HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Indiana

$112+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IND
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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 June 12, 2025.

Round-trip from

$244
(FlightHub)

One-way from

$112
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$349
From Ontario to Indiana
Search Deals
One-way flight from Ontario to Indiana
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/229:59 amONT - MDW
1 stop9h 49mFrontier
Mon 8/256:31 pmMDW - ONT
1 stop7h 19mFrontier
Deal found 6/10$244
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2112:59 amONT - ORD
1 stop7h 38mFrontier
Mon 8/2512:31 pmORD - ONT
1 stop8h 03mFrontier
Deal found 6/10$244
This CheapOair deal was found by Cheapflights users on 6/9. 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.
Wed 9/1012:59 amONT - CVG
1 stop16h 21mFrontier
Sun 9/146:10 amCVG - ONT
1 stop7h 47mFrontier
Deal found 6/9$248
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1012:59 amONT - IND
1 stop8h 16mFrontier
Mon 8/186:00 amIND - ONT
1 stop6h 13mFrontier
Deal found 6/11$252
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 7/1412:59 amONT - SBN
1 stop8h 02mAmerican Airlines
Tue 7/225:16 pmSBN - ONT
1 stop7h 22mAmerican Airlines
Deal found 6/11$277
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/66:58 pmONT - CVG
1 stop9h 09mHawaiian Airlines
Tue 8/126:37 pmCVG - ONT
1 stop8h 36mHawaiian Airlines
Deal found 6/10$278
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 8/134:00 pmONT - ORD
1 stop11h 40mAlaska Airlines
Sat 8/166:00 amORD - ONT
1 stop10h 46mAlaska Airlines
Deal found 6/11$283
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 7/910:05 pmONT - SBN
1 stop9h 55mDelta
Tue 7/156:15 amSBN - ONT
1 stop7h 15mDelta
Deal found 6/10$283
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 8/61:15 pmONT - CVG
1 stop6h 48mDelta
Tue 8/1212:20 pmCVG - ONT
2 stops13h 00mDelta
Deal found 6/12$284
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/144:00 pmONT - CVG
1 stop12h 07mAlaska Airlines
Wed 8/206:37 pmCVG - ONT
1 stop19h 07mAlaska Airlines
Deal found 6/10$288
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 8/811:59 pmONT - FWA
1 stop8h 50mAmerican Airlines
Sun 8/175:51 amFWA - ONT
1 stop7h 08mAmerican Airlines
Deal found 6/11$289
This Delta deal was found by Cheapflights users on 6/10. 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 9/1610:59 pmONT - DAY
1 stop8h 26mDelta
Wed 9/243:55 pmDAY - ONT
1 stop9h 46mDelta
Deal found 6/10$289

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 June 12, 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

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Fri 8/22

9:59 am-9:48 pm

1 stop9h 49m

Chicago Midway

Mon 8/25

6:31 pm-11:50 pm

1 stop7h 19m

$244

OntarioChicago

ONT - ORD

ONTORD

Ontario

Thu 8/21

12:59 am-10:37 am

1 stop7h 38m

Chicago O'Hare Intl

Mon 8/25

12:31 pm-6:34 pm

1 stop8h 03m

$244

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Wed 9/10

12:59 am-8:20 pm

1 stop16h 21m

Cincinnati Cinci./N. Kentucky

Sun 9/14

6:10 am-10:57 am

1 stop7h 47m

$248

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Sun 8/10

12:59 am-12:15 pm

1 stop8h 16m

Indianapolis

Mon 8/18

6:00 am-9:13 am

1 stop6h 13m

$252

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Mon 7/14

12:59 am-12:01 pm

1 stop8h 02m

South Bend/Michiana

Tue 7/22

5:16 pm-9:38 pm

1 stop7h 22m

$277

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Wed 8/6

6:58 pm-7:07 am

1 stop9h 09m

Cincinnati Cinci./N. Kentucky

Tue 8/12

6:37 pm-12:13 am

1 stop8h 36m

$278

OntarioChicago

ONT - ORD

ONTORD

Ontario

Wed 8/13

4:00 pm-5:40 am

1 stop11h 40m

Chicago O'Hare Intl

Sat 8/16

6:00 am-2:46 pm

1 stop10h 46m

$283

OntarioSouth Bend

ONT - SBN

ONTSBN

Ontario

Wed 7/9

10:05 pm-11:00 am

1 stop9h 55m

South Bend/Michiana

Tue 7/15

6:15 am-10:30 am

1 stop7h 15m

$283

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Tue 7/1

5:08 pm-9:37 am

2 stops13h 29m

Cincinnati Cinci./N. Kentucky

Fri 7/4

5:55 pm-10:14 pm

1 stop7h 19m

$284

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Thu 8/14

4:00 pm-7:07 am

1 stop12h 07m

Cincinnati Cinci./N. Kentucky

Wed 8/20

6:37 pm-10:44 am

1 stop19h 07m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 $360). 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 June 12, 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.

Rainfall in Indiana by month

Plan your trip to Indiana by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Indiana ranges from 2.3 - 5.1 inches per month. May is typically the wettest month, when rainfall can reach 5.1 in. February is typically the driest time to visit Indiana when rainfall is around 2.3 in.

Temperature in Indiana by month

Plan your trip to Indiana by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Indiana, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Ontario to Indiana have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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 $122. However, be on the lookout for offers from American Airlines and Alaska Airlines, 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?

    Most travelers choose Ontario - Chicago O'Hare Intl, Ontario - Chicago Midway or Ontario - Cincinnati Cinci./N. Kentucky when deciding on the best route 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 $360). 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.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Seattle flights
Los Angeles to Newark flights
San Francisco to John F Kennedy Intl flights
San Francisco to Newark flights
Los Angeles to Honolulu flights
Los Angeles to O'Hare Intl flights
Los Angeles to LaGuardia flights
Los Angeles to San Francisco flights
Los Angeles to Dallas/Fort Worth flights
San Francisco to Seattle flights
Ontario to Seattle flights
San Francisco to Las Vegas flights
Los Angeles to Boston flights
San Francisco to O'Hare Intl flights
Los Angeles to Las Vegas flights
San Jose to Los Angeles flights
Ontario to John F Kennedy Intl flights
Santa Ana to Seattle flights
San Jose to Seattle flights
San Francisco to Los Angeles flights
Los Angeles to Miami flights
San Francisco to Honolulu flights
Los Angeles to Orlando flights
Los Angeles to San Jose flights
Los Angeles to Denver flights
San Francisco to LaGuardia flights
Oakland to Santa Ana flights
Los Angeles to Portland flights
Santa Ana to Las Vegas flights
Oakland to Las Vegas flights
Oakland to Los Angeles flights
Los Angeles to Fort Lauderdale flights
San Diego to Seattle flights
Burbank to Las Vegas flights
Ontario to O'Hare Intl flights
Oakland to Seattle flights
Los Angeles to Oakland flights
Burbank to Newark flights
Santa Ana to Newark flights
Los Angeles to Kahului flights
Los Angeles to Reagan-National flights
Ontario to Honolulu flights
Santa Ana to O'Hare Intl flights
San Francisco to Dallas/Fort Worth flights
Los Angeles to Dulles Intl flights
Los Angeles to Hobby flights
San Diego to John F Kennedy Intl flights
San Jose to Las Vegas flights
San Francisco to Denver flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$129Average$207FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$252Average$530FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$392FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$296Average$463FlexibilityNo 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.