Find Cheap Flights from Buffalo to Islip Long Island (BUF - ISP)

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 Buffalo to Islip Long Island

(Round-trip)
Depart: Sat Sep 30 2017 Return: Tue Oct 3 2017 Trip spans 4 days
Southwest
Southwest
BUF
2:20a
ISP
8:05a
5h 45m
1 stop
ISP
5:15a
BUF
9:45a
4h 30m
1 stop
Depart: Sat Oct 7 2017 Return: Mon Oct 9 2017 Trip spans 3 days
American Airlines
American Airlines
BUF
1:44p
ISP
5:55p
4h 11m
1 stop
ISP
2:20p
BUF
5:59p
3h 39m
1 stop
Depart: Mon Oct 2 2017 Return: Wed Oct 4 2017 Trip spans 3 days
Southwest
Southwest
BUF
5:35a
ISP
11:30a
5h 55m
1 stop
ISP
5:15a
BUF
9:45a
4h 30m
1 stop
Depart: Sat Oct 14 2017 Return: Tue Oct 17 2017 Trip spans 4 days
Southwest
Southwest
BUF
12:50p
ISP
6:40p
5h 50m
1 stop
ISP
1:40p
BUF
7:40p
6h 00m
1 stop
Depart: Wed Oct 4 2017 Return: Mon Oct 9 2017 Trip spans 6 days
American Airlines
American Airlines
BUF
4:18a
ISP
8:23a
4h 05m
1 stop
ISP
2:20p
BUF
5:59p
3h 39m
1 stop
Depart: Wed Sep 27 2017 Return: Sat Sep 30 2017 Trip spans 4 days
Southwest
Southwest
BUF
2:00a
ISP
7:55a
5h 55m
1 stop
ISP
1:15p
BUF
6:45p
5h 30m
1 stop
Depart: Tue Jun 27 2017 Return: Mon Jul 3 2017 Trip spans 7 days
American Airlines
American Airlines
BUF
9:05a
ISP
1:23p
4h 18m
1 stop
ISP
9:07a
BUF
1:20p
4h 13m
1 stop
Depart: Wed Jul 26 2017 Return: Wed Aug 30 2017 Trip spans 36 days
Southwest
Southwest
BUF
2:00a
ISP
7:35a
5h 35m
1 stop
ISP
2:20a
BUF
8:00a
5h 40m
1 stop
Depart: Fri Sep 8 2017 Return: Mon Sep 11 2017 Trip spans 4 days
Southwest
Southwest
BUF
1:50p
ISP
7:50p
6h 00m
1 stop
ISP
11:45a
BUF
5:35p
5h 50m
1 stop
Depart: Sun Oct 8 2017 Return: Mon Oct 9 2017 Trip spans 2 days
American Airlines
American Airlines
BUF
4:30a
ISP
8:30a
4h 00m
1 stop
ISP
2:20p
BUF
5:59p
3h 39m
1 stop
Depart: Tue Dec 12 2017 Return: Fri Dec 15 2017 Trip spans 4 days
Southwest
Southwest
BUF
11:25a
ISP
2:25p
3h 00m
1 stop
ISP
1:05a
BUF
6:55a
5h 50m
1 stop
Depart: Wed Jun 28 2017 Return: Mon Jul 3 2017 Trip spans 6 days
American Airlines
American Airlines
BUF
9:05a
ISP
1:23p
4h 18m
1 stop
ISP
9:07a
BUF
1:20p
4h 13m
1 stop
Depart: Mon Sep 4 2017 Return: Thu Sep 7 2017 Trip spans 4 days
Southwest
Southwest
BUF
2:45a
ISP
7:50a
5h 05m
1 stop
ISP
11:45a
BUF
5:35p
5h 50m
1 stop
Depart: Sun Jul 2 2017 Return: Mon Jul 3 2017 Trip spans 2 days
American Airlines
American Airlines
BUF
4:10a
ISP
8:41a
4h 31m
1 stop
ISP
1:55p
BUF
6:22p
4h 27m
1 stop
Depart: Tue Sep 19 2017 Return: Thu Sep 21 2017 Trip spans 3 days
Southwest
Southwest
BUF
2:00a
ISP
7:55a
5h 55m
1 stop
ISP
11:45a
BUF
5:35p
5h 50m
1 stop
Depart: Sat Jul 8 2017 Return: Sun Jul 9 2017 Trip spans 2 days
American Airlines
American Airlines
BUF
4:10a
ISP
8:40a
4h 30m
1 stop
ISP
1:55p
BUF
6:20p
4h 25m
1 stop
Depart: Thu Oct 5 2017 Return: Sat Oct 7 2017 Trip spans 3 days
Southwest
Southwest
BUF
2:05a
ISP
6:30a
4h 25m
1 stop
ISP
1:20p
BUF
6:45p
5h 25m
1 stop
Depart: Thu Jun 29 2017 Return: Mon Jul 3 2017 Trip spans 5 days
American Airlines
American Airlines
BUF
9:05a
ISP
1:23p
4h 18m
1 stop
ISP
9:07a
BUF
1:20p
4h 13m
1 stop
Depart: Wed Jul 12 2017 Return: Sat Jul 15 2017 Trip spans 4 days
Southwest
Southwest
BUF
2:00a
ISP
7:35a
5h 35m
1 stop
ISP
12:30p
BUF
4:55p
4h 25m
1 stop
Depart: Fri Jul 21 2017 Return: Fri Jul 28 2017 Trip spans 8 days
Southwest
Southwest
BUF
2:25p
ISP
8:25p
6h 00m
1 stop
ISP
2:00a
BUF
6:05a
4h 05m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

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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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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

Buffalo
$318
Destination

Islip
$318