Cheap Flights from Islip to Indianapolis

Compare Islip to Indianapolis flight deals

Find the cheapest month or even day of the year to fly to Indianapolis

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Flight deals from Islip to Indianapolis

Looking for a cheap last-minute deal or the best return flight from Islip Airport to Indianapolis Airport? If you want to travel next month, return fares start from ج.م.‏ 14,559. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Islip to Indianapolis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Islip to Indianapolis flights are currently cheapest in July.

Islip to Indianapolis: Alternative routes

Compare routes from Islip to Indianapolis below. You may find an airport to fly into that's cheaper, faster, or easier than Indianapolis.

Islip to Indianapolis: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 6,030
Cheapest month to flyJuly

Finding cheap flights from Islip to Indianapolis: Frequently asked questions

The best price we found for a return flight from Islip to Indianapolis is ج.م.‏ 14,559. 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 Islip to Indianapolis. But we found flights with one or more stops from ج.م.‏ 14,559.
As of June 2026, there are no flights flying from Islip to Indianapolis.
The cheapest month to fly from Islip to Indianapolis is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Islip Airport to Indianapolis Airport on Monday, 13 July 2026.
No airlines currently offer direct flights between Islip Airport and Indianapolis 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 Indianapolis 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 Indianapolis 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 Indianapolis.

Travelling from Islip Airport (ISP) to Indianapolis Airport (IND): what you need to know

  • Indianapolis's timezone is UTC-5, which is the same as Islip.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport with enough time to catch your ISP to IND flight.

  • Travelling during a peak time such as July? Major public holidays and other popular periods can result in longer lines and delays at security. Play things extra safe and arrive up to four hours before international flights and two hours before a domestic departure.

  • If you want to break up your flight, simply uncheck 'Direct flights only' when searching for your ticket from Islip Airport to Indianapolis Airport. These are the most popular stopovers between ISP and IND:

    • Atlanta Hartsfield-Jackson Airport

    • Orlando International Airport

    • Baltimore Washington International Airport

How to find the cheapest flights from Islip Airport (ISP) to Indianapolis Airport (IND)

  • ج.م.‏ 6,030 is the lowest price for a one-way Islip Airport to Indianapolis Airport flight. Return flights start from ج.م.‏ 14,559. These prices can change based on availability and demand.

  • To score cheap tickets from ISP to IND, book early. Airlines usually offer their most competitively priced fares when flights are first made available.

  • The 'Whole month' search function shows you the cheapest flights from Islip Airport to Indianapolis Airport throughout the entire month. It's an easy way to find a bargain if your dates aren't set in stone.

  • Save time looking for cheap flights from ISP to IND by setting up a Price Alert. We'll send you an email or notification on the app when a lower fare becomes available.

  • Find the right flight for you by using the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Islip Airport to Indianapolis Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Islip Airport (ISP)

  • The address for ISP is 100 Arrivals Avenue.

  • Of the flights that depart from Islip Airport, 76% arrive on time at their destination.

  • Islip Airport is about 6 kilometres from central Islip. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 10 minutes or so to arrive, depending on the traffic.

  • The journey when using public transport takes roughly 30 minutes.

  • Get your holiday off to a hassle-free start by staying near ISP. Whether you're boarding an early flight from Islip Airport to Indianapolis Airport or want to avoid feeling rushed, these hotels are ideal:

Arriving at Indianapolis Airport (IND)

When to fly to Indianapolis Airport (IND)

  • The quietest month for a flight from Islip Airport to Indianapolis Airport is March, while October is the busiest. Choose the ideal time to go to Indianapolis based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Indianapolis is July, with the temperature ranging between 15ºC and 31ºC. Lock in your flights from Islip Airport to Indianapolis Airport in this month if you enjoy this type of weather.

  • January has average temperatures of between -11ºC and 6ºC. Look for cheap tickets from ISP to IND sometime then if you like travelling in cooler conditions.

Explore more of the United States

  • You've visited Indianapolis, now it's time to discover other corners of the United States. Journey about 257 kilometres north-west to Chicago to check off its leading attractions. From Millennium Park to Art Institute of Chicago and Willis Tower, your itinerary will be busy.

  • Around 274 kilometres east of Indianapolis, Columbus is another essential stop in the United States. Get a taste of what this destination has to offer at Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre.

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