What’s the fastest layover option from Ontario to Indianapolis?

Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 5h 35m.

What’s the cheapest layover airport for flights from Ontario to Indianapolis?

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $333.

Which airport typically offers the quickest layover for flights from Ontario to Indianapolis?

Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 1h 08m.

What’s the top layover airport for flights from Ontario to Indianapolis?

Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Ontario to Indianapolis on Cheapflights.

How long is the flight from Ontario to Indianapolis?

A quick flight from Ontario to Indianapolis can take about 10h 57m. Frontier provides one of the quickest options available for as low as $230. The distance from Ontario to Indianapolis is about 1763 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

According to our current data, Frontier ($163), Delta ($166), and American Airlines ($292) offers the cheapest pricing from Ontario to Indianapolis. These flights start at 58% 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 $71. Users have also found prices from $97 and $166 on American Airlines and United Airlines, respectively.

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.

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).

What are the most popular airlines that fly from Ontario to Indianapolis?

When booking a flight from Ontario to Indianapolis, you may want to consider flying on Southwest, American Airlines or Frontier as they are the most popular for this route.

Most accurate provider : When it comes to deals on Ontario-Indianapolis flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Ontario-Indianapolis flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.

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.

$74+ Flights from Ontario to Indianapolis

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Find cheap flights from Ontario to Indianapolis 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.

Cheapflights Tip: The best prices from Ontario to Indianapolis are usually found in February or September, booked 17 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap 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 December 4, 2025.

Tue 12/306:45 amONT - IND

1 stop9h 55mFrontier

Fri 1/28:48 pmIND - ONT

1 stop6h 11mFrontier

Deal found 12/2

$217

Tue 12/306:45 amONT - IND

1 stop9h 55mMultiple Airlines

Tue 1/67:19 pmIND - ONT

1 stop22h 49mMultiple Airlines

Deal found 12/3

$229

Thu 12/112:59 pmONT - IND

1 stop22h 35mMultiple Airlines

Mon 12/159:11 pmIND - ONT

2 stops27h 06mMultiple Airlines

Deal found 12/2

$241

Tue 12/306:45 amONT - IND

1 stop9h 55mFrontier

Sat 1/38:38 pmIND - ONT

1 stop6h 21mFrontier

Deal found 12/2

$257

Thu 12/186:45 amONT - IND

1 stop10h 08mFrontier

Thu 12/258:48 pmIND - ONT

1 stop6h 11mFrontier

Deal found 12/3

$258

Fri 12/196:45 amONT - IND

1 stop10h 08mFrontier

Mon 1/128:55 pmIND - ONT

1 stop6h 01mFrontier

Deal found 12/2

$282

Sun 12/216:45 amONT - IND

1 stop10h 08mFrontier

Thu 1/88:55 pmIND - ONT

1 stop6h 01mFrontier

Deal found 12/3

$283

Thu 12/186:45 amONT - IND

1 stop10h 08mFrontier

Thu 1/18:48 pmIND - ONT

1 stop6h 11mFrontier

Deal found 12/3

$307

Mon 12/293:40 pmONT - IND

1 stop6h 10mSouthwest

Tue 1/65:50 amIND - ONT

1 stop6h 30mSouthwest

Deal found 12/3

$313

Best flights from Ontario to Indianapolis
Discover carefully curated flight deals from Ontario to Indianapolis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

Thu 1/86:00 amONT - IND

1 stop11h 00mFrontier

Sun 1/118:55 pmIND - ONT

1 stop6h 01mFrontier

Deal found 12/4

$217

Tue 2/179:53 amONT - IND

2 stops10h 57mAmerican Airlines

Tue 2/2411:16 amIND - ONT

2 stops10h 43mAmerican Airlines

Deal found 12/3

$230

Tue 1/61:53 pmONT - IND

1 stop7h 06mUnited Airlines

Sun 1/183:45 pmIND - ONT

1 stop8h 13mUnited Airlines

Deal found 12/2

$259

Thu 1/157:56 pmONT - IND

2 stops25h 22mMultiple Airlines

Mon 1/198:00 amIND - ONT

1 stop12h 44mMultiple Airlines

Deal found 12/4

$261

Fri 2/2710:20 pmONT - IND

1 stop8h 19mDelta

Mon 3/26:35 amIND - ONT

1 stop8h 32mDelta

Deal found 12/4

$277

Tue 2/177:00 amONT - IND

2 stops32h 56mMultiple Airlines

Thu 2/268:56 pmIND - ONT

1 stop6h 03mMultiple Airlines

Deal found 12/3

$263

Wed 1/2812:41 pmONT - IND

1 stop8h 25mDelta

Thu 1/296:00 amIND - ONT

1 stop8h 31mDelta

Deal found 12/2

$329

Fri 1/1612:57 pmONT - IND

1 stop7h 01mAmerican Airlines

Sun 1/1810:29 amIND - ONT

2 stops8h 36mAmerican Airlines

Deal found 12/4

$330

Thu 1/81:24 pmONT - IND

1 stop5h 51mUnited Airlines

Sat 1/245:05 pmIND - ONT

1 stop7h 53mUnited Airlines

Deal found 12/3

$341

Mon 1/121:53 pmONT - IND

1 stop7h 06mUnited Airlines

Sat 1/245:05 pmIND - ONT

1 stop7h 53mUnited Airlines

Deal found 12/3

$341

Tue 1/65:05 amONT - IND

1 stop6h 34mUnited Airlines

Sat 1/103:45 pmIND - ONT

2 stops10h 08mUnited Airlines

Deal found 12/4

$342

Last-minute flights from Ontario to Indianapolis
Discover last-minute flight deals from Ontario to Indianapolis. Data last updated December 4, 2025 and is based on user searches.

Thu 12/112:59 pmONT - IND

1 stop22h 35mMultiple Airlines

Mon 12/159:11 pmIND - ONT

2 stops27h 06mMultiple Airlines

Deal found 12/2

$241

Thu 12/186:45 amONT - IND

1 stop10h 08mFrontier

Thu 12/258:48 pmIND - ONT

1 stop6h 11mFrontier

Deal found 12/3

$258

Tue 12/306:45 amONT - IND

1 stop9h 55mMultiple Airlines

Tue 1/67:19 pmIND - ONT

1 stop22h 49mMultiple Airlines

Deal found 12/3

$229

Tue 12/306:45 amONT - IND

1 stop9h 55mFrontier

Sat 1/38:38 pmIND - ONT

1 stop6h 21mFrontier

Deal found 12/2

$257

Tue 1/61:53 pmONT - IND

1 stop7h 06mUnited Airlines

Sun 1/183:45 pmIND - ONT

1 stop8h 13mUnited Airlines

Deal found 12/2

$259

Thu 1/86:00 amONT - IND

1 stop11h 00mFrontier

Sun 1/118:55 pmIND - ONT

1 stop6h 01mFrontier

Deal found 12/3

$217

Thu 1/86:00 amONT - IND

1 stop11h 00mFrontier

Sun 1/188:52 pmIND - ONT

1 stop6h 07mFrontier

Deal found 12/3

$237

Thu 1/157:56 pmONT - IND

2 stops25h 22mMultiple Airlines

Mon 1/198:00 amIND - ONT

1 stop12h 44mMultiple Airlines

Deal found 12/4

$261

Thu 1/226:20 amONT - IND

1 stop6h 15mFrontier

Thu 1/294:30 pmIND - ONT

1 stop10h 50mFrontier

Deal found 12/3

$162

Thu 1/222:06 pmONT - IND

2 stops26h 25mMultiple Airlines

Thu 1/294:30 pmIND - ONT

1 stop10h 50mMultiple Airlines

Deal found 12/3

$186

Thu 1/226:20 amONT - IND

1 stop6h 15mFrontier

Sun 1/254:30 pmIND - ONT

1 stop10h 50mFrontier

Deal found 12/3

$200

Thu 1/227:30 amONT - IND

2 stops12h 36mDelta

Thu 1/296:13 amIND - ONT

2 stops10h 43mDelta

Deal found 12/3

$256

One-way flights from Ontario to Indianapolis
Search for one-way flight options from Ontario to Indianapolis. Find affordable one-way fares based on user searches. Data last updated December 4, 2025.

Thu 1/226:20 amONT - IND

1 stop6h 15mFrontier

Deal found 12/2

$74

Fri 1/96:00 amONT - IND

1 stop11h 00mFrontier

Deal found 12/3

$75

Mon 1/126:00 amONT - IND

1 stop11h 00mFrontier

Deal found 12/4

$76

Fri 2/206:00 amONT - IND

1 stop11h 01mFrontier

Deal found 12/2

$80

Wed 1/147:16 amONT - IND

1 stop7h 27mAmerican Airlines

Deal found 12/3

$82

Thu 2/126:00 amONT - IND

1 stop11h 01mFrontier

Deal found 12/2

$83

Thu 1/86:00 amONT - IND

1 stop11h 00mFrontier

Deal found 12/2

$97

Fri 12/266:45 amONT - IND

1 stop10h 08mFrontier

Deal found 12/2

$98

Mon 1/1211:59 pmONT - IND

1 stop8h 42mAmerican Airlines

Deal found 12/4

$104

Thu 1/157:56 pmONT - IND

2 stops25h 22mMultiple Airlines

Deal found 12/4

$106

Find flight deals from Ontario to Indianapolis

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$148 (Priceline)
One-way from	$74 (Frontier)
Popular in	November
Cheapest in	February
Average price	$431

Provider with most accurate pricing for Ontario-Indianapolis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Indianapolis flights.

Search Deals

From Ontario to Indianapolis

Search Deals

One-way flight from Ontario to Indianapolis

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($44 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Indianapolis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 1/8

6:00 am-8:00 pm

1 stop11h 00m

Indianapolis

Sun 1/11

8:55 pm-11:56 pm

1 stop6h 01m

$217

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Tue 2/17

9:53 am-11:50 pm

2 stops10h 57m

Indianapolis

Tue 2/24

11:16 am-6:59 pm

2 stops10h 43m

$230

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Tue 1/6

1:53 pm-11:59 pm

1 stop7h 06m

Indianapolis

Sun 1/18

3:45 pm-8:58 pm

1 stop8h 13m

$259

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 1/15

7:56 pm-12:18 am

2 stops25h 22m

Indianapolis

Mon 1/19

8:00 am-5:44 pm

1 stop12h 44m

$261

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Tue 2/17

7:00 am-6:56 pm

2 stops32h 56m

Indianapolis

Thu 2/26

8:56 pm-11:59 pm

1 stop6h 03m

$263

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 2/27

10:20 pm-9:39 am

1 stop8h 19m

Indianapolis

Mon 3/2

6:35 am-12:07 pm

1 stop8h 32m

$277

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Wed 1/28

12:41 pm-12:06 am

1 stop8h 25m

Indianapolis

Thu 1/29

6:00 am-11:31 am

1 stop8h 31m

$329

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Fri 1/16

12:57 pm-10:58 pm

1 stop7h 01m

Indianapolis

Sun 1/18

10:29 am-4:05 pm

2 stops8h 36m

$330

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Thu 1/8

1:24 pm-10:15 pm

1 stop5h 51m

Indianapolis

Sat 1/24

5:05 pm-9:58 pm

1 stop7h 53m

$341

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

Mon 1/12

1:53 pm-11:59 pm

1 stop7h 06m

Indianapolis

Sat 1/24

5:05 pm-9:58 pm

1 stop7h 53m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 22 results

Compare providers for flights from Ontario to Indianapolis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Indianapolis in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
CheapOair	Price Accuracy3 stars	Trust 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Ontario-Indianapolis flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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

Prices

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

To ensure you get the cheapest price possible for a flight from Ontario to Indianapolis, you should look to book at least 17 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, June is the cheapest month in which you can book a flight from Ontario to Indianapolis (average of $110). Flying from Ontario to Indianapolis in November is currently the most expensive (average of $178). 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?

Unlike in the morning, when flights are generally more expensive, you can save up to 25% on flights from Ontario to Indianapolis by exploring options for tickets in the evening.

Reviews of airlines servicing Indianapolis

Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Ontario to Indianapolis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Southwest

8.0

Very good

4,250 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Delta

7.9

Good

8,011 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

United Airlines

7.4

Good

9,066 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

American Airlines

7.2

Good

11,047 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Frontier

5.8

Fair

3,091 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

How long is the flight from Ontario to Indianapolis?
A quick flight from Ontario to Indianapolis can take about 10h 57m. Frontier provides one of the quickest options available for as low as $230. The distance from Ontario to Indianapolis is about 1763 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Ontario to Indianapolis round-trip?
According to our current data, Frontier ($163), Delta ($166), and American Airlines ($292) offers the cheapest pricing from Ontario to Indianapolis. These flights start at 58% 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 $71. Users have also found prices from $97 and $166 on American Airlines and United 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, June is the cheapest month in which you can book a flight from Ontario to Indianapolis (average of $110). Flying from Ontario to Indianapolis in November is currently the most expensive (average of $178). 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

Terre Haute

Muncie

Noblesville

Fishers

Greenwood

Anderson

Kokomo

Plainfield

Franklin

Carmel

Crawfordsville

Bloomington

Speedway

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Ontario to Indianapolis

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$163	Average$233	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$193	Average$383	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$292	Average$436	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$292	Average$430	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$321	Average$416	FlexibilityNo cancel fee	On-time63%

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$74+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Indianapolis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Ontario to Indianapolis are usually found in February or September, booked 17 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Ontario to Indianapolis

Cheapest flights from Ontario to IndianapolisExplore 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 December 4, 2025.

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 December 4, 2025.

Find flight deals from Ontario to Indianapolis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Indianapolis that are best for you.

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 December.

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.

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?

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

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

What’s the top layover airport for flights from Ontario to Indianapolis?

What’s the cheapest layover airport for flights from Ontario to Indianapolis?

What’s the fastest layover option from Ontario to Indianapolis?

Which airport typically offers the quickest layover for flights from Ontario to Indianapolis?

Reviews of airlines servicing Indianapolis

Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Ontario to Indianapolis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

How long is the flight from Ontario to Indianapolis?

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

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

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

How can I find direct flights from Ontario to Indianapolis?

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

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

Traveling to a place near Indianapolis?

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 5 airlines flying from Ontario to Indianapolis

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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 December 4, 2025.