Find Deals on Flights from Washington Reagan-National 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
Students
under 26
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Washington Reagan-National to Costa Rica

(Round-trip)
Depart: Sun Jan 29 2017 Return: Thu Feb 2 2017 Trip spans 5 days
Major Airline
Major Airline
DCA
8:00p
SJO
3:30a
7h 30m
1 stop
SJO
3:57a
DCA
11:34p
19h 37m
1 stop
Depart: Wed Mar 29 2017 Return: Wed Apr 5 2017 Trip spans 8 days
Delta
Delta
DCA
9:45a
SJO
5:40p
7h 55m
1 stop
SJO
10:09a
DCA
6:05p
7h 56m
1 stop
Depart: Sun Feb 5 2017 Return: Wed Feb 8 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
3:02p
SJO
8:35a
17h 33m
1 stop
SJO
10:49a
DCA
1:54a
15h 05m
1 stop
Depart: Sun Jun 4 2017 Return: Sat Jun 10 2017 Trip spans 7 days
JetBlue
JetBlue
DCA
2:00a
SJO
9:33a
7h 33m
1 stop
SJO
8:29a
DCA
3:59p
7h 30m
1 stop
Depart: Thu Jan 19 2017 Return: Mon Jan 23 2017 Trip spans 5 days
United
United
DCA
2:25p
SJO
8:40a
18h 15m
1 stop
SJO
10:10a
DCA
12:42p
26h 32m
1 stop
Depart: Thu Feb 9 2017 Return: Wed Feb 15 2017 Trip spans 7 days
Major Airline
Major Airline
DCA
5:59a
SJO
7:57a
25h 58m
1 stop
SJO
3:45a
DCA
12:07p
8h 22m
1 stop
Depart: Wed Apr 19 2017 Return: Wed Apr 26 2017 Trip spans 8 days
Delta
Delta
DCA
2:00a
SJO
5:40p
15h 40m
1 stop
SJO
3:20a
DCA
6:05p
14h 45m
1 stop
Depart: Mon Apr 24 2017 Return: Thu May 4 2017 Trip spans 11 days
Delta
Delta
DCA
4:15p
SJO
9:46a
17h 31m
1 stop
SJO
3:20a
DCA
6:09p
14h 49m
1 stop
Depart: Sun Jan 22 2017 Return: Thu Jan 26 2017 Trip spans 5 days
Air Canada
Air Canada
DCA
1:00a
SJO
5:15p
16h 15m
1 stop
SJO
4:15a
DCA
4:21p
12h 06m
1 stop
Depart: Mon May 1 2017 Return: Tue May 9 2017 Trip spans 9 days
Delta
Delta
DCA
4:15p
SJO
9:46a
17h 31m
1 stop
SJO
3:20a
DCA
12:15p
8h 55m
1 stop
Depart: Tue May 2 2017 Return: Tue May 9 2017 Trip spans 8 days
Delta
Delta
DCA
2:59a
SJO
5:40p
14h 41m
1 stop
SJO
3:20a
DCA
1:27p
10h 07m
1 stop
Depart: Tue Jan 17 2017 Return: Mon Jan 30 2017 Trip spans 14 days
Major Airline
Major Airline
DCA
8:00p
SJO
3:30a
7h 30m
1 stop
SJO
3:26a
DCA
6:56a
27h 30m
1 stop
Depart: Mon Feb 20 2017 Return: Thu Feb 23 2017 Trip spans 4 days
American Airlines
American Airlines
DCA
3:55a
SJO
10:51a
6h 56m
1 stop
SJO
10:49a
DCA
1:54a
15h 05m
1 stop
Depart: Wed Jun 7 2017 Return: Tue Jun 13 2017 Trip spans 7 days
JetBlue
JetBlue
DCA
2:00a
SJO
9:33a
7h 33m
1 stop
SJO
8:29a
DCA
3:59p
7h 30m
1 stop
Depart: Wed May 3 2017 Return: Tue May 9 2017 Trip spans 7 days
Delta
Delta
DCA
2:59a
SJO
9:46a
6h 47m
1 stop
SJO
3:20a
DCA
6:09p
14h 49m
1 stop
Depart: Tue Jan 24 2017 Return: Mon Jan 30 2017 Trip spans 7 days
Major Airline
Major Airline
DCA
10:41a
SJO
3:30a
16h 49m
1 stop
SJO
5:10a
DCA
12:20a
19h 10m
1 stop
Depart: Fri Jan 20 2017 Return: Mon Jan 23 2017 Trip spans 4 days
United
United
DCA
12:45a
SJO
8:40a
7h 55m
1 stop
SJO
10:10a
DCA
12:42p
26h 32m
1 stop
Depart: Mon Feb 27 2017 Return: Tue Mar 7 2017 Trip spans 9 days
American Airlines
American Airlines
DCA
12:40a
SJO
10:51a
10h 11m
1 stop
SJO
10:35a
DCA
2:01a
15h 26m
1 stop
Depart: Thu May 4 2017 Return: Wed May 10 2017 Trip spans 7 days
Delta
Delta
DCA
2:00a
SJO
5:40p
15h 40m
1 stop
SJO
9:00a
DCA
6:09p
9h 09m
1 stop
Depart: Mon Feb 6 2017 Return: Mon Feb 13 2017 Trip spans 8 days
Major Airline
Major Airline
DCA
8:00p
SJO
3:59a
7h 59m
1 stop
SJO
7:53a
DCA
5:57a
22h 04m
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.

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Airports
Origin

Washington
$234
Destination

San Jose
$234