Find Cheap 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: Mon Sep 11 2017 Return: Thu Sep 14 2017 Trip spans 4 days
Major Airline
Major Airline
SJO
12:23a
IAD
2:59p
14h 36m
1 stop
IAD
2:06a
SJO
1:04p
10h 58m
1 stop
Depart: Mon Oct 30 2017 Return: Mon Nov 13 2017 Trip spans 15 days
JetBlue
JetBlue
SJO
9:39a
DCA
3:48a
18h 09m
1 stop
DCA
1:50a
SJO
9:38a
7h 48m
1 stop
Depart: Sat Aug 12 2017 Return: Sun Aug 13 2017 Trip spans 2 days
Copa Airlines
Copa Airlines
SJO
3:35a
IAD
6:59p
15h 24m
1 stop
IAD
6:06a
SJO
6:14a
24h 08m
1 stop
Depart: Mon Dec 25 2017 Return: Mon Jan 1 2018 Trip spans 8 days
United
United
SJO
8:55a
IAD
1:35p
4h 40m
nonstop
IAD
3:50a
SJO
8:55a
5h 05m
nonstop
Depart: Thu Aug 10 2017 Return: Wed Aug 16 2017 Trip spans 7 days
American Airlines
American Airlines
SJO
10:35a
IAD
2:45a
16h 10m
1 stop
IAD
3:05a
SJO
11:42a
8h 37m
1 stop
Depart: Tue Dec 26 2017 Return: Thu Jan 4 2018 Trip spans 10 days
Avianca
Avianca
SJO
12:00p
IAD
7:16a
19h 16m
1 stop
IAD
10:15a
SJO
5:30p
7h 15m
1 stop
Depart: Mon Jul 17 2017 Return: Tue Aug 8 2017 Trip spans 23 days
Delta
Delta
SJO
3:00a
IAD
6:20p
15h 20m
1 stop
IAD
2:30a
SJO
9:50a
7h 20m
1 stop
Depart: Thu Sep 28 2017 Return: Mon Oct 2 2017 Trip spans 5 days
Major Airline
Major Airline
SJO
4:20a
IAD
11:10a
6h 50m
3 stops
IAD
3:10a
SJO
3:30p
12h 20m
3 stops
Depart: Sat Jul 22 2017 Return: Sun Sep 10 2017 Trip spans 51 days
Major Airline
Major Airline
SJO
3:29a
IAD
2:59p
11h 30m
1 stop
IAD
2:06a
SJO
1:04p
10h 58m
1 stop
Depart: Sun Sep 10 2017 Return: Wed Sep 13 2017 Trip spans 4 days
JetBlue
JetBlue
SJO
9:52a
DCA
2:50a
16h 58m
1 stop
DCA
2:00a
SJO
9:30a
7h 30m
1 stop
Depart: Thu Dec 21 2017 Return: Wed Jan 10 2018 Trip spans 21 days
American Airlines
American Airlines
SJO
6:38a
DCA
4:18p
9h 40m
1 stop
DCA
7:04a
SJO
3:50p
8h 46m
1 stop
Depart: Mon Jul 31 2017 Return: Wed Aug 23 2017 Trip spans 24 days
Copa Airlines
Copa Airlines
SJO
3:35a
IAD
6:59p
15h 24m
1 stop
IAD
6:06a
SJO
2:40p
8h 34m
1 stop
Depart: Sun Aug 27 2017 Return: Fri Sep 1 2017 Trip spans 6 days
Major Airline
Major Airline
SJO
4:31a
DCA
3:38a
23h 07m
1 stop
DCA
10:10p
SJO
5:40a
7h 30m
1 stop
Depart: Fri Jul 21 2017 Return: Sun Jul 30 2017 Trip spans 10 days
United
United
SJO
9:05p
IAD
2:41p
17h 36m
1 stop
IAD
4:35a
SJO
11:00a
30h 25m
1 stop
Depart: Thu Aug 3 2017 Return: Sun Aug 6 2017 Trip spans 4 days
American Airlines
American Airlines
SJO
10:35a
IAD
2:45a
16h 10m
1 stop
IAD
4:05p
SJO
11:42a
19h 37m
1 stop
Depart: Sun Aug 6 2017 Return: Thu Aug 10 2017 Trip spans 5 days
Copa Airlines
Copa Airlines
SJO
7:29a
IAD
6:59p
11h 30m
1 stop
IAD
12:30p
SJO
7:59p
7h 29m
1 stop
Depart: Sun Oct 1 2017 Return: Sun Oct 8 2017 Trip spans 8 days
Major Airline
Major Airline
SJO
6:15a
IAD
2:59p
8h 44m
3 stops
IAD
8:13a
SJO
4:31p
8h 18m
3 stops
Depart: Fri Sep 1 2017 Return: Sun Sep 10 2017 Trip spans 10 days
JetBlue
JetBlue
SJO
9:51a
DCA
2:43a
16h 52m
1 stop
DCA
2:00a
SJO
9:30a
7h 30m
1 stop
Depart: Fri Dec 15 2017 Return: Sun Jan 7 2018 Trip spans 24 days
United
United
SJO
1:30a
IAD
2:42p
13h 12m
1 stop
IAD
3:50a
SJO
8:55a
5h 05m
nonstop
Depart: Tue Aug 1 2017 Return: Thu Aug 17 2017 Trip spans 17 days
American Airlines
American Airlines
SJO
10:35a
IAD
8:46a
22h 11m
1 stop
IAD
2:25a
SJO
9:40a
7h 15m
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
$284
Destination

Washington
only $284
only $368
Airlines Airline reviews

1 traveler who booked a flight from San Jose to Washington rated their chosen airline with an average of 6.3

Overall
8.0
Boarding
6.0
Crew
8.0
Comfort
8.0
Food
6.0
Entertainment
2.0