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

Frontier is the most popular carrier operating from Indiana to Ontario

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 50% 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.

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

As of October 2025, 11 flights take off from Indiana and land in Ontario each week. The most common flight departure day for this route is Thu, with 27% of weekly flights taking off on this day.

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 29m on average, while flying from Fort Wayne to Los Angeles is 6h 42m on average. Los Angeles is the most popular airport in 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 October 2025, 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.

$79 Cheap Flights from Indiana to Ontario in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 11:10 amORD-ONT

7h 10m1 stop

1:46 pm - 11:44 pmONT-ORD

7h 58m1 stop

$153Frontier

Find Deal

lun., nov. 17 - lun., nov. 17

7:15 am - 11:10 amORD-ONT

5h 55m1 stop

4:05 pm - 12:15 amONT-ORD

6h 10m1 stop

$156Frontier

Find Deal

sáb., nov. 1 - lun., nov. 3

6:05 pm - 9:27 pmORD-ONT

29h 22m1 stop

8:00 am - 5:32 amONT-ORD

19h 32m1 stop

$202Multiple Airlines

Find Deal

mar., nov. 4 - mié., nov. 12

8:30 pm - 9:04 pmORD-ONT

26h 34m1 stop

11:52 am - 12:12 amONT-ORD

10h 20m1 stop

$204Multiple Airlines

Find Deal

mar., dic. 16 - mié., dic. 24

9:44 am - 1:43 pmSDF-ONT

6h 59m1 stop

12:47 pm - 10:25 pmONT-SDF

6h 38m1 stop

$279American Airlines

Find Deal

mar., oct. 28 - mié., oct. 29

6:00 am - 10:26 amIND-ONT

7h 26m1 stop

10:25 pm - 10:39 amONT-IND

9h 14m1 stop

$281Delta

Find Deal

mar., nov. 4 - mar., nov. 11

4:28 pm - 9:36 pmSDF-ONT

8h 08m1 stop

6:15 am - 8:21 pmONT-SDF

11h 06m2 stops

$284American Airlines

Find Deal

mar., oct. 28 - mié., oct. 29

7:59 pm - 11:58 pmCVG-ONT

6h 59m1 stop

10:25 pm - 8:57 amONT-CVG

7h 32m1 stop

$285Delta

Find Deal

mar., dic. 16 - mié., dic. 17

6:05 am - 9:15 amIND-ONT

6h 10m1 stop

12:35 pm - 11:45 pmONT-IND

8h 10m2 stops

$286Southwest

Find Deal

mié., nov. 5 - mié., nov. 12

1:35 pm - 6:40 pmCVG-ONT

8h 05m1 stop

6:00 am - 3:00 pmONT-CVG

6h 00m1 stop

$322Southwest

Find Deal

jue., dic. 4 - sáb., dic. 13

Frontier flights from Indiana to Ontario

Our best Frontier deals on Indiana to Ontario flight tickets

Frontier

Nov 17

ORD6:00 amChicago O'Hare Intl

7h 10m

1 stop

ONT11:10 amOntario

Nov 17

ONT1:46 pmOntario

7h 58m

1 stop

ORD11:44 pmChicago O'Hare Intl

$153

Find similar

Frontier

Nov 1

ORD7:15 amChicago O'Hare Intl

5h 55m

1 stop

ONT11:10 amOntario

Nov 3

ONT4:05 pmOntario

6h 10m

1 stop

ORD12:15 amChicago O'Hare Intl

$156

Find similar

Frontier

Nov 14

ORD1:36 pmChicago O'Hare Intl

7h 13m

1 stop

ONT6:49 pmOntario

Nov 16

ONT1:46 pmOntario

7h 58m

1 stop

ORD11:44 pmChicago O'Hare Intl

$157

Find similar

American Airlines flights from Indiana to Ontario

Our best American Airlines deals on Indiana to Ontario flight tickets

American Airlines

Oct 28

SDF9:44 amLouisville Intl

6h 59m

1 stop

ONT1:43 pmOntario

Oct 29

ONT12:47 pmOntario

6h 38m

1 stop

SDF10:25 pmLouisville Intl

$279

Find similar

American Airlines

Oct 28

SDF4:28 pmLouisville Intl

8h 08m

1 stop

ONT9:36 pmOntario

Oct 29

ONT6:15 amOntario

11h 06m

2 stops

SDF8:21 pmLouisville Intl

$284

Find similar

American Airlines

Oct 28

SDF8:18 amLouisville Intl

10h 06m

2 stops

ONT3:24 pmOntario

Oct 29

ONT10:09 amOntario

10h 15m

2 stops

SDF11:24 pmLouisville Intl

$289

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

lun. 11/17

6:00 am-11:10 am

1 stop7h 10m

Ontario

lun. 11/17

1:46 pm-11:44 pm

1 stop7h 58m

$153

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

sáb. 11/1

7:15 am-11:10 am

1 stop5h 55m

Ontario

lun. 11/3

4:05 pm-12:15 am

1 stop6h 10m

$156

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

mar. 11/4

6:05 pm-9:27 pm

1 stop29h 22m

Ontario

mié. 11/12

8:00 am-5:32 am

1 stop19h 32m

$202

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

mar. 12/16

8:30 pm-9:04 pm

1 stop26h 34m

Ontario

mié. 12/24

11:52 am-12:12 am

1 stop10h 20m

$204

LouisvilleOntario

SDF - ONT

SDFONT

Louisville Intl

mar. 10/28

9:44 am-1:43 pm

1 stop6h 59m

Ontario

mié. 10/29

12:47 pm-10:25 pm

1 stop6h 38m

$279

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

mar. 11/4

6:00 am-10:26 am

1 stop7h 26m

Ontario

mar. 11/11

10:25 pm-10:39 am

1 stop9h 14m

$281

LouisvilleOntario

SDF - ONT

SDFONT

Louisville Intl

mar. 10/28

4:28 pm-9:36 pm

1 stop8h 08m

Ontario

mié. 10/29

6:15 am-8:21 pm

2 stops11h 06m

$284

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

mar. 12/16

7:59 pm-11:58 pm

1 stop6h 59m

Ontario

mié. 12/17

10:25 pm-8:57 am

1 stop7h 32m

$285

IndianapolisOntario

IND - ONT

INDONT

Indianapolis

mié. 11/5

6:05 am-9:15 am

1 stop6h 10m

Ontario

mié. 11/12

12:35 pm-11:45 pm

2 stops8h 10m

$286

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

jue. 12/4

1:35 pm-6:40 pm

1 stop8h 05m

Ontario

sáb. 12/13

6:00 am-3:00 pm

1 stop6h 00m

$322

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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

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What is the cheapest month to fly to Ontario?

In general, July 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 $229. If you aren’t able to travel during the month of July, then book flights to Ontario from Indiana 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 Indiana 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 Indiana 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 Indiana 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 Indiana 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 Indiana for as low as $330 on momondo.

Can stopping save me money on Indiana to Ontario flights?

You could potentially save up to 48% on your flight if you consider stops on a Indiana to Ontario flight.

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 15m
Direct flights	Every day
Airports in Ontario	1 airport

The fastest flight from Indiana to Ontario takes 4h 15m

Direct flights go from Indiana to Ontario every day.

There is 1 airport near Ontario: Ontario (ONT)

Search flight deals

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 October 2025, 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 5.8 3,155 reviews	Search Frontier flights
Delta	PriceFrom $183	Free Cancellation	Rating 7.9 7,962 reviews	Search Delta flights
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $271	Free Cancellation	Rating 7.4 8,933 reviews	Search United Airlines flights
Southwest	PriceFrom $320	Free Cancellation	Rating 8.0 4,248 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.

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

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Cheap flights from Indiana to Los Angeles from $79

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 10/23. 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

Our best Frontier deals on Indiana to Ontario flight tickets

American Airlines flights from Indiana to Ontario

Our best American Airlines deals on Indiana to Ontario flight tickets

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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

What is the cheapest month to fly to Ontario?

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

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

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

Can stopping save me money on Indiana to Ontario flights?

You could potentially save up to 48% on your flight if you consider stops on a Indiana to Ontario flight.

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

Frontier is the most popular carrier operating from Indiana to Ontario

What airlines fly to Ontario?

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

As of October 2025, 11 flights take off from Indiana and land in Ontario each week. The most common flight departure day for this route is Thu, with 27% of weekly flights taking off on this day.

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 29m on average, while flying from Fort Wayne to Los Angeles is 6h 42m on average. Los Angeles is the most popular airport in Ontario.

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

Direct flights

Airports in Ontario

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

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

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

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

Best airlines flying from Indiana to Ontario

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

Why use momondo?

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

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

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

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

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

Airports servicing California