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Cheap flights from Ontario to Indianapolis from $77

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 3/24. 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
6:15 am - 7:38 pm
ONT
-
IND
10h 23m
1 stop
Frontier Logo
8:33 pm - 11:59 pm
IND
-
ONT
6h 26m
1 stop
$157Frontier
Wed, Mar 11 - Sat, Mar 14
Frontier Logo
6:05 am - 7:57 pm
ONT
-
IND
10h 52m
1 stop
Frontier Logo
10:05 am - 2:30 pm
IND
-
ONT
7h 25m
1 stop
$180Frontier
Thu, Feb 26 - Mon, Mar 2
Frontier Logo
6:05 am - 7:57 pm
ONT
-
IND
10h 52m
1 stop
Frontier Logo
8:33 pm - 11:59 pm
IND
-
ONT
6h 26m
1 stop
$199Frontier
Thu, Feb 26 - Sat, Mar 7
Frontier Logo
6:05 am - 8:07 pm
ONT
-
IND
11h 02m
1 stop
Frontier Logo
8:52 pm - 11:59 pm
IND
-
ONT
6h 07m
1 stop
$201Frontier
Thu, Feb 12 - Thu, Feb 19
Frontier Logo
6:15 am - 7:38 pm
ONT
-
IND
10h 23m
1 stop
Frontier Logo
8:33 pm - 11:59 pm
IND
-
ONT
6h 26m
1 stop
$210Frontier
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
2:08 pm - 8:02 pm
ONT
-
IND
26h 54m
1 stop
Multiple Airlines Logo
8:18 pm - 7:26 am
IND
-
ONT
38h 08m
2 stops
$212Multiple Airlines
Thu, Feb 12 - Thu, Feb 19
Frontier Logo
6:05 am - 8:07 pm
ONT
-
IND
11h 02m
1 stop
Frontier Logo
8:42 pm - 11:59 pm
IND
-
ONT
6h 17m
1 stop
$213Frontier
Thu, Feb 19 - Thu, Feb 26
Frontier Logo
6:20 am - 3:35 pm
ONT
-
IND
6h 15m
1 stop
Frontier Logo
4:30 pm - 12:20 am
IND
-
ONT
10h 50m
1 stop
$215Frontier
Thu, Jan 29 - Sun, Feb 1
Multiple Airlines Logo
8:21 am - 3:54 pm
ONT
-
IND
28h 33m
1 stop
Multiple Airlines Logo
5:45 am - 2:29 pm
IND
-
ONT
35h 44m
2 stops
$218Multiple Airlines
Sat, Feb 14 - Wed, Feb 18
Frontier Logo
6:15 am - 7:38 pm
ONT
-
IND
10h 23m
1 stop
Frontier Logo
8:33 pm - 11:59 pm
IND
-
ONT
30h 26m
1 stop
$226Frontier
Fri, Mar 6 - Sun, Mar 8

United Airlines flights from Ontario to Indianapolis

Our best United Airlines deals on Ontario to Indianapolis flight tickets
United Airlines
Feb 14
ONT1:45 pmOntario
5h 30m
1 stop
IND10:15 pmIndianapolis
Feb 18
IND5:04 pmIndianapolis
7h 55m
1 stop
ONT9:59 pmOntario
$257
United Airlines
Feb 14
ONT6:00 amOntario
6h 47m
1 stop
IND3:47 pmIndianapolis
Feb 21
IND11:25 amIndianapolis
12h 25m
2 stops
ONT8:50 pmOntario
$262
United Airlines
Feb 7
ONT6:00 amOntario
6h 51m
1 stop
IND3:51 pmIndianapolis
Feb 9
IND5:05 pmIndianapolis
7h 53m
1 stop
ONT9:58 pmOntario
$275

Southwest flights from Ontario to Indianapolis

Our best Southwest deals on Ontario to Indianapolis flight tickets
Southwest
Feb 18
ONT5:55 amOntario
8h 10m
1 stop
IND5:05 pmIndianapolis
Feb 26
IND7:55 pmIndianapolis
6h 25m
1 stop
ONT11:20 pmOntario
$306
Southwest
Feb 8
ONT6:50 amOntario
12h 15m
1 stop
IND10:05 pmIndianapolis
Feb 12
IND5:15 amIndianapolis
6h 55m
1 stop
ONT9:10 amOntario
$322
Southwest
Jan 16
ONT12:45 pmOntario
8h 20m
2 stops
IND12:05 amIndianapolis
Jan 19
IND6:00 pmIndianapolis
6h 20m
1 stop
ONT9:20 pmOntario
$918

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 January 15, 2026.
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

Wed 3/11

6:15 am-7:38 pm

1 stop10h 23m

Indianapolis

Sat 3/14

8:33 pm-11:59 pm

1 stop6h 26m

$157

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 2/26

6:05 am-7:57 pm

1 stop10h 52m

Indianapolis

Mon 3/2

10:05 am-2:30 pm

1 stop7h 25m

$180

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 2/26

6:05 am-7:57 pm

1 stop10h 52m

Indianapolis

Sat 3/7

8:33 pm-11:59 pm

1 stop6h 26m

$199

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 2/12

6:05 am-8:07 pm

1 stop11h 02m

Indianapolis

Thu 2/19

8:52 pm-11:59 pm

1 stop6h 07m

$201

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Tue 3/17

6:15 am-7:38 pm

1 stop10h 23m

Indianapolis

Tue 3/24

8:33 pm-11:59 pm

1 stop6h 26m

$210

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 2/12

2:08 pm-8:02 pm

1 stop26h 54m

Indianapolis

Thu 2/19

8:18 pm-7:26 am

2 stops38h 08m

$212

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 2/19

6:05 am-8:07 pm

1 stop11h 02m

Indianapolis

Thu 2/26

8:42 pm-11:59 pm

1 stop6h 17m

$213

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 1/29

6:20 am-3:35 pm

1 stop6h 15m

Indianapolis

Sun 2/1

4:30 pm-12:20 am

1 stop10h 50m

$215

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Sat 2/14

8:21 am-3:54 pm

1 stop28h 33m

Indianapolis

Wed 2/18

5:45 am-2:29 pm

2 stops35h 44m

$218

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 3/6

6:15 am-7:38 pm

1 stop10h 23m

Indianapolis

Sun 3/8

8:33 pm-11:59 pm

1 stop30h 26m

$226

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 $231. 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 $348. 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 $441.

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 $400 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 $382 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 January 2026, prices for Ontario to Indianapolis flights are approximately 54% 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

Fastest flight time

5h 51m

Direct flights

None
The fastest flight from Ontario to Indianapolis takes 5h 51m
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 51m.

  • 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
5.7
3,057 reviews
Search Frontier flights
DeltaPriceFrom $166Free CancellationRating
7.9
8,051 reviews
Search Delta flights
United AirlinesPriceFrom $292Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
American AirlinesPriceFrom $292Free CancellationRating
7.2
11,136 reviews
Search American Airlines flights
SouthwestPriceFrom $321Free CancellationRating
8.0
4,258 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
Plainfield
Anderson
Greenwood
Noblesville
Fishers
Carmel
Shelbyville
Franklin
West Lafayette
Brownsburg
Seymour
Speedway
Crawfordsville
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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