What is the cheapest airline that flies from Indiana to Ontario?

Frontier, Southwest, and American Airlines are the most popular carriers operating from Indiana to Ontario

How long does it take to fly to Ontario?

Average flight duration from Indiana to Ontario depends on which airport you fly into and out of. Flying from Indianapolis to Los Angeles is 4h 20m on average, while flying from Evansville to Los Angeles is 6h 14m on average. Los Angeles is the most popular airport in Ontario.

How many flights depart from Indiana to Ontario on average per week?

As of July 2026, 18 flights take off from Indiana and land in Ontario each week. The most common flight departure day for this route is Mon, with 22% of weekly flights taking off on this day.

What airlines fly to Ontario?

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Ontario from Indiana according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 8 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Indiana to Ontario Airport are updated daily.

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

As of July 2026, there are 5 operators available to choose from for flights from Indiana to Ontario Airport.

How old do you have to be to fly from Indiana to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Indiana 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.

$95 Cheap Flights from Indiana to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Indiana to Los Angeles

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:41 pm - 11:50 pm

ORD

ONT

11h 09m

1 stop

6:00 am - 9:35 pm

ONT

ORD

13h 35m

1 stop

$190Frontier

Tue, Aug 25 - Tue, Oct 6

2:41 pm - 11:50 pm

ORD

ONT

11h 09m

1 stop

7:56 pm - 1:36 pm

ONT

ORD

15h 40m

1 stop

$192Frontier

Tue, Aug 18 - Tue, Aug 25

2:00 pm - 4:10 pm

MDW

ONT

4h 10mnonstop

11:55 pm - 5:45 am

ONT

MDW

3h 50mnonstop

$239Southwest

Thu, Aug 20 - Sat, Aug 29

2:00 pm - 4:10 pm

MDW

ONT

4h 10mnonstop

8:45 am - 7:20 pm

ONT

MDW

8h 35m

1 stop

$249Southwest

Thu, Aug 20 - Sat, Aug 29

12:46 pm - 6:30 pm

MDW

ONT

7h 44m

1 stop

12:00 pm - 10:36 pm

ONT

MDW

8h 36m

1 stop

$259Delta

Thu, Aug 20 - Tue, Sep 1

8:53 pm - 10:04 am

IND

ONT

16h 11m

1 stop

8:58 am - 11:27 pm

ONT

IND

35h 29m

2 stops

$272Multiple Airlines

Sat, Aug 8 - Wed, Aug 12

1:17 pm - 6:30 pm

SDF

ONT

8h 13m

1 stop

12:00 pm - 10:08 pm

ONT

SDF

7h 08m

1 stop

$289Delta

Mon, Aug 10 - Thu, Aug 13

7:03 am - 11:43 am

SDF

ONT

7h 40m

1 stop

6:00 am - 6:18 pm

ONT

SDF

9h 18m

1 stop

$339American Airlines

Sat, Aug 8 - Tue, Aug 11

6:52 pm - 10:59 pm

FWA

ONT

7h 07m

1 stop

7:55 pm - 10:17 am

ONT

FWA

11h 22m

2 stops

$354American Airlines

Wed, Aug 12 - Sun, Aug 16

10:30 pm - 8:03 am

FWA

ONT

12h 33m

1 stop

11:47 am - 9:40 pm

ONT

FWA

6h 53m

1 stop

$356Multiple Airlines

Sun, Aug 9 - Thu, Aug 13

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Frontier flights from Indiana to Ontario

Our best Frontier deals on Indiana to Ontario flight tickets

Frontier

Aug 25

ORD2:41 pmChicago O'Hare Intl

11h 09m

1 stop

ONT11:50 pmOntario

Oct 6

ONT6:00 amOntario

13h 35m

1 stop

ORD9:35 pmChicago O'Hare Intl

$190

Frontier

Aug 18

ORD2:41 pmChicago O'Hare Intl

11h 09m

1 stop

ONT11:50 pmOntario

Aug 25

ONT7:56 pmOntario

15h 40m

1 stop

ORD1:36 pmChicago O'Hare Intl

$192

Frontier

Aug 18

ORD2:41 pmChicago O'Hare Intl

21h 23m

1 stop

ONT10:04 amOntario

Aug 25

ONT7:56 pmOntario

15h 40m

1 stop

ORD1:36 pmChicago O'Hare Intl

$193

Southwest flights from Indiana to Ontario

Our best Southwest deals on Indiana to Ontario flight tickets

Southwest

Aug 20

MDW2:00 pmChicago Midway

4h 10m

ONT4:10 pmOntario

Aug 29

ONT11:55 pmOntario

3h 50m

MDW5:45 amChicago Midway

$239

Southwest

Aug 20

MDW2:00 pmChicago Midway

4h 10m

ONT4:10 pmOntario

Aug 29

ONT8:45 amOntario

8h 35m

1 stop

MDW7:20 pmChicago Midway

$249

Southwest

Aug 20

MDW8:00 amChicago Midway

9h 05m

2 stops

ONT3:05 pmOntario

Aug 29

ONT11:55 pmOntario

3h 50m

MDW5:45 amChicago Midway

$254

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 8/25

2:41 pm-11:50 pm

1 stop11h 09m

Ontario

Tue 10/6

6:00 am-9:35 pm

1 stop13h 35m

$190

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 8/18

2:41 pm-11:50 pm

1 stop11h 09m

Ontario

Tue 8/25

7:56 pm-1:36 pm

1 stop15h 40m

$192

Quickest round-trip

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Thu 8/20

2:00 pm-4:10 pm

Nonstop4h 10m

Ontario

Sat 8/29

11:55 pm-5:45 am

Nonstop3h 50m

$239

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Thu 8/20

2:00 pm-4:10 pm

Nonstop4h 10m

Ontario

Sat 8/29

8:45 am-7:20 pm

1 stop8h 35m

$249

ChicagoOntario

MDW - ONT

MDWONT

Chicago Midway

Thu 8/20

12:46 pm-6:30 pm

1 stop7h 44m

Ontario

Tue 9/1

12:00 pm-10:36 pm

1 stop8h 36m

$259

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

LouisvilleOntario

SDF - ONT

SDFONT

Louisville Intl

Mon 8/10

1:17 pm-6:30 pm

1 stop8h 13m

Ontario

Thu 8/13

12:00 pm-10:08 pm

1 stop7h 08m

$289

LouisvilleOntario

SDF - ONT

SDFONT

Louisville Intl

Sat 8/8

7:03 am-11:43 am

1 stop7h 40m

Ontario

Tue 8/11

6:00 am-6:18 pm

1 stop9h 18m

$339

Fort WayneOntario

FWA - ONT

FWAONT

Fort Wayne

Wed 8/12

6:52 pm-10:59 pm

1 stop7h 07m

Ontario

Sun 8/16

7:55 pm-10:17 am

2 stops11h 22m

$354

Fort WayneOntario

FWA - ONT

FWAONT

Fort Wayne

Sun 8/9

10:30 pm-8:03 am

1 stop12h 33m

Ontario

Thu 8/13

11:47 am-9:40 pm

1 stop6h 53m

$356

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Indiana 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

Prices

Airlines

Other information

What is the cheapest month to fly to Ontario?

In general, October is the cheapest month to fly from Indiana to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $378. If you aren’t able to travel during the month of October, then book flights to Ontario from Indiana during May instead. Flights to Ontario in May, while not as cheap as those in October, still average around $387.

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

You are more likely to see cheaper flights to Ontario from Indiana 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 Indiana for as low as $344 on momondo.

Cheap Indiana to Ontario flight deals and tips

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

Fastest flight time	4h 05m
Direct flights	Every day
Airports in Ontario	1 airport

The fastest flight from Indiana to Ontario takes 4h 05m

Direct flights go from Indiana to Ontario every day.

There is 1 airport in Ontario. From Indiana there are direct flights to Ontario (ONT).

Search flight deals

Frequently asked questions about flying from Indiana to Ontario

When did momondo last update prices for flights from Indiana to Ontario Airport?
Prices for flights from Indiana to Ontario Airport are updated daily.
How many operators does momondo search for flights from Indiana to Ontario Airport?
As of July 2026, there are 5 operators available to choose from for flights from Indiana to Ontario Airport.
How old do you have to be to fly from Indiana to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Indiana 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.

Best airlines flying from Indiana to Ontario

Compare and see reviews for airlines that fly from Indiana to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $150	Free Cancellation	Rating 5.6 2,788 reviews	Search Frontier flights
Delta	PriceFrom $166	Free Cancellation	Rating 7.8 8,488 reviews	Search Delta flights
United Airlines	PriceFrom $244	Free Cancellation	Rating 7.4 10,009 reviews	Search United Airlines flights
American Airlines	PriceFrom $292	Free Cancellation	Rating 7.1 11,828 reviews	Search American Airlines flights
Southwest	PriceFrom $316	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Indiana to Ontario for you.

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

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

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

Once all potential Indiana to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Ontario from Indiana. 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.

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Cheap flights from Indiana to Los Angeles from $95

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indiana to Los Angeles departing on 8/11. 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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Frontier flights from Indiana to Ontario

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How to get the cheapest flight ticket from Indiana to Ontario

What is the cheapest month to fly to Ontario?

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

What is the cheapest airline that flies from Indiana to Ontario?

What airlines fly to Ontario?

How many flights depart from Indiana to Ontario on average per week?

How long does it take to fly to Ontario?

Cheap Indiana to Ontario flight deals and tips

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Direct flights

Airports in Ontario

Frequently asked questions about flying from Indiana to Ontario

Best airlines flying from Indiana to Ontario

Compare and see reviews for airlines that fly from Indiana to Ontario with momondo

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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Fly your favorite airline to Los Angeles

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