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$122+ Cheap flights from Ontario to Indianapolis (ONT - IND)

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 8/22. 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
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Cheapflights Tip: The best prices from Ontario to Indianapolis are usually found in February or September, booked 60 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Ontario to Indianapolis

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Indianapolis (IND). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$252
(KAYAK)

One-way from

$122
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$411
From Ontario to Indianapolis
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One-way flight from Ontario to Indianapolis
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Highest demand for flights based on searches. 15% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Indianapolis

Cheapest flights from Ontario to Indianapolis
Explore the most affordable flight options available from Ontario to Indianapolis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

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 Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2112:45 pmONT - IND
1 stop7h 35mSouthwest
Wed 8/277:10 amIND - ONT
1 stop7h 50mSouthwest
Deal found 6/11$297
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/215:10 amONT - IND
2 stops8h 22mUnited Airlines
Wed 8/2711:20 amIND - ONT
2 stops9h 17mUnited Airlines
Deal found 6/11$307
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 7/2911:40 amONT - IND
1 stop7h 03mDelta
Tue 8/56:00 amIND - ONT
1 stop7h 30mDelta
Deal found 6/10$338
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.
Thu 9/116:00 amONT - IND
1 stop20h 10mAlaska Airlines
Mon 9/156:55 pmIND - ONT
1 stop8h 04mAlaska Airlines
Deal found 6/11$388
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/21:10 pmONT - IND
2 stops8h 03mAmerican Airlines
Sun 10/56:00 amIND - ONT
1 stop7h 05mAmerican Airlines
Deal found 6/10$396

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Indianapolis 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 Indianapolis that are best for you.

Fly from

Ontario

Fly to

Indianapolis

Route

Depart

Return

Price

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

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 8/21

12:45 pm-11:20 pm

1 stop7h 35m

Indianapolis

Wed 8/27

7:10 am-12:00 pm

1 stop7h 50m

$297

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Tue 7/29

11:40 am-9:43 pm

1 stop7h 03m

Indianapolis

Tue 8/5

6:00 am-10:30 am

1 stop7h 30m

$338

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 9/11

7:22 pm-5:10 am

1 stop30h 48m

Indianapolis

Tue 9/16

6:30 am-2:09 pm

1 stop10h 39m

$388

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 9/11

6:50 pm-11:09 am

2 stops13h 19m

Indianapolis

Tue 9/16

5:30 pm-9:25 pm

1 stop6h 55m

$392

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 6/27

12:55 pm-12:20 am

2 stops8h 25m

Indianapolis

Fri 7/4

8:35 am-1:50 pm

1 stop8h 15m

$393

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 8/22

9:59 am-9:36 pm

1 stop8h 37m

$122

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Tue 7/1

12:55 pm-10:51 pm

1 stop6h 56m

$130

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 11/27

4:05 pm-5:45 am

1 stop10h 40m

$139

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Tue 7/1

5:08 pm-9:41 am

2 stops13h 33m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 12 results
1
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Best time to book a flight from Ontario to Indianapolis

Have a flexible travel schedule? Discover the best time to fly to Indianapolis 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 Indianapolis

How far ahead should I book a flight from Ontario to Indianapolis?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Indianapolis. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Indianapolis, you should look to book at least 59 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Ontario to Indianapolis (average of $297). Flying from Ontario to Indianapolis 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 IND?

Find hourly flight availability from Ontario to Indianapolis. 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.

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Ontario to Indianapolis by exploring options for tickets in the evening.

What is the cheapest day to fly from Ontario to Indianapolis?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Indianapolis. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Indianapolis flight should consider departing on Thursday afternoons when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Indianapolis by month

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

In terms of precipitation, rainfall in Indianapolis 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 Indianapolis when rainfall is around 2.3 in.

Temperature in Indianapolis by month

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

If weather is an important factor for your trip to Indianapolis, 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 Indianapolis

Get insights into the airlines that provide service to Indianapolis. 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 Indianapolis. Reviews last updated June 12, 2025.
To help decide which airline to fly from Ontario to Indianapolis, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

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.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

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.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

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.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

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.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

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.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

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 Indianapolis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Indianapolis round-trip?

    According to our current data, Frontier ($252), Southwest ($297), and Delta ($338) offers the cheapest pricing from Ontario to Indianapolis. These flights start at 35% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $122. Users have also found prices from $130 and $139 on American Airlines and Hawaiian Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Indianapolis 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 Indianapolis?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Indianapolis (average of $297). Flying from Ontario to Indianapolis 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Greenwood
Bloomington
Terre Haute
Noblesville
Muncie
Fishers
Anderson
Kokomo
Franklin
Plainfield
Crawfordsville
Carmel
Shelbyville
Speedway

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Alternative routes for Ontario to Indianapolis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ontario to Indianapolis

Discover the top 5 airlines that operate flights from Ontario to Indianapolis. 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%
United AirlinesCheapest$296Average$463FlexibilityNo cancel feeOn-time69%
DeltaCheapest$306Average$396FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$310Average$431FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$339Average$416FlexibilityNo cancel feeOn-time63%

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