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£137 Cheap Flights from Indianapolis (IND) to Ontario Intl. Airport (ONT)

View £137 flight on Wed, 16 Sept 2026Opens in a new window

Popular airlines from Indianapolis International Airport (IND) to Ontario Intl. Airport (ONT)

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Cheap Flights from Indianapolis (IND) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days and start at £137 for one-way flights and £702 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 25 Nov - Sun, 29 Nov
IND
Indianapolis
ONT
Ontario
£702 Return, found 5 days ago
£702
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 25 Nov from Indianapolis to Ontario, returning Sun, 29 Nov, priced at £702 found 5 days ago
Alaska Airlines
Wed, 25 Nov - Sun, 29 Nov
IND
Indianapolis
ONT
Ontario
£737 Return, found 5 days ago
£737
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 25 Nov from Indianapolis to Ontario, returning Sun, 29 Nov, priced at £737 found 5 days ago
Alaska Airlines
Wed, 25 Nov - Sun, 29 Nov
IND
Indianapolis
ONT
Ontario
£740 Return, found 5 days ago
£740
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 25 Nov from Indianapolis to Ontario, returning Sun, 29 Nov, priced at £740 found 5 days ago
Alaska Airlines
Wed, 25 Nov - Sun, 29 Nov
IND
Indianapolis
ONT
Ontario
£775 Return, found 5 days ago
£775
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 25 Nov from Indianapolis to Ontario, returning Sun, 29 Nov, priced at £775 found 5 days ago
Alaska Airlines
Wed, 25 Nov - Sun, 29 Nov
IND
Indianapolis
ONT
Ontario
£804 Return, found 5 days ago
£804
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 25 Nov from Indianapolis to Ontario, returning Sun, 29 Nov, priced at £804 found 5 days ago
Alaska Airlines
Wed, 25 Nov - Sun, 29 Nov
IND
Indianapolis
ONT
Ontario
£812 Return, found 5 days ago
£812
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 25 Nov from Indianapolis to Ontario, returning Sun, 29 Nov, priced at £812 found 5 days ago
Alaska Airlines
Wed, 25 Nov - Sun, 29 Nov
IND
Indianapolis
ONT
Ontario
£838 Return, found 5 days ago
£838
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 25 Nov from Indianapolis to Ontario, returning Sun, 29 Nov, priced at £838 found 5 days ago
Alaska Airlines
Wed, 25 Nov - Sun, 29 Nov
IND
Indianapolis
ONT
Ontario
£876 Return, found 5 days ago
£876
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 25 Nov from Indianapolis to Ontario, returning Sun, 29 Nov, priced at £876 found 5 days ago
Alaska Airlines
Wed, 25 Nov - Sun, 29 Nov
IND
Indianapolis
ONT
Ontario
£920 Return, found 5 days ago
£920
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 25 Nov from Indianapolis to Ontario, returning Sun, 29 Nov, priced at £920 found 5 days ago
Alaska Airlines
Wed, 25 Nov - Sun, 29 Nov
IND
Indianapolis
ONT
Ontario
£958 Return, found 5 days ago
£958
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 25 Nov from Indianapolis to Ontario, returning Sun, 29 Nov, priced at £958 found 5 days ago
Alaska Airlines
Wed, 25 Nov - Sun, 29 Nov
IND
Indianapolis
ONT
Ontario
£1,021 Return, found 5 days ago
£1,021
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 25 Nov from Indianapolis to Ontario, returning Sun, 29 Nov, priced at £1,021 found 5 days ago

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

March is typically the cheapest month to fly

From £112 - £287 per traveller.

Frequently asked questions

How much does a flight from Indianapolis, IN (IND-Indianapolis Intl.) to Ontario Intl. Airport (ONT) cost?
You can find one-way and return flights from IND to ONT with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when IND to ONT ticket fares go up or down.
What is the cheapest month to fly from Indianapolis, IN (IND) to Ontario Intl. Airport (ONT)?
The cheapest months to fly from Indianapolis, IN (IND) to Ontario Intl. Airport (ONT) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Indianapolis, IN (IND) to Ontario Intl. Airport (ONT)?
Enter IND to ONT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Indianapolis, IN (IND) to Ontario Intl. Airport (ONT)?
To find a cheap flight from Indianapolis, IN (IND) to Ontario Intl. Airport (ONT), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Indianapolis, IN (IND) to Ontario Intl. Airport (ONT)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Indianapolis, IN (IND) to Ontario Intl. Airport (ONT)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Indianapolis, IN (IND) to Ontario Intl. Airport (ONT). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Indianapolis, IN (IND-Indianapolis Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
A flight from IND to ONT with a layover takes around 7 hours 30 minutes, with the route covering approximately 2,837 kilometers. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Indianapolis, IN (IND) to Ontario Intl. Airport (ONT)?
Select the "Business class" and "First class" filters when looking for Indianapolis, IN (IND) to Ontario Intl. Airport (ONT) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Indianapolis, IN (IND) to Ontario Intl. Airport (ONT) flight with Expedia?
It's easy to earn miles on a Indianapolis, IN (IND) to Ontario Intl. Airport (ONT) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Indianapolis, IN (IND) to Ontario Intl. Airport (ONT) at the last minute?
Typically, booking a last minute flight from Indianapolis, IN (IND) to Ontario Intl. Airport (ONT) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Indianapolis, IN (IND) to Ontario Intl. Airport (ONT) flight and hotel package?
Securing a Indianapolis, IN (IND) to Ontario Intl. Airport (ONT) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Indianapolis, IN (IND) to Ontario Intl. Airport (ONT)?
If you booked your Indianapolis, IN (IND) to Ontario Intl. Airport (ONT) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Indianapolis Intl.
Destination airport
Ontario Intl. Airport
Return price
£702
Distance
2821 km

Book with confidence

Compare flights from Indianapolis to Ontario Intl. Airport easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Indianapolis to Ontario Intl. Airport. Operating between them flights per day, 16 airlines cover the route. And fly direct, getting you to Ontario Intl. Airport in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Indianapolis Intl. to Ontario Intl. Airport.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Indianapolis Intl. (IND) to Ontario Intl. Airport (ONT)

The easiest way to view the best deals on flights from Indianapolis to Ontario Intl. Airport today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Indianapolis Intl. to Ontario Intl. Airport start at just £702 and range up to £1,021.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Indianapolis and Ontario Intl. Airport
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Indianapolis to Ontario Intl. Airport flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Indianapolis Intl. to Ontario Intl. Airport for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Indianapolis to Ontario Intl. Airport easily and book with confidence

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*Available to Expedia members.