$117+ Cheap flights from Indianapolis to Ontario (IND - ONT)
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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ONT
Aug 17 — Aug 241
Round-trip
1 adult, Economy
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Find cheap flights from Indianapolis to Ontario 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 Indianapolis to Ontario
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Cheapest flights from Indianapolis to OntarioExplore the most affordable flight options available from Indianapolis to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.
Explore the most affordable flight options available from Indianapolis to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.
This Super.com deal was found by Cheapflights users on 7/15. 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.
Tue 8/258:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Thu 8/2710:49 am
ONT
- IND
1 stop6h 15m
Frontier
Deal found 7/15![Frontier logo]()
$235
This Super.com deal was found by Cheapflights users on 7/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Sat 8/1510:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 7/16![Frontier logo]()
$237
This Frontier deal was found by Cheapflights users on 7/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Mon 8/246:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/15![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 7/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Sat 8/226:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/15![Frontier logo]()
$241
This CheapOair deal was found by Cheapflights users on 7/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:49 pm
IND
- ONT
1 stop16h 15m
Frontier
Tue 9/156:00 am
ONT
- IND
1 stop10h 21m
Frontier
Deal found 7/14![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 7/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Sat 10/246:00 am
ONT
- IND
1 stop10h 21m
Frontier
Deal found 7/15![Frontier logo]()
$257
This Frontier deal was found by Cheapflights users on 7/17. 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 8/88:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Mon 8/106:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 7/17![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:53 pm
IND
- ONT
1 stop16h 11m
Multiple Airlines
Wed 8/128:58 am
ONT
- IND
2 stops35h 29m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/198:49 pm
IND
- ONT
1 stop6h 01m
Multiple Airlines
Wed 8/263:13 pm
ONT
- IND
2 stops18h 59m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$273
This Frontier deal was found by Cheapflights users on 7/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Sat 10/246:00 am
ONT
- IND
1 stop10h 21m
Frontier
Deal found 7/15![Frontier logo]()
$274
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.
Sun 9/68:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Sat 9/126:00 am
ONT
- IND
1 stop10h 21m
Frontier
Deal found 7/18![Frontier logo]()
$279
Best flights from Indianapolis to OntarioDiscover carefully curated flight deals from Indianapolis to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.
Discover carefully curated flight deals from Indianapolis to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.
This Southwest deal was found by Cheapflights users on 7/16. 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.
Wed 9/167:20 am
IND
- ONT
2 stops8h 20m
Southwest
Tue 9/229:10 am
ONT
- IND
2 stops8h 45m
Southwest
Deal found 7/16![Southwest logo]()
$343
This Delta deal was found by Cheapflights users on 7/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:50 am
IND
- ONT
1 stop7h 26m
Delta
Mon 8/241:06 pm
ONT
- IND
1 stop7h 02m
Delta
Deal found 7/17![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 7/16. 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 9/156:00 am
IND
- ONT
2 stops9h 50m
United Airlines
Sat 9/198:00 am
ONT
- IND
1 stop9h 04m
United Airlines
Deal found 7/16![United Airlines logo]()
$438
This KAYAK deal was found by Cheapflights users on 7/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:29 am
IND
- ONT
1 stop7h 14m
American Airlines
Fri 8/2810:29 am
ONT
- IND
1 stop7h 23m
American Airlines
Deal found 7/13![American Airlines logo]()
$456
This Southwest deal was found by Cheapflights users on 7/16. 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 9/155:00 pm
IND
- ONT
2 stops8h 00m
Southwest
Wed 9/309:10 am
ONT
- IND
2 stops8h 45m
Southwest
Deal found 7/16![Southwest logo]()
$343
This Southwest deal was found by Cheapflights users on 7/15. 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.
Thu 8/206:25 am
IND
- ONT
2 stops10h 00m
Southwest
Mon 8/245:15 am
ONT
- IND
2 stops9h 55m
Southwest
Deal found 7/15![Southwest logo]()
$376
This Delta deal was found by Cheapflights users on 7/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
IND
- ONT
1 stop7h 42m
Delta
Mon 8/241:06 pm
ONT
- IND
1 stop7h 02m
Delta
Deal found 7/17![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Wed 8/1912:34 pm
IND
- ONT
2 stops10h 27m
United Airlines
Mon 8/247:13 pm
ONT
- IND
2 stops14h 34m
United Airlines
Deal found 7/16![United Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 7/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:41 pm
IND
- ONT
1 stop7h 49m
Delta
Mon 8/241:06 pm
ONT
- IND
1 stop7h 02m
Delta
Deal found 7/17![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 7/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:50 am
IND
- ONT
1 stop7h 26m
Delta
Sat 8/227:05 am
ONT
- IND
1 stop7h 40m
Delta
Deal found 7/17![Delta logo]()
$429
This Southwest deal was found by Cheapflights users on 7/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:05 pm
IND
- ONT
2 stops7h 20m
Southwest
Thu 8/138:30 am
ONT
- IND
2 stops7h 00m
Southwest
Deal found 7/14![Southwest logo]()
$469
This Delta deal was found by Cheapflights users on 7/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:02 am
IND
- ONT
1 stop6h 40m
Delta
Sat 8/227:05 am
ONT
- IND
1 stop7h 40m
Delta
Deal found 7/17![Delta logo]()
$459
Last-minute flights from Indianapolis to OntarioDiscover last-minute flight deals from Indianapolis to Ontario. Data last updated July 18, 2026 and is based on user searches.
Discover last-minute flight deals from Indianapolis to Ontario. Data last updated July 18, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Sat 8/86:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 7/15![Frontier logo]()
$257
This Frontier deal was found by Cheapflights users on 7/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Sat 8/810:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 7/15![Frontier logo]()
$274
This Frontier deal was found by Cheapflights users on 7/17. 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 8/88:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Mon 8/106:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 7/17![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:53 pm
IND
- ONT
1 stop16h 11m
Multiple Airlines
Wed 8/128:58 am
ONT
- IND
2 stops35h 29m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$272
This Super.com deal was found by Cheapflights users on 7/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Sat 8/1510:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 7/16![Frontier logo]()
$237
This Frontier deal was found by Cheapflights users on 7/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Tue 8/186:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/14![Frontier logo]()
$279
This Frontier deal was found by Cheapflights users on 7/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Sat 8/226:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/15![Frontier logo]()
$241
This Frontier deal was found by Cheapflights users on 7/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Mon 8/246:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/15![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/198:49 pm
IND
- ONT
1 stop6h 01m
Multiple Airlines
Wed 8/263:13 pm
ONT
- IND
2 stops18h 59m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$273
This Frontier deal was found by Cheapflights users on 7/16. 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.
Thu 8/208:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Sun 8/236:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/16![Frontier logo]()
$250
This Super.com deal was found by Cheapflights users on 7/15. 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.
Tue 8/258:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Thu 8/2710:49 am
ONT
- IND
1 stop6h 15m
Frontier
Deal found 7/15![Frontier logo]()
$235
One-way flights from Indianapolis to OntarioSearch for one-way flight options from Indianapolis to Ontario. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
Search for one-way flight options from Indianapolis to Ontario. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
This Super.com deal was found by Cheapflights users on 7/15. 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.
Wed 8/58:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 7/15![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 7/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Deal found 7/17![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 7/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/16![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 7/17. 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 10/158:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Deal found 7/17![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 7/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Deal found 7/14![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 7/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:52 pm
IND
- ONT
1 stop25h 48m
Frontier
Deal found 7/17![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 7/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:52 pm
IND
- ONT
1 stop12h 03m
Frontier
Deal found 7/15![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 7/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 7/17![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 7/17. 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 9/88:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/17![Frontier logo]()
$130
This CheapOair deal was found by Cheapflights users on 7/15. 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.
Mon 9/288:16 pm
IND
- ONT
1 stop20h 41m
Frontier
Deal found 7/15![Frontier logo]()
$131
This Super.com deal was found by Cheapflights users on 7/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Deal found 7/17![Frontier logo]()
$132
This Super.com deal was found by Cheapflights users on 7/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:16 pm
IND
- ONT
1 stop17h 27m
Frontier
Deal found 7/17![Frontier logo]()
$133
Find flight deals from Indianapolis to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) to Ontario (ONT). 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 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $235 (Super.com) |
One-way from | $117 (Super.com) |
Popular in | January |
Cheapest in | March |
Average price | $435 |
Cheapflights Fare Finder
Customize your flight search to find flights from Indianapolis to Ontario 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 18, 2026.
Use the filters below to find and compare flights from Indianapolis to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 9/16
7:20 am-12:40 pm
2 stops8h 20m
Ontario
Tue 9/22
9:10 am-8:55 pm
2 stops8h 45m
$343
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Tue 9/15
5:00 pm-10:00 pm
2 stops8h 00m
Ontario
Wed 9/30
9:10 am-8:55 pm
2 stops8h 45m
$343
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Thu 8/20
6:25 am-1:25 pm
2 stops10h 00m
Ontario
Mon 8/24
5:15 am-6:10 pm
2 stops9h 55m
$376
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Tue 8/18
7:50 am-12:16 pm
1 stop7h 26m
Ontario
Mon 8/24
1:06 pm-11:08 pm
1 stop7h 02m
$389
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 8/19
6:00 am-10:42 am
1 stop7h 42m
Ontario
Mon 8/24
1:06 pm-11:08 pm
1 stop7h 02m
$419
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Mon 8/17
1:41 pm-6:30 pm
1 stop7h 49m
Ontario
Mon 8/24
1:06 pm-11:08 pm
1 stop7h 02m
$419
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Tue 8/18
7:50 am-12:16 pm
1 stop7h 26m
Ontario
Sat 8/22
7:05 am-5:45 pm
1 stop7h 40m
$429
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Tue 9/15
6:00 am-12:50 pm
2 stops9h 50m
Ontario
Sat 9/19
8:00 am-8:04 pm
1 stop9h 04m
$438
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Sun 8/23
7:29 am-11:43 am
1 stop7h 14m
Ontario
Fri 8/28
10:29 am-8:52 pm
1 stop7h 23m
$456
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 8/19
12:34 pm-8:01 pm
2 stops10h 27m
Ontario
Mon 8/24
7:13 pm-12:47 pm
2 stops14h 34m
$456
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Indianapolis to Ontario
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 Indianapolis to Ontario in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Indianapolis-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Indianapolis-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Indianapolis-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Indianapolis-Ontario 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 Indianapolis-Ontario 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 Indianapolis to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Indianapolis with our price prediction graph.
IND-ONT
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 Indianapolis to Ontario
How far ahead should I book a flight from Indianapolis to Ontario?
The price you pay for your flight from Indianapolis to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Indianapolis to Ontario?
Currently, March is the cheapest month in which you can book a flight from Indianapolis to Ontario (average of $333). Flying from Indianapolis to Ontario in January is currently the most expensive (average of $571). 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 Indianapolis to Ontario?
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated July 18, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Indianapolis to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Indianapolis to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Indianapolis to Ontario
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Complete your trip
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Search flights from Indianapolis to Ontario by cabin class
Find flights from Indianapolis to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 18, 2026.
Indianapolis and Ontario flights
Browse other Indianapolis and Ontario flight options. Last updated on July 18, 2026.
Other flights from Indianapolis
Browse through other flights departing from Indianapolis. Flights are based on user searches made on Cheapflights and were last updated on July 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Indianapolis to Ontario
Discover the top 5 airlines that operate flights from Indianapolis to Ontario. 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$277 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$417 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$271 | Average$379 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$433 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$462 | FlexibilityNo cancel fee | On-time63% |