Find Deals on Flights from 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
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 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: Mon Feb 27 2017 Return: Wed Mar 8 2017 Trip spans 10 days
Delta
Delta
IAD
2:00a
SJO
8:46a
6h 46m
1 stop
SJO
9:00a
IAD
5:39p
8h 39m
1 stop
Depart: Mon Jan 16 2017 Return: Mon Jan 23 2017 Trip spans 8 days
American Airlines
American Airlines
DCA
6:40a
SJO
3:04p
8h 24m
1 stop
SJO
8:39a
DCA
1:54a
17h 15m
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: Tue Mar 21 2017 Return: Tue Mar 28 2017 Trip spans 8 days
United
United
DCA
1:45a
SJO
9:40a
7h 55m
1 stop
SJO
9:05p
DCA
3:44p
18h 39m
1 stop
Depart: Thu Mar 16 2017 Return: Fri Mar 31 2017 Trip spans 16 days
Aeromexico
Aeromexico
IAD
9:58p
SJO
9:37a
11h 39m
1 stop
SJO
2:08a
IAD
6:34p
16h 26m
1 stop
Depart: Fri Mar 24 2017 Return: Mon Mar 27 2017 Trip spans 4 days
Copa Airlines
Copa Airlines
IAD
6:10a
SJO
7:35p
13h 25m
1 stop
SJO
8:46a
IAD
9:11a
24h 25m
1 stop
Depart: Wed Jun 21 2017 Return: Thu Jun 29 2017 Trip spans 9 days
Avianca
Avianca
IAD
7:10a
SJO
7:30p
12h 20m
1 stop
SJO
8:20a
IAD
3:10p
6h 50m
1 stop
Depart: Wed Feb 8 2017 Return: Tue Feb 14 2017 Trip spans 7 days
Major Airline
Major Airline
IAD
11:07p
SJO
1:25p
14h 18m
1 stop
SJO
5:04a
IAD
1:06p
8h 02m
1 stop
Depart: Tue Feb 28 2017 Return: Wed Mar 8 2017 Trip spans 9 days
Delta
Delta
IAD
2:00a
SJO
4:40p
14h 40m
1 stop
SJO
9:00a
IAD
5:39p
8h 39m
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: Mon Mar 6 2017 Return: Wed Mar 15 2017 Trip spans 9 days
Delta
Delta
IAD
2:00a
SJO
8:46a
6h 46m
1 stop
SJO
9:00a
IAD
5:43p
8h 43m
1 stop
Depart: Tue Mar 7 2017 Return: Wed Mar 15 2017 Trip spans 8 days
Delta
Delta
IAD
2:00a
SJO
8:46a
6h 46m
1 stop
SJO
9:00a
IAD
5:43p
8h 43m
1 stop
Depart: Sun Mar 26 2017 Return: Tue Apr 4 2017 Trip spans 10 days
Major Airline
Major Airline
IAD
2:10a
SJO
3:35p
13h 25m
1 stop
SJO
7:21a
IAD
2:55p
7h 34m
1 stop
Depart: Wed Mar 8 2017 Return: Wed Mar 15 2017 Trip spans 7 days
Delta
Delta
IAD
4:45a
SJO
4:40p
11h 55m
1 stop
SJO
9:00a
IAD
5:43p
8h 43m
1 stop
Depart: Wed Feb 22 2017 Return: Thu Mar 2 2017 Trip spans 9 days
American Airlines
American Airlines
DCA
1:59a
SJO
9:23a
7h 24m
1 stop
SJO
10:49a
DCA
2:53a
16h 04m
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: Sun Apr 23 2017 Return: Mon May 1 2017 Trip spans 9 days
Major Airline
Major Airline
IAD
2:10a
SJO
12:51p
10h 41m
1 stop
SJO
7:21a
IAD
2:55p
7h 34m
1 stop
Depart: Sat Mar 11 2017 Return: Mon Mar 13 2017 Trip spans 2 days
United
United
IAD
5:10p
SJO
11:15p
6h 05m
nonstop
SJO
9:05p
IAD
10:05a
13h 00m
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
* 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.

Airports
Origin

Washington
only $234
only $234
Destination

San Jose
$234