Cheap Flights from Chicago O'Hare International to Islip

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Flight deals from Chicago O'Hare International to Islip

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Islip Airport? If you want to travel next month, return fares start from $462. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Islip

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Islip flights are currently cheapest in September.

Chicago to Islip: Flight information

The things to know before you go.
Cheapest flight found$455
Cheapest month to flySeptember

Finding cheap flights from Chicago O'Hare International to Islip: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Islip is $455. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Chicago O'Hare International to Islip. But we found flights with one or more stops from $455.
As of July 2026, there are no flights flying from Chicago O'Hare International to Islip.
The cheapest month to fly from Chicago O'Hare International to Islip is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Islip Airport on Thursday, 10 September 2026.
No airlines currently offer direct flights between Chicago O'Hare International Airport and Islip Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Islip but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Islip is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines offers the cheapest flight tickets to Islip.

Travelling from Chicago O'Hare International Airport (ORD) to Islip Airport (ISP): what you need to know

  • Give yourself enough time to catch your ORD to ISP flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for longer lines during popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a wise move.

  • If you'd like to break up your flight, simply deselect 'Direct flights only' when searching for your ticket from Chicago O'Hare International Airport to Islip Airport. Here are the most popular stopovers between ORD and ISP:

    • Baltimore Washington International Airport

    • Raleigh / Durham Airport

    • Portland Airport

Handy information about Chicago O'Hare International Airport (ORD)

  • You'll find ORD at 10000 West O'Hare.

  • 70% of flights that depart Chicago O'Hare International Airport reach their destination on schedule.

  • To get to Chicago O'Hare International Airport from central Chicago, it takes about 30 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 27 kilometres from the airport to the city centre.

  • Expect a journey time of roughly 45 minutes on public transport.

  • Searching for a convenient hotel close to ORD? If you're boarding an early flight from Chicago O'Hare International Airport to Islip Airport, these stays will have you sleeping moments from your check-in counter:

Arriving at Islip Airport (ISP)

When to fly to Islip Airport (ISP)

  • It's time to plan your dates for your flight from Chicago O'Hare International Airport to Islip Airport. July is the busiest month to head to Islip. If you'd like a more relaxed vibe, go in December.

  • The warmest month in Islip is July, with temperatures ranging between 19ºC and 29ºC. Lock in your flights from Chicago O'Hare International Airport to Islip Airport in this month if this is the kind of weather you like.

  • Look for cheap tickets from ORD to ISP in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -4ºC and 8ºC on average.

Explore more of the United States

  • Islip has plenty going for it, but there are so many other corners of the United States you'll want to see. About 64 kilometres west of Islip, a trip to New York will keep your itinerary packed. Start with leading attractions like Central Park, Statue of Liberty and Metropolitan Museum of Art.

  • Around 193 kilometres south-west of Islip, Philadelphia is another essential stop in the United States. Experience this destination's highlights firsthand at Independence Hall, Liberty Bell and Philadelphia Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.