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

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

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

As of August 2025, 8 flights take off from Indiana and land in Ontario each week. The most common flight departure day for this route is Wed, with 25% 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 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 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 37m 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 August 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.

$74 Cheap Flights from Indiana to Ontario in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Indiana to Los Angeles

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:00 am - 7:54 pmORD-ONT

15h 54m1 stop

8:59 pm - 9:28 pmONT-ORD

22h 29m1 stop

$148Frontier

Find Deal

Thu, Sep 18 - Mon, Sep 22

8:25 am - 7:54 pmORD-ONT

13h 29m1 stop

8:59 pm - 9:37 amONT-ORD

10h 38m1 stop

$149Frontier

Find Deal

Sat, Sep 13 - Sat, Sep 20

7:09 pm - 11:38 amORD-ONT

18h 29m2 stops

8:00 am - 9:32 pmONT-ORD

11h 32m1 stop

$184

Find Deal

Wed, Sep 10 - Wed, Sep 17

7:09 pm - 11:38 amORD-ONT

18h 29m2 stops

8:00 am - 6:51 pmONT-ORD

8h 51m1 stop

$185

Find Deal

Wed, Sep 3 - Tue, Sep 9

6:20 am - 2:12 pmORD-ONT

9h 52m1 stop

11:39 am - 10:07 pmONT-ORD

8h 28m1 stop

$203Alaska Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 16

12:33 pm - 9:24 pmORD-ONT

10h 51m1 stop

6:10 am - 3:18 pmONT-ORD

7h 08m1 stop

$210American Airlines

Find Deal

Thu, Sep 4 - Sat, Sep 6

7:59 pm - 10:30 pmORD-ONT

4h 31mnonstop

1:15 pm - 10:42 pmONT-ORD

7h 27m1 stop

$217United Airlines

Find Deal

Wed, Sep 3 - Tue, Sep 9

5:31 pm - 10:33 pmSBN-ONT

8h 02m1 stop

11:59 pm - 12:04 pmONT-SBN

9h 05m1 stop

$277American Airlines

Find Deal

Wed, Sep 24 - Sun, Sep 28

6:49 pm - 12:03 amCVG-ONT

8h 14m1 stop

6:00 am - 5:49 pmONT-CVG

8h 49m1 stop

$283Alaska Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

7:15 am - 5:29 pmFWA-ONT

13h 14m2 stops

6:04 am - 10:26 pmONT-FWA

13h 22m2 stops

$349United Airlines

Find Deal

Wed, Aug 27 - Sun, Aug 31

American Airlines flights from Indiana to Ontario

Our best American Airlines deals on Indiana to Ontario flight tickets

American Airlines

Sep 4

ORD12:33 pmChicago O'Hare Intl

10h 51m

1 stop

ONT9:24 pmOntario

Sep 6

ONT6:10 amOntario

7h 08m

1 stop

ORD3:18 pmChicago O'Hare Intl

$210

Find similar

American Airlines

Sep 24

SBN5:31 pmSouth Bend/Michiana

8h 02m

1 stop

ONT10:33 pmOntario

Sep 28

ONT11:59 pmOntario

9h 05m

1 stop

SBN12:04 pmSouth Bend/Michiana

$277

Find similar

American Airlines

Sep 13

SBN12:34 pmSouth Bend/Michiana

8h 42m

2 stops

ONT6:16 pmOntario

Sep 14

ONT11:59 pmOntario

9h 05m

1 stop

SBN12:04 pmSouth Bend/Michiana

$282

Find similar

Alaska Airlines flights from Indiana to Ontario

Our best Alaska Airlines deals on Indiana to Ontario flight tickets

Alaska Airlines

Sep 9

ORD6:20 amChicago O'Hare Intl

9h 52m

1 stop

ONT2:12 pmOntario

Sep 16

ONT11:39 amOntario

8h 28m

1 stop

ORD10:07 pmChicago O'Hare Intl

$203

Find similar

Alaska Airlines

Oct 14

CVG6:49 pmCincinnati Cinci./N. Kentucky

8h 14m

1 stop

ONT12:03 amOntario

Oct 21

ONT6:00 amOntario

8h 49m

1 stop

CVG5:49 pmCincinnati Cinci./N. Kentucky

$283

Find similar

Alaska Airlines

Aug 26

SDF6:44 amLouisville Intl

14h 44m

2 stops

ONT6:28 pmOntario

Aug 31

ONT6:00 amOntario

14h 02m

2 stops

SDF11:02 pmLouisville Intl

$792

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Thu 9/18

6:00 am-7:54 pm

1 stop15h 54m

Ontario

Mon 9/22

8:59 pm-9:28 pm

1 stop22h 29m

$148

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Sat 9/13

8:25 am-7:54 pm

1 stop13h 29m

Ontario

Sat 9/20

8:59 pm-9:37 am

1 stop10h 38m

$149

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 9/10

7:09 pm-11:38 am

2 stops18h 29m

Ontario

Wed 9/17

8:00 am-9:32 pm

1 stop11h 32m

$184

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 9/3

7:09 pm-11:38 am

2 stops18h 29m

Ontario

Tue 9/9

8:00 am-6:51 pm

1 stop8h 51m

$185

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Tue 9/9

6:20 am-2:12 pm

1 stop9h 52m

Ontario

Tue 9/16

11:39 am-10:07 pm

1 stop8h 28m

$203

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Thu 9/4

12:33 pm-9:24 pm

1 stop10h 51m

Ontario

Sat 9/6

6:10 am-3:18 pm

1 stop7h 08m

$210

ChicagoOntario

ORD - ONT

ORDONT

Chicago O'Hare Intl

Wed 9/3

7:59 pm-10:30 pm

Nonstop4h 31m

Ontario

Tue 9/9

1:15 pm-10:42 pm

1 stop7h 27m

$217

South BendOntario

SBN - ONT

SBNONT

South Bend/Michiana

Wed 9/24

5:31 pm-10:33 pm

1 stop8h 02m

Ontario

Sun 9/28

11:59 pm-12:04 pm

1 stop9h 05m

$277

CincinnatiOntario

CVG - ONT

CVGONT

Cincinnati Cinci./N. Kentucky

Tue 10/14

6:49 pm-12:03 am

1 stop8h 14m

Ontario

Tue 10/21

6:00 am-5:49 pm

1 stop8h 49m

$283

Fort WayneOntario

FWA - ONT

FWAONT

Fort Wayne

Wed 8/27

7:15 am-5:29 pm

2 stops13h 14m

Ontario

Sun 8/31

6:04 am-10:26 pm

2 stops13h 22m

$349

Flights are sorted by cheapest round-trip flights first.

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, 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 $402 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 65% 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

Best Price Found	$74
Fastest flight time	4h 10m
Direct flights	Every day
Airports in Ontario	1 airport

The best one-way flight to Ontario from Indiana in the past 72 hours is $74. The best round-trip flight deal from Indiana to Ontario found on momondo in the last 72 hours is $148.

The fastest flight from Indiana to Ontario takes 4h 10m

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 August 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 $148	Free Cancellation	Rating 5.8 3,219 reviews	Search Frontier flights
Delta	PriceFrom $230	Free Cancellation	Rating 8.0 7,980 reviews	Search Delta flights
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $320	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights
United Airlines	PriceFrom $324	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines 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

Find my bookings

Get notified when prices go down

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

1 adult

Tue 8/19

Tue 8/26

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing California

Popular cities in the United States

Flights to New Yorkfrom $58

Flights to Los Angelesfrom $46

Flights to Miamifrom $61

Flights to Chicagofrom $45

Flights to Orlandofrom $45

Flights to Las Vegasfrom $17

Flights to San Franciscofrom $59

Flights to Washington, D.C.from $58

Flights to Bostonfrom $76

Flights to Atlantafrom $48

Flights to Dallasfrom $57

Flights to Seattlefrom $71

Cheap flights from Indiana to Los Angeles from $74

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 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Indiana to Los Angeles

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

American Airlines flights from Indiana to Ontario

Our best American Airlines deals on Indiana to Ontario flight tickets

Alaska Airlines flights from Indiana to Ontario

Our best Alaska Airlines deals on Indiana to Ontario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Indiana to Ontario that are best for you.

See travel insights to Los Angeles from

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 65% 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, American Airlines, and Southwest are the most popular carriers operating from Indiana to Ontario

What airlines fly to Ontario?

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

As of August 2025, 8 flights take off from Indiana and land in Ontario each week. The most common flight departure day for this route is Wed, with 25% 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 20m on average, while flying from Evansville to Los Angeles is 6h 37m 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

Best Price Found

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