Cheap flights from Washington, D.C. to Costa Rica from $74

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 10/18. 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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Cheap round-trip flights

Spirit Airlines Logo
8:17 pm - 11:30 amBWI-SJO
17h 13m1 stop
Spirit Airlines Logo
12:35 pm - 11:32 pmSJO-BWI
8h 57m1 stop
$181Spirit Airlines
Find Deal
sáb., oct. 11 - sáb., oct. 18
Spirit Airlines Logo
8:17 pm - 11:30 amBWI-SJO
17h 13m1 stop
Spirit Airlines Logo
12:35 pm - 11:32 pmSJO-BWI
8h 57m1 stop
$190Spirit Airlines
Find Deal
sáb., oct. 11 - sáb., oct. 18
American Airlines Logo
10:35 am - 7:40 pmBWI-SJO
10h 05m1 stop
American Airlines Logo
8:05 am - 6:12 pmSJO-BWI
9h 07m1 stop
$236American Airlines
Find Deal
mié., ene. 14 - jue., ene. 22
American Airlines Logo
3:47 pm - 12:05 pmBWI-SJO
22h 18m2 stops
American Airlines Logo
1:05 pm - 10:21 amSJO-BWI
19h 16m2 stops
$245American Airlines
Find Deal
dom., oct. 26 - mié., oct. 29
Copa Airlines Logo
4:49 pm - 9:04 amBWI-SJO
18h 15m1 stop
Copa Airlines Logo
4:11 am - 3:08 pmSJO-BWI
8h 57m1 stop
$246Copa Airlines
Find Deal
dom., oct. 26 - mié., oct. 29
Avianca Logo
5:45 am - 11:15 amIAD-SJO
7h 30m1 stop
Avianca Logo
7:45 pm - 4:20 amSJO-IAD
6h 35m1 stop
$259Avianca
Find Deal
jue., sep. 25 - sáb., oct. 4
United Airlines Logo
7:59 pm - 12:26 pmDCA-SJO
18h 27m1 stop
United Airlines Logo
7:55 am - 10:06 pmSJO-DCA
12h 11m1 stop
$260United Airlines
Find Deal
vie., oct. 17 - sáb., oct. 25
United Airlines Logo
10:10 pm - 10:25 amIAD-SJO
14h 15m1 stop
United Airlines Logo
12:35 pm - 10:12 pmSJO-IAD
8h 37m1 stop
$260United Airlines
Find Deal
vie., oct. 31 - lun., nov. 3
Avianca Logo
5:30 am - 1:40 pmIAD-SJO
10h 10m1 stop
Avianca Logo
3:05 pm - 4:10 amSJO-IAD
11h 05m1 stop
$261Avianca
Find Deal
dom., mar. 8 - jue., mar. 12
Copa Airlines Logo
4:49 pm - 8:19 amBWI-SJO
17h 30m1 stop
Copa Airlines Logo
4:10 am - 3:08 pmSJO-BWI
8h 58m1 stop
$261Copa Airlines
Find Deal
sáb., sep. 27 - lun., sep. 29

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 14
BWI10:35 amBaltimore/Washington
10h 05m
1 stop
SJO7:40 pmSan José Juan Santamaria Intl
Jan 22
SJO8:05 amSan José Juan Santamaria Intl
9h 07m
1 stop
BWI6:12 pmBaltimore/Washington
American Airlines
Oct 26
BWI3:47 pmBaltimore/Washington
22h 18m
2 stops
SJO12:05 pmSan José Juan Santamaria Intl
Oct 29
SJO1:05 pmSan José Juan Santamaria Intl
19h 16m
2 stops
BWI10:21 amBaltimore/Washington
American Airlines
Jan 14
BWI10:35 amBaltimore/Washington
10h 05m
1 stop
SJO7:40 pmSan José Juan Santamaria Intl
Jan 23
SJO3:50 pmSan José Juan Santamaria Intl
16h 55m
1 stop
BWI9:45 amBaltimore/Washington

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

Our best Avianca deals on Washington, D.C. to Costa Rica flight tickets
Avianca
Sep 25
IAD5:45 amWashington, D.C. Dulles Intl
7h 30m
1 stop
SJO11:15 amSan José Juan Santamaria Intl
Oct 4
SJO7:45 pmSan José Juan Santamaria Intl
6h 35m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
Avianca
Sep 18
IAD5:45 amWashington, D.C. Dulles Intl
9h 45m
1 stop
SJO1:30 pmSan José Juan Santamaria Intl
Sep 21
SJO7:45 pmSan José Juan Santamaria Intl
6h 35m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
Avianca
Mar 8
IAD5:30 amWashington, D.C. Dulles Intl
10h 10m
1 stop
SJO1:40 pmSan José Juan Santamaria Intl
Mar 12
SJO3:05 pmSan José Juan Santamaria Intl
11h 05m
1 stop
IAD4:10 amWashington, D.C. Dulles Intl

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 septiembre 11, 2025.
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

sáb. 10/11

8:17 pm-11:30 am

1 stop17h 13m

San José Juan Santamaria Intl

sáb. 10/18

12:35 pm-11:32 pm

1 stop8h 57m

$181

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

sáb. 10/11

8:17 pm-11:30 am

1 stop17h 13m

San José Juan Santamaria Intl

sáb. 10/18

12:35 pm-11:32 pm

1 stop8h 57m

$190

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

mié. 1/14

10:35 am-7:40 pm

1 stop10h 05m

San José Juan Santamaria Intl

jue. 1/22

8:05 am-6:12 pm

1 stop9h 07m

$236

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

dom. 10/26

3:47 pm-12:05 pm

2 stops22h 18m

San José Juan Santamaria Intl

mié. 10/29

1:05 pm-10:21 am

2 stops19h 16m

$245

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

dom. 10/26

4:49 pm-9:04 am

1 stop18h 15m

San José Juan Santamaria Intl

mié. 10/29

4:11 am-3:08 pm

1 stop8h 57m

$246

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

jue. 9/25

5:45 am-11:15 am

1 stop7h 30m

San José Juan Santamaria Intl

sáb. 10/4

7:45 pm-4:20 am

1 stop6h 35m

$259

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

vie. 10/17

7:59 pm-12:26 pm

1 stop18h 27m

San José Juan Santamaria Intl

sáb. 10/25

7:55 am-10:06 pm

1 stop12h 11m

$260

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

vie. 10/31

10:10 pm-10:25 am

1 stop14h 15m

San José Juan Santamaria Intl

lun. 11/3

12:35 pm-10:12 pm

1 stop8h 37m

$260

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

dom. 3/8

5:30 am-1:40 pm

1 stop10h 10m

San José Juan Santamaria Intl

jue. 3/12

3:05 pm-4:10 am

1 stop11h 05m

$261

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

sáb. 9/27

4:49 pm-8:19 am

1 stop17h 30m

San José Juan Santamaria Intl

lun. 9/29

4:10 am-3:08 pm

1 stop8h 58m

$261

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 $313, 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 May is your next best option. Flight prices from Washington, D.C. to Costa Rica during May average around $327.

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 $371. 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 $683. 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 $774. 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 $396 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 $350 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 4% 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

$162

Fastest flight time

4h 45m

Direct flights

Mon, Tue, Wed, Fri and Sun

Airports in Costa Rica

2 airports
The best one-way flight to Costa Rica from Washington, D.C. in the past 72 hours is $162. The best round-trip flight deal from Washington, D.C. to Costa Rica found on momondo in the last 72 hours is $327.
The fastest flight from Washington, D.C. to Costa Rica takes 4h 45m
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 2 airports near Costa Rica: Liberia (LIR), San José Juan Santamaria Intl (SJO)
  • 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
7,960 reviews
Search Delta flights
Volaris El SalvadorPriceFrom $200Free CancellationRating
7.4
26 reviews
Search Volaris El Salvador flights
United AirlinesPriceFrom $215Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
AviancaPriceFrom $225Free CancellationRating
6.7
2,436 reviews
Search Avianca flights
American AirlinesPriceFrom $237Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Copa AirlinesPriceFrom $256Free CancellationRating
7.6
1,531 reviews
Search Copa Airlines flights
SouthwestPriceFrom $262Free CancellationRating
8.0
4,248 reviews
Search Southwest flights
Spirit AirlinesPriceFrom $272Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
JetBluePriceFrom $360Free CancellationRating
7.2
2,913 reviews
Search JetBlue 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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1 adult
sáb. 10/11
sáb. 10/18

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