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Cheap Flights from Ontario International to Indianapolis

Compare Ontario International 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 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 3,440. Find the lowest prices on one-way and return tickets right here.
Indianapolis.R 2,059 per passenger.Departing Thu, 30 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Thu, 30 Jul, arriving in Indianapolis.Price includes taxes and charges.From R 2,059, select.
Indianapolis.R 2,138 per passenger.Departing Mon, 8 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Mon, 8 Jun, arriving in Indianapolis.Price includes taxes and charges.From R 2,138, select.
Indianapolis.R 2,980 per passenger.Departing Sun, 31 May.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Sun, 31 May, arriving in Indianapolis.Price includes taxes and charges.From R 2,980, select.
Indianapolis.R 3,167 per passenger.Departing Tue, 8 Sep.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 8 Sep, arriving in Indianapolis.Price includes taxes and charges.From R 3,167, select.
Indianapolis.R 3,228 per passenger.Departing Tue, 4 Aug.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Tue, 4 Aug, arriving in Indianapolis.Price includes taxes and charges.From R 3,228, select.
Indianapolis.R 3,283 per passenger.Departing Thu, 15 Oct.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Thu, 15 Oct, arriving in Indianapolis.Price includes taxes and charges.From R 3,283, select.
Indianapolis.R 3,900 per passenger.Departing Fri, 13 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Fri, 13 Nov, arriving in Indianapolis.Price includes taxes and charges.From R 3,900, select.
Indianapolis.R 4,254 per passenger.Departing Sun, 20 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Sun, 20 Dec, arriving in Indianapolis.Price includes taxes and charges.From R 4,254, select.
Indianapolis.R 4,724 per passenger.Departing Sat, 2 Jan.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Ontario International on Sat, 2 Jan, arriving in Indianapolis.Price includes taxes and charges.From R 4,724, 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 July.
May
from R 2,980
Jun
from R 2,138
Jul
from R 2,059
Aug
from R 3,228
Sep
from R 3,167
Oct
from R 3,283
Nov
from R 3,900
Dec
from R 4,254
Jan
from R 4,724
Feb
Find prices
Mar
Find prices
Apr
Find prices

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 2,059
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Bloomington

80km from central Indianapolis
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Ontario to Indianapolis: Flight information

The things to know before you go.
Cheapest flight foundR 2,059
Cheapest month to flyJuly

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 3,440. 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 3,440.
As of May 2026, there are no flights flying from Ontario International to Indianapolis.
The cheapest month to fly from Ontario International to Indianapolis is usually June.
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 Tuesday, 2 June 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 International Airport (IND): what you need to know

  • Indianapolis is three hours ahead of Ontario and observes the UTC-4 timezone.

  • Leave plenty of time to catch your ONT to IND flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak time like August? School holidays and other popular periods can mean longer lines and delays at airport checkpoints. Play it safe and arrive up to four hours before an international flight and two hours before a domestic departure.

  • Consider adding a stopover when booking your ticket from Ontario International Airport to Indianapolis International Airport. Just uncheck 'Direct flights only' to break up your journey, or visit a new city along the way. Here are some options between ONT and IND:

    • Phoenix Sky Harbour International Airport

    • Denver International Airport

    • Dallas/Fort Worth International Airport

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

  • R 2,059 is currently the lowest price for a one-way Ontario International Airport to Indianapolis International Airport flight. Return flights start from R 3,440. These prices can change based on availability and demand.

  • It's usually smart to book in advance if you're looking for cheap tickets from ONT to IND. That's because flight prices are based on demand, which tends to rise closer to departure.

  • If you're flexible with your travel dates, use the 'Whole month' search tool. It'll show you the cheapest price in every month when looking for a flight from Ontario International Airport to Indianapolis International Airport.

  • Landing cheap flights from ONT to IND couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as there's a better deal.

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

Handy information about Ontario International Airport (ONT)

  • ONT is located at 2900 E. Airport Drive.

  • Ontario International Airport has a strong on-time record, so flight disruptions are less likely. Departures from ONT touch down on schedule 83.6% of the time.

  • To get to Ontario International Airport from central Ontario, it'll take about 10 minutes if you're going by car. Of course, this depends on traffic conditions. It's approximately 6 kilometres from the airport to the city centre.

  • You can expect a trip time of about 1 hour 30 minutes when using public transport.

  • Taking an early flight from Ontario International Airport to Indianapolis International Airport? Avoid the stress of rushing to the terminal (and sneak in some extra snooze time) by picking one of these stays close to ONT:

Arriving at Indianapolis International Airport (IND)

Getting from Indianapolis International Airport (IND) to central Indianapolis

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

  • Indianapolis International Airport to the centre of Indianapolis has a drive time of around 25 minutes. It's approximately 24 kilometres away.

  • If you're taking public transport, expect a journey time of roughly 1 hour.

When to fly to Indianapolis International Airport (IND)

  • The quietest month for a flight from Ontario International Airport to Indianapolis International Airport is April, while July 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.

  • Book your flight from Ontario International Airport to Indianapolis International Airport for July if you'd like to visit Indianapolis during its warmest month. You can expect temperatures of between 16ºC (61ºF) and 30ºC (86ºF).

  • If you want to travel in cooler conditions, search for a cheap ticket from ONT to IND in January. Temperatures average between -12ºC (10ºF) and 5ºC (41ºF) then.

Explore more of United States

  • Indianapolis has loads to offer, but there are so many other corners of United States you'll want to see. Around 257 kilometres north-west of Indianapolis, a visit to Chicago will keep your itinerary busy. Start with leading sights like Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • Around 274 kilometres east of Indianapolis, Columbus is another essential stop in United States. Experience major highlights starting with Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

Plan the rest of your trip from Ontario to Indianapolis

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.