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$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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IND
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Trip.com)

One-way from

$102
(Trip.com)

Popular in

April

Cheapest in

August

Average price

$438
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From Ontario to Indiana
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One-way flight from Ontario to Indiana
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Highest demand for flights based on searches. 8% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/27. 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 5/267:00 amONT - ORD
Nonstop4h 03mUnited Airlines
Fri 5/307:55 pmORD - ONT
Nonstop4h 31mUnited Airlines
Deal found 3/27$227
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/189:41 pmONT - MDW
1 stop5h 42mFrontier
Tue 4/226:45 amMDW - ONT
1 stop6h 35mFrontier
Deal found 3/27$236
This Frontier deal was found by Cheapflights users on 3/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2512:11 pmONT - ORD
1 stop9h 26mFrontier
Fri 5/25:21 pmORD - ONT
1 stop8h 38mFrontier
Deal found 3/27$238
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/196:15 amONT - ORD
1 stop6h 45mSouthwest
Mon 7/215:25 pmORD - ONT
1 stop5h 45mSouthwest
Deal found 3/27$242
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:35 pmONT - MDW
1 stop6h 35mSouthwest
Mon 9/293:20 pmMDW - ONT
1 stop6h 25mSouthwest
Deal found 3/27$247
This Delta deal was found by Cheapflights users on 3/27. 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 4/267:00 amONT - MDW
1 stop8h 59mDelta
Mon 4/284:59 pmMDW - ONT
1 stop7h 37mDelta
Deal found 3/27$257
This Delta deal was found by Cheapflights users on 3/27. 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 5/35:15 pmONT - ORD
1 stop5h 38mDelta
Wed 5/77:30 amORD - ONT
1 stop6h 45mDelta
Deal found 3/27$257
This Frontier deal was found by Cheapflights users on 3/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/33:02 pmONT - CVG
1 stop11h 07mFrontier
Thu 4/107:25 amCVG - ONT
1 stop12h 48mFrontier
Deal found 3/27$258
This Frontier deal was found by Cheapflights users on 3/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:47 pmONT - IND
1 stop13h 14mFrontier
Mon 5/55:50 pmIND - ONT
1 stop9h 09mFrontier
Deal found 3/27$258
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 4/266:00 amONT - ORD
1 stop9h 00mHawaiian Airlines
Sat 5/39:00 amORD - ONT
1 stop8h 32mHawaiian Airlines
Deal found 3/27$267
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 9/237:17 pmONT - ORD
1 stop8h 23mAlaska Airlines
Fri 10/35:54 pmORD - ONT
1 stop8h 05mAlaska Airlines
Deal found 3/27$287
This Delta deal was found by Cheapflights users on 3/27. 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.
Thu 4/1712:07 pmONT - DAY
1 stop8h 21mDelta
Sun 4/206:03 amDAY - ONT
1 stop7h 54mDelta
Deal found 3/27$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 March 28, 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 - ORD

ONTORD

Ontario

Mon 5/26

7:00 am-1:03 pm

Nonstop4h 03m

Chicago O'Hare Intl

Fri 5/30

7:55 pm-10:26 pm

Nonstop4h 31m

$227

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Fri 4/18

4:25 pm-12:21 am

1 stop5h 56m

Chicago Midway

Sun 4/20

8:50 pm-7:25 am

1 stop12h 35m

$238

OntarioChicago

ONT - ORD

ONTORD

Ontario

Fri 4/25

12:11 pm-11:37 pm

1 stop9h 26m

Chicago O'Hare Intl

Fri 5/2

5:21 pm-11:59 pm

1 stop8h 38m

$238

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Wed 4/23

12:59 am-3:21 pm

1 stop11h 22m

Indianapolis

Thu 5/1

4:18 pm-11:59 pm

1 stop10h 41m

$238

OntarioChicago

ONT - MDW

ONTMDW

Ontario

Thu 5/29

2:55 pm-1:05 am

1 stop8h 10m

Chicago Midway

Mon 6/2

5:05 am-11:00 am

1 stop7h 55m

$247

OntarioChicago

ONT - ORD

ONTORD

Ontario

Tue 5/6

7:00 am-3:00 pm

1 stop6h 00m

Chicago O'Hare Intl

Tue 5/13

6:55 pm-11:00 pm

1 stop6h 05m

$247

OntarioChicago

ONT - ORD

ONTORD

Ontario

Sat 5/3

5:15 pm-12:53 am

1 stop5h 38m

Chicago O'Hare Intl

Wed 5/7

7:30 am-12:15 pm

1 stop6h 45m

$257

OntarioCincinnati

ONT - CVG

ONTCVG

Ontario

Mon 4/7

2:43 pm-5:09 am

1 stop11h 26m

Cincinnati Cinci./N. Kentucky

Wed 4/9

4:31 pm-11:59 pm

1 stop10h 28m

$258

OntarioChicago

ONT - ORD

ONTORD

Ontario

Sat 4/26

6:00 am-5:00 pm

1 stop9h 00m

Chicago O'Hare Intl

Sat 5/3

9:00 am-3:32 pm

1 stop8h 32m

$267

OntarioChicago

ONT - ORD

ONTORD

Ontario

Wed 4/30

11:46 am-11:59 pm

1 stop10h 13m

Chicago O'Hare Intl

Sat 5/3

9:00 am-3:32 pm

1 stop8h 32m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 60 results
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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 $362). 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 March 28, 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 March 28, 2025.
See what other customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 United Airlines and Southwest, 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 $362). 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

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Alternative routes for Ontario to Indiana

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Ontario to Indiana

Discover the top 6 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$205FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$165Average$309FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$255Average$523FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$409FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$296Average$486FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$339Average$442FlexibilityNo cancel feeOn-time63%
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