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Cheap flights from Washington, D.C. to Costa Rica from $97

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 2/17. 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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Find the cheapest flights from Washington, D.C. to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:18 pm - 1:15 pm
BWI
-
SJO
20h 57m2 stops
United Airlines Logo
6:30 am - 4:06 pm
SJO
-
BWI
8h 36m1 stop
$237United Airlines
Tue, Feb 3 - Tue, Feb 10
United Airlines Logo
6:00 am - 12:42 pm
DCA
-
SJO
7h 42m1 stop
United Airlines Logo
1:05 pm - 11:59 pm
SJO
-
DCA
8h 54m1 stop
$237United Airlines
Wed, Mar 4 - Tue, Mar 10
Avianca Logo
1:30 am - 7:45 am
IAD
-
SJO
7h 15m1 stop
Avianca Logo
4:15 pm - 12:10 am
SJO
-
IAD
6h 55m1 stop
$240Avianca
Mon, Feb 2 - Tue, Feb 10
Spirit Airlines Logo
6:20 am - 12:22 pm
BWI
-
SJO
7h 02m1 stop
Spirit Airlines Logo
12:35 pm - 10:53 pm
SJO
-
BWI
9h 18m1 stop
$240Spirit Airlines
Sat, Feb 21 - Wed, Feb 25
American Airlines Logo
9:17 am - 10:30 pm
BWI
-
SJO
14h 13m2 stops
American Airlines Logo
6:00 am - 11:59 pm
SJO
-
BWI
16h 59m1 stop
$242American Airlines
Wed, Jan 21 - Tue, Feb 3
American Airlines Logo
5:46 pm - 1:54 pm
IAD
-
SJO
21h 08m2 stops
American Airlines Logo
6:38 am - 9:17 pm
SJO
-
IAD
13h 39m1 stop
$242American Airlines
Wed, Jan 21 - Thu, Jan 29
Spirit Airlines Logo
6:20 am - 12:22 pm
BWI
-
SJO
7h 02m1 stop
Spirit Airlines Logo
12:35 pm - 10:53 pm
SJO
-
BWI
9h 18m1 stop
$247Spirit Airlines
Sun, Feb 22 - Wed, Feb 25
Avianca Logo
4:15 pm - 11:40 pm
IAD
-
SJO
8h 25m1 stop
Avianca Logo
4:15 pm - 12:10 am
SJO
-
IAD
6h 55m1 stop
$251Avianca
Mon, Feb 2 - Mon, Feb 9
JetBlue Logo
9:50 am - 4:23 pm
DCA
-
SJO
7h 33m1 stop
JetBlue Logo
2:05 pm - 10:59 pm
SJO
-
DCA
7h 54m1 stop
$259JetBlue
Tue, Feb 10 - Sat, Feb 14
JetBlue Logo
7:20 am - 1:00 pm
DCA
-
SJO
6h 40m1 stop
JetBlue Logo
8:59 am - 7:13 pm
SJO
-
DCA
8h 14m1 stop
$270JetBlue
Fri, Mar 6 - Thu, Mar 12

American Airlines flights from Washington, D.C. to Costa Rica

Our best American Airlines deals on Washington, D.C. to Costa Rica flight tickets
American Airlines
Jan 9
IAD6:00 amWashington, D.C. Dulles Intl
18h 43m
1 stop
SJO11:43 pmSan José Juan Santamaria Intl
Jan 16
SJO1:51 pmSan José Juan Santamaria Intl
8h 21m
1 stop
IAD11:12 pmWashington, D.C. Dulles Intl
$237
American Airlines
Jan 21
IAD5:46 pmWashington, D.C. Dulles Intl
21h 08m
2 stops
SJO1:54 pmSan José Juan Santamaria Intl
Jan 29
SJO6:38 amSan José Juan Santamaria Intl
13h 39m
1 stop
IAD9:17 pmWashington, D.C. Dulles Intl
$242
American Airlines
Feb 22
DCA7:59 pmWashington, D.C. Reagan-National
15h 25m
1 stop
SJO10:24 amSan José Juan Santamaria Intl
Feb 26
SJO7:00 amSan José Juan Santamaria Intl
10h 55m
1 stop
DCA6:55 pmWashington, D.C. Reagan-National
$244

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

Our best Avianca deals on Washington, D.C. to Costa Rica flight tickets
Avianca
Feb 2
IAD1:30 amWashington, D.C. Dulles Intl
7h 15m
1 stop
SJO7:45 amSan José Juan Santamaria Intl
Feb 24
SJO4:15 pmSan José Juan Santamaria Intl
6h 55m
1 stop
IAD12:10 amWashington, D.C. Dulles Intl
$240
Avianca
Jan 22
IAD11:55 pmWashington, D.C. Dulles Intl
4h 55m
SJO3:50 amSan José Juan Santamaria Intl
Jan 29
SJO4:15 pmSan José Juan Santamaria Intl
6h 55m
1 stop
IAD12:10 amWashington, D.C. Dulles Intl
$244
Avianca
Feb 2
IAD4:15 pmWashington, D.C. Dulles Intl
8h 25m
1 stop
SJO11:40 pmSan José Juan Santamaria Intl
Feb 9
SJO4:15 pmSan José Juan Santamaria Intl
6h 55m
1 stop
IAD12:10 amWashington, D.C. Dulles Intl
$251

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Costa Rica 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, momondo users made 832,500 searches. Data last updated January 8, 2026.
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

Tue 2/3

5:18 pm-1:15 pm

2 stops20h 57m

San José Juan Santamaria Intl

Tue 2/10

6:30 am-4:06 pm

1 stop8h 36m

$237

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Wed 3/4

6:00 am-12:42 pm

1 stop7h 42m

San José Juan Santamaria Intl

Tue 3/10

1:05 pm-11:59 pm

1 stop8h 54m

$237

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Mon 2/2

1:30 am-7:45 am

1 stop7h 15m

San José Juan Santamaria Intl

Tue 2/10

4:15 pm-12:10 am

1 stop6h 55m

$240

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Sat 2/21

6:20 am-12:22 pm

1 stop7h 02m

San José Juan Santamaria Intl

Wed 2/25

12:35 pm-10:53 pm

1 stop9h 18m

$240

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Wed 1/21

9:17 am-10:30 pm

2 stops14h 13m

San José Juan Santamaria Intl

Tue 2/3

6:00 am-11:59 pm

1 stop16h 59m

$242

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Wed 1/21

5:46 pm-1:54 pm

2 stops21h 08m

San José Juan Santamaria Intl

Thu 1/29

6:38 am-9:17 pm

1 stop13h 39m

$242

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Sun 2/22

6:20 am-12:22 pm

1 stop7h 02m

San José Juan Santamaria Intl

Wed 2/25

12:35 pm-10:53 pm

1 stop9h 18m

$247

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

Mon 2/2

4:15 pm-11:40 pm

1 stop8h 25m

San José Juan Santamaria Intl

Mon 2/9

4:15 pm-12:10 am

1 stop6h 55m

$251

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Tue 2/10

9:50 am-4:23 pm

1 stop7h 33m

San José Juan Santamaria Intl

Sat 2/14

2:05 pm-10:59 pm

1 stop7h 54m

$259

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

Fri 3/6

7:20 am-1:00 pm

1 stop6h 40m

San José Juan Santamaria Intl

Thu 3/12

8:59 am-7:13 pm

1 stop8h 14m

$270

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

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

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 $347. 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 $653. 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. to Costa Rica when you can find flight prices for as low as $386. 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 $785. 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 $363 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 $312 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.

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

You could potentially save up to 1% on your flight if you consider stops on a Washington, D.C. to Costa Rica flight.

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

$182

Fastest flight time

4h 40m

Direct flights

Mon 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 $182. The best round-trip flight deal from Washington, D.C. to Costa Rica found on momondo in the last 72 hours is $352.
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 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?

  • 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?

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
DeltaPriceFrom $174Free CancellationRating
7.9
8,032 reviews
Search Delta flights
Volaris El SalvadorPriceFrom $200Free CancellationRating
7.4
26 reviews
Search Volaris El Salvador flights
AviancaPriceFrom $225Free CancellationRating
6.6
2,491 reviews
Search Avianca flights
United AirlinesPriceFrom $235Free CancellationRating
7.4
9,142 reviews
Search United Airlines flights
American AirlinesPriceFrom $237Free CancellationRating
7.2
11,097 reviews
Search American Airlines flights
Copa AirlinesPriceFrom $244Free CancellationRating
7.6
1,562 reviews
Search Copa Airlines flights
JetBluePriceFrom $244Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
Spirit AirlinesPriceFrom $246Free CancellationRating
6.3
8,289 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,250 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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