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: Mon Sep 11 2017 Return: Mon Sep 18 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
BWI
2:45a
SJO
9:35a
6h 50m
1 stop
SJO
8:35a
BWI
5:07p
8h 32m
1 stop
Depart: Mon Feb 12 2018 Return: Thu Feb 15 2018 Trip spans 4 days
American Airlines
American Airlines
BWI
1:45a
SJO
10:30a
8h 45m
1 stop
SJO
10:35a
BWI
5:44p
7h 09m
1 stop
Depart: Mon Nov 6 2017 Return: Wed Nov 15 2017 Trip spans 10 days
JetBlue
JetBlue
BWI
2:00a
SJO
9:45a
7h 45m
1 stop
SJO
9:45a
BWI
5:20p
7h 35m
1 stop
Depart: Thu Jan 18 2018 Return: Sat Jan 27 2018 Trip spans 10 days
United
United
BWI
12:50p
SJO
7:30a
18h 40m
1 stop
SJO
8:45a
BWI
5:43p
8h 58m
1 stop
Depart: Sun Nov 5 2017 Return: Sat Nov 11 2017 Trip spans 7 days
Delta
Delta
BWI
1:00a
SJO
8:46a
7h 46m
1 stop
SJO
3:05a
BWI
3:35p
12h 30m
1 stop
Depart: Tue Sep 12 2017 Return: Sat Sep 23 2017 Trip spans 12 days
Spirit Airlines
Spirit Airlines
BWI
2:45a
SJO
9:35a
6h 50m
1 stop
SJO
8:35a
BWI
5:07p
8h 32m
1 stop
Depart: Wed Sep 13 2017 Return: Wed Sep 20 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
BWI
2:45a
SJO
9:35a
6h 50m
1 stop
SJO
8:35a
BWI
5:07p
8h 32m
1 stop
Depart: Sun Feb 4 2018 Return: Fri Feb 9 2018 Trip spans 6 days
American Airlines
American Airlines
BWI
12:20p
SJO
10:30a
22h 10m
1 stop
SJO
10:35a
BWI
5:44p
7h 09m
1 stop
Depart: Sat Sep 16 2017 Return: Sat Sep 23 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
BWI
3:28p
SJO
10:19p
6h 51m
1 stop
SJO
8:35a
BWI
5:07p
8h 32m
1 stop
Depart: Tue Nov 28 2017 Return: Fri Dec 8 2017 Trip spans 11 days
JetBlue
JetBlue
BWI
2:00a
SJO
9:45a
7h 45m
1 stop
SJO
9:45a
BWI
5:20p
7h 35m
1 stop
Depart: Sun Oct 15 2017 Return: Sat Oct 21 2017 Trip spans 7 days
Delta
Delta
BWI
4:00a
SJO
5:59p
13h 59m
1 stop
SJO
3:05a
BWI
11:07a
8h 02m
1 stop
Depart: Sun Jan 28 2018 Return: Fri Feb 2 2018 Trip spans 6 days
United
United
BWI
9:40a
SJO
7:40a
22h 00m
1 stop
SJO
1:30a
BWI
10:12a
8h 42m
1 stop
Depart: Wed Sep 27 2017 Return: Thu Oct 5 2017 Trip spans 9 days
Spirit Airlines
Spirit Airlines
BWI
2:45a
SJO
9:35a
6h 50m
1 stop
SJO
8:35a
BWI
5:07p
8h 32m
1 stop
Depart: Mon Jan 29 2018 Return: Wed Feb 7 2018 Trip spans 10 days
American Airlines
American Airlines
BWI
1:45a
SJO
10:30a
8h 45m
1 stop
SJO
10:35a
BWI
5:44p
7h 09m
1 stop
Depart: Fri Nov 10 2017 Return: Sat Nov 18 2017 Trip spans 9 days
Delta
Delta
BWI
4:00a
SJO
4:40p
12h 40m
1 stop
SJO
3:05a
BWI
6:27p
15h 22m
1 stop
Depart: Thu Sep 28 2017 Return: Tue Oct 3 2017 Trip spans 6 days
Spirit Airlines
Spirit Airlines
BWI
2:45a
SJO
9:35a
6h 50m
1 stop
SJO
8:35a
BWI
5:07p
8h 32m
1 stop
Depart: Thu Feb 8 2018 Return: Fri Feb 16 2018 Trip spans 9 days
United
United
BWI
1:00a
SJO
7:30a
30h 30m
1 stop
SJO
7:32a
BWI
5:57p
10h 25m
1 stop
Depart: Wed Nov 29 2017 Return: Fri Dec 8 2017 Trip spans 10 days
JetBlue
JetBlue
BWI
2:00a
SJO
9:45a
7h 45m
1 stop
SJO
9:45a
BWI
5:20p
7h 35m
1 stop
Depart: Wed Feb 7 2018 Return: Tue Feb 13 2018 Trip spans 7 days
American Airlines
American Airlines
BWI
1:45a
SJO
10:30a
8h 45m
1 stop
SJO
10:35a
BWI
5:44p
7h 09m
1 stop
Depart: Wed Oct 11 2017 Return: Wed Oct 18 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
BWI
2:45a
SJO
9:35a
6h 50m
1 stop
SJO
8:35a
BWI
5:07p
8h 32m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Baltimore
$270
Destination

San Jose
$270