Cheap flights from Ontario to Indianapolis from $122
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Indianapolis departing on 8/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ontario to Indianapolis
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
American Airlines flights from Ontario to Indianapolis
Our best American Airlines deals on Ontario to Indianapolis flight tickets
Frontier flights from Ontario to Indianapolis
Our best Frontier deals on Ontario to Indianapolis flight tickets
See travel insights to Indianapolis from
How to get the cheapest flight ticket from Ontario to Indianapolis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Indianapolis?
In general, February is the cheapest month to fly from Ontario to Indianapolis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $183. If you are unable to visit Indianapolis during the month of February, then departing from Ontario during the month September is also very affordable. Most momondo users find prices during this month for around $278.
What is the cheapest day to depart on your flight to Indianapolis?
Our data shows that Wednesday is the least expensive day to fly to Indianapolis. Tickets to fly out on this day can be as low as $366. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Indianapolis on Sunday is $489.
What is the cheapest time of day to depart on your flight to Indianapolis?
Flying to Indianapolis from Ontario at noon is the least expensive time of day to depart. momondo users have found prices as low as $143 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $415 on average. Flights to Indianapolis from Ontario in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Indianapolis?
You are more likely to see cheaper flights to Indianapolis from Ontario when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Indianapolis for around $391 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Indianapolis from Ontario for as low as $237 on momondo.
What is the cheapest airline that flies from Ontario to Indianapolis?
Frontier, American Airlines, and Hawaiian Airlines are the most popular carriers operating from Ontario to Indianapolis
What airlines fly to Indianapolis?
American Airlines, Delta and Frontier are the top three most popular airlines that fly to Indianapolis from Ontario according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Indianapolis. Keep in mind that there are 8 different airlines that fly to Indianapolis on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Indianapolis
Cheap Ontario to Indianapolis (ONT to IND) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Indianapolis
How far is Ontario to Indianapolis by plane?
The straight-line distance from Ontario to Indianapolis is 1772.8 mi. In terms of flight time, this usually takes a little over 5h 20m.
When did momondo last update prices for flights from Ontario Airport to Indianapolis Airport?
Prices for flights from Ontario Airport to Indianapolis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Indianapolis Airport?
As of June 2025, there are 5 operators available to choose from for flights from Ontario Airport to Indianapolis Airport.
How old do you have to be to fly from Ontario Airport to Indianapolis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Indianapolis Airport.
What documentation or ID do you need to fly to Indianapolis Airport?
The travel and health documents required for your trip to Indianapolis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Indianapolis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Indianapolis?
momondo data reveals that the most frequently booked airline on the route from Ontario to Indianapolis is Southwest, representing 37% of all bookings. The subsequent popular airlines are American Airlines at 30%, Frontier at 18%, and Delta at 9%.
Best airlines flying from Ontario to Indianapolis
Compare and see reviews for airlines that fly from Ontario to Indianapolis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $129 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $306 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $310 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $339 | Free Cancellation | Rating 8.0 4,287 reviews |
Traveling to a place near Indianapolis?
Book flights to Indianapolis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to Indianapolis?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Indianapolis from Ontario.
Can I find flights from Ontario to Indianapolis with flexible booking policies on momondo?
All flight searches from Ontario to Indianapolis on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Ontario to Indianapolis?
momondo provides multiple filters to help you find the best flight to Indianapolis from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Ontario to Indianapolis right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Ontario to Indianapolis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.