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: Wed Jan 31 2018 Return: Sat Feb 10 2018 Trip spans 11 days
United
United
IAD
12:00a
SJO
2:10p
14h 10m
1 stop
SJO
12:00a
IAD
4:40a
4h 40m
nonstop
Depart: Sat Dec 2 2017 Return: Fri Dec 8 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SJO
1:39p
13h 39m
2 stops
SJO
12:00a
IAD
8:11a
8h 11m
1 stop
Depart: Sun Dec 3 2017 Return: Fri Dec 8 2017 Trip spans 6 days
Delta
Delta
IAD
12:00a
SJO
7:46a
7h 46m
1 stop
SJO
12:00a
IAD
9:11a
9h 11m
1 stop
Depart: Wed Mar 14 2018 Return: Wed Mar 21 2018 Trip spans 8 days
American Airlines
American Airlines
IAD
12:00a
LIR
6:51p
18h 51m
1 stop
LIR
12:00a
IAD
5:51p
17h 51m
1 stop
Depart: Wed Oct 25 2017 Return: Mon Oct 30 2017 Trip spans 6 days
Aeromexico
Aeromexico
IAD
12:00a
SJO
11:30a
11h 30m
1 stop
SJO
12:00a
IAD
10:20a
10h 20m
1 stop
Depart: Fri Feb 2 2018 Return: Fri Feb 9 2018 Trip spans 8 days
Avianca
Avianca
IAD
12:00a
SJO
7:15a
7h 15m
1 stop
SJO
12:00a
IAD
6:29a
6h 29m
1 stop
Depart: Wed Nov 8 2017 Return: Sun Nov 12 2017 Trip spans 5 days
Copa Airlines
Copa Airlines
IAD
12:00a
LIR
5:13a
29h 13m
1 stop
LIR
12:00a
IAD
8:52a
8h 52m
1 stop
Depart: Thu Feb 1 2018 Return: Sat Feb 10 2018 Trip spans 10 days
United
United
IAD
12:00a
SJO
7:10p
19h 10m
1 stop
SJO
12:00a
IAD
4:40a
4h 40m
nonstop
Depart: Sat Feb 3 2018 Return: Sat Feb 10 2018 Trip spans 8 days
United
United
IAD
12:00a
SJO
5:35p
17h 35m
1 stop
SJO
12:00a
IAD
4:40a
4h 40m
nonstop
Depart: Fri Oct 20 2017 Return: Mon Oct 23 2017 Trip spans 4 days
United
United
IAD
12:00a
SJO
3:35p
15h 35m
1 stop
SJO
12:00a
IAD
12:04p
12h 04m
1 stop
Depart: Wed Jan 24 2018 Return: Sun Jan 28 2018 Trip spans 5 days
Delta
Delta
IAD
12:00a
LIR
10:43a
10h 43m
1 stop
LIR
12:00a
IAD
11:52a
11h 52m
1 stop
Depart: Sun Dec 3 2017 Return: Fri Jan 12 2018 Trip spans 41 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
SJO
9:04a
9h 04m
1 stop
SJO
12:00a
IAD
8:14a
8h 14m
1 stop
Depart: Sun Feb 4 2018 Return: Sat Feb 10 2018 Trip spans 7 days
United
United
IAD
12:00a
SJO
2:10p
14h 10m
1 stop
SJO
12:00a
IAD
3:07p
15h 07m
1 stop
Depart: Mon Feb 5 2018 Return: Fri Feb 9 2018 Trip spans 5 days
Delta
Delta
IAD
12:00a
LIR
7:55a
7h 55m
1 stop
LIR
12:00a
IAD
8:59a
8h 59m
1 stop
Depart: Sun Dec 31 2017 Return: Fri Feb 2 2018 Trip spans 34 days
United
United
IAD
12:00a
SJO
2:20p
14h 20m
1 stop
SJO
12:00a
IAD
10:42a
10h 42m
1 stop
Depart: Sat Jan 6 2018 Return: Thu Jan 11 2018 Trip spans 6 days
Delta
Delta
IAD
12:00a
LIR
2:42p
14h 42m
1 stop
LIR
12:00a
IAD
11:52a
11h 52m
1 stop
Depart: Sat Dec 2 2017 Return: Thu Dec 7 2017 Trip spans 6 days
Copa Airlines
Copa Airlines
IAD
12:00a
LIR
11:06p
23h 06m
1 stop
LIR
12:00a
IAD
8:52a
8h 52m
1 stop
Depart: Sun Dec 3 2017 Return: Sun Dec 10 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
IAD
12:00a
LIR
8:52p
20h 52m
1 stop
LIR
12:00a
IAD
8:52a
8h 52m
1 stop
Depart: Fri Oct 20 2017 Return: Tue Oct 24 2017 Trip spans 5 days
United
United
IAD
12:00a
SJO
3:35p
15h 35m
1 stop
SJO
12:00a
IAD
12:04p
12h 04m
1 stop
Depart: Wed Mar 7 2018 Return: Sun Mar 11 2018 Trip spans 5 days
Copa Airlines
Copa Airlines
IAD
12:00a
LIR
9:34p
21h 34m
1 stop
LIR
12:00a
IAD
11:56p
22h 56m
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
$296
Destination

Liberia
$377
San Jose
$296