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

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

What airlines fly to Indiana?

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Indiana from Ontario according to our data. American Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Indiana. Keep in mind that there are 9 different airlines that fly to Indiana on a routine basis, so you have a few additional options to choose from.

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

11 flights are operational weekly from Ontario to Indiana as of May 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

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

Prices for flights from Ontario Airport to Indiana were last updated today.

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

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

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

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 Ontario Airport to Indiana.

What documentation or ID do you need to fly to Indiana?

The travel and health documents required for your trip to Indiana can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Indiana. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$59 Cheap Flights from Ontario to Indiana in 2026

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Find the cheapest flights from Ontario to Indiana

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 7:54 pm

ONT

IND

10h 54m

1 stop

8:39 pm - 11:49 pm

IND

ONT

6h 10m

1 stop

$185Frontier

Sun, May 24 - Sat, May 30

6:00 am - 7:54 pm

ONT

IND

10h 54m

1 stop

8:39 pm - 10:05 am

IND

ONT

16h 26m

1 stop

$196Frontier

Sun, May 24 - Mon, Jun 1

6:00 am - 7:20 pm

ONT

ORD

11h 20m

2 stops

7:45 am - 12:19 pm

ORD

ONT

6h 34m

1 stop

$277Delta

Wed, May 27 - Sat, Jun 6

10:00 pm - 1:01 pm

ONT

ORD

13h 01m

2 stops

5:19 pm - 11:34 pm

ORD

ONT

8h 15m

2 stops

$282Delta

Mon, Jun 1 - Wed, Jun 3

5:30 am - 1:10 pm

ONT

MDW

5h 40m

1 stop

5:25 am - 9:15 am

MDW

ONT

5h 50m

1 stop

$283Southwest

Mon, Jun 1 - Tue, Jun 30

1:30 pm - 11:05 pm

ONT

MDW

7h 35m

1 stop

5:25 am - 9:15 am

MDW

ONT

5h 50m

1 stop

$284Southwest

Wed, Jun 24 - Tue, Jun 30

11:59 pm - 10:36 am

ONT

SDF

7h 37m

1 stop

7:48 pm - 11:59 pm

SDF

ONT

7h 11m

1 stop

$341American Airlines

Tue, Jun 9 - Wed, Jun 10

6:10 am - 7:00 pm

ONT

SDF

9h 50m

2 stops

7:48 pm - 11:59 pm

SDF

ONT

7h 11m

1 stop

$346American Airlines

Tue, Jun 9 - Wed, Jun 10

7:00 am - 5:55 pm

ONT

FWA

7h 55m

1 stop

1:41 pm - 6:19 pm

FWA

ONT

7h 38m

1 stop

$449United Airlines

Sat, Aug 29 - Tue, Sep 1

7:00 am - 5:55 pm

ONT

FWA

7h 55m

1 stop

10:30 am - 8:04 pm

FWA

ONT

12h 34m

2 stops

$454United Airlines

Sat, Aug 29 - Tue, Sep 1

Alaska Airlines flights from Ontario to Indiana

Our best Alaska Airlines deals on Ontario to Indiana flight tickets

Alaska Airlines

May 26

ONT7:41 pmOntario

8h 39m

1 stop

ORD6:20 amChicago O'Hare Intl

Jun 2

ORD5:44 pmChicago O'Hare Intl

8h 14m

1 stop

ONT11:58 pmOntario

$324

Alaska Airlines

May 15

ONT4:03 pmOntario

10h 42m

1 stop

IND5:45 amIndianapolis

May 19

IND6:39 pmIndianapolis

8h 19m

1 stop

ONT11:58 pmOntario

$597

Alaska Airlines

May 19

ONT7:41 pmOntario

18h 07m

2 stops

SDF4:48 pmLouisville Intl

May 26

SDF12:20 pmLouisville Intl

14h 36m

2 stops

ONT11:56 pmOntario

$698

Delta flights from Ontario to Indiana

Our best Delta deals on Ontario to Indiana flight tickets

Delta

Jun 1

ONT10:00 pmOntario

13h 01m

2 stops

ORD1:01 pmChicago O'Hare Intl

Jun 3

ORD5:19 pmChicago O'Hare Intl

8h 15m

2 stops

ONT11:34 pmOntario

$282

Delta

May 26

ONT1:35 pmOntario

8h 22m

1 stop

ORD11:57 pmChicago O'Hare Intl

Jun 3

ORD2:11 pmChicago O'Hare Intl

10h 21m

2 stops

ONT10:32 pmOntario

$284

Delta

May 25

ONT9:50 amOntario

7h 00m

1 stop

ORD6:50 pmChicago O'Hare Intl

May 28

ORD7:45 pmChicago O'Hare Intl

5h 49m

1 stop

ONT11:34 pmOntario

$307

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Sun 5/24

6:00 am-7:54 pm

1 stop10h 54m

Indianapolis

Sat 5/30

8:39 pm-11:49 pm

1 stop6h 10m

$185

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Sun 5/24

6:00 am-7:54 pm

1 stop10h 54m

Indianapolis

Mon 6/1

8:39 pm-10:05 am

1 stop16h 26m

$196

OntarioChicago

ONT - ORD

ONTORD

Ontario

Wed 5/27

6:00 am-7:20 pm

2 stops11h 20m

Chicago O'Hare Intl

Sat 6/6

7:45 am-12:19 pm

1 stop6h 34m

$277

OntarioChicago

ONT - ORD

ONTORD

Ontario

Mon 6/1

10:00 pm-1:01 pm

2 stops13h 01m

Chicago O'Hare Intl

Wed 6/3

5:19 pm-11:34 pm

2 stops8h 15m

$282

Quickest round-trip

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Mon 6/1

5:30 am-1:10 pm

1 stop5h 40m

Chicago Midway

Tue 6/30

5:25 am-9:15 am

1 stop5h 50m

$283

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Wed 6/24

1:30 pm-11:05 pm

1 stop7h 35m

Chicago Midway

Tue 6/30

5:25 am-9:15 am

1 stop5h 50m

$284

OntarioLouisville

ONT - SDF

ONTSDF

Ontario

Tue 6/9

11:59 pm-10:36 am

1 stop7h 37m

Louisville Intl

Wed 6/10

7:48 pm-11:59 pm

1 stop7h 11m

$341

OntarioLouisville

ONT - SDF

ONTSDF

Ontario

Tue 6/9

6:10 am-7:00 pm

2 stops9h 50m

Louisville Intl

Wed 6/10

7:48 pm-11:59 pm

1 stop7h 11m

$346

OntarioFort Wayne

ONT - FWA

ONTFWA

Ontario

Sat 8/29

7:00 am-5:55 pm

1 stop7h 55m

Fort Wayne

Tue 9/1

1:41 pm-6:19 pm

1 stop7h 38m

$449

OntarioFort Wayne

ONT - FWA

ONTFWA

Ontario

Sat 8/29

7:00 am-5:55 pm

1 stop7h 55m

Fort Wayne

Tue 9/1

10:30 am-8:04 pm

2 stops12h 34m

$454

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 Ontario to Indiana

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 Indiana?

The cheapest month to fly to Indiana from Ontario is in May. Flight prices, which tend to average around $107, are often lower during this time because this is during the off-season. The month of April is another great option to travel to Indiana, with average flight prices from Ontario averaging around $131.

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

You are more likely to see cheaper flights to Indiana from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Indiana for around $376 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Indiana from Ontario for as low as $282 on momondo.

Can stopping save me money on Ontario to Indiana flights?

You could potentially save up to 66% on your flight if you consider stops on a Ontario to Indiana flight.

Cheap Ontario to Indiana flight deals and tips

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

Fastest flight time	3h 45m
Direct flights	Every day
Airports in Indiana	94 airports

The fastest flight from Ontario to Indiana takes 3h 45m

Direct flights go from Ontario to Indiana every day.

There are 94 airports in Indiana. From Ontario there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).

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Frequently asked questions about flying from Ontario to Indiana

When did momondo last update prices for flights from Ontario Airport to Indiana?
Prices for flights from Ontario Airport to Indiana were last updated today.
How many operators does momondo search for flights from Ontario Airport to Indiana?
As of May 2026, there are 5 operators available to choose from for flights from Ontario Airport to Indiana.
How old do you have to be to fly from Ontario Airport to Indiana?
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 Ontario Airport to Indiana.
What documentation or ID do you need to fly to Indiana?
The travel and health documents required for your trip to Indiana can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Indiana. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Indiana

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $160	Free Cancellation	Rating 5.6 2,964 reviews	Search Frontier flights
Delta	PriceFrom $276	Free Cancellation	Rating 7.9 8,458 reviews	Search Delta flights
United Airlines	PriceFrom $288	Free Cancellation	Rating 7.4 9,684 reviews	Search United Airlines flights
American Airlines	PriceFrom $292	Free Cancellation	Rating 7.1 11,666 reviews	Search American Airlines flights
Southwest	PriceFrom $321	Free Cancellation	Rating 7.9 4,305 reviews	Search Southwest flights

Why use momondo?

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

It is quick and easy to find Ontario to Indiana flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Indiana that suits you.

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

Yes. All flights to Indiana from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Indiana from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Ontario to Indiana now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Indiana and let you know when they change.