Find Deals on 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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Baltimore/Washington to Costa Rica

(Round-trip)
Depart: Tue Mar 14 2017 Return: Wed Mar 15 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
BWI
2:35a
SJO
9:50a
7h 15m
1 stop
SJO
9:12p
BWI
3:29a
6h 17m
1 stop
Depart: Mon Apr 3 2017 Return: Tue Apr 25 2017 Trip spans 23 days
Major Airline
Major Airline
BWI
10:00p
SJO
2:15p
16h 15m
1 stop
SJO
12:15a
BWI
11:56a
11h 41m
1 stop
Depart: Mon May 1 2017 Return: Wed May 3 2017 Trip spans 3 days
American Airlines
American Airlines
BWI
4:40a
SJO
11:42a
7h 02m
1 stop
SJO
10:35a
BWI
6:02p
7h 27m
1 stop
Depart: Wed May 10 2017 Return: Fri May 12 2017 Trip spans 3 days
JetBlue
JetBlue
BWI
2:50a
SJO
9:31a
6h 41m
1 stop
SJO
8:27a
BWI
5:01p
8h 34m
1 stop
Depart: Mon Apr 24 2017 Return: Thu Apr 27 2017 Trip spans 4 days
Delta
Delta
BWI
1:30a
SJO
6:10p
16h 40m
1 stop
SJO
3:00a
BWI
11:03a
8h 03m
1 stop
Depart: Sun Mar 12 2017 Return: Tue Mar 14 2017 Trip spans 3 days
United
United
BWI
3:20p
SJO
8:40a
17h 20m
1 stop
SJO
2:00a
BWI
4:29p
14h 29m
1 stop
Depart: Tue Mar 28 2017 Return: Wed Mar 29 2017 Trip spans 2 days
Spirit Airlines
Spirit Airlines
BWI
6:29a
SJO
10:22p
15h 53m
1 stop
SJO
9:12p
BWI
3:29a
6h 17m
1 stop
Depart: Wed Apr 26 2017 Return: Tue May 2 2017 Trip spans 7 days
Spirit Airlines
Spirit Airlines
BWI
2:35a
SJO
9:50a
7h 15m
1 stop
SJO
9:07p
BWI
12:04p
14h 57m
1 stop
Depart: Wed May 17 2017 Return: Wed Jun 14 2017 Trip spans 29 days
Major Airline
Major Airline
BWI
2:00a
SJO
9:43a
7h 43m
1 stop
SJO
10:35a
BWI
5:44p
7h 09m
1 stop
Depart: Tue May 30 2017 Return: Tue Jun 6 2017 Trip spans 8 days
Delta
Delta
BWI
11:00a
SJO
5:40p
6h 40m
1 stop
SJO
3:20a
BWI
12:33p
9h 13m
1 stop
Depart: Mon Jun 5 2017 Return: Fri Jun 9 2017 Trip spans 5 days
American Airlines
American Airlines
BWI
1:20p
SJO
11:30a
22h 10m
1 stop
SJO
10:35a
BWI
5:44p
7h 09m
1 stop
Depart: Sun Mar 19 2017 Return: Tue Mar 21 2017 Trip spans 3 days
United
United
BWI
3:20p
SJO
8:40a
17h 20m
1 stop
SJO
7:35a
BWI
4:29p
8h 54m
1 stop
Depart: Sun Apr 30 2017 Return: Wed May 3 2017 Trip spans 4 days
JetBlue
JetBlue
BWI
3:00a
SJO
11:24a
8h 24m
1 stop
SJO
8:27a
BWI
5:01p
8h 34m
1 stop
Depart: Wed Mar 1 2017 Return: Sun Mar 5 2017 Trip spans 5 days
Spirit Airlines
Spirit Airlines
BWI
2:22p
SJO
9:22p
7h 00m
1 stop
SJO
9:12p
BWI
12:32p
15h 20m
1 stop
Depart: Wed Jun 7 2017 Return: Fri Jun 9 2017 Trip spans 3 days
American Airlines
American Airlines
BWI
4:05p
SJO
11:30a
19h 25m
1 stop
SJO
10:35a
BWI
5:44p
7h 09m
1 stop
Depart: Fri May 5 2017 Return: Mon May 8 2017 Trip spans 4 days
Delta
Delta
BWI
5:55a
SJO
5:40p
11h 45m
1 stop
SJO
3:20a
BWI
7:05a
27h 45m
1 stop
Depart: Sat Mar 11 2017 Return: Tue Mar 14 2017 Trip spans 3 days
United
United
BWI
2:20p
SJO
7:40a
16h 20m
1 stop
SJO
2:00a
BWI
12:40p
10h 40m
1 stop
Depart: Tue Jun 6 2017 Return: Thu Jun 15 2017 Trip spans 10 days
JetBlue
JetBlue
BWI
2:50a
SJO
9:31a
6h 41m
1 stop
SJO
8:33a
BWI
5:29p
8h 56m
1 stop
Depart: Thu May 18 2017 Return: Fri May 26 2017 Trip spans 9 days
Major Airline
Major Airline
BWI
10:40p
SJO
5:32a
6h 52m
1 stop
SJO
5:43a
BWI
6:13a
24h 30m
1 stop
Depart: Tue Apr 25 2017 Return: Tue May 2 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
BWI
3:22p
SJO
10:22p
7h 00m
1 stop
SJO
8:35a
BWI
5:04p
8h 29m
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.

We compile tonnes of data for you
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,
please send us an email and someone from our team will get back to you promptly.

^ 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
$246
Destination

San Jose
$246