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: Thu Aug 24 2017 Return: Sat Sep 2 2017 Trip spans 10 days
Spirit Airlines
Spirit Airlines
BWI
3:10a
SJO
9:35a
6h 25m
1 stop
SJO
8:35a
BWI
5:03p
8h 28m
1 stop
Depart: Sun Aug 27 2017 Return: Wed Sep 6 2017 Trip spans 11 days
Major Airline
Major Airline
BWI
2:55a
SJO
5:17p
14h 22m
2 stops
SJO
10:08p
BWI
2:27p
16h 19m
2 stops
Depart: Mon Oct 9 2017 Return: Wed Oct 18 2017 Trip spans 10 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 Aug 21 2017 Return: Fri Aug 25 2017 Trip spans 5 days
American Airlines
American Airlines
BWI
1:10a
SJO
11:42a
10h 32m
1 stop
SJO
2:55a
BWI
4:59a
26h 04m
1 stop
Depart: Wed Aug 16 2017 Return: Sun Aug 27 2017 Trip spans 12 days
Aeromexico
Aeromexico
BWI
3:40p
SJO
8:50a
41h 10m
2 stops
SJO
2:08a
BWI
3:23p
37h 15m
2 stops
Depart: Fri Sep 22 2017 Return: Wed Sep 27 2017 Trip spans 6 days
Delta
Delta
BWI
3:00a
LIR
10:03a
7h 03m
1 stop
LIR
9:10a
BWI
6:30p
9h 20m
1 stop
Depart: Fri Nov 24 2017 Return: Thu Nov 30 2017 Trip spans 7 days
United
United
BWI
1:50a
LIR
8:50a
31h 00m
1 stop
LIR
9:25a
BWI
5:57p
8h 32m
1 stop
Depart: Sat Aug 26 2017 Return: Thu Sep 7 2017 Trip spans 13 days
Spirit Airlines
Spirit Airlines
BWI
6:52a
SJO
10:18p
15h 26m
1 stop
SJO
8:35a
BWI
5:04p
8h 29m
1 stop
Depart: Fri Sep 1 2017 Return: Sat Sep 9 2017 Trip spans 9 days
Major Airline
Major Airline
BWI
2:52a
SJO
6:18p
15h 26m
3 stops
SJO
4:35a
BWI
1:04p
8h 29m
3 stops
Depart: Tue Aug 29 2017 Return: Sat Sep 2 2017 Trip spans 5 days
Spirit Airlines
Spirit Airlines
BWI
3:10a
SJO
9:35a
6h 25m
1 stop
SJO
8:35a
BWI
5:03p
8h 28m
1 stop
Depart: Tue Oct 10 2017 Return: Wed Oct 18 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: Sat Oct 7 2017 Return: Tue Oct 10 2017 Trip spans 4 days
American Airlines
American Airlines
BWI
2:40p
SJO
3:52p
25h 12m
1 stop
SJO
3:54a
BWI
4:48p
12h 54m
1 stop
Depart: Sun Nov 12 2017 Return: Sat Nov 18 2017 Trip spans 7 days
Air Canada
Air Canada
BWI
1:00a
SJO
5:15p
16h 15m
1 stop
SJO
4:15a
BWI
4:02p
11h 47m
1 stop
Depart: Wed Aug 30 2017 Return: Thu Sep 7 2017 Trip spans 9 days
Spirit Airlines
Spirit Airlines
BWI
3:10a
SJO
9:35a
6h 25m
1 stop
SJO
8:35a
BWI
5:04p
8h 29m
1 stop
Depart: Wed Oct 11 2017 Return: Wed Oct 18 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: Sat Oct 21 2017 Return: Fri Oct 27 2017 Trip spans 7 days
American Airlines
American Airlines
BWI
2:40p
SJO
3:52p
25h 12m
1 stop
SJO
3:54a
BWI
4:48p
12h 54m
1 stop
Depart: Fri Oct 6 2017 Return: Tue Oct 10 2017 Trip spans 5 days
Major Airline
Major Airline
BWI
11:00p
SJO
5:30a
6h 30m
1 stop
SJO
5:52a
BWI
6:26a
24h 34m
1 stop
Depart: Sat Sep 2 2017 Return: Sat Sep 9 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
BWI
2:08p
SJO
10:18p
8h 10m
1 stop
SJO
8:35a
BWI
5:04p
8h 29m
1 stop
Depart: Thu Nov 23 2017 Return: Tue Nov 28 2017 Trip spans 6 days
Aeromexico
Aeromexico
BWI
2:35a
SJO
7:50a
29h 15m
2 stops
SJO
1:08a
BWI
6:30p
17h 22m
2 stops
Depart: Tue Oct 24 2017 Return: Tue Oct 31 2017 Trip spans 8 days
American Airlines
American Airlines
BWI
2:40p
SJO
3:52p
25h 12m
1 stop
SJO
3:54a
BWI
12:37p
8h 43m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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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Airports
Origin

Baltimore
$261
Destination

Liberia
$389
San Jose
$261