What is the cheapest airline that flies from Ontario to Indianapolis?

Frontier, Hawaiian Airlines, and United Airlines are the most popular carriers operating from Ontario to Indianapolis

What airlines fly to Indianapolis?

American Airlines, Delta and Southwest 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 47% 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 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 September 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.

$105 Cheap Flights from Ontario to Indianapolis in 2025/26

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Find the cheapest flights from Ontario to Indianapolis

Round-trip

One-way

Last minute

Cheap round-trip flights

6:53 am - 4:29 pmONT-IND

6h 36m1 stop

5:24 pm - 11:50 pmIND-ONT

9h 26m1 stop

$150Frontier

Find Deal

Wed, Oct 22 - Sat, Oct 25

6:53 am - 7:44 pmONT-IND

9h 51m1 stop

8:39 pm - 11:50 pmIND-ONT

6h 11m1 stop

$160Frontier

Find Deal

Sun, Nov 9 - Thu, Nov 13

4:05 pm - 3:35 pmONT-IND

20h 30m1 stop

8:39 pm - 11:50 pmIND-ONT

6h 11m1 stop

$181Frontier

Find Deal

Fri, Nov 7 - Mon, Nov 10

11:53 am - 4:29 pmONT-IND

25h 36m1 stop

8:51 pm - 11:50 pmIND-ONT

5h 59m1 stop

$182Frontier

Find Deal

Fri, Oct 10 - Thu, Oct 16

6:53 am - 7:24 pmONT-IND

9h 31m1 stop

8:51 pm - 11:50 pmIND-ONT

5h 59m1 stop

$186Frontier

Find Deal

Thu, Oct 23 - Fri, Oct 24

4:05 pm - 3:35 pmONT-IND

20h 30m1 stop

8:39 pm - 11:10 amIND-ONT

17h 31m1 stop

$187Frontier

Find Deal

Fri, Nov 7 - Sun, Nov 9

6:53 am - 7:44 pmONT-IND

9h 51m1 stop

8:39 pm - 11:50 pmIND-ONT

6h 11m1 stop

$190Frontier

Find Deal

Fri, Nov 14 - Mon, Nov 17

6:53 am - 7:44 pmONT-IND

9h 51m1 stop

8:39 pm - 11:50 pmIND-ONT

6h 11m1 stop

$191Frontier

Find Deal

Thu, Nov 6 - Thu, Nov 13

7:30 pm - 5:51 pmONT-IND

19h 21m1 stop

8:02 pm - 7:17 amIND-ONT

14h 15m1 stop

$247

Find Deal

Thu, Oct 2 - Sun, Oct 5

12:55 pm - 12:05 amONT-IND

8h 10m1 stop

7:55 am - 3:50 pmIND-ONT

10h 55m1 stop

$262Southwest

Find Deal

Fri, Oct 24 - Sun, Oct 26

Frontier flights from Ontario to Indianapolis

Our best Frontier deals on Ontario to Indianapolis flight tickets

Frontier

Oct 22

ONT6:53 amOntario

6h 36m

1 stop

IND4:29 pmIndianapolis

Oct 25

IND5:24 pmIndianapolis

9h 26m

1 stop

ONT11:50 pmOntario

$150

Find similar

Frontier

Nov 9

ONT6:53 amOntario

9h 51m

1 stop

IND7:44 pmIndianapolis

Nov 13

IND8:39 pmIndianapolis

6h 11m

1 stop

ONT11:50 pmOntario

$160

Find similar

Frontier

Nov 7

ONT4:05 pmOntario

20h 30m

1 stop

IND3:35 pmIndianapolis

Nov 10

IND8:39 pmIndianapolis

6h 11m

1 stop

ONT11:50 pmOntario

$181

Find similar

Delta flights from Ontario to Indianapolis

Our best Delta deals on Ontario to Indianapolis flight tickets

Delta

Sep 28

ONT10:00 pmOntario

7h 57m

1 stop

IND8:57 amIndianapolis

Sep 29

IND4:40 pmIndianapolis

8h 43m

1 stop

ONT10:23 pmOntario

$622

Find similar

Delta

Sep 21

ONT11:55 amOntario

9h 10m

1 stop

IND12:05 amIndianapolis

Sep 22

IND4:40 pmIndianapolis

8h 43m

1 stop

ONT10:23 pmOntario

$709

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Wed 10/22

6:53 am-4:29 pm

1 stop6h 36m

Indianapolis

Sat 10/25

5:24 pm-11:50 pm

1 stop9h 26m

$150

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Sun 11/9

6:53 am-7:44 pm

1 stop9h 51m

Indianapolis

Thu 11/13

8:39 pm-11:50 pm

1 stop6h 11m

$160

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 11/7

4:05 pm-3:35 pm

1 stop20h 30m

Indianapolis

Mon 11/10

8:39 pm-11:50 pm

1 stop6h 11m

$181

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 10/10

11:53 am-4:29 pm

1 stop25h 36m

Indianapolis

Thu 10/16

8:51 pm-11:50 pm

1 stop5h 59m

$182

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 10/23

6:53 am-7:24 pm

1 stop9h 31m

Indianapolis

Fri 10/24

8:51 pm-11:50 pm

1 stop5h 59m

$186

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 11/7

4:05 pm-3:35 pm

1 stop20h 30m

Indianapolis

Sun 11/9

8:39 pm-11:10 am

1 stop17h 31m

$187

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 11/14

6:53 am-7:44 pm

1 stop9h 51m

Indianapolis

Mon 11/17

8:39 pm-11:50 pm

1 stop6h 11m

$190

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 11/6

6:53 am-7:44 pm

1 stop9h 51m

Indianapolis

Thu 11/13

8:39 pm-11:50 pm

1 stop6h 11m

$191

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 10/2

7:30 pm-5:51 pm

1 stop19h 21m

Indianapolis

Sun 10/5

8:02 pm-7:17 am

1 stop14h 15m

$247

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 10/24

12:55 pm-12:05 am

1 stop8h 10m

Indianapolis

Sun 10/26

7:55 am-3:50 pm

1 stop10h 55m

$262

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 $346.

What is the cheapest day to depart on your flight to Indianapolis?

Our data shows that Thursday is the least expensive day to fly to Indianapolis. Tickets to fly out on this day can be as low as $354. 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 $424.

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 $160 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $401 on average. Flights to Indianapolis from Ontario in the evening 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 weeks ahead of your departure date. In general, you can expect to find flights to Indianapolis for around $399 when searching 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 $339 on momondo.

How have Ontario to Indianapolis flight prices changed over time?

As of September 2025, prices for Ontario to Indianapolis flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Indianapolis

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Indianapolis according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Direct flights	None

There are no direct flights from Ontario to Indianapolis. There are no popular flight routes from Ontario to Indianapolis.

Search flight deals

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 42m.
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 September 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 44% of all bookings. The subsequent popular airlines are American Airlines at 28%, Frontier at 17%, and United Airlines at 6%.

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
Frontier	PriceFrom $148	Free Cancellation	Rating 5.8 3,172 reviews	Search Frontier flights
Delta	PriceFrom $193	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
American Airlines	PriceFrom $312	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $317	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights
Southwest	PriceFrom $332	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights

Terre Haute

Bloomington

Kokomo

Muncie

Anderson

Plainfield

Greenwood

Noblesville

Fishers

Carmel

Shelbyville

West Lafayette

Seymour

Franklin

Brownsburg

Crawfordsville

Speedway

Greenfield

Westfield

Mooresville

Why 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.