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Cheap flights from Washington, D.C. to Costa Rica from $98

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.
Spirit Airlines Logo
6:20 am - 12:22 pm
BWI
-
SJO
7h 02m
1 stop
Spirit Airlines Logo
1:31 pm - 11:31 pm
SJO
-
BWI
9h 00m
1 stop
$241Spirit Airlines
mié., feb. 25 - mié., mar. 4
Multiple Airlines Logo
2:07 pm - 6:50 am
IAD
-
SJO
18h 43m
1 stop
Multiple Airlines Logo
5:00 pm - 12:27 pm
SJO
-
IAD
17h 27m
1 stop
$245Multiple Airlines
dom., mar. 8 - jue., mar. 12
Volaris El Salvador Logo
1:38 am - 1:57 pm
IAD
-
SJO
13h 19m
1 stop
Volaris El Salvador Logo
4:17 pm - 11:27 am
SJO
-
IAD
18h 10m
1 stop
$253Volaris El Salvador
mar., feb. 3 - lun., feb. 9
Volaris El Salvador Logo
2:07 pm - 6:50 am
IAD
-
SJO
18h 43m
1 stop
Volaris El Salvador Logo
4:17 pm - 12:27 pm
SJO
-
IAD
18h 10m
1 stop
$256Volaris El Salvador
dom., mar. 8 - vie., mar. 13
United Airlines Logo
12:59 pm - 7:53 pm
DCA
-
SJO
7h 54m
1 stop
United Airlines Logo
2:20 pm - 11:50 pm
SJO
-
DCA
8h 30m
1 stop
$257United Airlines
mar., mar. 3 - jue., mar. 5
JetBlue Logo
7:00 am - 1:00 pm
DCA
-
SJO
7h 00m
1 stop
JetBlue Logo
2:05 pm - 10:31 pm
SJO
-
DCA
7h 26m
1 stop
$259JetBlue
mié., feb. 18 - mié., feb. 25
American Airlines Logo
6:37 pm - 10:24 am
BWI
-
SJO
16h 47m
2 stops
American Airlines Logo
3:59 pm - 11:35 am
SJO
-
BWI
18h 36m
2 stops
$262American Airlines
mié., feb. 18 - mié., mar. 4
American Airlines Logo
6:00 am - 2:53 pm
BWI
-
SJO
9h 53m
1 stop
American Airlines Logo
12:35 am - 10:59 pm
SJO
-
BWI
21h 24m
1 stop
$264American Airlines
mar., mar. 3 - mié., mar. 4
United Airlines Logo
6:05 am - 5:37 pm
BWI
-
LIR
13h 32m
1 stop
United Airlines Logo
7:35 am - 10:30 pm
LIR
-
BWI
12h 55m
1 stop
$266United Airlines
lun., mar. 9 - jue., mar. 12
JetBlue Logo
7:00 am - 11:50 am
DCA
-
SJO
6h 50m
1 stop
JetBlue Logo
8:59 am - 8:35 pm
SJO
-
DCA
9h 36m
1 stop
$270JetBlue
dom., mar. 15 - sáb., mar. 21

Volaris El Salvador flights from Washington, D.C. to Costa Rica

Our best Volaris El Salvador deals on Washington, D.C. to Costa Rica flight tickets
Volaris El Salvador
Feb 3
IAD1:38 amWashington, D.C. Dulles Intl
13h 19m
1 stop
SJO1:57 pmSan José Juan Santamaria Intl
Feb 9
SJO4:17 pmSan José Juan Santamaria Intl
18h 10m
1 stop
IAD11:27 amWashington, D.C. Dulles Intl
$253
Volaris El Salvador
Feb 3
IAD1:38 amWashington, D.C. Dulles Intl
13h 19m
1 stop
SJO1:57 pmSan José Juan Santamaria Intl
Feb 9
SJO4:17 pmSan José Juan Santamaria Intl
18h 10m
1 stop
IAD11:27 amWashington, D.C. Dulles Intl
$257
Volaris El Salvador
May 21
IAD2:07 pmWashington, D.C. Dulles Intl
18h 37m
1 stop
SJO6:44 amSan José Juan Santamaria Intl
May 27
SJO2:42 pmSan José Juan Santamaria Intl
19h 45m
1 stop
IAD12:27 pmWashington, D.C. Dulles Intl
$261

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

Our best Avianca deals on Washington, D.C. to Costa Rica flight tickets
Avianca
Feb 23
IAD1:30 amWashington, D.C. Dulles Intl
7h 15m
1 stop
SJO7:45 amSan José Juan Santamaria Intl
Mar 4
SJO4:30 pmSan José Juan Santamaria Intl
9h 40m
1 stop
IAD3:10 amWashington, D.C. Dulles Intl
$260
Avianca
Mar 2
IAD4:15 pmWashington, D.C. Dulles Intl
8h 25m
1 stop
SJO11:40 pmSan José Juan Santamaria Intl
Mar 5
SJO3:05 pmSan José Juan Santamaria Intl
9h 35m
1 stop
IAD1:40 amWashington, D.C. Dulles Intl
$262
Avianca
Mar 9
IAD4:00 amWashington, D.C. Dulles Intl
6h 40m
1 stop
SJO8:40 amSan José Juan Santamaria Intl
Mar 18
SJO7:50 pmSan José Juan Santamaria Intl
6h 20m
1 stop
IAD4:10 amWashington, D.C. Dulles Intl
$273

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 enero 21, 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

mié. 2/25

6:20 am-12:22 pm

1 stop7h 02m

San José Juan Santamaria Intl

mié. 3/4

1:31 pm-11:31 pm

1 stop9h 00m

$241

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

dom. 3/8

2:07 pm-6:50 am

1 stop18h 43m

San José Juan Santamaria Intl

jue. 3/12

5:00 pm-12:27 pm

1 stop17h 27m

$245

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

mar. 2/3

1:38 am-1:57 pm

1 stop13h 19m

San José Juan Santamaria Intl

lun. 2/9

4:17 pm-11:27 am

1 stop18h 10m

$253

Washington, D.C.San José

IAD - SJO

IADSJO

Washington, D.C. Dulles Intl

dom. 3/8

2:07 pm-6:50 am

1 stop18h 43m

San José Juan Santamaria Intl

vie. 3/13

4:17 pm-12:27 pm

1 stop18h 10m

$256

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

mar. 3/3

12:59 pm-7:53 pm

1 stop7h 54m

San José Juan Santamaria Intl

jue. 3/5

2:20 pm-11:50 pm

1 stop8h 30m

$257

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

mié. 2/18

7:00 am-1:00 pm

1 stop7h 00m

San José Juan Santamaria Intl

mié. 2/25

2:05 pm-10:31 pm

1 stop7h 26m

$259

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

mié. 2/18

6:37 pm-10:24 am

2 stops16h 47m

San José Juan Santamaria Intl

mié. 3/4

3:59 pm-11:35 am

2 stops18h 36m

$262

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

mar. 3/3

6:00 am-2:53 pm

1 stop9h 53m

San José Juan Santamaria Intl

mié. 3/4

12:35 am-10:59 pm

1 stop21h 24m

$264

BaltimoreLiberia

BWI - LIR

BWILIR

Baltimore/Washington

lun. 3/9

6:05 am-5:37 pm

1 stop13h 32m

Liberia

jue. 3/12

7:35 am-10:30 pm

1 stop12h 55m

$266

Washington, D.C.San José

DCA - SJO

DCASJO

Washington, D.C. Reagan-National

dom. 3/15

7:00 am-11:50 am

1 stop6h 50m

San José Juan Santamaria Intl

sáb. 3/21

8:59 am-8:35 pm

1 stop9h 36m

$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 $345. 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 $630. 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 $385. 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 $776. 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 $362 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 $318 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

$331

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 $331. The best round-trip flight deal from Washington, D.C. to Costa Rica found on momondo in the last 72 hours is $328.
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
AviancaPriceFrom $132Free CancellationRating
6.6
2,496 reviews
Search Avianca flights
DeltaPriceFrom $168Free CancellationRating
7.9
8,086 reviews
Search Delta flights
Volaris El SalvadorPriceFrom $197Free CancellationRating
7.4
26 reviews
Search Volaris El Salvador flights
Copa AirlinesPriceFrom $212Free CancellationRating
7.6
1,559 reviews
Search Copa Airlines flights
Spirit AirlinesPriceFrom $223Free CancellationRating
6.3
8,364 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $235Free CancellationRating
7.4
9,190 reviews
Search United Airlines flights
American AirlinesPriceFrom $237Free CancellationRating
7.2
11,172 reviews
Search American Airlines flights
JetBluePriceFrom $244Free CancellationRating
7.2
2,890 reviews
Search JetBlue flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,266 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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