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$96+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IND
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 April 22, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$198
(Frontier)

One-way from

$96
(Mytrip)

Popular in

November

Cheapest in

February

Average price

$379
Provider with most accurate pricing for Ontario-Indianapolis flight deals.
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Provider most trusted by Cheapflights users for Ontario-Indianapolis flights.
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From Ontario to Indianapolis
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One-way flight from Ontario to Indianapolis
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($60 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 April 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 April 22, 2025.

This Frontier deal was found by Cheapflights users on 4/21. 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 5/86:47 pmONT - IND
1 stop13h 14mFrontier
Fri 5/95:50 pmIND - ONT
1 stop9h 09mFrontier
Deal found 4/21$198
This Delta deal was found by Cheapflights users on 4/21. 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.
Sun 5/2512:18 pmONT - IND
1 stop8h 57mDelta
Sat 5/316:00 amIND - ONT
1 stop8h 08mDelta
Deal found 4/21$327
This Hawaiian Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 5/207:20 pmONT - IND
1 stop8h 47mHawaiian Airlines
Wed 5/218:27 amIND - ONT
1 stop10h 23mHawaiian Airlines
Deal found 4/21$337
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Wed 6/45:10 amONT - IND
1 stop6h 28mUnited Airlines
Sat 6/73:40 pmIND - ONT
2 stops10h 05mUnited Airlines
Deal found 4/22$338
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 7/94:00 pmONT - IND
1 stop10h 00mAlaska Airlines
Tue 7/156:48 pmIND - ONT
1 stop8h 25mAlaska Airlines
Deal found 4/21$342
This American Airlines deal was found by Cheapflights users on 4/21. 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 6/912:59 amONT - IND
1 stop6h 19mAmerican Airlines
Fri 6/135:29 pmIND - ONT
1 stop8h 33mAmerican Airlines
Deal found 4/21$343
This Southwest deal was found by Cheapflights users on 4/21. 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.
Sun 5/2512:35 pmONT - IND
1 stop9h 00mSouthwest
Tue 5/277:45 pmIND - ONT
1 stop6h 15mSouthwest
Deal found 4/21$348
This Trip.com deal was found by Cheapflights users on 4/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/210:52 amONT - IND
1 stop14h 38mMultiple Airlines
Sun 5/44:27 pmIND - ONT
1 stop10h 32mMultiple Airlines
Deal found 4/22$378

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 April 22, 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

Thu 5/8

6:47 pm-11:01 am

1 stop13h 14m

Indianapolis

Fri 5/9

5:50 pm-11:59 pm

1 stop9h 09m

$198

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Sun 5/25

12:18 pm-12:15 am

1 stop8h 57m

Indianapolis

Sat 5/31

6:00 am-11:08 am

1 stop8h 08m

$327

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Tue 5/20

7:20 pm-7:07 am

1 stop8h 47m

Indianapolis

Wed 5/21

8:27 am-3:50 pm

1 stop10h 23m

$337

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Wed 6/4

5:10 am-2:38 pm

1 stop6h 28m

Indianapolis

Sat 6/7

3:40 pm-10:45 pm

2 stops10h 05m

$338

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Wed 7/9

4:00 pm-5:00 am

1 stop10h 00m

Indianapolis

Tue 7/15

6:48 pm-12:13 am

1 stop8h 25m

$342

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Mon 6/9

12:59 am-10:18 am

1 stop6h 19m

Indianapolis

Fri 6/13

5:29 pm-11:02 pm

1 stop8h 33m

$343

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Sun 5/25

12:35 pm-12:35 am

1 stop9h 00m

Indianapolis

Tue 5/27

7:45 pm-11:00 pm

1 stop6h 15m

$348

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 5/2

10:52 am-4:30 am

1 stop14h 38m

Indianapolis

Sun 5/4

4:27 pm-11:59 pm

1 stop10h 32m

$378

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Sat 5/24

5:21 pm-3:41 pm

1 stop19h 20m

$96

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 5/2

10:52 am-4:30 am

1 stop14h 38m

$112

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 16 results
1
2

Compare providers for flights from Ontario to Indianapolis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Indianapolis in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Indianapolis flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Ontario-Indianapolis flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Ontario-Indianapolis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Indianapolis flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Indianapolis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 18, 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 $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 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 April 22, 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 April 22, 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
9,906 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,906 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,286 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,392 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,683 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 ($198), Delta ($327), and Hawaiian Airlines ($337) offers the cheapest pricing from Ontario to Indianapolis. These flights start at 50% 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 $96. Users have also found prices from $153 and $154 on Alaska Airlines and Delta, 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 $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

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
Carmel
Anderson
Kokomo
Franklin
Plainfield
Crawfordsville
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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$129Average$212FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$296Average$486FlexibilityNo cancel feeOn-time69%
DeltaCheapest$306Average$397FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$321Average$443FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$339Average$429FlexibilityNo cancel feeOn-time63%

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