Find Cheap Flights to Chicago O'Hare International

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 Chicago O'Hare International

(Round-trip)
Depart: Sat Oct 21 2017 Return: Wed Oct 25 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
9:10a
ORD
2:22p
5h 12m
1 stop
ORD
1:00a
ISP
7:36a
6h 36m
1 stop
Depart: Sat Oct 28 2017 Return: Wed Nov 1 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
9:10a
ORD
2:22p
5h 12m
1 stop
ORD
1:00a
ISP
7:36a
6h 36m
1 stop
Depart: Mon Nov 6 2017 Return: Tue Nov 7 2017 Trip spans 2 days
Frontier
Frontier
ISP
10:35a
ORD
6:00a
19h 25m
2 stops
ORD
1:50p
ISP
8:48a
18h 58m
2 stops
Depart: Tue Oct 31 2017 Return: Sat Nov 4 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
9:10a
ORD
2:22p
5h 12m
1 stop
ORD
11:40a
ISP
4:56p
5h 16m
1 stop
Depart: Sat Nov 4 2017 Return: Wed Nov 8 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
9:10a
ORD
2:22p
5h 12m
1 stop
ORD
12:00a
ISP
6:35a
6h 35m
1 stop
Depart: Wed Nov 29 2017 Return: Sat Dec 2 2017 Trip spans 4 days
American Airlines
American Airlines
ISP
12:50p
ORD
6:02p
5h 12m
1 stop
ORD
11:43a
ISP
3:53p
4h 10m
1 stop
Depart: Fri Jan 26 2018 Return: Tue Jan 30 2018 Trip spans 5 days
Frontier
Frontier
ISP
10:50a
ORD
6:08a
19h 18m
2 stops
ORD
2:40p
ISP
9:05a
18h 25m
2 stops
Depart: Tue Sep 12 2017 Return: Sun Sep 17 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
2:09p
ORD
6:58p
4h 49m
1 stop
ORD
1:00a
ISP
7:23a
6h 23m
1 stop
Depart: Mon Sep 25 2017 Return: Fri Sep 29 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
2:09p
ORD
6:58p
4h 49m
1 stop
ORD
1:00a
ISP
7:23a
6h 23m
1 stop
Depart: Fri Dec 1 2017 Return: Sun Dec 3 2017 Trip spans 3 days
Frontier
Frontier
ISP
10:35a
ORD
1:59p
27h 24m
2 stops
ORD
1:50p
ISP
8:48a
18h 58m
2 stops
Depart: Sat Sep 30 2017 Return: Sat Oct 7 2017 Trip spans 8 days
American Airlines
American Airlines
ISP
2:10a
ORD
9:23a
7h 13m
1 stop
ORD
11:40a
ISP
4:56p
5h 16m
1 stop
Depart: Sat Dec 2 2017 Return: Sun Dec 3 2017 Trip spans 2 days
Frontier
Frontier
ISP
10:35a
ORD
6:00a
19h 25m
2 stops
ORD
1:50p
ISP
8:48a
18h 58m
2 stops
Depart: Mon Oct 2 2017 Return: Sat Oct 7 2017 Trip spans 6 days
American Airlines
American Airlines
ISP
2:09p
ORD
6:58p
4h 49m
1 stop
ORD
12:45p
ISP
4:56p
4h 11m
1 stop
Depart: Tue Oct 3 2017 Return: Sat Oct 7 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
2:09p
ORD
6:58p
4h 49m
1 stop
ORD
11:40a
ISP
4:56p
5h 16m
1 stop
Depart: Fri Nov 10 2017 Return: Sun Nov 12 2017 Trip spans 3 days
Frontier
Frontier
ISP
10:35a
ORD
1:59p
27h 24m
2 stops
ORD
1:50p
ISP
8:48a
18h 58m
2 stops
Depart: Sat Oct 7 2017 Return: Wed Oct 11 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
9:10a
ORD
2:22p
5h 12m
1 stop
ORD
1:00a
ISP
7:36a
6h 36m
1 stop
Depart: Wed Nov 8 2017 Return: Thu Nov 9 2017 Trip spans 2 days
Frontier
Frontier
ISP
10:35a
ORD
6:00a
19h 25m
2 stops
ORD
1:50p
ISP
8:48a
18h 58m
2 stops
Depart: Tue Oct 10 2017 Return: Sat Oct 14 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
2:15a
ORD
7:50a
5h 35m
1 stop
ORD
11:40a
ISP
4:56p
5h 16m
1 stop
Depart: Wed Nov 15 2017 Return: Sun Nov 19 2017 Trip spans 5 days
Frontier
Frontier
ISP
10:35a
ORD
6:00a
19h 25m
2 stops
ORD
1:50p
ISP
8:48a
18h 58m
2 stops
Depart: Sat Oct 14 2017 Return: Wed Oct 18 2017 Trip spans 5 days
American Airlines
American Airlines
ISP
9:10a
ORD
4:01p
6h 51m
1 stop
ORD
1:00a
ISP
7:36a
6h 36m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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

Islip
$144
Destination

Chicago
$144