$128+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IND
Jun 18 — Jun 251
Round-trip
1 adult, Economy
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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
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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
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Best
Last-minute
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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 May 19, 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 May 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 8/263:34 pm
ONT
- IND
1 stop18h 38m
Multiple Airlines
Tue 9/18:46 pm
IND
- ONT
2 stops21h 23m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$254
This CheapOair deal was found by Cheapflights users on 5/17. 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.
Wed 8/1210:49 am
ONT
- IND
1 stop6h 19m
Frontier
Sat 8/158:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 5/17![Frontier logo]()
$284
This Expedia deal was found by Cheapflights users on 5/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:00 am
ONT
- IND
1 stop11h 06m
Frontier
Tue 6/238:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/17![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 5/17. 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.
Tue 6/210:50 am
ONT
- IND
1 stop6h 04m
Frontier
Tue 6/98:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/17![Frontier logo]()
$290
This Trip.com deal was found by Cheapflights users on 5/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:49 am
ONT
- IND
1 stop6h 19m
Frontier
Tue 8/188:46 pm
IND
- ONT
1 stop6h 03m
Frontier
Deal found 5/17![Frontier logo]()
$291
This Gotogate deal was found by Cheapflights users on 5/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:00 am
ONT
- IND
1 stop11h 08m
Frontier
Tue 8/118:53 pm
IND
- ONT
1 stop16h 10m
Frontier
Deal found 5/14![Frontier logo]()
$293
This CheapOair deal was found by Cheapflights users on 5/15. 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.
Wed 8/266:00 am
ONT
- IND
1 stop11h 01m
Frontier
Sat 8/298:46 pm
IND
- ONT
1 stop16h 19m
Frontier
Deal found 5/15![Frontier logo]()
$294
This Frontier deal was found by Cheapflights users on 5/17. 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.
Sat 7/1110:49 am
ONT
- IND
1 stop6h 19m
Frontier
Sat 7/188:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 5/17![Frontier logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 7/293:40 pm
ONT
- IND
1 stop28h 22m
Multiple Airlines
Tue 8/48:53 pm
IND
- ONT
1 stop16h 10m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$299
This Expedia deal was found by Cheapflights users on 5/16. 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.
Sat 6/136:00 am
ONT
- IND
1 stop11h 06m
Frontier
Sat 6/208:51 pm
IND
- ONT
1 stop16h 14m
Frontier
Deal found 5/16![Frontier logo]()
$303
Best flights from Ontario to IndianapolisDiscover 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 May 19, 2026.
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 May 19, 2026.
This Delta deal was found by Cheapflights users on 5/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:00 pm
ONT
- IND
1 stop6h 59m
Delta
Wed 7/297:55 am
IND
- ONT
1 stop7h 15m
Delta
Deal found 5/18![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 5/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:30 am
ONT
- IND
1 stop7h 25m
Southwest
Mon 8/38:00 pm
IND
- ONT
1 stop6h 30m
Southwest
Deal found 5/16![Southwest logo]()
$436
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Tue 8/259:15 am
ONT
- IND
1 stop7h 49m
United Airlines
Wed 8/2612:37 pm
IND
- ONT
2 stops10h 24m
United Airlines
Deal found 5/16![United Airlines logo]()
$500
This Delta deal was found by Cheapflights users on 5/19. 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.
Thu 8/612:55 pm
ONT
- IND
1 stop7h 13m
Delta
Wed 8/196:00 am
IND
- ONT
1 stop7h 42m
Delta
Deal found 5/19![Delta logo]()
$408
This Southwest deal was found by Cheapflights users on 5/19. 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.
Fri 6/261:20 pm
ONT
- IND
2 stops9h 20m
Southwest
Tue 6/307:45 pm
IND
- ONT
1 stop6h 00m
Southwest
Deal found 5/19![Southwest logo]()
$441
This Southwest deal was found by Cheapflights users on 5/19. 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.
Wed 7/299:55 am
ONT
- IND
2 stops10h 40m
Southwest
Sun 8/29:35 pm
IND
- ONT
1 stop5h 30m
Southwest
Deal found 5/19![Southwest logo]()
$441
This Delta deal was found by Cheapflights users on 5/15. 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 7/1910:00 pm
ONT
- IND
1 stop8h 00m
Delta
Mon 7/277:55 am
IND
- ONT
1 stop7h 15m
Delta
Deal found 5/15![Delta logo]()
$477
This Southwest deal was found by Cheapflights users on 5/15. 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.
Mon 6/2212:00 pm
ONT
- IND
2 stops10h 40m
Southwest
Tue 6/238:05 pm
IND
- ONT
1 stop5h 55m
Southwest
Deal found 5/15![Southwest logo]()
$441
This Southwest deal was found by Cheapflights users on 5/15. 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.
Mon 6/2212:00 pm
ONT
- IND
2 stops10h 40m
Southwest
Wed 7/155:05 pm
IND
- ONT
2 stops8h 05m
Southwest
Deal found 5/15![Southwest logo]()
$446
This Southwest deal was found by Cheapflights users on 5/19. 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.
Mon 6/85:15 am
ONT
- IND
1 stop7h 10m
Southwest
Tue 6/95:05 pm
IND
- ONT
2 stops8h 05m
Southwest
Deal found 5/19![Southwest logo]()
$501
Last-minute flights from Ontario to IndianapolisDiscover last-minute flight deals from Ontario to Indianapolis. Data last updated May 19, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Indianapolis. Data last updated May 19, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 5/17. 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.
Sat 5/3010:50 am
ONT
- IND
1 stop6h 04m
Frontier
Tue 6/98:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/17![Frontier logo]()
$340
This Frontier deal was found by Cheapflights users on 5/17. 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.
Mon 6/16:00 am
ONT
- IND
1 stop10h 54m
Frontier
Tue 6/98:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/17![Frontier logo]()
$310
This Trip.com deal was found by Cheapflights users on 5/15. 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.
Mon 6/16:00 am
ONT
- IND
1 stop10h 54m
Multiple Airlines
Thu 6/42:34 pm
IND
- ONT
1 stop7h 58m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$343
This Frontier deal was found by Cheapflights users on 5/17. 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.
Tue 6/210:50 am
ONT
- IND
1 stop6h 04m
Frontier
Tue 6/98:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/17![Frontier logo]()
$290
This Trip.com deal was found by Cheapflights users on 5/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:00 am
ONT
- IND
1 stop10h 54m
Frontier
Mon 6/88:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Deal found 5/17![Frontier logo]()
$339
This Frontier deal was found by Cheapflights users on 5/18. 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.
Wed 6/106:00 am
ONT
- IND
1 stop11h 06m
Frontier
Tue 6/168:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/18![Frontier logo]()
$334
This Expedia deal was found by Cheapflights users on 5/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:00 am
ONT
- IND
1 stop11h 06m
Frontier
Tue 6/238:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/17![Frontier logo]()
$289
This Expedia deal was found by Cheapflights users on 5/16. 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.
Sat 6/136:00 am
ONT
- IND
1 stop11h 06m
Frontier
Sat 6/208:51 pm
IND
- ONT
1 stop16h 14m
Frontier
Deal found 5/16![Frontier logo]()
$303
This CheapOair deal was found by Cheapflights users on 5/17. 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.
Sat 6/136:00 am
ONT
- IND
1 stop11h 06m
Frontier
Wed 8/58:53 pm
IND
- ONT
1 stop16h 10m
Frontier
Deal found 5/17![Frontier logo]()
$320
This Frontier deal was found by Cheapflights users on 5/18. 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.
Sat 6/206:00 am
ONT
- IND
1 stop11h 06m
Frontier
Tue 6/308:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/18![Frontier logo]()
$329
One-way flights from Ontario to IndianapolisSearch for one-way flight options from Ontario to Indianapolis. Find affordable one-way fares based on user searches. Data last updated May 19, 2026.
Search for one-way flight options from Ontario to Indianapolis. Find affordable one-way fares based on user searches. Data last updated May 19, 2026.
This Frontier deal was found by Cheapflights users on 5/19. 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.
Wed 8/1210:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 5/19![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 7/293:40 pm
ONT
- IND
1 stop28h 22m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$133
This Frontier deal was found by Cheapflights users on 5/19. 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.
Wed 8/196:00 am
ONT
- IND
1 stop11h 01m
Frontier
Deal found 5/19![Frontier logo]()
$134
This Frontier deal was found by Cheapflights users on 5/17. 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.
Wed 9/210:50 am
ONT
- IND
1 stop6h 11m
Frontier
Deal found 5/17![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:00 am
ONT
- IND
1 stop11h 06m
Frontier
Deal found 5/18![Frontier logo]()
$137
This Trip.com deal was found by Cheapflights users on 5/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:50 am
ONT
- IND
1 stop6h 11m
Frontier
Deal found 5/17![Frontier logo]()
$138
This FlightHub deal was found by Cheapflights users on 5/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 5/15![Frontier logo]()
$139
This Super.com deal was found by Cheapflights users on 5/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 5/15![Frontier logo]()
$143
This Mytrip deal was found by Cheapflights users on 5/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:35 pm
ONT
- IND
1 stop20h 22m
Frontier
Deal found 5/15![Frontier logo]()
$145
Find 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 May 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $254 (Kiwi.com) |
One-way from | $128 (Frontier) |
Popular in | June |
Cheapest in | February |
Average price | $398 |
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 May 19, 2026.
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
Cheapest round-trip
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Wed 7/22
1:00 pm-10:59 pm
1 stop6h 59m
Indianapolis
Wed 7/29
7:55 am-12:10 pm
1 stop7h 15m
$395
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Thu 8/6
12:55 pm-11:08 pm
1 stop7h 13m
Indianapolis
Wed 8/19
6:00 am-10:42 am
1 stop7h 42m
$408
Quickest round-trip
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Tue 7/28
11:30 am-9:55 pm
1 stop7h 25m
Indianapolis
Mon 8/3
8:00 pm-11:30 pm
1 stop6h 30m
$436
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Fri 6/26
1:20 pm-1:40 am
2 stops9h 20m
Indianapolis
Tue 6/30
7:45 pm-10:45 pm
1 stop6h 00m
$441
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Wed 7/29
9:55 am-11:35 pm
2 stops10h 40m
Indianapolis
Sun 8/2
9:35 pm-12:05 am
1 stop5h 30m
$441
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Mon 6/22
12:00 pm-1:40 am
2 stops10h 40m
Indianapolis
Tue 6/23
8:05 pm-11:00 pm
1 stop5h 55m
$441
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Mon 6/22
12:00 pm-1:40 am
2 stops10h 40m
Indianapolis
Wed 7/15
5:05 pm-10:10 pm
2 stops8h 05m
$446
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Sun 7/19
10:00 pm-9:00 am
1 stop8h 00m
Indianapolis
Mon 7/27
7:55 am-12:10 pm
1 stop7h 15m
$477
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Tue 8/25
9:15 am-8:04 pm
1 stop7h 49m
Indianapolis
Wed 8/26
12:37 pm-8:01 pm
2 stops10h 24m
$500
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Mon 6/8
5:15 am-3:25 pm
1 stop7h 10m
Indianapolis
Tue 6/9
5:05 pm-10:10 pm
2 stops8h 05m
$501
Showing 1-10 of 22 resultsSorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Ontario-Indianapolis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Indianapolis flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
ONT-IND
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?
To ensure you get the cheapest price possible for a flight from Ontario to Indianapolis, you should look to book at least 21 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, February is the cheapest month in which you can book a flight from Ontario to Indianapolis (average of $256). Flying from Ontario to Indianapolis in June is currently the most expensive (average of $436). 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.
How much does it cost to fly round-trip from Ontario to Indianapolis?
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.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $376.
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 Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 5h 20m.
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 Denver (DEN) 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 May 19, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican 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.
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Food
7.0
Entertainment
7.5
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
Greenwood
Fishers
Kokomo
Plainfield
Mooresville
Anderson
Franklin
Carmel
Noblesville
Bloomington
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Top 4 airlines flying from Ontario to Indianapolis
Discover the top 4 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 May 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$248 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$292 | Average$427 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$436 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$321 | Average$436 | FlexibilityNo cancel fee | On-time63% |