HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Indianapolis

$82+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IND
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 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 julio 3, 2025.

Round-trip from

$123
(Priceline)

One-way from

$82
(Priceline)

Popular in

December

Cheapest in

February

Average price

$416
From Ontario to Indianapolis
Search Deals
One-way flight from Ontario to Indianapolis
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 julio 3, 2025.

This Priceline deal was found by Cheapflights users on 7/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/78:09 pmONT - IND
1 stop11h 36mFrontier
lun. 8/1111:45 amIND - ONT
1 stop10h 29mFrontier
Deal found 7/1$123

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 julio 3, 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

jue. 8/7

8:09 pm-10:45 am

1 stop11h 36m

Indianapolis

lun. 8/11

11:45 am-7:14 pm

1 stop10h 29m

$123

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

jue. 8/21

6:17 am-11:00 pm

1 stop13h 43m

Indianapolis

mié. 8/27

6:07 am-4:24 pm

1 stop13h 17m

$283

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

jue. 7/10

12:59 am-12:15 pm

1 stop8h 16m

$82

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

sáb. 8/16

8:09 pm-9:12 am

1 stop10h 03m

$118

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

mié. 10/15

6:00 am-6:02 pm

1 stop9h 02m

$171

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

lun. 8/18

10:00 pm-9:04 am

1 stop8h 04m

$172

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

sáb. 11/8

6:00 am-5:41 pm

1 stop8h 41m

$173

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

dom. 8/31

6:04 am-3:42 pm

1 stop6h 38m

$175

OntarioIndianapolis

ONT - IND

ONTIND

Ontario

lun. 8/4

12:55 pm-12:26 am

2 stops8h 31m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 27, 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 julio 3, 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.

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 julio 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

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

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

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 ($123), and American Airlines ($283) offers the cheapest pricing from Ontario to Indianapolis. These flights start at 68% 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 $82. Users have also found prices from $171 and $172 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 $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
Noblesville
Terre Haute
Muncie
Fishers
Anderson
Kokomo
Franklin
Plainfield
Carmel
Crawfordsville
Shelbyville
Speedway

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 Indianapolis

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to O'Hare Intl flights
San Francisco to O'Hare Intl flights
Ontario to O'Hare Intl flights
Santa Ana to O'Hare Intl flights
Burbank to O'Hare Intl flights
San Francisco to Midway flights
San Diego to O'Hare Intl flights
Los Angeles to Midway flights
Oakland to O'Hare Intl flights
San Jose to O'Hare Intl flights
Sacramento to O'Hare Intl flights
Las Vegas to O'Hare Intl flights
Los Angeles to Indianapolis flights
San Diego to Midway flights
Los Angeles to Cincinnati flights
San Francisco to Indianapolis flights
Santa Ana to Midway flights
Ontario to Midway flights
Fresno to O'Hare Intl flights
San Jose to Midway flights
San Diego to Indianapolis flights
Long Beach to O'Hare Intl flights
Las Vegas to Midway flights
Sacramento to Midway flights
Palm Springs to O'Hare Intl flights
Burbank to Midway flights
Oakland to Midway flights
San Francisco to Cincinnati flights
Reno to O'Hare Intl flights
Ontario to Cincinnati flights
Santa Ana to Indianapolis flights
Oakland to Indianapolis flights
Sacramento to Louisville flights
Santa Ana to Cincinnati flights
Ontario to Louisville flights
San Jose to Indianapolis flights
Los Angeles to Louisville flights
Burbank to Indianapolis flights
Las Vegas to Cincinnati flights
Fresno to Midway flights
Las Vegas to Indianapolis flights
Santa Barbara to O'Hare Intl flights
Los Angeles to South Bend flights
San Francisco to Louisville flights
San Luis Obispo to O'Hare Intl flights
Reno to Midway flights
Las Vegas to Louisville flights
Palm Springs to Midway flights
Sacramento to Indianapolis flights

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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$129Average$190FlexibilityNo cancel feeOn-time62%
DeltaCheapest$230Average$396FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$306Average$429FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$330Average$463FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$339Average$418FlexibilityNo 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.