Find Cheap Flights from Costa Rica to United States

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

Book cheap flights from Costa Rica to United States

(Round-trip)
Depart: Tue Sep 26 2017 Return: Thu Sep 28 2017 Trip spans 3 days
Spirit Airlines
Spirit Airlines
SJO
BWI
8h 32m
1 stop
BWI
SJO
6h 50m
1 stop
Depart: Tue Oct 10 2017 Return: Thu Oct 26 2017 Trip spans 17 days
Delta
Delta
SJO
BWI
15h 10m
1 stop
BWI
SJO
7h 55m
1 stop
Depart: Fri Oct 6 2017 Return: Sat Oct 7 2017 Trip spans 2 days
American Airlines
American Airlines
SJO
DFW
4h 23m
nonstop
DFW
SJO
12h 39m
2 stops
Depart: Mon Sep 11 2017 Return: Thu Sep 21 2017 Trip spans 11 days
Aeromexico
Aeromexico
SJO
DCA
15h 42m
2 stops
DCA
SJO
29h 51m
2 stops
Depart: Sun Oct 1 2017 Return: Tue Oct 3 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
SJO
EWR
5h 15m
nonstop
EWR
SJO
22h 28m
2 stops
Depart: Tue Dec 26 2017 Return: Thu Jan 25 2018 Trip spans 31 days
United
United
LIR
EWR
5h 00m
nonstop
EWR
LIR
5h 25m
nonstop
Depart: Sat Oct 14 2017 Return: Thu Oct 26 2017 Trip spans 13 days
Copa Airlines
Copa Airlines
SJO
BOS
28h 32m
1 stop
BOS
SJO
11h 54m
1 stop
Depart: Tue Oct 3 2017 Return: Tue Oct 10 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
LIR
LAX
5h 55m
nonstop
LAX
LIR
5h 42m
nonstop
Depart: Fri Jan 26 2018 Return: Sat Feb 10 2018 Trip spans 16 days
Avianca
Avianca
SJO
BOS
17h 07m
1 stop
BOS
SJO
17h 38m
2 stops
Depart: Tue Dec 26 2017 Return: Mon Jan 8 2018 Trip spans 14 days
Air Canada
Air Canada
SJO
ATL
12h 41m
1 stop
ATL
SJO
16h 15m
1 stop
Depart: Tue Sep 12 2017 Return: Thu Sep 21 2017 Trip spans 10 days
Spirit Airlines
Spirit Airlines
SJO
BWI
8h 32m
1 stop
BWI
SJO
6h 50m
1 stop
Depart: Thu Nov 2 2017 Return: Tue Nov 14 2017 Trip spans 13 days
Delta
Delta
SJO
BWI
15h 10m
1 stop
BWI
SJO
7h 46m
1 stop
Depart: Tue Nov 7 2017 Return: Wed Nov 8 2017 Trip spans 2 days
American Airlines
American Airlines
SJO
DFW
4h 11m
nonstop
DFW
SJO
12h 50m
2 stops
Depart: Tue Sep 12 2017 Return: Tue Sep 19 2017 Trip spans 8 days
Spirit Airlines
Spirit Airlines
SJO
ATL
9h 53m
1 stop
ATL
SJO
5h 55m
1 stop
Depart: Tue Nov 7 2017 Return: Wed Nov 8 2017 Trip spans 2 days
American Airlines
American Airlines
SJO
ATL
12h 14m
3 stops
ATL
SJO
28h 48m
2 stops
Depart: Thu Sep 28 2017 Return: Wed Oct 4 2017 Trip spans 7 days
Aeromexico
Aeromexico
SJO
DEN
30h 22m
1 stop
DEN
SJO
23h 00m
2 stops
Depart: Wed Dec 20 2017 Return: Wed Jan 17 2018 Trip spans 29 days
United
United
LIR
EWR
5h 00m
nonstop
EWR
LIR
12h 15m
1 stop
Depart: Fri Oct 27 2017 Return: Mon Oct 30 2017 Trip spans 4 days
Copa Airlines
Copa Airlines
SJO
BOS
9h 40m
1 stop
BOS
SJO
8h 34m
1 stop
Depart: Mon Dec 18 2017 Return: Sun Dec 31 2017 Trip spans 14 days
Multiple Airlines
Multiple Airlines
SJO
BWI
8h 27m
1 stop
BWI
SJO
22h 10m
1 stop
Depart: Tue Sep 12 2017 Return: Thu Sep 28 2017 Trip spans 17 days
Spirit Airlines
Spirit Airlines
SJO
DTW
9h 06m
1 stop
DTW
SJO
6h 55m
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

Liberia
$349
San Jose
$260
Destination

Detroit
$302
Baltimore
$260
Atlanta
$281
Los Angeles
$401
Newark
$340
Denver
$350
Dallas
$295
Washington
$337
Boston
$358