$74 Cheap Flights from Indianapolis (IND) to Ontario (ONT)

View $74 flight on Sun, Mar 1, 2026Opens in a new window

Popular airlines from Indianapolis Intl. Airport (IND) to Los Angeles - Ontario Intl. Airport (ONT)

Cheap Flights from Indianapolis to Ontario (IND-ONT)

Prices were available within the past 7 days and start at $74 for one-way flights and $148 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Jan 22 - Thu, Jan 29
IND
Indianapolis
ONT
Ontario
$148 Roundtrip, found 1 hour ago
$148
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Jan 22 from Indianapolis to Ontario, returning Thu, Jan 29, priced at $148 found 1 hour ago
Frontier Airlines
Mon, Jan 12 - Thu, Jan 22
IND
Indianapolis
ONT
Ontario
$165 Roundtrip, just found
$165
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Jan 12 from Indianapolis to Ontario, returning Thu, Jan 22, priced at $165 just found
Frontier Airlines
Fri, Feb 27 - Sat, Mar 7
IND
Indianapolis
ONT
Ontario
$175 Roundtrip, found 1 hour ago
$175
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Feb 27 from Indianapolis to Ontario, returning Sat, Mar 7, priced at $175 found 1 hour ago
Frontier Airlines
Mon, Jan 12 - Thu, Jan 22
IND
Indianapolis
ONT
Ontario
$186 Roundtrip, just found
$186
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Jan 12 from Indianapolis to Ontario, returning Thu, Jan 22, priced at $186 just found
American Airlines
Mon, Feb 23 - Fri, Feb 27
IND
Indianapolis
ONT
Ontario
$188 Roundtrip, found 4 days ago
$188
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Feb 23 from Indianapolis to Ontario, returning Fri, Feb 27, priced at $188 found 4 days ago
Frontier Airlines
Thu, Feb 26 - Sat, Mar 7
IND
Indianapolis
ONT
Ontario
$192 Roundtrip, found 1 hour ago
$192
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Feb 26 from Indianapolis to Ontario, returning Sat, Mar 7, priced at $192 found 1 hour ago
Frontier Airlines
Thu, Feb 12 - Thu, Feb 26
IND
Indianapolis
ONT
Ontario
$196 Roundtrip, just found
$196
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Feb 12 from Indianapolis to Ontario, returning Thu, Feb 26, priced at $196 just found
Southwest Airlines
Wed, Feb 25 - Wed, Mar 11
IND
Indianapolis
ONT
Ontario
$206 Roundtrip, found 6 days ago
$206
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Wed, Feb 25 from Indianapolis to Ontario, returning Wed, Mar 11, priced at $206 found 6 days ago
Delta
Sun, Jan 25 - Sun, Feb 1
IND
Indianapolis
ONT
Ontario
$241 Roundtrip, found 1 day ago
$241
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Jan 25 from Indianapolis to Ontario, returning Sun, Feb 1, priced at $241 found 1 day ago
Alaska Airlines
Tue, Jan 6 - Tue, Jan 13
IND
Indianapolis
ONT
Ontario
$304 Roundtrip, found 2 hours ago
$304
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Indianapolis to Ontario, returning Tue, Jan 13, priced at $304 found 2 hours ago

Find the cheapest month to fly from Indianapolis (IND) to Ontario (ONT)

January is typically the cheapest month to fly

From $158 - $798 per traveler.

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John Wayne SNA. Average driving time to city center is 42 minutes. Flights from $516
SNA
John Wayne
Average driving time to city center42 min
Flights from $516
Flights from Indianapolis (IND) to Ontario (ONT)
Origin airport
Indianapolis Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$148
Distance
1763 mi

Indianapolis to Ontario Flights

The cheapest times to fly from Indianapolis to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Indianapolis to Ontario are during the month of January. You can find some of the cheapest flights from Indianapolis to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Indianapolis to Ontario

Sunday is one of the best days to book for cheap flights from Indianapolis to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Indianapolis to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Indianapolis to Ontario in 2026. You can also book with separate airlines for your outbound and return journeys, from $74 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Indianapolis to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Indianapolis to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Indianapolis Intl. Airport (IND) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Lock in a cheap one-way flight from $74 or cheap return flight from $148 from Indianapolis Intl. Airport (IND) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Indianapolis Intl. Airport (IND) to Los Angeles - Ontario Intl. Airport (ONT)?
Traveling in January is a good way to save, as it's the cheapest month for flights between IND and ONT. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Indianapolis Intl. Airport (IND) to Los Angeles - Ontario Intl. Airport (ONT)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest IND to ONT flight.
How many flights per day from Indianapolis Intl. Airport (IND) to Los Angeles - Ontario Intl. Airport (ONT)?
There aren't any daily nonstop flights departing from Indianapolis Intl. Airport (IND) to Los Angeles - Ontario Intl. Airport (ONT). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from IND to ONT?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Indianapolis Intl. Airport (IND) to Los Angeles - Ontario Intl. Airport (ONT)?
Choose a flight from Indianapolis Intl. Airport (IND) to Los Angeles - Ontario Intl. Airport (ONT) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Ontario from Indianapolis Intl. Airport (IND)?
Los Angeles Intl. Airport (LAX) is the only airport in Ontario with direct flights from Indianapolis Intl. Airport (IND). Check out the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Indianapolis Intl. Airport (IND) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Holding off until right before your break to book a ticket from IND to ONT generally means paying more. While you may come across some last-minute deals, they're not always guaranteed. Be flexible with your travel plans for the best chance of scoring a bargain.
Is it cheaper to book an IND to ONT flight and hotel package?
Compared with arranging hotels and flights separately, booking an IND to ONT flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the stress out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Indianapolis Intl. Airport (IND) to Los Angeles - Ontario Intl. Airport (ONT)?
Usually, it's possible to cancel or reschedule your IND to ONT flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.