:00 amWashington, D.C. Reagan-National

14h 30m

1 stop

SJO7:30 pmSan José Juan Santamaria Intl

Feb 2

SJO9:40 amSan José Juan Santamaria Intl

11h 40m

1 stop

DCA10:20 pmWashington, D.C. Reagan-National

$276

Find similar

Southwest

Jan 22

BWI7:30 amBaltimore/Washington

13h 00m

1 stop

SJO7:30 pmSan José Juan Santamaria Intl

Jan 27

SJO9:40 amSan José Juan Santamaria Intl

8h 55m

1 stop

BWI7:35 pmBaltimore/Washington

$277

Find similar

Southwest

Jan 19

BWI7:40 amBaltimore/Washington

12h 50m

2 stops

SJO7:30 pmSan José Juan Santamaria Intl

Jan 29

SJO1:45 pmSan José Juan Santamaria Intl

8h 25m

1 stop

BWI11:10 pmBaltimore/Washington

$281

Find similar

Delta flights from Washington, D.C. to Costa Rica

Our best Delta deals on Washington, D.C. to Costa Rica flight tickets

Delta

Feb 5

DCA6:00 amWashington, D.C. Reagan-National

17h 15m

1 stop

SJO10:15 pmSan José Juan Santamaria Intl

Feb 15

SJO7:00 amSan José Juan Santamaria Intl

12h 32m

1 stop

DCA8:32 pmWashington, D.C. Reagan-National

$306

Find similar

Delta

Dec 18

BWI8:04 amBaltimore/Washington

7h 26m

1 stop

LIR2:30 pmLiberia

Dec 21

LIR2:05 pmLiberia

9h 38m

1 stop

BWI12:43 amBaltimore/Washington

$315

Find similar

Delta

Dec 15

DCA12:37 pmWashington, D.C. Reagan-National

10h 43m

1 stop

SJO10:20 pmSan José Juan Santamaria Intl

Dec 21

SJO7:00 amSan José Juan Santamaria Intl

12h 32m

1 stop

DCA8:32 pmWashington, D.C. Reagan-National

$316

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Sat 1/17

5:30 am-1:42 pm

1 stop9h 12m

San José Juan Santamaria Intl

Sat 2/7

1:30 pm-11:36 pm

1 stop9h 06m

$224

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Sat 2/21

6:20 am-12:22 pm

1 stop7h 02m

San José Juan Santamaria Intl

Thu 2/26

1:31 pm-11:31 pm

1 stop9h 00m

$232

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Thu 1/22

8:07 am-8:39 pm

1 stop13h 32m

San José Juan Santamaria Intl

Thu 1/29

8:45 am-10:25 pm

1 stop12h 40m

$236

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Thu 1/22

11:55 pm-3:50 am

Nonstop4h 55m

San José Juan Santamaria Intl

Tue 1/27

4:15 pm-12:10 am

Nonstop6h 55m

$239

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Sun 2/22

5:00 am-8:58 pm

2 stops16h 58m

San José Juan Santamaria Intl

Wed 2/25

3:55 pm-11:35 am

2 stops18h 40m

$240

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Sun 1/18

5:46 pm-12:43 pm

2 stops19h 57m

San José Juan Santamaria Intl

Sat 2/7

6:38 am-9:17 pm

1 stop13h 39m

$240

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Sat 1/17

5:18 pm-12:56 pm

1 stop20h 38m

San José Juan Santamaria Intl

Fri 1/23

6:30 am-4:06 pm

1 stop8h 36m

$242

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Tue 2/17

5:32 pm-1:05 pm

2 stops20h 33m

San José Juan Santamaria Intl

Tue 2/24

7:45 am-10:22 am

2 stops25h 37m

$242

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Fri 1/23

4:15 pm-8:40 am

1 stop17h 25m

San José Juan Santamaria Intl

Sat 1/31

5:10 pm-10:35 pm

Nonstop4h 25m

$247

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Fri 1/30

6:00 am-7:30 pm

1 stop14h 30m

San José Juan Santamaria Intl

Mon 2/2

9:40 am-10:20 pm

1 stop11h 40m

$276

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. 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. is in October. Flight prices, which tend to average around $277, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in October, then September is your next best option. Flight prices from Washington, D.C. to Costa Rica during September average around $283.

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

According to our data, Tuesday is the cheapest day to fly to Costa Rica from Washington, D.C.. The lowest ticket price found for a Tuesday departure recently was $362. 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 $664. 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?

At noon is the cheapest time of day to fly from Washington, D.C. to Costa Rica when you can find flight prices for as low as $335. Flying to Costa Rica at noon 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 $787. 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. to Costa Rica flight route?

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

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $373 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. for as low as $330 on momondo.

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

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

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

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

Best Price Found	$107
Fastest flight time	4h 40m
Direct flights	Mon, Tue, Wed, Fri and Sun
Airports in Costa Rica	40 airports

The best one-way flight to Costa Rica from Washington, D.C. in the past 72 hours is $107. The best round-trip flight deal from Washington, D.C. to Costa Rica found on momondo in the last 72 hours is $265.

The fastest flight from Washington, D.C. to Costa Rica takes 4h 40m

Direct flights go from Washington, D.C. to Costa Rica on Monday, Tuesday, Wednesday, Friday and Sunday. Airlines offering direct flights are: Southwest and Avianca.

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

Search flight deals

When did momondo last update prices for flights from Washington, D.C. to Costa Rica?
Prices for flights from Washington, D.C. to Costa Rica refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Costa Rica?
As of December 2025, there are 9 operators available to choose from for flights from Washington, D.C. to Costa Rica.
How old do you have to be to fly from Washington, D.C. 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. 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. to Costa Rica?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. to Costa Rica is Airbus A320neo, representing 45.64% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 35.27%, Airbus A320-100/200 at 7.82%, and Boeing 737 MAX 9 at 4.91%.

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

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $168	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
Volaris El Salvador	PriceFrom $200	Free Cancellation	Rating 7.4 26 reviews	Search Volaris El Salvador flights
Avianca	PriceFrom $225	Free Cancellation	Rating 6.6 2,480 reviews	Search Avianca flights
United Airlines	PriceFrom $235	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
American Airlines	PriceFrom $235	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights
JetBlue	PriceFrom $244	Free Cancellation	Rating 7.2 2,899 reviews	Search JetBlue flights
Copa Airlines	PriceFrom $245	Free Cancellation	Rating 7.6 1,558 reviews	Search Copa Airlines flights
Spirit Airlines	PriceFrom $245	Free Cancellation	Rating 6.3 8,180 reviews	Search Spirit Airlines flights
Southwest	PriceFrom $256	Free Cancellation	Rating 7.9 4,253 reviews	Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Costa Rica. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Costa Rica from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Washington, D.C. to Costa Rica flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Costa Rica from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Popular cities in Costa Rica

Flights to San Joséfrom $148

Flights to Liberiafrom $210

Flights to Limon

Flights to Tamarindo

Flights to Golfito

Flights to Buenos Aires, Puntarenas

Flights to Palmar Sur

Washington, D.C. flight routes

Flights from Baltimore/Washington to Wilmington New Hanover County

Flights from Washington, D.C. Dulles Intl to Tweed-New Haven

Flights from Washington, D.C. Dulles Intl to Miami

Flights from Baltimore/Washington to Orlando

Flights from Baltimore/Washington to Detroit Metropolitan Wayne County

Flights from Baltimore/Washington to Chicago O'Hare Intl

Cheap flights from Washington, D.C. to Costa Rica from $90

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Costa Rica departing on 1/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Southwest flights from Washington, D.C. to Costa Rica

Our best Southwest deals on Washington, D.C. to Costa Rica flight tickets

Delta flights from Washington, D.C. to Costa Rica

Our best Delta deals on Washington, D.C. to Costa Rica flight tickets

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Use the filters below to find and compare flights from Washington, D.C. 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. 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. to Costa Rica flight route?

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

How far in advance should I book a flight to Costa Rica?

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

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

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

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

What airlines fly to Costa Rica?

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

As of December 2025, 4 flights take off from Washington, D.C. and land in Costa Rica each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.

How long is the flight from Washington, D.C. to Costa Rica?

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Costa Rica

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

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

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

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

What is the most popular plane model from Washington, D.C. to Costa Rica?

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

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

Why use momondo?

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

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

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

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

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