Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Indianapolis to Los Angeles from $90

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 10/22. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Indianapolis to Los Angeles

Cheap round-trip flights

Frontier Logo
8:39 pm - 11:50 pmIND-ONT
6h 11m1 stop
Frontier Logo
6:53 am - 3:35 pmONT-IND
5h 42m1 stop
$150Frontier
Find Deal
Fri, Oct 31 - Sat, Nov 1
Frontier Logo
5:24 pm - 11:50 pmIND-ONT
9h 26m1 stop
Frontier Logo
6:53 am - 4:29 pmONT-IND
6h 36m1 stop
$151Frontier
Find Deal
Wed, Oct 15 - Wed, Oct 22
Frontier Logo
8:54 pm - 7:53 amIND-ONT
13h 59m1 stop
Frontier Logo
8:59 pm - 8:04 pmONT-IND
20h 05m1 stop
$177Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
Frontier Logo
5:24 pm - 9:35 amIND-ONT
19h 11m1 stop
Frontier Logo
6:53 am - 4:29 pmONT-IND
6h 36m1 stop
$182Frontier
Find Deal
Wed, Oct 8 - Wed, Oct 15
Multiple Airlines Logo
6:40 pm - 7:29 amIND-ONT
15h 49m1 stop
Multiple Airlines Logo
12:05 pm - 12:33 pmONT-IND
21h 28m2 stops
$258Multiple Airlines
Find Deal
Sun, Nov 2 - Sat, Nov 8
Multiple Airlines Logo
3:33 pm - 11:50 pmIND-ONT
11h 17m2 stops
Multiple Airlines Logo
6:05 am - 5:25 pmONT-IND
8h 20m1 stop
$273Multiple Airlines
Find Deal
Thu, Oct 23 - Mon, Oct 27
American Airlines Logo
1:05 pm - 7:41 pmIND-ONT
9h 36m1 stop
American Airlines Logo
12:55 pm - 10:47 pmONT-IND
6h 52m1 stop
$293American Airlines
Find Deal
Tue, Nov 4 - Thu, Nov 6
Southwest Logo
9:35 am - 3:15 pmIND-ONT
8h 40m1 stop
Southwest Logo
10:50 am - 12:35 amONT-IND
10h 45m1 stop
$298Southwest
Find Deal
Wed, Oct 29 - Sun, Nov 9
American Airlines Logo
8:37 am - 4:01 pmIND-ONT
10h 24m2 stops
American Airlines Logo
9:59 am - 10:04 pmONT-IND
9h 05m2 stops
$303American Airlines
Find Deal
Tue, Dec 9 - Sat, Dec 13
Delta Logo
12:18 pm - 9:20 pmIND-ONT
12h 02m2 stops
Delta Logo
6:00 am - 7:01 pmONT-IND
10h 01m2 stops
$336Delta
Find Deal
Wed, Oct 29 - Sun, Nov 9

Frontier flights from Indianapolis to Ontario

Our best Frontier deals on Indianapolis to Ontario flight tickets
Frontier
Oct 31
IND8:39 pmIndianapolis
6h 11m
1 stop
ONT11:50 pmOntario
Nov 1
ONT6:53 amOntario
5h 42m
1 stop
IND3:35 pmIndianapolis
$150
Find similar
Frontier
Oct 15
IND5:24 pmIndianapolis
9h 26m
1 stop
ONT11:50 pmOntario
Oct 22
ONT6:53 amOntario
6h 36m
1 stop
IND4:29 pmIndianapolis
$151
Find similar
Frontier
Oct 2
IND8:54 pmIndianapolis
13h 59m
1 stop
ONT7:53 amOntario
Oct 5
ONT8:59 pmOntario
20h 05m
1 stop
IND8:04 pmIndianapolis
$177
Find similar

Delta flights from Indianapolis to Ontario

Our best Delta deals on Indianapolis to Ontario flight tickets
Delta
Oct 29
IND12:18 pmIndianapolis
12h 02m
2 stops
ONT9:20 pmOntario
Nov 9
ONT6:00 amOntario
10h 01m
2 stops
IND7:01 pmIndianapolis
$336
Find similar
Delta
Sep 30
IND7:05 amIndianapolis
6h 37m
1 stop
ONT10:42 amOntario
Oct 7
ONT1:15 pmOntario
6h 38m
1 stop
IND10:53 pmIndianapolis
$369
Find similar
Delta
Sep 30
IND4:40 pmIndianapolis
8h 43m
1 stop
ONT10:23 pmOntario
Oct 8
ONT10:00 pmOntario
7h 55m
1 stop
IND8:55 amIndianapolis
$398
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 September 19, 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

Fri 10/31

8:39 pm-11:50 pm

1 stop6h 11m

Ontario

Sat 11/1

6:53 am-3:35 pm

1 stop5h 42m

$150

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Wed 10/15

5:24 pm-11:50 pm

1 stop9h 26m

Ontario

Wed 10/22

6:53 am-4:29 pm

1 stop6h 36m

$151

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Thu 10/2

8:54 pm-7:53 am

1 stop13h 59m

Ontario

Sun 10/5

8:59 pm-8:04 pm

1 stop20h 05m

$177

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Wed 10/8

5:24 pm-9:35 am

1 stop19h 11m

Ontario

Wed 10/15

6:53 am-4:29 pm

1 stop6h 36m

$182

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Sun 11/2

6:40 pm-7:29 am

1 stop15h 49m

Ontario

Sat 11/8

12:05 pm-12:33 pm

2 stops21h 28m

$258

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Thu 10/23

3:33 pm-11:50 pm

2 stops11h 17m

Ontario

Mon 10/27

6:05 am-5:25 pm

1 stop8h 20m

$273

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Tue 11/4

1:05 pm-7:41 pm

1 stop9h 36m

Ontario

Thu 11/6

12:55 pm-10:47 pm

1 stop6h 52m

$293

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Wed 10/29

9:35 am-3:15 pm

1 stop8h 40m

Ontario

Sun 11/9

10:50 am-12:35 am

1 stop10h 45m

$298

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Tue 12/9

8:37 am-4:01 pm

2 stops10h 24m

Ontario

Sat 12/13

9:59 am-10:04 pm

2 stops9h 05m

$303

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

Wed 10/29

12:18 pm-9:20 pm

2 stops12h 02m

Ontario

Sun 11/9

6:00 am-7:01 pm

2 stops10h 01m

$336

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Los Angeles from

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 $360.

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 $409 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 $330 on momondo.

How have Indianapolis to Ontario flight prices changed over time?

As of September 2025, prices for Indianapolis to Ontario flights are approximately 15% 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

Direct flights

None
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. 5h 59m 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 $163Free CancellationRating
5.8
3,171 reviews
Search Frontier flights
DeltaPriceFrom $183Free CancellationRating
7.9
7,964 reviews
Search Delta flights
SouthwestPriceFrom $320Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $324Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $324Free 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

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 10/19
Sun 10/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States