HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$122+ Cheap flights from Baltimore (BWI) to Costa Rica

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SJO
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore to Costa Rica with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Baltimore to Costa Rica

Cheapest flights from Baltimore to Costa Rica
Explore the most affordable flight options available from Baltimore to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.

This American Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:26 am
BWI
-
LIR
1 stop8h 12m
American Airlines
Tue 9/112:35 pm
LIR
-
BWI
2 stops24h 27m
American Airlines
Deal found 7/15$281
This American Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
BWI
-
LIR
1 stop7h 29m
American Airlines
Tue 9/152:47 pm
LIR
-
BWI
1 stop23h 54m
American Airlines
Deal found 7/16$284
This American Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:10 pm
BWI
-
LIR
1 stop20h 08m
American Airlines
Tue 10/62:45 pm
LIR
-
BWI
1 stop25h 24m
American Airlines
Deal found 7/16$291
This American Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
BWI
-
LIR
1 stop7h 04m
American Airlines
Thu 9/32:45 pm
LIR
-
BWI
1 stop17h 02m
American Airlines
Deal found 7/14$296
This American Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:26 am
BWI
-
LIR
1 stop8h 21m
American Airlines
Tue 9/152:47 pm
LIR
-
BWI
2 stops22h 12m
American Airlines
Deal found 7/14$301
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:05 am
BWI
-
SJO
1 stop6h 49m
Delta
Mon 10/51:19 pm
SJO
-
BWI
1 stop8h 07m
Delta
Deal found 7/14$302
This American Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:26 am
BWI
-
LIR
1 stop8h 21m
American Airlines
Mon 9/142:47 pm
LIR
-
BWI
1 stop23h 54m
American Airlines
Deal found 7/14$304
This American Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:24 pm
BWI
-
SJO
2 stops20h 28m
American Airlines
Tue 9/11:03 pm
SJO
-
BWI
2 stops20h 06m
American Airlines
Deal found 7/14$307
This American Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:02 pm
BWI
-
SJO
1 stop9h 53m
American Airlines
Fri 11/206:22 am
SJO
-
BWI
1 stop15h 32m
American Airlines
Deal found 7/14$308
This American Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:14 pm
BWI
-
SJO
1 stop18h 46m
American Airlines
Tue 11/31:23 pm
SJO
-
BWI
1 stop7h 59m
American Airlines
Deal found 7/16$310
This American Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:26 am
BWI
-
SJO
1 stop8h 26m
American Airlines
Mon 8/311:29 pm
SJO
-
BWI
2 stops23h 33m
American Airlines
Deal found 7/16$311
This American Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:21 pm
BWI
-
SJO
1 stop23h 36m
American Airlines
Tue 9/156:00 am
SJO
-
BWI
2 stops25h 49m
American Airlines
Deal found 7/15$314

Find flight deals from Baltimore to Costa Rica

Keep the following information in mind while searching for Baltimore to Costa Rica flight deals. Data was last updated July 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$281
(American Airlines)

One-way from

$122
(Delta)

Popular in

December

Cheapest in

October

Average price

$506
Provider with most accurate pricing for Washington, D.C. (WAS)-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San José Juan Santamaria Intl flights.
Search Deals
From Baltimore/Washington to Costa Rica
Search Deals
One-way flight from Baltimore/Washington to Costa Rica
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore 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, Cheapflights users made 2,558,603 searches. Data last updated July 18, 2026.
Use the filters below to find and compare flights from Baltimore to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Thu 9/24

10:00 am-6:40 pm

2 stops10h 40m

San José Juan Santamaria Intl

Mon 9/28

9:00 am-10:35 pm

2 stops11h 35m

$414

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Mon 10/19

6:09 am-12:55 pm

1 stop8h 46m

San José Juan Santamaria Intl

Wed 10/28

2:05 pm-11:27 pm

1 stop7h 22m

$426

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Mon 12/7

2:10 pm-10:15 pm

1 stop9h 05m

San José Juan Santamaria Intl

Mon 12/14

2:30 pm-12:26 am

1 stop8h 56m

$437

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Tue 9/8

11:20 am-6:40 pm

2 stops9h 20m

San José Juan Santamaria Intl

Tue 9/22

1:40 pm-9:15 am

2 stops17h 35m

$448

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Sun 9/13

7:20 am-6:40 pm

2 stops13h 20m

San José Juan Santamaria Intl

Sat 9/19

1:15 pm-7:45 am

2 stops16h 30m

$458

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Wed 10/21

8:00 am-12:55 pm

1 stop6h 55m

San José Juan Santamaria Intl

Sat 10/24

2:05 pm-11:27 pm

1 stop7h 22m

$462

BaltimoreLiberia

BWI - LIR

BWILIR

Baltimore/Washington

Mon 8/31

6:09 am-1:01 pm

1 stop8h 52m

Liberia

Fri 9/11

1:05 pm-10:33 pm

1 stop7h 28m

$490

BaltimoreLiberia

BWI - LIR

BWILIR

Baltimore/Washington

Mon 10/26

8:00 am-1:00 pm

1 stop7h 00m

Liberia

Fri 10/30

2:05 pm-11:27 pm

1 stop7h 22m

$490

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Thu 10/15

9:00 am-7:40 pm

2 stops12h 40m

San José Juan Santamaria Intl

Tue 10/27

9:00 am-8:10 pm

2 stops9h 10m

$496

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Fri 10/23

8:00 am-12:55 pm

1 stop6h 55m

San José Juan Santamaria Intl

Mon 10/26

2:05 pm-11:27 pm

1 stop7h 22m

$500

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/15

Showing 1-10 of 44 resultsSorted by cheapest first
1
2
3
...
5

Best time to book a flight from Baltimore to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Baltimore with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Costa Rica

What is the cheapest month to book a flight from Baltimore to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Baltimore to Costa Rica (average of $367). Flying from Baltimore to Costa Rica in December is currently the most expensive (average of $654). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BWI to CR?

Find hourly flight availability from Baltimore to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 18, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to Costa Rica as you normally would.

How far ahead should I book a flight from Baltimore to Costa Rica?

The best time to book flights from Baltimore to Costa Rica is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated July 18, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andCopa Airlines from Baltimore to Costa Rica by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

David,Aug 2023

BWI - SAN

I am a diabetic so Southwest’s snacks are always a challenge for me. Nuts would be a great option. Thanks
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

David,Aug 2023

BWI - SAN

I am a diabetic so Southwest’s snacks are always a challenge for me. Nuts would be a great option. Thanks
Delta
7.8
Good
8,478 reviews
Southwest
8.0
Very good
4,243 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

David,Aug 2023

BWI - SAN

I am a diabetic so Southwest’s snacks are always a challenge for me. Nuts would be a great option. Thanks
Copa Airlines
7.6
Good
1,564 reviews
Southwest
8.0
Very good
4,243 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

David,Aug 2023

BWI - SAN

I am a diabetic so Southwest’s snacks are always a challenge for me. Nuts would be a great option. Thanks
United Airlines
7.4
Good
10,006 reviews
Southwest
8.0
Very good
4,243 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

David,Aug 2023

BWI - SAN

I am a diabetic so Southwest’s snacks are always a challenge for me. Nuts would be a great option. Thanks
American Airlines
7.1
Good
11,828 reviews
Southwest
8.0
Very good
4,243 reviews

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

David,Aug 2023

BWI - SAN

I am a diabetic so Southwest’s snacks are always a challenge for me. Nuts would be a great option. Thanks

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Baltimore to Costa Rica?

    Baltimore/Washington (BWI), located 8.5 mi from the city center, is the airport you fly out of when you book flights from Baltimore to Costa Rica.

  • How popular is this Baltimore to Costa Rica flight route?

    Within the past month, 1 users have taken a look at flights from Baltimore/Washington to Costa Rica.

  • How long is the flight from Baltimore to Costa Rica?

    Southwest, JetBlue, and Delta can get you from Baltimore to Costa Rica in just under 8h 46m. Your travel time can differ by up to 1h 54m. The distance from Baltimore to Costa Rica is about 2068 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Baltimore to Costa Rica one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $101. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Baltimore to Costa Rica for a low price.

  • What are the cheapest flights from Baltimore to Costa Rica?

    The cheapest flight price from Baltimore to Costa Rica is $375. On average you can expect to pay $598. The most popular route, (Baltimore/Washington - San José Juan Santamaria Intl), can usually be booked for $345.

  • Can I find deals for flights from Baltimore to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Baltimore to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Costa Rica.

  • Can I find deals for business class flights from Baltimore to Costa Rica?

    Yes. Cheapflights offers flight deals from Baltimore to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Baltimore to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Baltimore to Costa Rica (average of $367). Flying from Baltimore to Costa Rica in December is currently the most expensive (average of $654). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Baltimore to Costa Rica

Discover the top 7 airlines that operate flights from Baltimore to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$225Average$352FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$235Average$417FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$240Average$515FlexibilityNo cancel feeOn-time71%
DeltaCheapest$264Average$511FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$266Average$698FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$267Average$416FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$312Average$500FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.