$79+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IND
Feb 17 — Feb 241
1 adult, Economy
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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.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 January 18, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $180 (Expedia) |
One-way from | $79 (Trip.com) |
Popular in | March |
Cheapest in | February |
Average price | $441 |
Find 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 January 18, 2026.
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 January 18, 2026.
This Expedia deal was found by Cheapflights users on 1/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:05 am
ONT
- IND
1 stop11h 02m
Frontier
Thu 2/268:42 pm
IND
- ONT
1 stop6h 17m
Frontier
Deal found 1/16![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 1/18. 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 2/56:20 am
ONT
- IND
1 stop6h 15m
Frontier
Sun 2/84:30 pm
IND
- ONT
1 stop10h 50m
Frontier
Deal found 1/18![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:10 am
ONT
- IND
1 stop10h 47m
Frontier
Sun 2/227:31 pm
IND
- ONT
2 stops45h 21m
Frontier
Deal found 1/17![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 1/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:15 am
ONT
- IND
1 stop29h 20m
Frontier
Tue 2/109:13 pm
IND
- ONT
2 stops39h 21m
Frontier
Deal found 1/16![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 1/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:00 am
ONT
- IND
1 stop11h 02m
Frontier
Sun 2/227:31 pm
IND
- ONT
2 stops45h 21m
Frontier
Deal found 1/16![Frontier logo]()
$229
This CheapOair deal was found by Cheapflights users on 1/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:15 am
ONT
- IND
1 stop10h 23m
Frontier
Mon 3/168:38 pm
IND
- ONT
1 stop6h 21m
Frontier
Deal found 1/18![Frontier logo]()
$239
This Frontier deal was found by Cheapflights users on 1/16. 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.
Mon 3/96:15 am
ONT
- IND
1 stop10h 23m
Frontier
Thu 3/128:33 pm
IND
- ONT
1 stop6h 26m
Frontier
Deal found 1/16![Frontier logo]()
$249
This CheapOair deal was found by Cheapflights users on 1/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/16:20 am
ONT
- IND
1 stop6h 15m
Frontier
Fri 2/61:44 pm
IND
- ONT
1 stop13h 36m
Frontier
Deal found 1/17![Frontier logo]()
$251
This United Airlines deal was found by Cheapflights users on 1/16. 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.
Sat 2/141:53 pm
ONT
- IND
1 stop7h 04m
United Airlines
Sat 2/213:42 pm
IND
- ONT
1 stop8h 08m
United Airlines
Deal found 1/16![United Airlines logo]()
$257
This Frontier deal was found by Cheapflights users on 1/17. 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 2/56:20 am
ONT
- IND
1 stop6h 15m
Frontier
Fri 2/138:47 pm
IND
- ONT
1 stop6h 12m
Frontier
Deal found 1/17![Frontier logo]()
$259
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 January 18, 2026.
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
Tue 3/31
1:34 pm-10:45 pm
1 stop6h 11m
Indianapolis
Wed 4/8
6:05 pm-10:26 pm
1 stop7h 21m
$257
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Thu 2/5
6:20 am-3:35 pm
1 stop6h 15m
Indianapolis
Sun 2/15
8:52 pm-11:59 pm
1 stop6h 07m
$260
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Sat 4/25
10:15 pm-8:57 am
1 stop7h 42m
Indianapolis
Wed 4/29
4:45 pm-8:58 pm
1 stop7h 13m
$277
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Sat 4/25
10:15 pm-8:57 am
1 stop7h 42m
Indianapolis
Tue 4/28
7:00 am-12:14 pm
1 stop8h 14m
$277
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Fri 2/13
1:10 pm-12:54 am
1 stop8h 44m
Indianapolis
Tue 2/17
6:35 am-12:07 pm
1 stop8h 32m
$285
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Sat 2/7
1:11 pm-10:49 pm
1 stop6h 38m
Indianapolis
Sun 2/15
6:35 am-12:07 pm
1 stop8h 32m
$285
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Thu 2/12
1:10 pm-10:47 pm
1 stop6h 37m
Indianapolis
Tue 2/17
6:35 am-12:07 pm
1 stop8h 32m
$285
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Fri 4/24
1:43 pm-10:45 pm
1 stop6h 02m
Indianapolis
Tue 4/28
6:05 pm-10:26 pm
1 stop7h 21m
$288
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Tue 4/14
1:20 pm-10:55 pm
1 stop6h 35m
Indianapolis
Sun 4/19
7:00 am-12:14 pm
1 stop8h 14m
$298
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Fri 4/24
12:39 pm-10:32 pm
1 stop6h 53m
Indianapolis
Wed 4/29
7:05 am-11:29 am
1 stop7h 24m
$298
Showing 1-10 of 21 results
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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
More
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 January 16, 2026.
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 January is currently the most expensive (average of $236). 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’s the top layover airport for flights from Ontario to Indianapolis?
Share of 1-stop round-trip flights from Ontario to Indianapolis chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 50% of 1-stop itineraries from Ontario to Indianapolis on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to Indianapolis?
Average round-trip fare for 1-stop flights from Ontario to Indianapolis, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $220.
What’s the fastest layover option from Ontario to Indianapolis?
Shortest average travel time for 1-stop one-way flights from Ontario to Indianapolis, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 5h 35m.
Which airport typically offers the quickest layover for flights from Ontario to Indianapolis?
Average layover duration for 1-stop one-way flights from Ontario to Indianapolis, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 1h 08m.
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 January 18, 2026.
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.
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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.
Traveling to a place near Indianapolis?
Book flights to Indianapolis if you plan to visit one of these locationsTerre Haute
Muncie
Noblesville
Fishers
Greenwood
Plainfield
Anderson
Kokomo
Mooresville
Franklin
Carmel
Crawfordsville
Bloomington
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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
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 January 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$163 | Average$238 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$383 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$292 | Average$427 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$432 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$321 | Average$410 | FlexibilityNo cancel fee | On-time63% |