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Cheap flights from Ontario to Indianapolis from $86

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Indianapolis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:30 am - 3:08 pmONT  Ontario-IND Indianapolis
24h 38m1 stop Denver Intl
Frontier Logo
4:41 pm - 10:17 pmIND  Indianapolis-ONT Ontario
8h 36m1 stop Denver Intl
$171Frontier
Tue, Dec 1 - Tue, Dec 8
Frontier Logo
6:00 am - 3:46 pmONT  Ontario-IND Indianapolis
6h 46m1 stop Denver Intl
Frontier Logo
4:41 pm - 10:17 pmIND  Indianapolis-ONT Ontario
8h 36m1 stop Denver Intl
$175Frontier
Sat, Dec 5 - Tue, Dec 8
Multiple Airlines Logo
10:55 am - 10:11 pmONT  Ontario-IND Indianapolis
8h 16m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
4:37 pm - 12:14 amIND  Indianapolis-ONT Ontario
10h 37m1 stop Denver Intl
$240Multiple Airlines
Wed, Nov 25 - Thu, Nov 26
Multiple Airlines Logo
8:02 am - 3:50 pmONT  Ontario-IND Indianapolis
28h 48m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
4:30 pm - 12:05 amIND  Indianapolis-ONT Ontario
10h 35m1 stop Denver Intl
$294Multiple Airlines
Sun, Feb 7 - Sat, Feb 13
Southwest Logo
5:20 am - 2:10 pmONT  Ontario-IND Indianapolis
5h 50m1 stop Phoenix Sky Harbor Intl
Southwest Logo
10:35 am - 1:25 pmIND  Indianapolis-ONT Ontario
5h 50m1 stop Las Vegas Harry Reid Intl
$372Southwest
Sat, Jan 30 - Wed, Feb 3
American Airlines Logo
2:22 pm - 11:30 pmONT  Ontario-IND Indianapolis
6h 08m1 stop Dallas/Fort Worth
American Airlines Logo
6:19 am - 12:39 pmIND  Indianapolis-ONT Ontario
9h 20m1 stop Phoenix Sky Harbor Intl
$377American Airlines
Tue, Dec 22 - Wed, Jan 13
American Airlines Logo
2:22 pm - 11:30 pmONT  Ontario-IND Indianapolis
6h 08m1 stop Dallas/Fort Worth
American Airlines Logo
6:19 am - 12:39 pmIND  Indianapolis-ONT Ontario
9h 20m1 stop Phoenix Sky Harbor Intl
$377American Airlines
Tue, Dec 22 - Tue, Jan 12
Delta Logo
1:20 pm - 10:59 pmONT  Ontario-IND Indianapolis
6h 39m1 stop Salt Lake City
Delta Logo
7:35 am - 12:12 pmIND  Indianapolis-ONT Ontario
7h 37m1 stop Salt Lake City
$377Delta
Tue, Jan 5 - Thu, Jan 7
Delta Logo
1:20 pm - 10:59 pmONT  Ontario-IND Indianapolis
6h 39m1 stop Salt Lake City
Delta Logo
7:35 am - 12:12 pmIND  Indianapolis-ONT Ontario
7h 37m1 stop Salt Lake City
$377Delta
Tue, Jan 5 - Wed, Jan 6
Southwest Logo
2:00 pm - 1:45 amONT  Ontario-IND Indianapolis
8h 45m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl
Southwest Logo
10:35 am - 1:25 pmIND  Indianapolis-ONT Ontario
5h 50m1 stop Las Vegas Harry Reid Intl
$378Southwest
Tue, Dec 22 - Tue, Jan 12

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Frontier flights from Ontario to Indianapolis

Our best Frontier deals on Ontario to Indianapolis flight tickets
Frontier
Dec 1
ONT11:30 amOntario
24h 38m
1 stop
IND3:08 pmIndianapolis
Dec 8
IND4:41 pmIndianapolis
8h 36m
1 stop
ONT10:17 pmOntario
$171
Frontier
Dec 5
ONT6:00 amOntario
6h 46m
1 stop
IND3:46 pmIndianapolis
Dec 8
IND4:41 pmIndianapolis
8h 36m
1 stop
ONT10:17 pmOntario
$175
Frontier
Dec 4
ONT6:00 amOntario
6h 44m
1 stop
IND3:44 pmIndianapolis
Dec 10
IND7:12 pmIndianapolis
8h 08m
1 stop
ONT12:20 amOntario
$181

momondo Fare Finder

 
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

Cheapest round-trip

OntarioIndianapolis

ONT Ontario - IND Indianapolis

ONTIND

Ontario

Tue 12/1

11:30 am-3:08 pm

1 stop24h 38m

Indianapolis

Tue 12/8

4:41 pm-10:17 pm

1 stop8h 36m

$171

OntarioIndianapolis

ONT Ontario - IND Indianapolis

ONTIND

Ontario

Sat 12/5

6:00 am-3:46 pm

1 stop6h 46m

Indianapolis

Tue 12/8

4:41 pm-10:17 pm

1 stop8h 36m

$175

OntarioIndianapolis

ONT Ontario - IND Indianapolis

ONTIND

Ontario

Wed 11/25

10:55 am-10:11 pm

1 stop8h 16m

Indianapolis

Thu 11/26

4:37 pm-12:14 am

1 stop10h 37m

$240

OntarioIndianapolis

ONT Ontario - IND Indianapolis

ONTIND

Ontario

Sun 2/7

8:02 am-3:50 pm

1 stop28h 48m

Indianapolis

Sat 2/13

4:30 pm-12:05 am

1 stop10h 35m

$294
Quickest round-trip

OntarioIndianapolis

ONT Ontario - IND Indianapolis

ONTIND

Ontario

Sat 1/30

5:20 am-2:10 pm

1 stop5h 50m

Indianapolis

Wed 2/3

10:35 am-1:25 pm

1 stop5h 50m

$372

OntarioIndianapolis

ONT Ontario - IND Indianapolis

ONTIND

Ontario

Tue 12/22

2:22 pm-11:30 pm

1 stop6h 08m

Indianapolis

Wed 1/13

6:19 am-12:39 pm

1 stop9h 20m

$377

OntarioIndianapolis

ONT Ontario - IND Indianapolis

ONTIND

Ontario

Tue 12/22

2:22 pm-11:30 pm

1 stop6h 08m

Indianapolis

Tue 1/12

6:19 am-12:39 pm

1 stop9h 20m

$377

OntarioIndianapolis

ONT Ontario - IND Indianapolis

ONTIND

Ontario

Tue 1/5

1:20 pm-10:59 pm

1 stop6h 39m

Indianapolis

Thu 1/7

7:35 am-12:12 pm

1 stop7h 37m

$377

OntarioIndianapolis

ONT Ontario - IND Indianapolis

ONTIND

Ontario

Tue 1/5

1:20 pm-10:59 pm

1 stop6h 39m

Indianapolis

Wed 1/6

7:35 am-12:12 pm

1 stop7h 37m

$377

OntarioIndianapolis

ONT Ontario - IND Indianapolis

ONTIND

Ontario

Tue 12/22

2:00 pm-1:45 am

2 stops8h 45m

Indianapolis

Tue 1/12

10:35 am-1:25 pm

1 stop5h 50m

$378

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 $256. If you are unable to visit Indianapolis during the month of February, then departing from Ontario during the month April is also very affordable. Most momondo users find prices during this month for around $316.

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

Our data shows that Saturday is the least expensive day to fly to Indianapolis. Tickets to fly out on this day can be as low as $442. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Indianapolis on Monday is $634.

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 $329 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 $503 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 from Ontario 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 $425 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 $364 on momondo.

How have Ontario to Indianapolis flight prices changed over time?

As of November 2026, prices for Ontario to Indianapolis flights are approximately 51% 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

Best Price Found

$86

Fastest flight time

5h 38m

Direct flights

None
The best one-way flight to Indianapolis from Ontario in the past 72 hours is $86. The best round-trip flight deal from Ontario to Indianapolis found on momondo in the last 72 hours is $171.
The fastest flight from Ontario to Indianapolis takes 5h 38m
There are no direct flights from Ontario to Indianapolis. There are no popular flight routes from Ontario to Indianapolis.
Search flight deals

Frequently asked questions about flying 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 38m.

  • 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 $165Free CancellationRating
5.5
2,511 reviews
Search Frontier flights
DeltaPriceFrom $183Free CancellationRating
7.8
8,698 reviews
Search Delta flights
United AirlinesPriceFrom $307Free CancellationRating
7.3
10,469 reviews
Search United Airlines flights
American AirlinesPriceFrom $316Free CancellationRating
7.0
12,228 reviews
Search American Airlines flights
SouthwestPriceFrom $345Free CancellationRating
8.0
4,215 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
Greenwood
Anderson
Plainfield
Noblesville
Carmel
Fishers
West Lafayette
Speedway
Franklin
Westfield
Shelbyville
Crawfordsville
Brownsburg
Seymour
Greenfield
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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