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Cheap flights from Indianapolis to Los Angeles from $117

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indianapolis to Los Angeles departing on 8/5. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Indianapolis to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:49 pm - 11:50 pm
IND
-
ONT
6h 01m
1 stop
Frontier Logo
10:49 am - 8:04 pm
ONT
-
IND
6h 15m
1 stop
$235Frontier
Tue, Aug 25 - Thu, Aug 27
Frontier Logo
8:53 pm - 11:50 pm
IND
-
ONT
5h 57m
1 stop
Frontier Logo
10:49 am - 8:08 pm
ONT
-
IND
6h 19m
1 stop
$237Frontier
Wed, Aug 12 - Sat, Aug 15
Frontier Logo
8:49 pm - 11:50 pm
IND
-
ONT
6h 01m
1 stop
Frontier Logo
6:00 am - 8:04 pm
ONT
-
IND
11h 04m
1 stop
$240Frontier
Wed, Aug 19 - Mon, Aug 24
Frontier Logo
8:53 pm - 11:50 pm
IND
-
ONT
5h 57m
1 stop
Frontier Logo
6:00 am - 8:04 pm
ONT
-
IND
11h 04m
1 stop
$241Frontier
Sat, Aug 15 - Sat, Aug 22
Frontier Logo
8:53 pm - 11:50 pm
IND
-
ONT
5h 57m
1 stop
Frontier Logo
6:00 am - 8:04 pm
ONT
-
IND
11h 04m
1 stop
$242Frontier
Sat, Aug 15 - Sat, Aug 22
Frontier Logo
8:49 pm - 10:04 am
IND
-
ONT
16h 15m
1 stop
Frontier Logo
6:00 am - 7:21 pm
ONT
-
IND
10h 21m
1 stop
$250Frontier
Mon, Sep 7 - Tue, Sep 15
Frontier Logo
8:16 pm - 11:55 pm
IND
-
ONT
6h 39m
1 stop
Frontier Logo
6:00 am - 7:21 pm
ONT
-
IND
10h 21m
1 stop
$257Frontier
Wed, Oct 14 - Mon, Oct 26
Frontier Logo
8:53 pm - 11:50 pm
IND
-
ONT
5h 57m
1 stop
Frontier Logo
6:00 am - 8:08 pm
ONT
-
IND
11h 08m
1 stop
$260Frontier
Sat, Aug 8 - Mon, Aug 10
Frontier Logo
8:16 pm - 11:55 pm
IND
-
ONT
6h 39m
1 stop
Frontier Logo
6:00 am - 7:21 pm
ONT
-
IND
10h 21m
1 stop
$261Frontier
Sat, Oct 10 - Wed, Oct 14
Multiple Airlines Logo
8:53 pm - 10:04 am
IND
-
ONT
16h 11m
1 stop
Multiple Airlines Logo
8:58 am - 11:27 pm
ONT
-
IND
35h 29m
2 stops
$272Multiple Airlines
Sat, Aug 8 - Wed, Aug 12

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Frontier flights from Indianapolis to Ontario

Our best Frontier deals on Indianapolis to Ontario flight tickets
Frontier
Aug 25
IND8:49 pmIndianapolis
6h 01m
1 stop
ONT11:50 pmOntario
Aug 27
ONT10:49 amOntario
6h 15m
1 stop
IND8:04 pmIndianapolis
$235
Frontier
Aug 12
IND8:53 pmIndianapolis
5h 57m
1 stop
ONT11:50 pmOntario
Aug 15
ONT10:49 amOntario
6h 19m
1 stop
IND8:08 pmIndianapolis
$237
Frontier
Aug 19
IND8:49 pmIndianapolis
6h 01m
1 stop
ONT11:50 pmOntario
Aug 24
ONT6:00 amOntario
11h 04m
1 stop
IND8:04 pmIndianapolis
$240

Delta flights from Indianapolis to Ontario

Our best Delta deals on Indianapolis to Ontario flight tickets
Delta
Oct 17
IND7:30 amIndianapolis
7h 52m
1 stop
ONT12:22 pmOntario
Oct 27
ONT12:18 pmOntario
7h 54m
1 stop
IND11:12 pmIndianapolis
$333
Delta
Aug 2
IND5:55 amIndianapolis
7h 43m
1 stop
ONT10:38 amOntario
Aug 10
ONT12:00 pmOntario
9h 27m
1 stop
IND12:27 amIndianapolis
$478
Delta
Aug 2
IND5:55 amIndianapolis
7h 43m
1 stop
ONT10:38 amOntario
Aug 8
ONT12:00 pmOntario
9h 27m
1 stop
IND12:27 amIndianapolis
$548

momondo Fare Finder

 
Customize your flight search to find flights from Indianapolis to Ontario 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 July 20, 2026.
Use the filters below to find and compare flights from Indianapolis to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Tue 8/25

8:49 pm-11:50 pm

1 stop6h 01m

Ontario

Thu 8/27

10:49 am-8:04 pm

1 stop6h 15m

$235

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Wed 8/12

8:53 pm-11:50 pm

1 stop5h 57m

Ontario

Sat 8/15

10:49 am-8:08 pm

1 stop6h 19m

$237

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Wed 8/19

8:49 pm-11:50 pm

1 stop6h 01m

Ontario

Mon 8/24

6:00 am-8:04 pm

1 stop11h 04m

$240

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Sat 8/15

8:53 pm-11:50 pm

1 stop5h 57m

Ontario

Sat 8/22

6:00 am-8:04 pm

1 stop11h 04m

$241

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Sat 8/15

8:53 pm-11:50 pm

1 stop5h 57m

Ontario

Sat 8/22

6:00 am-8:04 pm

1 stop11h 04m

$242

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Mon 9/7

8:49 pm-10:04 am

1 stop16h 15m

Ontario

Tue 9/15

6:00 am-7:21 pm

1 stop10h 21m

$250

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Wed 10/14

8:16 pm-11:55 pm

1 stop6h 39m

Ontario

Mon 10/26

6:00 am-7:21 pm

1 stop10h 21m

$257

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Sat 8/8

8:53 pm-11:50 pm

1 stop5h 57m

Ontario

Mon 8/10

6:00 am-8:08 pm

1 stop11h 08m

$260

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Sat 10/10

8:16 pm-11:55 pm

1 stop6h 39m

Ontario

Wed 10/14

6:00 am-7:21 pm

1 stop10h 21m

$261

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Sat 8/8

8:53 pm-10:04 am

1 stop16h 11m

Ontario

Wed 8/12

8:58 am-11:27 pm

2 stops35h 29m

$272

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Indianapolis to Ontario

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 typical price of a round-trip flight between Indianapolis and Ontario?

What is the cheapest month to fly to Ontario?

In general, March is the cheapest month to fly from Indianapolis to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $333. If you aren’t able to travel during the month of March, then book flights to Ontario from Indianapolis during October instead. Flights to Ontario in October, while not as cheap as those in March, still average around $335.

How far in advance should I book a flight from Indianapolis to Ontario?

You are more likely to see cheaper flights to Ontario from Indianapolis when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $424 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Indianapolis for as low as $344 on momondo.

How have Indianapolis to Ontario flight prices changed over time?

As of July 2026, prices for Indianapolis to Ontario flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from Indianapolis to Ontario

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

Cheap Indianapolis to Ontario (IND to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Indianapolis to Ontario

Fastest flight time

5h 57m

Direct flights

None
The fastest flight from Indianapolis to Ontario takes 5h 57m
There are no direct flights from Indianapolis to Ontario. There are no popular flight routes from Indianapolis to Ontario.
Search flight deals

Frequently asked questions about flying from Indianapolis to Ontario

  • How far is Indianapolis to Ontario by plane?

    There are 1772.8 mi between Indianapolis and Ontario. 5h 57m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Indianapolis Airport to Ontario Airport?

    Prices for flights from Indianapolis Airport to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from Indianapolis Airport to Ontario Airport?

  • How old do you have to be to fly from Indianapolis Airport to Ontario 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 Indianapolis Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Indianapolis to Ontario?

Best airlines flying from Indianapolis to Ontario

Compare and see reviews for airlines that fly from Indianapolis to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $150Free CancellationRating
5.6
2,780 reviews
Search Frontier flights
DeltaPriceFrom $166Free CancellationRating
7.8
8,478 reviews
Search Delta flights
United AirlinesPriceFrom $271Free CancellationRating
7.4
10,013 reviews
Search United Airlines flights
American AirlinesPriceFrom $292Free CancellationRating
7.1
11,826 reviews
Search American Airlines flights
SouthwestPriceFrom $316Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Indianapolis to Ontario?

Finding the right flight to Ontario from Indianapolis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

Can I find flights from Indianapolis to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Indianapolis to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from Indianapolis to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Indianapolis to Ontario.

I’m not ready to book a flight from Indianapolis to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Indianapolis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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