What is the cheapest airline that flies from Baltimore/Washington to Costa Rica?

United Airlines, Southwest, and Delta are the most popular carriers operating from Baltimore/Washington to Costa Rica

What airlines fly to Costa Rica?

Avianca, American Airlines and United Airlines are the top three most popular airlines that fly to Costa Rica from Baltimore 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.

When did momondo last update prices for flights from Baltimore/Washington Airport to Costa Rica?

Prices for flights from Baltimore/Washington Airport to Costa Rica were last updated today.

How many operators does momondo search for flights from Baltimore/Washington Airport to Costa Rica?

As of April 2026, there are 7 operators available to choose from for flights from Baltimore/Washington Airport to Costa Rica.

How old do you have to be to fly from Baltimore/Washington Airport to Costa Rica?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Costa Rica.

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

The travel and health documents required for your trip to Costa Rica can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Costa Rica. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$89 Cheap Flights from Baltimore to Costa Rica in 2026

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Find the cheapest flights from Baltimore to Costa Rica

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:55 pm - 12:10 pm

BWI

LIR

19h 15m

2 stops

3:27 pm - 11:36 am

LIR

BWI

18h 09m

1 stop

$320United Airlines

Mon, Apr 27 - Thu, Apr 30

7:40 am - 12:10 pm

BWI

SJO

6h 30m

1 stop

9:00 am - 7:00 pm

SJO

BWI

8h 00m

1 stop

$321Southwest

Wed, May 13 - Tue, May 19

4:49 pm - 8:20 am

BWI

SJO

17h 31m

1 stop

4:09 am - 3:17 pm

SJO

BWI

9h 08m

1 stop

$323Copa Airlines

Mon, Apr 13 - Fri, Apr 17

9:48 pm - 11:14 am

BWI

SJO

15h 26m

1 stop

12:38 pm - 9:37 am

SJO

BWI

18h 59m

1 stop

$324Multiple Airlines

Sun, Apr 12 - Thu, Apr 16

8:14 pm - 11:28 am

BWI

LIR

17h 14m

1 stop

2:40 pm - 8:56 am

LIR

BWI

16h 16m

2 stops

$325American Airlines

Sat, Apr 25 - Tue, Apr 28

8:17 pm - 11:56 am

BWI

SJO

17h 39m

2 stops

3:19 pm - 1:04 pm

SJO

BWI

19h 45m

2 stops

$325American Airlines

Mon, Jul 13 - Mon, Jul 20

4:40 pm - 7:09 am

BWI

SJO

16h 29m

1 stop

4:10 am - 3:24 pm

SJO

BWI

9h 14m

1 stop

$326Copa Airlines

Fri, May 8 - Mon, May 11

6:12 am - 11:28 am

BWI

LIR

7h 16m

1 stop

12:27 pm - 11:49 pm

LIR

BWI

9h 22m

1 stop

$327American Airlines

Wed, Apr 22 - Fri, May 1

6:00 am - 1:15 pm

BWI

SJO

9h 15m

1 stop

1:20 pm - 12:57 am

SJO

BWI

9h 37m

1 stop

$329Delta

Sat, May 9 - Sat, May 23

8:39 pm - 11:14 am

BWI

SJO

16h 35m

2 stops

12:38 pm - 10:20 pm

SJO

BWI

7h 42m

1 stop

$330Spirit Airlines

Mon, Apr 13 - Fri, Apr 17

Southwest flights from Baltimore to Costa Rica

Our best Southwest deals on Baltimore to Costa Rica flight tickets

Southwest

May 13

BWI7:40 amBaltimore/Washington

6h 30m

1 stop

SJO12:10 pmSan José Juan Santamaria Intl

May 19

SJO9:00 amSan José Juan Santamaria Intl

8h 00m

1 stop

BWI7:00 pmBaltimore/Washington

$321

Southwest

Apr 28

BWI7:40 amBaltimore/Washington

6h 30m

1 stop

SJO12:10 pmSan José Juan Santamaria Intl

May 5

SJO9:00 amSan José Juan Santamaria Intl

9h 10m

1 stop

BWI8:10 pmBaltimore/Washington

$340

Southwest

Apr 24

BWI7:10 amBaltimore/Washington

7h 00m

1 stop

SJO12:10 pmSan José Juan Santamaria Intl

May 1

SJO9:00 amSan José Juan Santamaria Intl

9h 30m

1 stop

BWI8:30 pmBaltimore/Washington

$341

Frontier flights from Baltimore to Costa Rica

Our best Frontier deals on Baltimore to Costa Rica flight tickets

Frontier

Aug 12

BWI9:59 pmBaltimore/Washington

12h 21m

1 stop

SJO8:20 amSan José Juan Santamaria Intl

Aug 30

SJO9:35 amSan José Juan Santamaria Intl

9h 29m

1 stop

BWI9:04 pmBaltimore/Washington

$338

Frontier

Apr 3

BWI10:00 pmBaltimore/Washington

13h 01m

1 stop

SJO9:01 amSan José Juan Santamaria Intl

Apr 9

SJO1:27 pmSan José Juan Santamaria Intl

9h 17m

1 stop

BWI12:44 amBaltimore/Washington

$344

Frontier

Aug 26

BWI9:59 pmBaltimore/Washington

12h 21m

1 stop

SJO8:20 amSan José Juan Santamaria Intl

Aug 31

SJO9:35 amSan José Juan Santamaria Intl

9h 29m

1 stop

BWI9:04 pmBaltimore/Washington

$349

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreLiberia

BWI - LIR

BWILIR

Baltimore/Washington

Mon 4/27

6:55 pm-12:10 pm

2 stops19h 15m

Liberia

Thu 4/30

3:27 pm-11:36 am

1 stop18h 09m

$320

Quickest round-trip

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Wed 5/13

7:40 am-12:10 pm

1 stop6h 30m

San José Juan Santamaria Intl

Tue 5/19

9:00 am-7:00 pm

1 stop8h 00m

$321

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Mon 4/13

4:49 pm-8:20 am

1 stop17h 31m

San José Juan Santamaria Intl

Fri 4/17

4:09 am-3:17 pm

1 stop9h 08m

$323

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Sun 4/12

9:48 pm-11:14 am

1 stop15h 26m

San José Juan Santamaria Intl

Thu 4/16

12:38 pm-9:37 am

1 stop18h 59m

$324

BaltimoreLiberia

BWI - LIR

BWILIR

Baltimore/Washington

Sat 4/25

8:14 pm-11:28 am

1 stop17h 14m

Liberia

Tue 4/28

2:40 pm-8:56 am

2 stops16h 16m

$325

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Mon 7/13

8:17 pm-11:56 am

2 stops17h 39m

San José Juan Santamaria Intl

Mon 7/20

3:19 pm-1:04 pm

2 stops19h 45m

$325

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Fri 5/8

4:40 pm-7:09 am

1 stop16h 29m

San José Juan Santamaria Intl

Mon 5/11

4:10 am-3:24 pm

1 stop9h 14m

$326

BaltimoreLiberia

BWI - LIR

BWILIR

Baltimore/Washington

Wed 4/22

6:12 am-11:28 am

1 stop7h 16m

Liberia

Fri 5/1

12:27 pm-11:49 pm

1 stop9h 22m

$327

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Sat 5/9

6:00 am-1:15 pm

1 stop9h 15m

San José Juan Santamaria Intl

Sat 5/23

1:20 pm-12:57 am

1 stop9h 37m

$329

BaltimoreSan José

BWI - SJO

BWISJO

Baltimore/Washington

Mon 4/13

8:39 pm-11:14 am

2 stops16h 35m

San José Juan Santamaria Intl

Fri 4/17

12:38 pm-10:20 pm

1 stop7h 42m

$330

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Baltimore 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

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Baltimore is in September. Flight prices, which tend to average around $265, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then October is your next best option. Flight prices from Baltimore to Costa Rica during October average around $351.

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

According to our data, Sunday is the cheapest day to fly to Costa Rica from Baltimore. The lowest ticket price found for a Sunday departure recently was $686. 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 $713. 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 Baltimore/Washington to Costa Rica flight route?

Fly from Baltimore/Washington to Liberia for the best Baltimore/Washington - 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 Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $440 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Baltimore for as low as $328 on momondo.

What cabin class options are available on Baltimore/Washington to Costa Rica flights?

There is only 1 cabin class available to choose from on Baltimore/Washington 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 Baltimore to Costa Rica flights?

You could potentially save up to 23% on your flight if you consider stops on a Baltimore to Costa Rica flight.

Cheap Baltimore to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Costa Rica

Best Price Found	$147
Fastest flight time	4h 35m
Direct flights	Mon and Sun
Airports in Costa Rica	40 airports

The best one-way flight to Costa Rica from Baltimore in the past 72 hours is $147. The best round-trip flight deal from Baltimore to Costa Rica found on momondo in the last 72 hours is $588.

The fastest flight from Baltimore to Costa Rica takes 4h 35m

Direct flights go from Baltimore to Costa Rica on Monday and Sunday. The only airline offering direct flights is Southwest.

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

Search flight deals

Frequently asked questions about flying from Baltimore to Costa Rica

When did momondo last update prices for flights from Baltimore/Washington Airport to Costa Rica?
Prices for flights from Baltimore/Washington Airport to Costa Rica were last updated today.
How many operators does momondo search for flights from Baltimore/Washington Airport to Costa Rica?
As of April 2026, there are 7 operators available to choose from for flights from Baltimore/Washington Airport to Costa Rica.
How old do you have to be to fly from Baltimore/Washington Airport to Costa Rica?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The travel and health documents required for your trip to Costa Rica can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Costa Rica. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Baltimore to Costa Rica?
Based on momondo bookings for flights between Baltimore and Costa Rica, the leading plane model is Boeing 737 MAX 8, making up 86.49% of the total bookings. Other popular models include Airbus A320neo with 4.50%, Airbus A318/A319/A320/A321 with 1.80%, and Boeing 737-700 Passenger/BBJ1 (winglets) with 1.80%.

Best airlines flying from Baltimore to Costa Rica

Compare and see reviews for airlines that fly from Baltimore to Costa Rica with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $183	Free Cancellation	Rating 7.9 8,366 reviews	Search Delta flights
Spirit Airlines	PriceFrom $223	Free Cancellation	Rating 6.3 8,578 reviews	Search Spirit Airlines flights
Avianca	PriceFrom $225	Free Cancellation	Rating 6.5 2,505 reviews	Search Avianca flights
American Airlines	PriceFrom $240	Free Cancellation	Rating 7.1 11,549 reviews	Search American Airlines flights
United Airlines	PriceFrom $255	Free Cancellation	Rating 7.4 9,534 reviews	Search United Airlines flights
Southwest	PriceFrom $256	Free Cancellation	Rating 8.0 4,337 reviews	Search Southwest flights
Copa Airlines	PriceFrom $260	Free Cancellation	Rating 7.5 1,578 reviews	Search Copa Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Costa Rica?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Costa Rica from Baltimore.

Can I find flights from Baltimore to Costa Rica with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Costa Rica from Baltimore with this policy.

How can momondo help me find flights from Baltimore to Costa Rica?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Baltimore to Costa Rica.

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

Of course. momondo tracks the price of Baltimore to Costa Rica flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Baltimore to Costa Rica from $89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Costa Rica departing on 4/19. 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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Our best Southwest deals on Baltimore to Costa Rica flight tickets

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Use the filters below to find and compare flights from Baltimore to Costa Rica that are best for you.

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How to get the cheapest flight ticket from Baltimore 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 Baltimore/Washington to Costa Rica flight route?

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

What cabin class options are available on Baltimore/Washington to Costa Rica flights?

Can stopping save me money on Baltimore to Costa Rica flights?

What is the cheapest airline that flies from Baltimore/Washington to Costa Rica?

What airlines fly to Costa Rica?

Cheap Baltimore to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Costa Rica

Best Price Found

Fastest flight time

Direct flights

Airports in Costa Rica

Frequently asked questions about flying from Baltimore to Costa Rica

Best airlines flying from Baltimore to Costa Rica

Compare and see reviews for airlines that fly from Baltimore to Costa Rica with momondo

Why use momondo?

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

Costa Rica flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Costa Rica

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Costa Rica

List of cabin classes available on flights landing in Costa Rica. Availability may vary depending on flight origin and airline.

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