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Cheap Flights from Ontario International to Indianapolis

Compare Ontario International to Indianapolis flight deals

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Flight deals from Ontario International to Indianapolis

Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Indianapolis Airport? If you want to travel next month, return fares start from R 3,893. Find the lowest prices on one-way and return tickets right here.
Indianapolis.R 2,037 per passenger.Departing Mon, 5 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Mon, 5 Oct, arriving in Indianapolis.Price includes taxes and charges.From R 2,037, select.
Indianapolis.R 2,199 per passenger.Departing Fri, 11 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Fri, 11 Sep, arriving in Indianapolis.Price includes taxes and charges.From R 2,199, select.
Indianapolis.R 2,315 per passenger.Departing Wed, 12 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Wed, 12 Aug, arriving in Indianapolis.Price includes taxes and charges.From R 2,315, select.
Indianapolis.R 2,387 per passenger.Departing Wed, 22 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Wed, 22 Jul, arriving in Indianapolis.Price includes taxes and charges.From R 2,387, select.
Indianapolis.R 2,647 per passenger.Departing Thu, 5 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Thu, 5 Nov, arriving in Indianapolis.Price includes taxes and charges.From R 2,647, select.
Indianapolis.R 2,701 per passenger.Departing Wed, 16 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Wed, 16 Dec, arriving in Indianapolis.Price includes taxes and charges.From R 2,701, select.
Indianapolis.R 3,864 per passenger.Departing Sun, 10 Jan.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Sun, 10 Jan, arriving in Indianapolis.Price includes taxes and charges.From R 3,864, select.
Indianapolis.R 3,866 per passenger.Departing Fri, 26 Feb.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Fri, 26 Feb, arriving in Indianapolis.Price includes taxes and charges.From R 3,866, select.

Find the cheapest month to fly from Ontario International to Indianapolis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Indianapolis flights are currently cheapest in October.
Jul
from R 2,387
Aug
from R 2,315
Sep
from R 2,199
Oct
from R 2,037
Nov
from R 2,647
Dec
from R 2,701
Jan
from R 3,864
Feb
from R 3,866
Mar
Find prices
Apr
Find prices
May
Find prices
Jun
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Ontario International to Indianapolis: Alternative routes

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

Indianapolis

11km from central Indianapolis
ClosestCheapest
from R 2,037
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Ontario to Indianapolis: Flight information

The things to know before you go.
Cheapest flight foundR 2,037
Cheapest month to flyOctober

Finding cheap flights from Ontario International to Indianapolis: Frequently asked questions

The best price we found for a return flight from Ontario International to Indianapolis is R 3,893. 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 Ontario International to Indianapolis. But we found flights with one or more stops from R 3,893.
As of July 2026, there are no flights flying from Ontario International to Indianapolis.
The cheapest month to fly from Ontario International to Indianapolis is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Indianapolis Airport on Thursday, 20 August 2026.
No airlines currently offer direct flights between Ontario International 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.

Flying from Ontario International Airport (ONT) to Indianapolis Airport (IND): what you need to know

  • The timezone in Indianapolis is UTC-5, which is three hours ahead of Ontario.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Make sure you're at the airport on time to board your ONT to IND flight.

  • During popular months such as July, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're flying during a peak period in general.

  • If you want to add a stop to your trip, just deselect 'Direct flights only' when searching for your ticket from Ontario International Airport to Indianapolis Airport. Here are the most popular stopovers between ONT and IND:

    • Dallas Fort Worth International Airport

    • Denver International Airport

    • Phoenix Sky Harbour Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Indianapolis Airport (IND)

  • Currently, R 2,037 is the lowest price we've found for a one-way Ontario International Airport to Indianapolis Airport flight. The best price for a return plane ticket is R 3,893. Bear in mind that fares can change due to availability at the time of booking.

  • It's a good idea to book early if you want to get cheap tickets from ONT to IND. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

  • Getting cheap flights from Ontario International Airport to Indianapolis Airport is easier if you're flexible with your trip dates. Use the 'Whole month' tool to see the best prices across each month and score a great deal.

  • Cut down on the time spent looking for cheap flights from ONT to IND by creating a Price Alert. We'll send you an email or push notification on the app when a special offer becomes available.

  • Tailor your trip with filters. Select your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Ontario International Airport to Indianapolis Airport.

Handy information about Ontario International Airport (ONT)

  • You'll find ONT at 2900 E. Airport Drive.

  • Ontario International Airport scores high marks for on-time performance. 83% of flights that take off from ONT arrive at their destination as scheduled.

  • Ontario International Airport is around 10 kilometres from central Ontario. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 15 minutes or so to get there, depending on the traffic.

  • Planning to catch public transport? Expect a journey time of around 45 minutes.

  • Looking for a handy hotel near ONT? If you're catching an early flight from Ontario International Airport to Indianapolis Airport, these accommodation options will put you moments from your departure gate:

Arriving at Indianapolis Airport (IND)

Getting from Indianapolis Airport (IND) to central Indianapolis

  • IND is located at 7800 Col. H. Weir Cook Memorial Drive.

  • Indianapolis Airport is approximately 18 kilometres from central Indianapolis. The drive time takes around 20 minutes.

  • If you're taking public transport, expect a journey time of roughly 50 minutes.

When to fly to Indianapolis Airport (IND)

  • October is the busiest month for flights from Ontario International Airport to Indianapolis Airport. To avoid the crowds, visit Indianapolis in March.

  • The warmest month in Indianapolis is July, with the temperature ranging between 15ºC (59ºF) and 31ºC (88ºF). Lock in your flights from Ontario International Airport to Indianapolis Airport in this month if you like this kind of weather.

  • January has average temperatures of between -11ºC (12ºF) and 6ºC (43ºF). Search for cheap tickets from ONT to IND sometime then if you want to travel when it's cooler.

Explore more of the United States

  • Chicago is just one of the many places in the United States waiting to be discovered after you've seen Indianapolis. Around 257 kilometres away to the north-west, its top attractions include Millennium Park, Art Institute of Chicago and Willis Tower.

  • Around 274 kilometres east of Indianapolis, Columbus is another favourite stop in the United States. No visit is complete without checking out Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre.

Plan the rest of your trip from Ontario to Indianapolis

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