$109+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IND
Aug 22 — Aug 291
Round-trip
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
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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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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 July 23, 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 July 23, 2026.
This Super.com deal was found by Cheapflights users on 7/22. 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 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
Thu 8/208:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/22![Frontier logo]()
$239
This Frontier deal was found by Cheapflights users on 7/18. 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.
Tue 8/116:00 am
ONT
- IND
1 stop11h 08m
Frontier
Wed 8/128:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 7/18![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 7/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
ONT
- IND
1 stop11h 04m
Frontier
Wed 8/198:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/22![Frontier logo]()
$241
This CheapOair deal was found by Cheapflights users on 7/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:15 am
ONT
- IND
1 stop28h 42m
Frontier
Sat 10/312:52 pm
IND
- ONT
1 stop12h 03m
Frontier
Deal found 7/22![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:55 pm
ONT
- IND
2 stops17h 49m
Frontier
Sat 9/198:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Deal found 7/21![Frontier logo]()
$252
This Frontier deal was found by Cheapflights users on 7/23. 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 10/76:00 am
ONT
- IND
1 stop10h 21m
Frontier
Sat 10/108:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Deal found 7/23![Frontier logo]()
$255
This Frontier deal was found by Cheapflights users on 7/20. 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 10/86:00 am
ONT
- IND
1 stop10h 21m
Frontier
Mon 10/128:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Deal found 7/20![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:59 am
ONT
- IND
2 stops27h 27m
Frontier
Tue 8/258:49 pm
IND
- ONT
1 stop16h 15m
Frontier
Deal found 7/21![Frontier logo]()
$273
This Frontier deal was found by Cheapflights users on 7/19. 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.
Fri 8/218:17 am
ONT
- IND
1 stop9h 57m
Frontier
Wed 8/268:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/19![Frontier logo]()
$279
This Frontier deal was found by Cheapflights users on 7/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
ONT
- IND
1 stop11h 04m
Frontier
Fri 8/218:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/22![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 7/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:37 am
ONT
- IND
1 stop8h 37m
Frontier
Fri 8/218:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/22![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 7/19. 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 8/199:37 am
ONT
- IND
1 stop8h 37m
Frontier
Thu 11/192:52 pm
IND
- ONT
1 stop12h 03m
Frontier
Deal found 7/19![Frontier logo]()
$285
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 July 23, 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 July 23, 2026.
This Frontier deal was found by Cheapflights users on 7/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
ONT
- IND
1 stop11h 08m
Frontier
Wed 8/128:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 7/22![Frontier logo]()
$304
This Delta deal was found by Cheapflights users on 7/23. 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.
Sat 8/227:05 am
ONT
- IND
1 stop7h 40m
Delta
Sat 8/297:50 am
IND
- ONT
1 stop7h 26m
Delta
Deal found 7/23![Delta logo]()
$333
This Southwest deal was found by Cheapflights users on 7/20. 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 8/199:40 am
ONT
- IND
1 stop8h 15m
Southwest
Sat 8/292:15 pm
IND
- ONT
2 stops8h 50m
Southwest
Deal found 7/20![Southwest logo]()
$338
This Expedia deal was found by Cheapflights users on 7/20. 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.
Mon 9/147:12 am
ONT
- IND
2 stops13h 04m
Multiple Airlines
Fri 9/188:16 pm
IND
- ONT
1 stop6h 39m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 9/125:00 am
ONT
- IND
2 stops8h 33m
United Airlines
Fri 9/183:47 pm
IND
- ONT
2 stops10h 04m
United Airlines
Deal found 7/22![United Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 7/20. 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 8/102:40 pm
ONT
- IND
1 stop7h 35m
Southwest
Mon 8/176:25 am
IND
- ONT
2 stops10h 00m
Southwest
Deal found 7/20![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 7/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:00 pm
ONT
- IND
2 stops9h 35m
Southwest
Wed 9/97:30 am
IND
- ONT
2 stops8h 40m
Southwest
Deal found 7/18![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 7/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:20 am
ONT
- IND
1 stop5h 55m
Southwest
Sun 10/186:15 am
IND
- ONT
1 stop7h 00m
Southwest
Deal found 7/18![Southwest logo]()
$418
This Southwest deal was found by Cheapflights users on 7/20. 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 9/141:15 pm
ONT
- IND
2 stops8h 20m
Southwest
Fri 9/186:25 am
IND
- ONT
2 stops10h 00m
Southwest
Deal found 7/20![Southwest logo]()
$428
This Southwest deal was found by Cheapflights users on 7/21. 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.
Thu 12/246:00 am
ONT
- IND
2 stops9h 00m
Southwest
Sun 12/2710:00 pm
IND
- ONT
1 stop13h 10m
Southwest
Deal found 7/21![Southwest logo]()
$436
Last-minute flights from Ontario to IndianapolisDiscover last-minute flight deals from Ontario to Indianapolis. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Indianapolis. Data last updated July 23, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/19. 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 8/56:00 am
ONT
- IND
1 stop11h 08m
Frontier
Mon 8/108:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 7/19![Frontier logo]()
$299
This Frontier deal was found by Cheapflights users on 7/18. 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.
Tue 8/116:00 am
ONT
- IND
1 stop11h 08m
Frontier
Wed 8/128:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 7/18![Frontier logo]()
$240
This Super.com deal was found by Cheapflights users on 7/22. 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 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
Thu 8/208:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/22![Frontier logo]()
$239
This Frontier deal was found by Cheapflights users on 7/21. 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.
Mon 8/178:17 am
ONT
- IND
1 stop9h 58m
Frontier
Wed 8/198:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/21![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 7/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
ONT
- IND
1 stop11h 04m
Frontier
Wed 8/198:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/22![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:59 am
ONT
- IND
2 stops27h 27m
Frontier
Tue 8/258:49 pm
IND
- ONT
1 stop16h 15m
Frontier
Deal found 7/21![Frontier logo]()
$273
This Frontier deal was found by Cheapflights users on 7/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
ONT
- IND
1 stop11h 04m
Frontier
Fri 8/218:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/22![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 7/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:37 am
ONT
- IND
1 stop8h 37m
Frontier
Fri 8/218:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/22![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 7/19. 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 8/199:37 am
ONT
- IND
1 stop8h 37m
Frontier
Thu 11/192:52 pm
IND
- ONT
1 stop12h 03m
Frontier
Deal found 7/19![Frontier logo]()
$285
This Frontier deal was found by Cheapflights users on 7/19. 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.
Fri 8/218:17 am
ONT
- IND
1 stop9h 57m
Frontier
Wed 8/268:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/19![Frontier logo]()
$279
This Frontier deal was found by Cheapflights users on 7/23. 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.
Fri 8/218:17 am
ONT
- IND
1 stop9h 57m
Frontier
Tue 8/258:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/23![Frontier logo]()
$294
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 July 23, 2026.
Search for one-way flight options from Ontario to Indianapolis. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
ONT
- IND
2 stops32h 26m
Frontier
Deal found 7/21![Frontier logo]()
$109
This Super.com deal was found by Cheapflights users on 7/18. 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.
Wed 8/269:37 am
ONT
- IND
1 stop8h 37m
Frontier
Deal found 7/18![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 7/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:49 am
ONT
- IND
1 stop6h 15m
Frontier
Deal found 7/19![Frontier logo]()
$118
This Mytrip deal was found by Cheapflights users on 7/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:49 am
ONT
- IND
1 stop6h 15m
Frontier
Deal found 7/22![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 7/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:37 am
ONT
- IND
1 stop8h 37m
Frontier
Deal found 7/22![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 7/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 am
ONT
- IND
1 stop10h 21m
Frontier
Deal found 7/19![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 7/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/22![Frontier logo]()
$125
This Mytrip deal was found by Cheapflights users on 7/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/22![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 7/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 7/22![Frontier logo]()
$127
This CheapOair deal was found by Cheapflights users on 7/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:38 am
ONT
- IND
1 stop28h 43m
Frontier
Deal found 7/19![Frontier logo]()
$131
This Super.com deal was found by Cheapflights users on 7/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:15 am
ONT
- IND
1 stop28h 42m
Frontier
Deal found 7/22![Frontier logo]()
$133
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 July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $239 (Super.com) |
One-way from | $109 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $426 |
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 July 23, 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
Tue 8/11
6:00 am-8:08 pm
1 stop11h 08m
Indianapolis
Wed 8/12
8:53 pm-11:50 pm
1 stop5h 57m
$304
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Sat 8/22
7:05 am-5:45 pm
1 stop7h 40m
Indianapolis
Sat 8/29
7:50 am-12:16 pm
1 stop7h 26m
$333
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Wed 8/19
9:40 am-8:55 pm
1 stop8h 15m
Indianapolis
Sat 8/29
2:15 pm-8:05 pm
2 stops8h 50m
$338
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Mon 8/10
2:40 pm-1:15 am
1 stop7h 35m
Indianapolis
Mon 8/17
6:25 am-1:25 pm
2 stops10h 00m
$364
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Mon 9/14
7:12 am-11:16 pm
2 stops13h 04m
Indianapolis
Fri 9/18
8:16 pm-11:55 pm
1 stop6h 39m
$394
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Thu 9/3
12:00 pm-12:35 am
2 stops9h 35m
Indianapolis
Wed 9/9
7:30 am-1:10 pm
2 stops8h 40m
$399
Quickest round-trip
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Thu 10/15
8:20 am-5:15 pm
1 stop5h 55m
Indianapolis
Sun 10/18
6:15 am-10:15 am
1 stop7h 00m
$418
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Sat 9/12
5:00 am-4:33 pm
2 stops8h 33m
Indianapolis
Fri 9/18
3:47 pm-10:51 pm
2 stops10h 04m
$420
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Mon 9/14
1:15 pm-12:35 am
2 stops8h 20m
Indianapolis
Fri 9/18
6:25 am-1:25 pm
2 stops10h 00m
$428
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Thu 12/24
6:00 am-6:00 pm
2 stops9h 00m
Indianapolis
Sun 12/27
10:00 pm-8:10 am
1 stop13h 10m
$436
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 July.
| 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 | |
| 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
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 $514). 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?
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 July 23, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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
Kokomo
Plainfield
Fishers
Franklin
Mooresville
Anderson
Crawfordsville
Carmel
Noblesville
Bloomington
Speedway
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Search flights from Ontario to Indianapolis by cabin class
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Other flights to Indianapolis
Explore flights to Indianapolis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Ontario and Indianapolis flights
Browse other Ontario and Indianapolis flight options. Last updated on July 23, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$165 | Average$303 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$183 | Average$357 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$292 | Average$436 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$422 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$448 | FlexibilityNo cancel fee | On-time63% |