Find Cheap Flights from Baltimore/Washington to Costa Rica

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Baltimore/Washington to Costa Rica

(Round-trip)
Depart: Fri Jun 16 2017 Return: Sat Jun 17 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
BWI
6:52a
SJO
10:18p
15h 26m
1 stop
SJO
9:12p
BWI
4:29a
7h 17m
1 stop
Depart: Tue Sep 26 2017 Return: Tue Oct 3 2017 Trip spans 8 days
JetBlue
JetBlue
BWI
3:00a
SJO
9:30a
6h 30m
1 stop
SJO
8:31a
BWI
5:54p
9h 23m
1 stop
Depart: Wed Jul 19 2017 Return: Tue Jul 25 2017 Trip spans 7 days
American Airlines
American Airlines
BWI
1:10p
SJO
11:42a
22h 32m
1 stop
SJO
10:35a
BWI
3:24a
16h 49m
1 stop
Depart: Wed Jun 7 2017 Return: Fri Jun 9 2017 Trip spans 3 days
Major Airline
Major Airline
BWI
10:40p
SJO
5:32a
6h 52m
1 stop
SJO
4:35a
BWI
7:42a
27h 07m
1 stop
Depart: Tue Aug 22 2017 Return: Thu Sep 14 2017 Trip spans 24 days
Delta
Delta
BWI
9:45a
SJO
5:40p
7h 55m
1 stop
SJO
9:00a
BWI
6:30p
9h 30m
1 stop
Depart: Thu Nov 23 2017 Return: Tue Nov 28 2017 Trip spans 6 days
Aeromexico
Aeromexico
BWI
2:00a
SJO
8:10p
18h 10m
2 stops
SJO
7:50a
BWI
9:46a
25h 56m
2 stops
Depart: Tue May 30 2017 Return: Thu Jun 8 2017 Trip spans 10 days
United
United
BWI
1:25a
SJO
6:20p
16h 55m
1 stop
SJO
8:40a
BWI
11:07a
26h 27m
1 stop
Depart: Wed Sep 27 2017 Return: Wed Oct 4 2017 Trip spans 8 days
JetBlue
JetBlue
BWI
3:00a
SJO
9:30a
6h 30m
1 stop
SJO
8:31a
BWI
5:54p
9h 23m
1 stop
Depart: Thu Jul 20 2017 Return: Tue Jul 25 2017 Trip spans 6 days
American Airlines
American Airlines
BWI
6:35a
SJO
11:42a
29h 07m
1 stop
SJO
10:35a
BWI
3:24a
16h 49m
1 stop
Depart: Tue Oct 17 2017 Return: Tue Oct 31 2017 Trip spans 15 days
Major Airline
Major Airline
BWI
11:00p
SJO
5:30a
6h 30m
1 stop
SJO
4:35a
BWI
1:28a
20h 53m
1 stop
Depart: Tue Jun 6 2017 Return: Fri Jun 9 2017 Trip spans 4 days
Spirit Airlines
Spirit Airlines
BWI
2:40a
SJO
9:32a
6h 52m
1 stop
SJO
8:35a
BWI
5:03p
8h 28m
1 stop
Depart: Mon Sep 11 2017 Return: Tue Sep 12 2017 Trip spans 2 days
JetBlue
JetBlue
BWI
3:00a
SJO
9:30a
6h 30m
1 stop
SJO
8:31a
BWI
5:54p
9h 23m
1 stop
Depart: Mon Jun 19 2017 Return: Fri Jun 23 2017 Trip spans 5 days
American Airlines
American Airlines
BWI
2:35p
SJO
4:02p
25h 27m
1 stop
SJO
10:35a
BWI
3:23a
16h 48m
1 stop
Depart: Mon May 29 2017 Return: Wed Jun 21 2017 Trip spans 24 days
Delta
Delta
BWI
6:00a
SJO
6:07p
12h 07m
1 stop
SJO
3:00a
BWI
6:20p
15h 20m
1 stop
Depart: Tue Sep 19 2017 Return: Wed Sep 27 2017 Trip spans 9 days
JetBlue
JetBlue
BWI
3:00a
SJO
9:30a
6h 30m
1 stop
SJO
8:31a
BWI
5:54p
9h 23m
1 stop
Depart: Thu Oct 5 2017 Return: Wed Oct 11 2017 Trip spans 7 days
Aeromexico
Aeromexico
BWI
2:00a
SJO
9:17p
19h 17m
2 stops
SJO
2:08a
BWI
6:20p
16h 12m
2 stops
Depart: Sun Aug 6 2017 Return: Sat Sep 2 2017 Trip spans 28 days
Major Airline
Major Airline
BWI
11:10p
SJO
5:35a
6h 25m
1 stop
SJO
4:35a
BWI
1:03p
8h 28m
1 stop
Depart: Wed May 31 2017 Return: Wed Jun 7 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
BWI
2:40a
SJO
9:32a
6h 52m
1 stop
SJO
8:35a
BWI
5:03p
8h 28m
1 stop
Depart: Thu Jun 22 2017 Return: Fri Jun 30 2017 Trip spans 9 days
American Airlines
American Airlines
BWI
8:05a
SJO
11:42a
27h 37m
1 stop
SJO
10:35a
BWI
7:05a
20h 30m
1 stop
Depart: Sat Oct 28 2017 Return: Fri Nov 3 2017 Trip spans 7 days
United
United
BWI
1:45a
LIR
9:30a
7h 45m
1 stop
LIR
8:35a
BWI
5:27p
8h 52m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

Baltimore
$296
Destination

Liberia
$389
San Jose
$296