Indiana

$102+ Cheap flights from Ontario (ONT) to Indiana

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IND
Aug 5 — Aug 121
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Indiana with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Indiana

Keep the following information in mind while searching for Ontario to Indiana flight deals. Data was last updated July 31, 2025.

Round-trip from

$238
(CheapOair)

One-way from

$102
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$392
From Ontario to Indiana
One-way flight from Ontario to Indiana
Highest demand for flights based on searches. 10% potential increase in price ($46 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Ontario to Indiana

Cheapest flights from Ontario to Indiana
Explore the most affordable flight options available from Ontario to Indiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This CheapOair deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/112:59 amONT - CVG
1 stop20h 55mFrontier
Tue 8/57:15 amCVG - ONT
1 stop19h 35mFrontier
Deal found 7/31$238
This CheapOair deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/112:59 amONT - IND
1 stop20h 44mFrontier
Sat 8/96:00 amIND - ONT
1 stop6h 09mFrontier
Deal found 7/31$238
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3012:47 pmONT - SBN
1 stop6h 47mAmerican Airlines
Tue 9/97:36 amSBN - ONT
1 stop9h 18mAmerican Airlines
Deal found 7/30$247
This Booking.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/412:59 amONT - ORD
1 stop21h 33mFrontier
Fri 8/159:56 pmORD - ONT
1 stop25h 56mFrontier
Deal found 7/31$251
This Booking.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/148:59 pmONT - MDW
1 stop16h 54mFrontier
Sun 9/2110:18 amMDW - ONT
1 stop7h 06mFrontier
Deal found 7/30$257
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:17 amONT - ORD
1 stop10h 00mAmerican Airlines
Sat 8/308:00 amORD - ONT
1 stop10h 24mAmerican Airlines
Deal found 7/29$274
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2112:22 pmONT - IND
1 stop7h 38mAmerican Airlines
Wed 8/278:43 amIND - ONT
1 stop6h 09mAmerican Airlines
Deal found 7/31$275
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:15 pmONT - IND
1 stop6h 13mDelta
Sat 9/131:50 pmIND - ONT
1 stop8h 25mDelta
Deal found 7/29$277
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/911:45 amONT - SBN
1 stop7h 04mDelta
Wed 9/176:05 amSBN - ONT
1 stop7h 37mDelta
Deal found 7/29$277
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1311:55 amONT - DAY
1 stop8h 12mDelta
Tue 9/231:16 pmDAY - ONT
1 stop8h 59mDelta
Deal found 7/28$289
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/83:06 pmONT - IND
1 stop11h 04mAlaska Airlines
Mon 9/156:55 pmIND - ONT
1 stop8h 08mAlaska Airlines
Deal found 7/30$292
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:00 amONT - IND
1 stop6h 32mUnited Airlines
Sun 8/315:30 pmIND - ONT
1 stop6h 55mUnited Airlines
Deal found 7/30$293

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Indiana that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Ontario to Indiana that are best for you.

Fly from

Ontario

Fly to

Indiana

Route

Depart

Return

Price

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Wed 9/24

8:59 pm-8:04 pm

1 stop20h 05m

Indianapolis

Sat 10/4

5:01 pm-7:23 am

1 stop17h 22m

$238

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Tue 9/9

8:59 pm-10:41 pm

1 stop22h 42m

Cincinnati Cinci./N. Kentucky

Sat 9/13

8:00 am-7:23 am

1 stop26h 23m

$239

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Sat 8/30

12:47 pm-10:34 pm

1 stop6h 47m

South Bend/Michiana

Tue 9/9

7:36 am-1:54 pm

1 stop9h 18m

$247

OntarioChicago

ONT - ORD

ONTORD

Ontario

Mon 8/4

12:59 am-12:32 am

1 stop21h 33m

Chicago O'Hare Intl

Fri 8/15

9:56 pm-9:52 pm

1 stop25h 56m

$251

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Sun 9/14

8:59 pm-3:53 pm

1 stop16h 54m

Chicago Midway

Sun 9/21

10:18 am-3:24 pm

1 stop7h 06m

$257

OntarioChicago

ONT - ORD

ONTORD

Ontario

Tue 8/26

6:17 am-6:17 pm

1 stop10h 00m

Chicago O'Hare Intl

Sat 8/30

8:00 am-4:24 pm

1 stop10h 24m

$274

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 8/21

12:22 pm-11:00 pm

1 stop7h 38m

Indianapolis

Wed 8/27

8:43 am-11:52 am

1 stop6h 09m

$275

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Tue 9/9

11:45 am-9:49 pm

1 stop7h 04m

South Bend/Michiana

Wed 9/17

6:05 am-10:42 am

1 stop7h 37m

$277

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Tue 9/9

1:15 pm-10:28 pm

1 stop6h 13m

Indianapolis

Sat 9/13

1:50 pm-7:15 pm

1 stop8h 25m

$277

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Sat 9/13

11:55 am-11:07 pm

1 stop8h 12m

Dayton

Tue 9/23

1:16 pm-7:15 pm

1 stop8h 59m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Ontario to Indiana

Have a flexible travel schedule? Discover the best time to fly to Indiana from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Indiana

What is the cheapest month to book a flight from Ontario to Indiana?

Currently, August is the cheapest month in which you can book a flight from Ontario to Indiana (average of $297). Flying from Ontario to Indiana in March is currently the most expensive (average of $361). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to IN?

Find hourly flight availability from Ontario to Indiana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Indiana as you normally would.

Reviews of airlines servicing Indiana

Get insights into the airlines that provide service to Indiana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Indiana. Reviews last updated July 31, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Ontario to Indiana have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Indiana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Ontario to Indiana?

    Most people fly from Ontario (ONT) if they book a flight from Ontario to Indiana. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • What are the cheapest airlines to fly from Ontario to Indiana one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $102. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Ontario to Indiana for a low price.

  • What are the most popular routes from Ontario to Indiana?

  • Can I find deals for flights from Ontario to Indiana that include hotel bookings?

    Yes. In addition to deals on Ontario to Indiana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Indiana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Indiana.

  • Can I find deals for business class flights from Ontario to Indiana?

    Yes. Cheapflights offers flight deals from Ontario to Indiana by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Indiana?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Indiana (average of $297). Flying from Ontario to Indiana in March is currently the most expensive (average of $361). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Indiana

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Ontario to Indiana

Discover the top 5 airlines that operate flights from Ontario to Indiana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$203FlexibilityNo cancel feeOn-time62%
DeltaCheapest$193Average$424FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$278Average$479FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$421FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$339Average$416FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.