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.

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

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

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 August 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.

$75 Cheap Flights from Ontario to Indianapolis in 2025

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Find the cheapest flights from Ontario to Indianapolis

Round-trip

One-way

Last minute

Cheap round-trip flights

12:59 am - 8:04 pmONT-IND

16h 05m1 stop

8:54 pm - 7:23 amIND-ONT

13h 29m1 stop

$150Frontier

Find Deal

Wed, Sep 3 - Sun, Sep 7

8:59 pm - 4:14 pmONT-IND

16h 15m1 stop

8:54 pm - 7:54 pmIND-ONT

26h 00m1 stop

$151Frontier

Find Deal

Fri, Sep 19 - Mon, Sep 22

8:59 pm - 8:04 pmONT-IND

20h 05m1 stop

7:32 pm - 11:28 amIND-ONT

18h 56m1 stop

$169Frontier

Find Deal

Thu, Sep 18 - Sun, Sep 21

8:00 am - 10:15 amONT-IND

23h 15m2 stops

8:54 pm - 7:53 amIND-ONT

13h 59m1 stop

$209

Find Deal

Wed, Sep 10 - Thu, Sep 18

10:47 pm - 5:23 pmONT-IND

15h 36m1 stop

7:30 am - 10:05 pmIND-ONT

17h 35m1 stop

$230

Find Deal

Fri, Oct 24 - Mon, Oct 27

3:35 pm - 12:05 amONT-IND

5h 30m1 stop

6:40 am - 12:00 pmIND-ONT

8h 20m2 stops

$262Southwest

Find Deal

Wed, Sep 10 - Tue, Sep 23

2:54 pm - 12:14 amONT-IND

6h 20m1 stop

6:00 am - 10:05 amIND-ONT

7h 05m1 stop

$266American Airlines

Find Deal

Tue, Sep 9 - Thu, Sep 11

1:10 pm - 12:14 amONT-IND

8h 04m2 stops

6:00 am - 10:05 amIND-ONT

7h 05m1 stop

$271American Airlines

Find Deal

Tue, Sep 9 - Thu, Sep 11

10:00 pm - 8:57 amONT-IND

7h 57m1 stop

8:10 am - 12:17 pmIND-ONT

7h 07m1 stop

$277Delta

Find Deal

Mon, Sep 15 - Sat, Sep 20

10:00 pm - 8:55 amONT-IND

7h 55m1 stop

2:08 pm - 10:22 pmIND-ONT

11h 14m2 stops

$282Delta

Find Deal

Mon, Oct 20 - Tue, Oct 21

American Airlines flights from Ontario to Indianapolis

Our best American Airlines deals on Ontario to Indianapolis flight tickets

American Airlines

Sep 9

ONT2:54 pmOntario

6h 20m

1 stop

IND12:14 amIndianapolis

Sep 11

IND6:00 amIndianapolis

7h 05m

1 stop

ONT10:05 amOntario

$266

Find similar

American Airlines

Sep 9

ONT1:10 pmOntario

8h 04m

2 stops

IND12:14 amIndianapolis

Sep 11

IND6:00 amIndianapolis

7h 05m

1 stop

ONT10:05 amOntario

$271

Find similar

American Airlines

Sep 10

ONT1:10 pmOntario

8h 04m

2 stops

IND12:14 amIndianapolis

Sep 12

IND7:21 amIndianapolis

9h 33m

1 stop

ONT1:54 pmOntario

$280

Find similar

Frontier flights from Ontario to Indianapolis

Our best Frontier deals on Ontario to Indianapolis flight tickets

Frontier

Sep 3

ONT12:59 amOntario

16h 05m

1 stop

IND8:04 pmIndianapolis

Sep 7

IND8:54 pmIndianapolis

13h 29m

1 stop

ONT7:23 amOntario

$150

Find similar

Frontier

Sep 19

ONT8:59 pmOntario

16h 15m

1 stop

IND4:14 pmIndianapolis

Sep 22

IND8:54 pmIndianapolis

26h 00m

1 stop

ONT7:54 pmOntario

$151

Find similar

Frontier

Sep 18

ONT8:59 pmOntario

20h 05m

1 stop

IND8:04 pmIndianapolis

Sep 21

IND7:32 pmIndianapolis

18h 56m

1 stop

ONT11:28 amOntario

$169

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Wed 9/3

12:59 am-8:04 pm

1 stop16h 05m

Indianapolis

Sun 9/7

8:54 pm-7:23 am

1 stop13h 29m

$150

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 9/19

8:59 pm-4:14 pm

1 stop16h 15m

Indianapolis

Mon 9/22

8:54 pm-7:54 pm

1 stop26h 00m

$151

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 9/18

8:59 pm-8:04 pm

1 stop20h 05m

Indianapolis

Sun 9/21

7:32 pm-11:28 am

1 stop18h 56m

$169

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Wed 9/10

8:00 am-10:15 am

2 stops23h 15m

Indianapolis

Thu 9/18

8:54 pm-7:53 am

1 stop13h 59m

$209

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 10/24

10:47 pm-5:23 pm

1 stop15h 36m

Indianapolis

Mon 10/27

7:30 am-10:05 pm

1 stop17h 35m

$230

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Wed 9/10

3:35 pm-12:05 am

1 stop5h 30m

Indianapolis

Tue 9/23

6:40 am-12:00 pm

2 stops8h 20m

$262

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Tue 9/9

2:54 pm-12:14 am

1 stop6h 20m

Indianapolis

Thu 9/11

6:00 am-10:05 am

1 stop7h 05m

$266

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Tue 9/9

1:10 pm-12:14 am

2 stops8h 04m

Indianapolis

Thu 9/11

6:00 am-10:05 am

1 stop7h 05m

$271

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Mon 9/15

10:00 pm-8:57 am

1 stop7h 57m

Indianapolis

Sat 9/20

8:10 am-12:17 pm

1 stop7h 07m

$277

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Mon 10/20

10:00 pm-8:55 am

1 stop7h 55m

Indianapolis

Tue 10/21

2:08 pm-10:22 pm

2 stops11h 14m

$282

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 $290.

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 $357. 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 $451.

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 morning when prices are $398 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 weeks ahead of your departure date. In general, you can expect to find flights to Indianapolis for around $388 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 $318 on momondo.

How have Ontario to Indianapolis flight prices changed over time?

As of August 2025, prices for Ontario to Indianapolis flights are approximately 15% cheaper 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.

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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 30m.
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 August 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 27%, Frontier at 19%, and United Airlines at 5%.

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 $130	Free Cancellation	Rating 5.8 3,207 reviews	Search Frontier flights
Delta	PriceFrom $193	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights
American Airlines	PriceFrom $321	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $330	Free Cancellation	Rating 7.4 8,930 reviews	Search United Airlines flights
Southwest	PriceFrom $333	Free Cancellation	Rating 8.0 4,245 reviews	Search Southwest flights

Terre Haute

Bloomington

Kokomo

Anderson

Muncie

Plainfield

Greenwood

Noblesville

Fishers

Carmel

Shelbyville

Seymour

West Lafayette

Franklin

Brownsburg

Crawfordsville

Greenfield

Speedway

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.