Find Cheap Flights from Islip Long Island 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 Islip Long Island to Costa Rica

(Round-trip)
Depart: Wed Jan 17 2018 Return: Wed Jan 24 2018 Trip spans 8 days
American Airlines
American Airlines
ISP
1:20p
SJO
10:30a
21h 10m
2 stops
SJO
10:35a
ISP
6:30a
19h 55m
2 stops
Depart: Sat Jan 20 2018 Return: Fri Jan 26 2018 Trip spans 7 days
American Airlines
American Airlines
ISP
1:20p
SJO
10:30a
21h 10m
2 stops
SJO
10:35a
ISP
6:30a
19h 55m
2 stops
Depart: Tue Jan 23 2018 Return: Tue Jan 30 2018 Trip spans 8 days
American Airlines
American Airlines
ISP
1:20p
SJO
10:30a
21h 10m
2 stops
SJO
10:35a
ISP
11:52a
25h 17m
2 stops
Depart: Sun Feb 11 2018 Return: Sat Feb 17 2018 Trip spans 7 days
American Airlines
American Airlines
ISP
1:20p
SJO
10:30a
21h 10m
2 stops
SJO
10:35a
ISP
6:30a
19h 55m
2 stops
Depart: Sat Jan 13 2018 Return: Fri Jan 19 2018 Trip spans 7 days
American Airlines
American Airlines
ISP
1:20p
SJO
10:30a
45h 10m
2 stops
SJO
10:35a
ISP
6:30a
19h 55m
2 stops
Depart: Sun Jan 14 2018 Return: Fri Jan 19 2018 Trip spans 6 days
American Airlines
American Airlines
ISP
1:20p
SJO
2:52p
25h 32m
2 stops
SJO
10:35a
ISP
6:30a
19h 55m
2 stops
Depart: Tue Jan 16 2018 Return: Wed Jan 24 2018 Trip spans 9 days
American Airlines
American Airlines
ISP
1:20p
SJO
10:30a
45h 10m
2 stops
SJO
10:35a
ISP
6:30a
19h 55m
2 stops
Depart: Fri Jan 19 2018 Return: Fri Jan 26 2018 Trip spans 8 days
American Airlines
American Airlines
ISP
1:20p
SJO
10:30a
45h 10m
2 stops
SJO
10:35a
ISP
6:30a
19h 55m
2 stops
Depart: Mon Jan 22 2018 Return: Tue Jan 30 2018 Trip spans 9 days
American Airlines
American Airlines
ISP
1:20p
SJO
6:48a
41h 28m
2 stops
SJO
10:35a
ISP
11:52a
25h 17m
2 stops
Depart: Wed Jan 24 2018 Return: Tue Jan 30 2018 Trip spans 7 days
American Airlines
American Airlines
ISP
1:20p
SJO
6:48a
41h 28m
2 stops
SJO
10:35a
ISP
11:52a
25h 17m
2 stops
Depart: Sun Jan 21 2018 Return: Sat Jan 27 2018 Trip spans 7 days
American Airlines
American Airlines
ISP
1:20p
SJO
3:50p
50h 30m
2 stops
SJO
3:54a
ISP
3:55p
12h 01m
2 stops
Depart: Mon Jan 15 2018 Return: Tue Jan 23 2018 Trip spans 9 days
American Airlines
American Airlines
ISP
1:20p
SJO
6:48a
41h 28m
2 stops
SJO
10:35a
ISP
6:30a
43h 55m
2 stops
Depart: Tue Jan 9 2018 Return: Wed Jan 17 2018 Trip spans 9 days
American Airlines
American Airlines
ISP
1:20p
SJO
8:38a
43h 18m
2 stops
SJO
8:38a
ISP
6:30a
45h 52m
2 stops
Depart: Fri Jan 12 2018 Return: Thu Jan 18 2018 Trip spans 7 days
American Airlines
American Airlines
ISP
1:10a
SJO
10:30a
9h 20m
2 stops
SJO
10:35a
ISP
6:30a
19h 55m
2 stops
Depart: Thu Jan 18 2018 Return: Wed Jan 24 2018 Trip spans 7 days
American Airlines
American Airlines
ISP
1:20p
SJO
10:30a
21h 10m
2 stops
SJO
10:35a
ISP
6:30a
19h 55m
2 stops
Depart: Wed Jan 10 2018 Return: Thu Jan 18 2018 Trip spans 9 days
American Airlines
American Airlines
ISP
1:20p
SJO
10:30a
45h 10m
2 stops
SJO
10:35a
ISP
6:30a
19h 55m
2 stops
Depart: Thu Jan 11 2018 Return: Thu Jan 18 2018 Trip spans 8 days
American Airlines
American Airlines
ISP
1:20p
SJO
2:52p
49h 32m
2 stops
SJO
10:35a
ISP
6:30a
19h 55m
2 stops
Depart: Thu Jan 25 2018 Return: Wed Jan 31 2018 Trip spans 7 days
American Airlines
American Airlines
ISP
1:20p
SJO
10:30a
45h 10m
2 stops
SJO
10:35a
ISP
6:30a
19h 55m
2 stops
Depart: Sat Jan 6 2018 Return: Fri Jan 12 2018 Trip spans 7 days
American Airlines
American Airlines
ISP
1:20p
SJO
6:48a
41h 28m
2 stops
SJO
10:35a
ISP
6:30a
19h 55m
2 stops
Depart: Sun Jan 7 2018 Return: Fri Jan 12 2018 Trip spans 6 days
American Airlines
American Airlines
ISP
1:10a
SJO
6:48a
29h 38m
2 stops
SJO
10:35a
ISP
6:30a
19h 55m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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Airports
Origin

Islip
$461
Destination

San Jose
$461