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Cheap flights from Indianapolis to Los Angeles from $73

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 3/2. 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

Enter your travel dates to find the best prices.
Frontier Logo
4:30 pm - 12:20 am
IND
-
ONT
10h 50m1 stop
Frontier Logo
6:05 am - 8:07 pm
ONT
-
IND
11h 02m1 stop
$144Frontier
Thu, Feb 5 - Thu, Feb 12
Frontier Logo
8:33 pm - 12:01 am
IND
-
ONT
6h 28m1 stop
Frontier Logo
6:15 am - 7:38 pm
ONT
-
IND
10h 23m1 stop
$150Frontier
Wed, Mar 11 - Sat, Mar 14
Frontier Logo
8:33 pm - 12:01 am
IND
-
ONT
6h 28m1 stop
Frontier Logo
6:15 am - 7:38 pm
ONT
-
IND
10h 23m1 stop
$151Frontier
Sat, Mar 21 - Sat, Mar 28
Frontier Logo
10:05 am - 2:30 pm
IND
-
ONT
7h 25m1 stop
Frontier Logo
6:05 am - 7:57 pm
ONT
-
IND
10h 52m1 stop
$163Frontier
Mon, Feb 23 - Thu, Feb 26
Frontier Logo
4:30 pm - 12:20 am
IND
-
ONT
10h 50m1 stop
Frontier Logo
6:20 am - 3:35 pm
ONT
-
IND
6h 15m1 stop
$177Frontier
Sun, Feb 1 - Thu, Feb 5
Frontier Logo
4:30 pm - 12:20 am
IND
-
ONT
10h 50m1 stop
Frontier Logo
6:20 am - 3:35 pm
ONT
-
IND
6h 15m1 stop
$180Frontier
Thu, Jan 29 - Thu, Feb 5
Frontier Logo
4:30 pm - 12:20 am
IND
-
ONT
10h 50m1 stop
Frontier Logo
2:08 pm - 8:02 pm
ONT
-
IND
26h 54m1 stop
$181Frontier
Thu, Feb 5 - Thu, Feb 12
Frontier Logo
8:33 pm - 11:59 pm
IND
-
ONT
6h 26m1 stop
Frontier Logo
6:15 am - 7:38 pm
ONT
-
IND
10h 23m1 stop
$185Frontier
Thu, Mar 19 - Wed, Mar 25
Frontier Logo
4:30 pm - 12:20 am
IND
-
ONT
10h 50m1 stop
Frontier Logo
6:20 am - 3:35 pm
ONT
-
IND
6h 15m1 stop
$190Frontier
Thu, Jan 22 - Sun, Jan 25
Frontier Logo
10:05 am - 11:59 pm
IND
-
ONT
16h 54m2 stops
Frontier Logo
2:08 pm - 7:47 pm
ONT
-
IND
26h 39m1 stop
$192Frontier
Mon, Feb 23 - Thu, Feb 26

Delta flights from Indianapolis to Ontario

Our best Delta deals on Indianapolis to Ontario flight tickets
Delta
Jan 27
IND6:35 amIndianapolis
8h 41m
1 stop
ONT12:16 pmOntario
Feb 2
ONT10:30 pmOntario
7h 29m
1 stop
IND8:59 amIndianapolis
$277
Delta
Jan 29
IND6:13 amIndianapolis
10h 43m
2 stops
ONT1:56 pmOntario
Feb 5
ONT7:30 amOntario
12h 36m
2 stops
IND11:06 pmIndianapolis
$282
Delta
Jan 30
IND6:35 amIndianapolis
8h 41m
1 stop
ONT12:16 pmOntario
Feb 2
ONT10:30 pmOntario
7h 29m
1 stop
IND8:59 amIndianapolis
$285

American Airlines flights from Indianapolis to Ontario

Our best American Airlines deals on Indianapolis to Ontario flight tickets
American Airlines
Mar 31
IND4:52 pmIndianapolis
8h 15m
1 stop
ONT10:07 pmOntario
Apr 7
ONT10:26 pmOntario
8h 15m
1 stop
IND9:41 amIndianapolis
$219
American Airlines
Feb 5
IND6:34 pmIndianapolis
7h 14m
1 stop
ONT10:48 pmOntario
Feb 10
ONT6:22 amOntario
6h 34m
1 stop
IND3:56 pmIndianapolis
$243
American Airlines
Feb 23
IND1:57 pmIndianapolis
11h 10m
2 stops
ONT10:07 pmOntario
Mar 3
ONT9:53 amOntario
11h 25m
2 stops
IND12:18 amIndianapolis
$254

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 January 8, 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

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Thu 2/5

4:30 pm-12:20 am

1 stop10h 50m

Ontario

Thu 2/12

6:05 am-8:07 pm

1 stop11h 02m

$144

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Wed 3/11

8:33 pm-12:01 am

1 stop6h 28m

Ontario

Sat 3/14

6:15 am-7:38 pm

1 stop10h 23m

$150

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Sat 3/21

8:33 pm-12:01 am

1 stop6h 28m

Ontario

Sat 3/28

6:15 am-7:38 pm

1 stop10h 23m

$151

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Mon 2/23

10:05 am-2:30 pm

1 stop7h 25m

Ontario

Thu 2/26

6:05 am-7:57 pm

1 stop10h 52m

$163

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Sun 2/1

4:30 pm-12:20 am

1 stop10h 50m

Ontario

Thu 2/5

6:20 am-3:35 pm

1 stop6h 15m

$177

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Thu 1/29

4:30 pm-12:20 am

1 stop10h 50m

Ontario

Thu 2/5

6:20 am-3:35 pm

1 stop6h 15m

$180

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Thu 2/5

4:30 pm-12:20 am

1 stop10h 50m

Ontario

Thu 2/12

2:08 pm-8:02 pm

1 stop26h 54m

$181

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Thu 3/19

8:33 pm-11:59 pm

1 stop6h 26m

Ontario

Wed 3/25

6:15 am-7:38 pm

1 stop10h 23m

$185

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Thu 1/22

4:30 pm-12:20 am

1 stop10h 50m

Ontario

Sun 1/25

6:20 am-3:35 pm

1 stop6h 15m

$190

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Mon 2/23

10:05 am-11:59 pm

2 stops16h 54m

Ontario

Thu 2/26

2:08 pm-7:47 pm

1 stop26h 39m

$192

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 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 October instead. Flights to Ontario in October, while not as cheap as those in July, still average around $335.

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 $318 on momondo.

How have Indianapolis to Ontario flight prices changed over time?

As of January 2026, prices for Indianapolis to Ontario flights are approximately 20% 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

Fastest flight time

6h 07m

Direct flights

None
The fastest flight from Indianapolis to Ontario takes 6h 07m
There are no direct flights from Indianapolis to Ontario. There are no popular flight routes from Indianapolis to Ontario.
Search flight deals

  • How far is Indianapolis to Ontario by plane?

    There are 1772.8 mi between Indianapolis and Ontario. 6h 07m 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
5.7
3,062 reviews
Search Frontier flights
DeltaPriceFrom $183Free CancellationRating
7.9
8,025 reviews
Search Delta flights
United AirlinesPriceFrom $271Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
SouthwestPriceFrom $319Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
American AirlinesPriceFrom $324Free CancellationRating
7.2
11,095 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

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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