Find Cheap Flights from Washington Dulles Intl 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 Washington Dulles Intl to Costa Rica

(Round-trip)
Depart: Tue Sep 19 2017 Return: Tue Oct 10 2017 Trip spans 22 days
American Airlines
American Airlines
IAD
3:00p
SJO
7:48a
16h 48m
1 stop
SJO
3:00a
IAD
12:03p
9h 03m
1 stop
Depart: Tue Oct 3 2017 Return: Sat Oct 7 2017 Trip spans 5 days
Major Airline
Major Airline
IAD
2:21a
SJO
4:21p
14h 00m
1 stop
SJO
7:19a
IAD
2:55p
7h 36m
1 stop
Depart: Fri Sep 1 2017 Return: Sat Sep 9 2017 Trip spans 9 days
Copa Airlines
Copa Airlines
IAD
6:21a
SJO
2:00p
7h 39m
1 stop
SJO
7:30a
IAD
6:55p
11h 25m
1 stop
Depart: Thu Oct 26 2017 Return: Tue Oct 31 2017 Trip spans 6 days
Avianca
Avianca
IAD
12:15p
SJO
7:30p
7h 15m
1 stop
SJO
1:47a
IAD
8:16a
6h 29m
1 stop
Depart: Sat Jun 17 2017 Return: Sun Jun 18 2017 Trip spans 2 days
United
United
IAD
8:30a
SJO
10:05p
13h 35m
1 stop
SJO
2:30a
IAD
5:29p
14h 59m
1 stop
Depart: Tue May 30 2017 Return: Tue Jun 6 2017 Trip spans 8 days
Delta
Delta
IAD
10:45a
SJO
6:07p
7h 22m
1 stop
SJO
9:00a
IAD
6:15p
9h 15m
1 stop
Depart: Tue Nov 14 2017 Return: Tue Nov 21 2017 Trip spans 8 days
Aeromexico
Aeromexico
IAD
8:12p
SJO
8:10p
23h 58m
1 stop
SJO
1:08a
IAD
5:54p
16h 46m
1 stop
Depart: Tue Oct 10 2017 Return: Wed Oct 25 2017 Trip spans 16 days
American Airlines
American Airlines
IAD
3:00p
SJO
7:48a
16h 48m
1 stop
SJO
3:00a
IAD
12:03p
9h 03m
1 stop
Depart: Tue Jun 6 2017 Return: Tue Jun 20 2017 Trip spans 15 days
American Airlines
American Airlines
IAD
11:20a
SJO
11:42a
24h 22m
1 stop
SJO
10:35a
IAD
7:11a
20h 36m
1 stop
Depart: Fri Aug 25 2017 Return: Thu Aug 31 2017 Trip spans 7 days
Major Airline
Major Airline
IAD
3:10a
SJO
10:05a
6h 55m
1 stop
SJO
9:40p
IAD
4:16a
6h 36m
1 stop
Depart: Wed Jun 7 2017 Return: Mon Jun 12 2017 Trip spans 6 days
American Airlines
American Airlines
IAD
9:45a
SJO
11:42a
25h 57m
1 stop
SJO
10:35a
IAD
11:08a
24h 33m
1 stop
Depart: Wed Aug 23 2017 Return: Tue Aug 29 2017 Trip spans 7 days
Major Airline
Major Airline
IAD
8:13a
SJO
6:35p
10h 22m
3 stops
SJO
9:40p
IAD
4:16a
6h 36m
3 stops
Depart: Mon Jun 12 2017 Return: Mon Jun 19 2017 Trip spans 8 days
American Airlines
American Airlines
IAD
4:05p
SJO
11:42a
19h 37m
1 stop
SJO
10:35a
IAD
8:46a
22h 11m
1 stop
Depart: Sat Sep 2 2017 Return: Tue Sep 5 2017 Trip spans 4 days
Copa Airlines
Copa Airlines
IAD
6:21a
SJO
2:31p
8h 10m
1 stop
SJO
1:40p
IAD
6:55p
29h 15m
1 stop
Depart: Sat Aug 26 2017 Return: Fri Sep 1 2017 Trip spans 7 days
Major Airline
Major Airline
IAD
2:06a
SJO
3:59p
13h 53m
3 stops
SJO
10:02p
IAD
5:10a
7h 08m
3 stops
Depart: Thu Oct 5 2017 Return: Wed Oct 11 2017 Trip spans 7 days
Avianca
Avianca
IAD
12:15p
SJO
7:30p
7h 15m
1 stop
SJO
1:47a
IAD
8:16a
6h 29m
1 stop
Depart: Sat Jun 24 2017 Return: Thu Jul 6 2017 Trip spans 13 days
United
United
IAD
4:30a
SJO
10:05p
17h 35m
1 stop
SJO
2:30a
IAD
2:45p
12h 15m
1 stop
Depart: Sat Jun 3 2017 Return: Mon Jun 5 2017 Trip spans 3 days
American Airlines
American Airlines
IAD
1:05a
SJO
9:40a
8h 35m
2 stops
SJO
10:35a
IAD
8:46a
22h 11m
1 stop
Depart: Wed Sep 6 2017 Return: Sun Sep 10 2017 Trip spans 5 days
Copa Airlines
Copa Airlines
IAD
6:21a
SJO
2:00p
7h 39m
1 stop
SJO
2:02a
IAD
9:10a
7h 08m
1 stop
Depart: Tue Jun 13 2017 Return: Sun Jun 18 2017 Trip spans 6 days
Major Airline
Major Airline
IAD
2:21a
SJO
10:32a
8h 11m
1 stop
SJO
4:46a
IAD
2:55p
10h 09m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Airports
Origin

Washington
$271
Destination

San Jose
$271