When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 56 days in advance, which can save you up to 98% on flights from Islip, New York to Illinois compared to booking the week you need them. Waiting 56 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $282. For sooner than that we have options available in the next 3 days from $423.
Our data shows that February tends to be the cheapest month to fly to Illinois from Islip, New York. Users have commonly found prices around $259 for the month, but tickets can be as low as $81. Due to multiple factors, prepare for potentially higher prices in June.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Illinois as you normally would.
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Fly to
Budget
$217 - $407
Route
Depart
Return
Price
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Fri 6/21
1 stop9h 22m
Chicago O'Hare Intl
Sat 6/22
1 stop16h 30m
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Tue 7/23
1 stop28h 16m
Chicago O'Hare Intl
Fri 8/23
1 stop13h 30m
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Tue 7/23
1 stop28h 16m
Chicago O'Hare Intl
Mon 7/29
1 stop13h 42m
Islip Long IslandLambert-St Louis
ISP - STL
ISPSTL
Islip Long Island
Sat 7/27
1 stop16h 37m
Lambert-St Louis
Wed 7/31
1 stop12h 06m
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Fri 6/21
1 stop9h 22m
Chicago O'Hare Intl
Sun 6/23
1 stop10h 38m
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Thu 7/4
1 stop6h 33m
Chicago O'Hare Intl
Thu 7/11
1 stop11h 46m
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Tue 7/2
1 stop28h 25m
Chicago O'Hare Intl
Tue 7/9
1 stop13h 21m
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Fri 6/21
3 stops27h 24m
Chicago O'Hare Intl
Sat 6/22
2 stops16h 45m
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Fri 6/21
2 stops21h 04m
Chicago O'Hare Intl
Sat 6/22
2 stops16h 45m
No data available for this route at this time. Please check back soon.
Comfort
Crew
Overall
Boarding
Food
Entertainment
Reviews
I'd thought there would be a complimentary drink atleast.
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