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

13 flights are operational weekly from Ontario to Indiana as of August 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

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 8 different airlines that fly to Indiana on a routine basis, so you have a few additional options to choose from.

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

Southwest, United Airlines, and Frontier are the most popular carriers operating 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 August 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.

$72 Cheap Flights from Ontario to Indiana in 2026

Discover deals from 900+ travel sites with momondo.

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.

6:15 am - 3:17 pmONT Ontario-IND Indianapolis

6h 02m1 stop Denver Intl

4:12 pm - 11:47 pmIND Indianapolis-ONT Ontario

10h 35m1 stop Denver Intl

$212Frontier

Mon, Sep 21 - Wed, Sep 23

6:15 am - 3:17 pmONT Ontario-IND Indianapolis

6h 02m1 stop Denver Intl

4:12 pm - 10:30 amIND Indianapolis-ONT Ontario

21h 18m1 stop Denver Intl

$212Frontier

Tue, Sep 22 - Thu, Sep 24

5:50 am - 8:00 pmONT Ontario-SDF Louisville Intl

11h 10m1 stop Las Vegas Harry Reid Intl

4:15 pm - 7:25 pmSDF Louisville Intl-ONT Ontario

6h 10m1 stop Las Vegas Harry Reid Intl

$247Southwest

Sat, Sep 5 - Fri, Sep 11

5:50 am - 8:00 pmONT Ontario-SDF Louisville Intl

11h 10m1 stop Las Vegas Harry Reid Intl

3:20 pm - 8:25 pmSDF Louisville Intl-ONT Ontario

8h 05m2 stops Nashville Intl Dallas Love Field

$252Southwest

Sat, Sep 5 - Fri, Sep 11

10:00 pm - 12:39 pmONT Ontario-MDW Chicago Midway

12h 39m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

6:05 am - 11:05 amMDW Chicago Midway-ONT Ontario

7h 00m1 stop Atlanta Hartsfield-Jackson

$263Delta

Mon, Sep 14 - Wed, Sep 16

6:01 pm - 8:39 amONT Ontario-MDW Chicago Midway

12h 38m2 stops Seattle/Tacoma Intl Minneapolis St Paul

10:56 am - 6:30 pmMDW Chicago Midway-ONT Ontario

9h 34m1 stop Atlanta Hartsfield-Jackson

$263Delta

Mon, Aug 31 - Sat, Sep 5

10:04 am - 1:12 pmONT Ontario-IND Indianapolis

24h 08m1 stop Las Vegas Harry Reid Intl

11:21 am - 10:30 amIND Indianapolis-ONT Ontario

26h 09m2 stops Orlando Denver Intl

$265Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

7:00 am - 1:10 pmONT Ontario-ORD Chicago O'Hare Intl

4h 10mnonstop

8:33 pm - 10:59 pmORD Chicago O'Hare Intl-ONT Ontario

4h 26mnonstop

$273United Airlines

Fri, Sep 11 - Fri, Sep 18

1:35 pm - 10:45 pmONT Ontario-ORD Chicago O'Hare Intl

7h 10m1 stop San Francisco

4:15 pm - 6:47 pmORD Chicago O'Hare Intl-ONT Ontario

4h 32mnonstop

$274United Airlines

Fri, Nov 13 - Sun, Nov 15

8:24 pm - 5:38 amONT Ontario-ORD Chicago O'Hare Intl

7h 14m1 stop Las Vegas Harry Reid Intl

6:00 am - 1:16 pmORD Chicago O'Hare Intl-ONT Ontario

9h 16m1 stop Seattle/Tacoma Intl

$278Multiple Airlines

Mon, Oct 5 - Thu, Oct 8

Cheap last minute flights

Enter your travel dates to find the best prices.

2:27 pm - 12:18 amONT Ontario-ORD Chicago O'Hare Intl

7h 51m1 stop Dallas/Fort Worth

6:59 am - 12:03 pmORD Chicago O'Hare Intl-ONT Ontario

7h 04m1 stop Phoenix Sky Harbor Intl

$277American Airlines

Fri, Aug 14 - Tue, Aug 18

1:56 pm - 10:59 pmONT Ontario-ORD Chicago O'Hare Intl

7h 03m1 stop San Francisco

6:00 am - 12:12 pmORD Chicago O'Hare Intl-ONT Ontario

8h 12m1 stop San Francisco

$277United Airlines

Thu, Aug 13 - Tue, Aug 18

1:18 pm - 9:29 pmONT Ontario-ORD Chicago O'Hare Intl

6h 11m1 stop Denver Intl

4:00 pm - 10:59 pmORD Chicago O'Hare Intl-ONT Ontario

8h 59m1 stop San Francisco

$277United Airlines

Fri, Aug 14 - Mon, Aug 17

9:36 am - 12:33 amONT Ontario-ORD Chicago O'Hare Intl

12h 57m1 stop Houston George Bush Intcntl

9:10 pm - 8:36 amORD Chicago O'Hare Intl-ONT Ontario

13h 26m1 stop Dallas/Fort Worth

$282Frontier

Sat, Aug 15 - Tue, Aug 18

6:00 am - 8:52 pmONT Ontario-ORD Chicago O'Hare Intl

12h 52m1 stop Denver Intl

9:34 pm - 8:41 amORD Chicago O'Hare Intl-ONT Ontario

13h 07m1 stop Dallas/Fort Worth

$282Frontier

Sat, Aug 15 - Sun, Aug 16

1:06 pm - 9:33 pmONT Ontario-ORD Chicago O'Hare Intl

6h 27m1 stop Salt Lake City

3:51 pm - 11:34 pmORD Chicago O'Hare Intl-ONT Ontario

9h 43m2 stops Minneapolis St Paul Salt Lake City

$282Delta

Fri, Aug 14 - Mon, Aug 17

10:00 pm - 1:50 pmONT Ontario-ORD Chicago O'Hare Intl

13h 50m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

7:44 pm - 11:34 pmORD Chicago O'Hare Intl-ONT Ontario

5h 50m1 stop Salt Lake City

$282Delta

Fri, Aug 14 - Wed, Aug 19

4:07 pm - 12:28 amONT Ontario-ORD Chicago O'Hare Intl

6h 21m1 stop Phoenix Sky Harbor Intl

6:59 am - 12:03 pmORD Chicago O'Hare Intl-ONT Ontario

7h 04m1 stop Phoenix Sky Harbor Intl

$377American Airlines

Mon, Aug 17 - Thu, Aug 20

12:50 pm - 11:20 pmONT Ontario-MDW Chicago Midway

8h 30m1 stop Austin Bergstrom

7:10 am - 1:25 pmMDW Chicago Midway-ONT Ontario

8h 15m1 stop Phoenix Sky Harbor Intl

$417Southwest

Fri, Aug 14 - Mon, Aug 17

12:50 pm - 11:20 pmONT Ontario-MDW Chicago Midway

8h 30m2 stops Austin Bergstrom Dallas Love Field

7:10 am - 1:25 pmMDW Chicago Midway-ONT Ontario

8h 15m1 stop Phoenix Sky Harbor Intl

$422Southwest

Fri, Aug 14 - Mon, Aug 17

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United Airlines flights from Ontario to Indiana

Our best United Airlines deals on Ontario to Indiana flight tickets

United Airlines

Aug 26

ONT5:00 amOntario

8h 00m

1 stop

ORD3:00 pmChicago O'Hare Intl

Aug 29

ORD8:06 pmChicago O'Hare Intl

4h 29m

ONT10:35 pmOntario

$267

United Airlines

Nov 13

ONT7:00 amOntario

4h 10m

ORD1:10 pmChicago O'Hare Intl

Nov 15

ORD6:00 amChicago O'Hare Intl

8h 29m

1 stop

ONT12:29 pmOntario

$270

United Airlines

Sep 16

ONT1:18 pmOntario

6h 42m

1 stop

ORD10:00 pmChicago O'Hare Intl

Sep 18

ORD8:33 pmChicago O'Hare Intl

4h 26m

ONT10:59 pmOntario

$271

Frontier flights from Ontario to Indiana

Our best Frontier deals on Ontario to Indiana flight tickets

Frontier

Oct 21

ONT6:00 amOntario

10h 21m

1 stop

IND7:21 pmIndianapolis

Oct 28

IND2:52 pmIndianapolis

12h 03m

1 stop

ONT11:55 pmOntario

$212

Frontier

Sep 10

ONT7:46 pmOntario

11h 02m

1 stop

CVG9:48 amCincinnati Cinci./N. Kentucky

Sep 12

CVG11:09 amCincinnati Cinci./N. Kentucky

8h 37m

1 stop

ONT4:46 pmOntario

$218

Frontier

Sep 1

ONT6:00 amOntario

11h 04m

1 stop

IND8:04 pmIndianapolis

Sep 30

IND4:12 pmIndianapolis

10h 35m

1 stop

ONT11:47 pmOntario

$220

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioIndianapolis

ONT Ontario - IND Indianapolis

ONTIND

Ontario

Mon 9/21

6:15 am-3:17 pm

1 stop6h 02m

Indianapolis

Wed 9/23

4:12 pm-11:47 pm

1 stop10h 35m

$212

OntarioIndianapolis

ONT Ontario - IND Indianapolis

ONTIND

Ontario

Tue 9/22

6:15 am-3:17 pm

1 stop6h 02m

Indianapolis

Thu 9/24

4:12 pm-10:30 am

1 stop21h 18m

$212

OntarioLouisville

ONT Ontario - SDF Louisville Intl

ONTSDF

Ontario

Sat 9/5

5:50 am-8:00 pm

1 stop11h 10m

Louisville Intl

Fri 9/11

4:15 pm-7:25 pm

1 stop6h 10m

$247

OntarioLouisville

ONT Ontario - SDF Louisville Intl

ONTSDF

Ontario

Sat 9/5

5:50 am-8:00 pm

1 stop11h 10m

Louisville Intl

Fri 9/11

3:20 pm-8:25 pm

2 stops8h 05m

$252

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Mon 9/14

10:00 pm-12:39 pm

2 stops12h 39m

Chicago Midway

Wed 9/16

6:05 am-11:05 am

1 stop7h 00m

$263

OntarioChicago

ONT Ontario - MDW Chicago Midway

ONTMDW

Ontario

Mon 8/31

6:01 pm-8:39 am

2 stops12h 38m

Chicago Midway

Sat 9/5

10:56 am-6:30 pm

1 stop9h 34m

$263

OntarioIndianapolis

ONT Ontario - IND Indianapolis

ONTIND

Ontario

Wed 9/9

10:04 am-1:12 pm

1 stop24h 08m

Indianapolis

Wed 9/16

11:21 am-10:30 am

2 stops26h 09m

$265

Quickest round-trip

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Fri 9/11

7:00 am-1:10 pm

Nonstop4h 10m

Chicago O'Hare Intl

Fri 9/18

8:33 pm-10:59 pm

Nonstop4h 26m

$273

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Fri 11/13

1:35 pm-10:45 pm

1 stop7h 10m

Chicago O'Hare Intl

Sun 11/15

4:15 pm-6:47 pm

Nonstop4h 32m

$274

OntarioChicago

ONT Ontario - ORD Chicago O'Hare Intl

ONTORD

Ontario

Mon 10/5

8:24 pm-5:38 am

1 stop7h 14m

Chicago O'Hare Intl

Thu 10/8

6:00 am-1:16 pm

1 stop9h 16m

$278

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 February. Flight prices, which tend to average around $314, 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 $348.

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 $405 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 $314 on momondo.

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 August 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 $165	Free Cancellation	Rating 5.6 2,701 reviews	Search Frontier flights
Delta	PriceFrom $183	Free Cancellation	Rating 7.8 8,505 reviews	Search Delta flights
United Airlines	PriceFrom $288	Free Cancellation	Rating 7.4 10,111 reviews	Search United Airlines flights
American Airlines	PriceFrom $292	Free Cancellation	Rating 7.1 11,911 reviews	Search American Airlines flights
Southwest	PriceFrom $322	Free Cancellation	Rating 8.0 4,218 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.