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Cheap flights from Ontario to Indianapolis from $65

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 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Indianapolis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:20 am - 3:35 pmONT-IND
6h 15m1 stop
Frontier Logo
4:30 pm - 12:20 amIND-ONT
10h 50m1 stop
$138Frontier
Find Deal
Thu, Jan 22 - Sun, Jan 25
Frontier Logo
6:00 am - 8:00 pmONT-IND
11h 00m1 stop
Frontier Logo
8:55 pm - 11:56 pmIND-ONT
6h 01m1 stop
$148Frontier
Find Deal
Thu, Jan 8 - Mon, Jan 12
Frontier Logo
6:00 am - 8:00 pmONT-IND
11h 00m1 stop
Frontier Logo
8:55 pm - 11:56 pmIND-ONT
6h 01m1 stop
$176Frontier
Find Deal
Thu, Jan 8 - Mon, Jan 12
Frontier Logo
6:00 am - 8:00 pmONT-IND
11h 00m1 stop
Frontier Logo
8:55 pm - 11:56 pmIND-ONT
6h 01m1 stop
$184Frontier
Find Deal
Thu, Jan 8 - Sun, Jan 11
Frontier Logo
6:00 am - 8:00 pmONT-IND
11h 00m1 stop
Frontier Logo
8:55 pm - 11:56 pmIND-ONT
6h 01m1 stop
$209Frontier
Find Deal
Thu, Jan 8 - Sun, Jan 11
Frontier Logo
3:20 pm - 7:53 pmONT-IND
25h 33m1 stop
Frontier Logo
8:48 pm - 2:25 pmIND-ONT
20h 37m1 stop
$237Frontier
Find Deal
Sat, Dec 6 - Fri, Dec 12
Frontier Logo
6:45 am - 7:53 pmONT-IND
10h 08m1 stop
Frontier Logo
8:48 pm - 11:59 pmIND-ONT
6h 11m1 stop
$246Frontier
Find Deal
Thu, Dec 25 - Thu, Jan 1
Frontier Logo
6:00 am - 8:00 pmONT-IND
11h 00m1 stop
Frontier Logo
8:55 pm - 11:56 pmIND-ONT
6h 01m1 stop
$256Frontier
Find Deal
Thu, Jan 8 - Sun, Jan 11
Multiple Airlines Logo
6:15 am - 4:34 pmONT-IND
7h 19m1 stop
Multiple Airlines Logo
5:30 am - 9:17 pmIND-ONT
42h 47m2 stops
$267Multiple Airlines
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Fri, Dec 5 - Mon, Dec 15
Frontier Logo
6:10 am - 8:07 pmONT-IND
10h 57m1 stop
Frontier Logo
8:52 pm - 11:59 pmIND-ONT
6h 07m1 stop
$297Frontier
Find Deal
Thu, Jan 15 - Sun, Jan 18

Frontier flights from Ontario to Indianapolis

Our best Frontier deals on Ontario to Indianapolis flight tickets
Frontier
Jan 8
ONT6:00 amOntario
11h 00m
1 stop
IND8:00 pmIndianapolis
Jan 12
IND8:55 pmIndianapolis
6h 01m
1 stop
ONT11:56 pmOntario
$148
Find similar
Frontier
Jan 8
ONT6:00 amOntario
11h 00m
1 stop
IND8:00 pmIndianapolis
Jan 11
IND8:55 pmIndianapolis
6h 01m
1 stop
ONT11:56 pmOntario
$209
Find similar
Frontier
Dec 6
ONT3:20 pmOntario
25h 33m
1 stop
IND7:53 pmIndianapolis
Dec 12
IND8:48 pmIndianapolis
20h 37m
1 stop
ONT2:25 pmOntario
$237
Find similar

Alaska Airlines flights from Ontario to Indianapolis

Our best Alaska Airlines deals on Ontario to Indianapolis flight tickets
Alaska Airlines
Jan 30
ONT6:00 amOntario
10h 05m
1 stop
IND7:05 pmIndianapolis
Feb 4
IND7:00 amIndianapolis
16h 36m
1 stop
ONT8:36 pmOntario
$332
Find similar
Alaska Airlines
Feb 6
ONT6:00 amOntario
10h 05m
1 stop
IND7:05 pmIndianapolis
Feb 8
IND7:00 amIndianapolis
30h 59m
1 stop
ONT10:59 amOntario
$342
Find similar
Alaska Airlines
Dec 9
ONT6:00 amOntario
9h 24m
1 stop
IND6:24 pmIndianapolis
Dec 10
IND7:30 pmIndianapolis
30h 59m
1 stop
ONT11:29 pmOntario
$384
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Indianapolis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 20, 2025.
Use the filters below to find and compare flights from Ontario to Indianapolis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 1/22

6:20 am-3:35 pm

1 stop6h 15m

Indianapolis

Sun 1/25

4:30 pm-12:20 am

1 stop10h 50m

$138

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 1/8

6:00 am-8:00 pm

1 stop11h 00m

Indianapolis

Mon 1/12

8:55 pm-11:56 pm

1 stop6h 01m

$148

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 1/8

6:00 am-8:00 pm

1 stop11h 00m

Indianapolis

Mon 1/12

8:55 pm-11:56 pm

1 stop6h 01m

$176

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 1/8

6:00 am-8:00 pm

1 stop11h 00m

Indianapolis

Sun 1/11

8:55 pm-11:56 pm

1 stop6h 01m

$184

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 1/8

6:00 am-8:00 pm

1 stop11h 00m

Indianapolis

Sun 1/11

8:55 pm-11:56 pm

1 stop6h 01m

$209

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Sat 12/6

3:20 pm-7:53 pm

1 stop25h 33m

Indianapolis

Fri 12/12

8:48 pm-2:25 pm

1 stop20h 37m

$237

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 12/25

6:45 am-7:53 pm

1 stop10h 08m

Indianapolis

Thu 1/1

8:48 pm-11:59 pm

1 stop6h 11m

$246

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 1/8

6:00 am-8:00 pm

1 stop11h 00m

Indianapolis

Sun 1/11

8:55 pm-11:56 pm

1 stop6h 01m

$256

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 12/5

6:15 am-4:34 pm

1 stop7h 19m

Indianapolis

Mon 12/15

5:30 am-9:17 pm

2 stops42h 47m

$267

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 1/15

6:10 am-8:07 pm

1 stop10h 57m

Indianapolis

Sun 1/18

8:52 pm-11:59 pm

1 stop6h 07m

$297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $186. 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 $352.

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 $350. 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 $443.

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 $413 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 $396 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 $338 on momondo.

How have Ontario to Indianapolis flight prices changed over time?

As of November 2025, prices for Ontario to Indianapolis flights are approximately 10% 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 15m.

  • 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?

  • 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?

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
FrontierPriceFrom $163Free CancellationRating
5.8
3,104 reviews
Search Frontier flights
DeltaPriceFrom $193Free CancellationRating
7.9
8,002 reviews
Search Delta flights
United AirlinesPriceFrom $292Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
American AirlinesPriceFrom $292Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SouthwestPriceFrom $321Free CancellationRating
8.0
4,251 reviews
Search Southwest flights

Traveling to a place near Indianapolis?

Book flights to Indianapolis if you plan to visit one of these locations
Terre Haute
Bloomington
Kokomo
Muncie
Anderson
Plainfield
Greenwood
Noblesville
Fishers
Carmel
Shelbyville
West Lafayette
Seymour
Franklin
Speedway
Crawfordsville
Brownsburg
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.

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