Find Deals on Flights from Costa Rica to Washington

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 Costa Rica to Washington

(Round-trip)
Depart: Thu Mar 9 2017 Return: Tue Mar 14 2017 Trip spans 5 days
American Airlines
American Airlines
SJO
10:35a
DCA
2:01a
15h 26m
1 stop
DCA
1:25a
SJO
11:30a
10h 05m
1 stop
Depart: Thu Jan 26 2017 Return: Sat Jan 28 2017 Trip spans 3 days
United
United
SJO
10:10a
IAD
8:24a
22h 14m
2 stops
IAD
3:50a
SJO
8:55a
5h 05m
nonstop
Depart: Wed Jan 25 2017 Return: Sat Jan 28 2017 Trip spans 4 days
Major Airline
Major Airline
SJO
10:08p
IAD
1:06p
14h 58m
1 stop
IAD
5:28a
SJO
12:40p
7h 12m
1 stop
Depart: Wed May 24 2017 Return: Sun Jun 4 2017 Trip spans 12 days
JetBlue
JetBlue
SJO
8:29a
DCA
3:59p
7h 30m
1 stop
DCA
2:00a
SJO
9:33a
7h 33m
1 stop
Depart: Wed Jan 18 2017 Return: Thu Jan 26 2017 Trip spans 9 days
Copa Airlines
Copa Airlines
SJO
7:43a
IAD
8:04a
24h 21m
1 stop
IAD
4:07a
SJO
5:16a
25h 09m
1 stop
Depart: Fri Mar 17 2017 Return: Sun Apr 9 2017 Trip spans 24 days
Avianca
Avianca
SJO
1:40a
IAD
8:16a
6h 36m
1 stop
IAD
12:15p
SJO
7:30p
7h 15m
1 stop
Depart: Sun Apr 9 2017 Return: Sat Apr 15 2017 Trip spans 7 days
Delta
Delta
SJO
10:09a
IAD
3:18p
29h 09m
1 stop
IAD
1:30p
SJO
11:04a
21h 34m
1 stop
Depart: Wed Dec 28 2016 Return: Mon Jan 16 2017 Trip spans 20 days
American Airlines
American Airlines
SJO
10:40a
IAD
2:49a
16h 09m
1 stop
IAD
2:14a
SJO
3:04p
12h 50m
1 stop
Depart: Wed Mar 8 2017 Return: Tue Mar 14 2017 Trip spans 6 days
Major Airline
Major Airline
SJO
7:40p
IAD
2:16a
6h 36m
1 stop
IAD
8:15a
SJO
3:30p
7h 15m
1 stop
Depart: Mon Dec 12 2016 Return: Thu Dec 15 2016 Trip spans 4 days
Aeromexico
Aeromexico
SJO
1:08a
IAD
5:45p
16h 37m
1 stop
IAD
8:08p
SJO
7:57a
11h 49m
1 stop
Depart: Fri Jan 20 2017 Return: Sun Jan 22 2017 Trip spans 3 days
Copa Airlines
Copa Airlines
SJO
12:36a
IAD
8:04a
7h 28m
1 stop
IAD
4:07a
SJO
12:34p
8h 27m
1 stop
Depart: Mon Dec 19 2016 Return: Sat Dec 31 2016 Trip spans 13 days
United
United
SJO
8:55a
IAD
1:35p
4h 40m
nonstop
IAD
3:50a
SJO
8:55a
5h 05m
nonstop
Depart: Sat Jan 14 2017 Return: Sun Feb 5 2017 Trip spans 23 days
American Airlines
American Airlines
SJO
10:49a
IAD
11:15a
24h 26m
1 stop
IAD
2:59p
SJO
8:35a
17h 36m
1 stop
Depart: Wed Feb 22 2017 Return: Mon Feb 27 2017 Trip spans 6 days
JetBlue
JetBlue
SJO
7:32a
DCA
4:54p
9h 22m
1 stop
DCA
3:35p
SJO
7:36a
16h 01m
1 stop
Depart: Mon Feb 6 2017 Return: Mon Feb 13 2017 Trip spans 8 days
Copa Airlines
Copa Airlines
SJO
7:43a
IAD
6:06p
10h 23m
1 stop
IAD
4:07a
SJO
12:04p
7h 57m
1 stop
Depart: Tue Apr 25 2017 Return: Sun May 7 2017 Trip spans 13 days
Major Airline
Major Airline
SJO
9:40p
IAD
11:10a
13h 30m
1 stop
IAD
8:15a
SJO
3:30p
7h 15m
1 stop
Depart: Sat Dec 17 2016 Return: Mon Jan 16 2017 Trip spans 31 days
United
United
SJO
8:55a
IAD
1:35p
4h 40m
nonstop
IAD
1:50p
SJO
7:40a
17h 50m
1 stop
Depart: Tue Dec 27 2016 Return: Sun Jan 15 2017 Trip spans 20 days
American Airlines
American Airlines
SJO
10:40a
IAD
2:49a
16h 09m
1 stop
IAD
8:44a
SJO
8:35a
23h 51m
1 stop
Depart: Mon Dec 26 2016 Return: Sat Dec 31 2016 Trip spans 6 days
American Airlines
American Airlines
SJO
10:40a
DCA
7:36p
8h 56m
1 stop
DCA
3:05p
SJO
3:03p
23h 58m
1 stop
Depart: Sat Dec 24 2016 Return: Sat Jan 7 2017 Trip spans 15 days
United
United
SJO
9:05p
DCA
5:22a
8h 17m
1 stop
DCA
12:45a
SJO
7:05a
30h 20m
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.

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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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

San Jose
$196
Destination

Washington
only $220
only $196