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Cheap flights from Indianapolis to Los Angeles from $118

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 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Indianapolis to Los Angeles

Cheap round-trip flights

Frontier Logo
6:00 am - 9:09 amIND-ONT
6h 09m1 stop
Frontier Logo
12:59 am - 3:40 pmONT-IND
11h 41m1 stop
$238Frontier
Find Deal
Sat, Aug 16 - Fri, Aug 22
Frontier Logo
5:01 pm - 7:23 amIND-ONT
17h 22m1 stop
Frontier Logo
8:59 pm - 8:04 pmONT-IND
20h 05m1 stop
$239Frontier
Find Deal
Sat, Sep 20 - Sat, Sep 27
Alaska Airlines Logo
6:30 am - 2:12 pmIND-ONT
10h 42m1 stop
Alaska Airlines Logo
6:00 am - 6:02 pmONT-IND
9h 02m1 stop
$275Alaska Airlines
Find Deal
Wed, Oct 1 - Tue, Oct 7
Delta Logo
6:00 am - 10:35 amIND-ONT
7h 35m1 stop
Delta Logo
7:05 am - 7:03 pmONT-IND
8h 58m1 stop
$277Delta
Find Deal
Thu, Sep 4 - Tue, Sep 9
American Airlines Logo
6:07 am - 11:32 amIND-ONT
8h 25m1 stop
American Airlines Logo
6:10 am - 6:01 pmONT-IND
8h 51m2 stops
$280American Airlines
Find Deal
Thu, Aug 28 - Thu, Sep 4
Delta Logo
6:00 am - 10:26 amIND-ONT
7h 26m1 stop
Delta Logo
10:29 pm - 11:14 amONT-IND
9h 45m2 stops
$282Delta
Find Deal
Tue, Oct 21 - Mon, Oct 27
American Airlines Logo
7:24 am - 11:52 amIND-ONT
7h 28m1 stop
American Airlines Logo
12:22 pm - 11:00 pmONT-IND
7h 38m1 stop
$284American Airlines
Find Deal
Wed, Aug 20 - Sun, Aug 24
Alaska Airlines Logo
6:55 pm - 12:03 amIND-ONT
8h 08m1 stop
Alaska Airlines Logo
3:06 pm - 5:10 amONT-IND
11h 04m1 stop
$292Alaska Airlines
Find Deal
Thu, Sep 11 - Mon, Sep 15
United Airlines Logo
6:00 am - 12:13 pmIND-ONT
9h 13m2 stops
United Airlines Logo
5:10 am - 4:32 pmONT-IND
8h 22m2 stops
$303United Airlines
Find Deal
Sun, Aug 24 - Sun, Aug 31
United Airlines Logo
5:42 pm - 10:30 pmIND-ONT
7h 48m1 stop
United Airlines Logo
1:15 pm - 10:18 pmONT-IND
6h 03m1 stop
$365United Airlines
Find Deal
Sat, Sep 20 - Sat, Sep 27

Frontier flights from Indianapolis to Ontario

Our best Frontier deals on Indianapolis to Ontario flight tickets
Frontier
Aug 16
IND6:00 amIndianapolis
6h 09m
1 stop
ONT9:09 amOntario
Aug 22
ONT12:59 amOntario
11h 41m
1 stop
IND3:40 pmIndianapolis
$238
Find similar
Frontier
Sep 20
IND5:01 pmIndianapolis
17h 22m
1 stop
ONT7:23 amOntario
Sep 27
ONT8:59 pmOntario
20h 05m
1 stop
IND8:04 pmIndianapolis
$239
Find similar
Frontier
Aug 5
IND6:00 amIndianapolis
6h 09m
1 stop
ONT9:09 amOntario
Aug 8
ONT12:59 amOntario
20h 44m
1 stop
IND12:43 amIndianapolis
$245
Find similar

American Airlines flights from Indianapolis to Ontario

Our best American Airlines deals on Indianapolis to Ontario flight tickets
American Airlines
Aug 28
IND6:07 amIndianapolis
8h 25m
1 stop
ONT11:32 amOntario
Sep 4
ONT6:10 amOntario
8h 51m
2 stops
IND6:01 pmIndianapolis
$280
Find similar
American Airlines
Aug 20
IND7:24 amIndianapolis
7h 28m
1 stop
ONT11:52 amOntario
Aug 24
ONT12:22 pmOntario
7h 38m
1 stop
IND11:00 pmIndianapolis
$284
Find similar
American Airlines
Aug 20
IND5:45 amIndianapolis
8h 47m
2 stops
ONT11:32 amOntario
Aug 24
ONT12:22 pmOntario
7h 38m
1 stop
IND11:00 pmIndianapolis
$289
Find similar

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 August 1, 2025.
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

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Sat 8/16

6:00 am-9:09 am

1 stop6h 09m

Ontario

Fri 8/22

12:59 am-3:40 pm

1 stop11h 41m

$238

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Sat 9/20

5:01 pm-7:23 am

1 stop17h 22m

Ontario

Sat 9/27

8:59 pm-8:04 pm

1 stop20h 05m

$239

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Wed 10/1

6:30 am-2:12 pm

1 stop10h 42m

Ontario

Tue 10/7

6:00 am-6:02 pm

1 stop9h 02m

$275

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Thu 9/4

6:00 am-10:35 am

1 stop7h 35m

Ontario

Tue 9/9

7:05 am-7:03 pm

1 stop8h 58m

$277

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Thu 8/28

6:07 am-11:32 am

1 stop8h 25m

Ontario

Thu 9/4

6:10 am-6:01 pm

2 stops8h 51m

$280

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Tue 10/21

6:00 am-10:26 am

1 stop7h 26m

Ontario

Mon 10/27

10:29 pm-11:14 am

2 stops9h 45m

$282

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Wed 8/20

7:24 am-11:52 am

1 stop7h 28m

Ontario

Sun 8/24

12:22 pm-11:00 pm

1 stop7h 38m

$284

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Thu 9/11

6:55 pm-12:03 am

1 stop8h 08m

Ontario

Mon 9/15

3:06 pm-5:10 am

1 stop11h 04m

$292

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Sun 8/24

6:00 am-12:13 pm

2 stops9h 13m

Ontario

Sun 8/31

5:10 am-4:32 pm

2 stops8h 22m

$303

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Sat 9/20

5:42 pm-10:30 pm

1 stop7h 48m

Ontario

Sat 9/27

1:15 pm-10:18 pm

1 stop6h 03m

$365

Flights are sorted by cheapest round-trip flights 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 cheapest month to fly to Ontario?

In general, July 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 $229. If you aren’t able to travel during the month of July, then book flights to Ontario from Indianapolis during August instead. Flights to Ontario in August, while not as cheap as those in July, still average around $310.

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

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $355. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Indianapolis to Ontario for around $711.

What is the cheapest time of day to depart on your flight to Ontario?

At noon is the cheapest time of day to fly from Indianapolis to Ontario when you can find flight prices for as low as $353. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $428 on average. Flights to Ontario from Indianapolis in the afternoon 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 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 $395 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 $182 on momondo.

How have Indianapolis to Ontario flight prices changed over time?

As of August 2025, prices for Indianapolis to Ontario flights are approximately 18% cheaper 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

Best Price Found

$118

Fastest flight time

5h 51m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Indianapolis in the past 72 hours is $118. The best round-trip flight deal from Indianapolis to Ontario found on momondo in the last 72 hours is $238.
The fastest flight from Indianapolis to Ontario takes 5h 51m
There are no direct flights from Indianapolis to Ontario. Popular non-direct route for this connection is Indianapolis Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)
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  • How far is Indianapolis to Ontario by plane?

    There are 1772.8 mi between Indianapolis and Ontario. 5h 51m 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 $148Free CancellationRating
5.8
3,241 reviews
Search Frontier flights
DeltaPriceFrom $274Free CancellationRating
8.0
7,983 reviews
Search Delta flights
United AirlinesPriceFrom $324Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights
SouthwestPriceFrom $330Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $331Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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

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