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.
Fly from
Fly to
Budget
$200 - $426
Route
Depart
Return
Price
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Sun 9/8
1 stop8h 34m
Chicago O'Hare Intl
Sun 9/15
1 stop13h 30m
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Thu 7/18
1 stop11h 02m
Chicago O'Hare Intl
Tue 7/23
1 stop13h 21m
Islip Long IslandLambert-St Louis
ISP - STL
ISPSTL
Islip Long Island
Tue 7/9
1 stop12h 00m
Lambert-St Louis
Fri 7/12
1 stop12h 05m
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Mon 6/10
1 stop9h 22m
Chicago O'Hare Intl
Mon 6/17
1 stop12h 42m
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Thu 6/20
1 stop6h 10m
Chicago O'Hare Intl
Fri 6/21
1 stop12h 42m
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Thu 6/27
1 stop27h 45m
Chicago O'Hare Intl
Wed 7/3
1 stop13h 41m
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Mon 8/19
1 stop8h 34m
Chicago O'Hare Intl
Fri 8/23
1 stop13h 30m
Islip Long IslandLambert-St Louis
ISP - STL
ISPSTL
Islip Long Island
Thu 6/27
1 stop9h 44m
Lambert-St Louis
Sun 6/30
1 stop10h 56m
Islip Long IslandChicago O'Hare Intl
ISP - ORD
ISPORD
Islip Long Island
Thu 6/20
2 stops11h 50m
Chicago O'Hare Intl
Sun 6/23
2 stops21h 27m
No data available for this route at this time. Please check back soon.
Crew
Boarding
Food
Overall
Comfort
Entertainment
Reviews
I'd thought there would be a complimentary drink atleast.
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