Cheap Flights from Indianapolis to Ontario International from RM740

Compare Indianapolis to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

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Flight deals from Indianapolis to Ontario International

Looking for a cheap last-minute deal or the best return flight from Indianapolis to Ontario International? Find the lowest prices on one-way and return tickets right here.

Ontario.RM740 per passenger.Departing Fri, 17 Apr, returning Mon, 20 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Indianapolis on Fri, 17 Apr, arriving in Ontario International.Inbound indirect flight with Frontier Airlines, departs from Ontario International on Mon, 20 Apr, arriving in Indianapolis.Price includes taxes and charges.From RM740, select.

Ontario.RM897 per passenger.Departing Mon, 2 Mar, returning Thu, 5 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Indianapolis on Mon, 2 Mar, arriving in Ontario International.Inbound indirect flight with Frontier Airlines, departs from Ontario International on Thu, 5 Mar, arriving in Indianapolis.Price includes taxes and charges.From RM897, select.

Ontario.RM1,087 per passenger.Departing Mon, 30 Mar, returning Mon, 6 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Indianapolis on Mon, 30 Mar, arriving in Ontario International.Inbound indirect flight with Frontier Airlines, departs from Ontario International on Mon, 6 Apr, arriving in Indianapolis.Price includes taxes and charges.From RM1,087, select.

Ontario.RM1,316 per passenger.Departing Wed, 6 May, returning Sat, 9 May.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Indianapolis on Wed, 6 May, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Sat, 9 May, arriving in Indianapolis.Price includes taxes and charges.From RM1,316, select.

Ontario.RM1,361 per passenger.Departing Wed, 29 Apr, returning Mon, 4 May.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Indianapolis on Wed, 29 Apr, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Mon, 4 May, arriving in Indianapolis.Price includes taxes and charges.From RM1,361, select.

Ontario.RM1,618 per passenger.Departing Fri, 20 Feb, returning Fri, 6 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Indianapolis on Fri, 20 Feb, arriving in Ontario International.Inbound indirect flight with Frontier Airlines, departs from Ontario International on Fri, 6 Mar, arriving in Indianapolis.Price includes taxes and charges.From RM1,618, select.

Ontario.RM1,700 per passenger.Departing Thu, 13 Aug, returning Sun, 16 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Indianapolis on Thu, 13 Aug, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Sun, 16 Aug, arriving in Indianapolis.Price includes taxes and charges.From RM1,700, select.

Ontario.RM1,700 per passenger.Departing Sat, 17 Oct, returning Wed, 21 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Indianapolis on Sat, 17 Oct, arriving in Ontario International.Inbound indirect flight with Southwest Airlines, departs from Ontario International on Wed, 21 Oct, arriving in Indianapolis.Price includes taxes and charges.From RM1,700, select.

Find the cheapest month to fly from Indianapolis to Ontario International

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

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Indianapolis to Ontario International: Alternative routes

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

Indianapolis to Ontario: Flight information

The things to know before you go.

Cheapest flight found	RM740
Cheapest month to fly	April

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

How much are return flights from Indianapolis to Ontario International?

The best price we found for a return flight from Indianapolis to Ontario International is RM740. 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.

Which airlines fly direct from Indianapolis to Ontario International?

Currently, there are no airlines that fly direct from Indianapolis to Ontario International. But we found flights with one or more stops from RM740.

How many flights are there a week from Indianapolis to Ontario International?

As of February 2026, there are no flights flying from Indianapolis to Ontario International.

When is the cheapest time to fly from Indianapolis to Ontario International?

The cheapest month to fly from Indianapolis to Ontario International is usually April.

Which upcoming date is cheapest to fly from Indianapolis Airport to Ontario International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Indianapolis Airport to Ontario International Airport on Friday, 17 April 2026.

Can I get a direct flight from Indianapolis Airport to Ontario International Airport?

No airlines currently offer direct flights between Indianapolis Airport and Ontario International Airport. Most routes have one or more stops.

How can I find the best flight deal to Ontario International?

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 Ontario International 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.

When is the best time to book flights to Ontario?

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

Which is the cheapest airline to fly from Indianapolis Airport to Ontario International with?

Currently, Frontier Airlines offers the cheapest flight tickets to Ontario International.

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

Ontario's timezone is UTC-7, making Ontario three hours behind Indianapolis.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Get to the airport on time to catch your IND to ONT flight.
During popular months like July, you'll want to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight when you travel during a high season in general.
We make it simple to book a flight with a stopover. To see your options for tickets from Indianapolis International Airport to Ontario International Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to explore your chosen city. Top stopovers between IND and ONT include:
- Denver International Airport
- Phoenix Sky Harbour International Airport
- Dallas/Fort Worth International Airport

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

The lowest price we've seen for a one-way Indianapolis International Airport to Ontario International Airport flight is RM407. A return plane ticket right now is RM740. Depending on the availability and when you book, these fares could change.
Don't wait until the last moment. You're more likely to get cheap tickets from IND to ONT if you book in advance. Airlines often offer some fantastic early bird deals.
The 'Whole month' tool shows you the cheapest flights from Indianapolis International Airport to Ontario International Airport across the month. It's a great way to snap up a bargain if your dates are flexible.
You don't need to check every day to find out if fares have gone down when you set up a Price Alert. We'll notify you the moment there's a new deal on cheap flights from IND to ONT.
Tailor your flights using filters. Pick your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Indianapolis International Airport to Ontario International Airport.

Handy information about Indianapolis International Airport (IND)

The address for IND is 7800 Col. H. Weir Cook Memorial Drive.
Of all flights leaving Indianapolis International Airport, 79.86% land on schedule at their destination.
Central Indianapolis to Indianapolis International Airport is approximately 24 kilometres. Depending on traffic, it'll take about 25 minutes to get there if you're ride-sharing, catching a cab or driving.
The trip on public transport usually takes 1 hour.
Get your break off to a relaxed start by staying near IND. Whether you're boarding an early flight from Indianapolis International Airport to Ontario International Airport or just don't want to be rushed, these stays have you covered:

Arriving at Ontario International Airport (ONT)

If you're getting in on a late Indianapolis International Airport to Ontario International Airport flight, nothing beats the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and relaxing not long after at one of these options near ONT:
Say yes to new adventures by picking up an Ontario International Airport rental car. Grab a set of wheels from Dollar, Fox - Rent A Car or Thrifty to explore Ontario and beyond.
To get the best deal, reserve your vehicle from Ontario International Airport about three weeks in advance.

Getting from Ontario International Airport (ONT) to central Ontario

ONT is located at 2900 E. Airport Drive.
From Ontario International Airport, Ontario is approximately 6 kilometres away. It takes around 10 minutes to reach the centre driving.
Travelling by public transport takes around 1 hour 30 minutes.

When to fly to Ontario International Airport (ONT)

August is the most popular month for flights from Indianapolis International Airport to Ontario International Airport. To avoid the crowds, head to Ontario in May.
The warmest month in Ontario is August, with the temperature ranging between 15ºC (59ºF) and 35ºC (95ºF). Lock in your flights from Indianapolis International Airport to Ontario International Airport in this month if this is the type of weather you like.
If you'd rather travel in cooler conditions, search for a cheap ticket from IND to ONT in January. Temperatures average between 4ºC (39ºF) and 23ºC (73ºF) then.

Explore more of United States

Los Angeles is just one of the many cities in United States waiting to be discovered after you've seen Ontario. Around 56 kilometres away to the west, top sights here include Griffith Observatory, The Broad and La Brea Tar Pits & Museum.
If you want to check out another corner of United States, head for San Diego, about 153 kilometres south of Ontario. San Diego Zoo, USS Midway Museum and SeaWorld San Diego are the start of reasons to visit.

Plan the rest of your trip from Indianapolis to Ontario

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

Cheap flight tickets from Indianapolis to Ontario International