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
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Costa Rica to Washington

(Round-trip)
Depart: Thu Apr 20 2017 Return: Fri Apr 28 2017 Trip spans 9 days
Major Airline
Major Airline
SJO
4:35a
DCA
12:14a
19h 39m
1 stop
DCA
10:00p
SJO
7:23a
9h 23m
1 stop
Depart: Thu Mar 30 2017 Return: Mon Apr 3 2017 Trip spans 5 days
Delta
Delta
SJO
3:00a
DCA
11:08a
8h 08m
1 stop
DCA
8:23a
SJO
6:10p
9h 47m
1 stop
Depart: Wed Apr 26 2017 Return: Mon May 1 2017 Trip spans 6 days
American Airlines
American Airlines
SJO
10:35a
DCA
5:38p
7h 03m
1 stop
DCA
1:40a
SJO
11:42a
10h 02m
1 stop
Depart: Wed Mar 29 2017 Return: Mon Apr 3 2017 Trip spans 6 days
United
United
SJO
2:30a
DCA
3:44p
13h 14m
1 stop
DCA
2:50a
SJO
11:05a
8h 15m
1 stop
Depart: Thu Aug 24 2017 Return: Fri Sep 8 2017 Trip spans 16 days
Aeromexico
Aeromexico
SJO
7:50a
IAD
5:54p
10h 04m
1 stop
IAD
9:17p
SJO
8:50a
11h 33m
1 stop
Depart: Tue Aug 1 2017 Return: Thu Aug 17 2017 Trip spans 17 days
Avianca
Avianca
SJO
1:40a
IAD
8:16a
6h 36m
1 stop
IAD
12:15p
SJO
7:30p
7h 15m
1 stop
Depart: Thu Jun 1 2017 Return: Fri Jun 9 2017 Trip spans 9 days
JetBlue
JetBlue
SJO
8:27a
DCA
3:59p
7h 32m
1 stop
DCA
4:11p
SJO
9:31a
17h 20m
1 stop
Depart: Mon Apr 3 2017 Return: Mon Apr 10 2017 Trip spans 8 days
Copa Airlines
Copa Airlines
SJO
1:40p
IAD
9:10a
19h 30m
1 stop
IAD
12:29p
SJO
8:21p
7h 52m
1 stop
Depart: Tue Apr 25 2017 Return: Sat Apr 29 2017 Trip spans 5 days
Major Airline
Major Airline
SJO
8:32p
IAD
5:10a
8h 38m
1 stop
IAD
2:21a
SJO
4:21p
14h 00m
1 stop
Depart: Tue May 9 2017 Return: Sat May 13 2017 Trip spans 5 days
Major Airline
Major Airline
SJO
9:47p
IAD
11:10a
13h 23m
1 stop
IAD
2:00p
SJO
5:35a
15h 35m
1 stop
Depart: Tue Apr 4 2017 Return: Wed Apr 12 2017 Trip spans 9 days
Delta
Delta
SJO
9:00a
DCA
5:59p
8h 59m
1 stop
DCA
2:59a
SJO
9:45a
6h 46m
1 stop
Depart: Mon May 1 2017 Return: Tue May 2 2017 Trip spans 2 days
American Airlines
American Airlines
SJO
10:35a
IAD
4:17a
17h 42m
1 stop
IAD
7:39a
SJO
3:50p
8h 11m
1 stop
Depart: Mon May 29 2017 Return: Tue Jun 6 2017 Trip spans 9 days
Major Airline
Major Airline
SJO
11:43p
IAD
2:55p
15h 12m
1 stop
IAD
2:21a
SJO
12:56p
10h 35m
1 stop
Depart: Wed May 17 2017 Return: Sun May 28 2017 Trip spans 12 days
American Airlines
American Airlines
SJO
6:40a
IAD
5:57p
11h 17m
1 stop
IAD
3:02p
SJO
7:44a
16h 42m
1 stop
Depart: Fri Mar 31 2017 Return: Sat Apr 1 2017 Trip spans 2 days
United
United
SJO
7:55p
IAD
12:35a
4h 40m
nonstop
IAD
4:50a
SJO
9:55a
5h 05m
nonstop
Depart: Wed Apr 19 2017 Return: Wed Apr 26 2017 Trip spans 8 days
American Airlines
American Airlines
SJO
10:35a
IAD
9:36a
23h 01m
1 stop
IAD
3:00a
SJO
11:42a
8h 42m
1 stop
Depart: Tue May 30 2017 Return: Tue Jun 6 2017 Trip spans 8 days
JetBlue
JetBlue
SJO
9:43a
DCA
3:04a
17h 21m
1 stop
DCA
2:00a
SJO
9:31a
7h 31m
1 stop
Depart: Thu May 18 2017 Return: Sun May 21 2017 Trip spans 4 days
Major Airline
Major Airline
SJO
4:28a
DCA
11:59a
7h 31m
1 stop
DCA
6:19a
SJO
5:32a
23h 13m
1 stop
Depart: Mon Jun 26 2017 Return: Mon Jul 17 2017 Trip spans 22 days
Avianca
Avianca
SJO
8:20a
IAD
3:10p
6h 50m
1 stop
IAD
12:15p
SJO
7:30p
7h 15m
1 stop
Depart: Wed Apr 5 2017 Return: Tue Apr 11 2017 Trip spans 7 days
United
United
SJO
7:30a
DCA
4:02p
8h 32m
1 stop
DCA
3:10a
SJO
6:20p
15h 10m
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

San Jose
$280
Destination

Washington
only $280
only $280