$127+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ONT
Jun 21 — Jun 281
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 May 22, 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 May 22, 2026.
This Frontier deal was found by Cheapflights users on 5/20. 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.
Tue 8/258:46 pm
IND
- ONT
1 stop6h 03m
Frontier
Tue 9/16:00 am
ONT
- IND
1 stop11h 01m
Frontier
Deal found 5/20![Frontier logo]()
$269
This Booking.com deal was found by Cheapflights users on 5/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:46 pm
IND
- ONT
1 stop16h 19m
Frontier
Tue 8/2510:50 am
ONT
- IND
1 stop6h 11m
Frontier
Deal found 5/20![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 5/21. 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 8/248:46 pm
IND
- ONT
1 stop6h 03m
Frontier
Thu 8/276:00 am
ONT
- IND
1 stop11h 01m
Frontier
Deal found 5/21![Frontier logo]()
$282
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.
Tue 8/188:46 pm
IND
- ONT
1 stop6h 03m
Frontier
Sat 8/226:00 am
ONT
- IND
1 stop11h 01m
Frontier
Deal found 5/18![Frontier logo]()
$284
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 8/2612:14 pm
IND
- ONT
2 stops29h 55m
Frontier
Tue 9/16:00 am
ONT
- IND
1 stop11h 01m
Frontier
Deal found 5/19![Frontier logo]()
$288
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.
Tue 8/188:46 pm
IND
- ONT
1 stop6h 03m
Frontier
Sun 8/236:00 am
ONT
- IND
1 stop11h 01m
Frontier
Deal found 5/18![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 5/20. 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.
Tue 6/168:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Wed 6/176:00 am
ONT
- IND
1 stop11h 06m
Frontier
Deal found 5/20![Frontier logo]()
$291
This Booking.com deal was found by Cheapflights users on 5/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:46 pm
IND
- ONT
1 stop16h 19m
Frontier
Wed 9/210:50 am
ONT
- IND
1 stop6h 11m
Frontier
Deal found 5/20![Frontier logo]()
$294
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Sat 8/86:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 5/18![Frontier logo]()
$298
This Frontier deal was found by Cheapflights users on 5/20. 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 8/138:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Wed 8/196:00 am
ONT
- IND
1 stop11h 01m
Frontier
Deal found 5/20![Frontier logo]()
$299
This Priceline deal was found by Cheapflights users on 5/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Sat 8/810:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 5/21![Frontier logo]()
$300
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 May 22, 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 May 22, 2026.
This Frontier deal was found by Cheapflights users on 5/21. 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 7/138:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Mon 7/208:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 5/21![Frontier logo]()
$390
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:50 am
IND
- ONT
1 stop7h 15m
Delta
Thu 8/2010:00 pm
ONT
- IND
1 stop8h 05m
Delta
Deal found 5/20![Delta logo]()
$408
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:04 am
IND
- ONT
1 stop9h 05m
Alaska Airlines
Mon 8/105:26 pm
ONT
- IND
1 stop9h 18m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$436
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/184:30 pm
IND
- ONT
2 stops8h 30m
Southwest
Sat 8/810:15 am
ONT
- IND
2 stops8h 30m
Southwest
Deal found 5/18![Southwest logo]()
$459
This Trip.com deal was found by Cheapflights users on 5/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/142:34 pm
IND
- ONT
1 stop8h 17m
Multiple Airlines
Thu 6/186:00 am
ONT
- IND
1 stop11h 06m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$465
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:50 am
IND
- ONT
1 stop7h 15m
Delta
Mon 8/1712:55 pm
ONT
- IND
1 stop7h 13m
Delta
Deal found 5/20![Delta logo]()
$421
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.
Mon 7/277:55 am
IND
- ONT
1 stop7h 15m
Delta
Tue 7/2810:00 pm
ONT
- IND
1 stop8h 00m
Delta
Deal found 5/18![Delta logo]()
$436
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:50 am
IND
- ONT
1 stop7h 15m
Delta
Thu 8/2012:55 pm
ONT
- IND
1 stop7h 13m
Delta
Deal found 5/20![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:50 am
IND
- ONT
1 stop7h 15m
Delta
Mon 8/1712:55 pm
ONT
- IND
1 stop7h 13m
Delta
Deal found 5/20![Delta logo]()
$449
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:00 am
IND
- ONT
1 stop7h 40m
Delta
Sat 7/1112:00 pm
ONT
- IND
1 stop9h 20m
Delta
Deal found 5/17![Delta logo]()
$474
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:40 am
IND
- ONT
1 stop7h 30m
Delta
Mon 6/2910:00 pm
ONT
- IND
1 stop9h 18m
Delta
Deal found 5/17![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:50 am
IND
- ONT
1 stop7h 15m
Delta
Fri 8/2112:55 pm
ONT
- IND
1 stop7h 13m
Delta
Deal found 5/20![Delta logo]()
$477
Last-minute flights from Indianapolis to OntarioDiscover last-minute flight deals from Indianapolis to Ontario. Data last updated May 22, 2026 and is based on user searches.
Discover last-minute flight deals from Indianapolis to Ontario. Data last updated May 22, 2026 and is based on user searches.
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.
Tue 6/28:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Sat 6/66:00 am
ONT
- IND
1 stop10h 54m
Frontier
Deal found 5/18![Frontier logo]()
$330
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Tue 6/96:00 am
ONT
- IND
1 stop11h 06m
Frontier
Deal found 5/18![Frontier logo]()
$310
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Sat 6/136:00 am
ONT
- IND
1 stop11h 06m
Frontier
Deal found 5/18![Frontier logo]()
$324
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.
Mon 6/88:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Wed 6/106:00 am
ONT
- IND
1 stop11h 06m
Frontier
Deal found 5/19![Frontier logo]()
$329
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 6/108:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Sat 6/206:00 am
ONT
- IND
1 stop11h 06m
Frontier
Deal found 5/19![Frontier logo]()
$326
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 6/138:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Sat 6/206:00 am
ONT
- IND
1 stop11h 06m
Frontier
Deal found 5/18![Frontier logo]()
$303
This Frontier deal was found by Cheapflights users on 5/20. 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.
Tue 6/168:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Wed 6/176:00 am
ONT
- IND
1 stop11h 06m
Frontier
Deal found 5/20![Frontier logo]()
$291
This Frontier deal was found by Cheapflights users on 5/20. 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.
Tue 6/168:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Thu 6/186:00 am
ONT
- IND
1 stop11h 06m
Frontier
Deal found 5/20![Frontier logo]()
$302
This Frontier deal was found by Cheapflights users on 5/20. 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.
Tue 6/168:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Sat 6/206:00 am
ONT
- IND
1 stop11h 06m
Frontier
Deal found 5/20![Frontier logo]()
$304
This Frontier deal was found by Cheapflights users on 5/20. 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.
Tue 6/168:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Fri 6/1910:50 am
ONT
- IND
1 stop6h 16m
Frontier
Deal found 5/20![Frontier logo]()
$322
This Frontier deal was found by Cheapflights users on 5/21. 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.
Fri 6/268:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Mon 7/68:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 5/21![Frontier logo]()
$318
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 May 22, 2026.
Search for one-way flight options from Indianapolis to Ontario. Find affordable one-way fares based on user searches. Data last updated May 22, 2026.
This Super.com deal was found by Cheapflights users on 5/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/21![Frontier logo]()
$127
This CheapOair deal was found by Cheapflights users on 5/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:46 pm
IND
- ONT
1 stop6h 03m
Frontier
Deal found 5/21![Frontier logo]()
$128
This Trip.com deal was found by Cheapflights users on 5/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:46 pm
IND
- ONT
1 stop6h 03m
Frontier
Deal found 5/21![Frontier logo]()
$133
This CheapOair deal was found by Cheapflights users on 5/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:51 pm
IND
- ONT
1 stop16h 14m
Frontier
Deal found 5/20![Frontier logo]()
$134
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Deal found 5/18![Frontier logo]()
$135
This Booking.com deal was found by Cheapflights users on 5/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:46 pm
IND
- ONT
1 stop20h 11m
Frontier
Deal found 5/21![Frontier logo]()
$139
This Super.com deal was found by Cheapflights users on 5/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Deal found 5/21![Frontier logo]()
$140
This Frontier deal was found by Cheapflights users on 5/21. 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.
Sat 8/88:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 5/21![Frontier logo]()
$141
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:53 pm
IND
- ONT
1 stop16h 10m
Frontier
Deal found 5/17![Frontier logo]()
$145
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:46 pm
IND
- ONT
1 stop16h 19m
Frontier
Deal found 5/19![Frontier logo]()
$146
This Frontier deal was found by Cheapflights users on 5/21. 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.
Wed 10/282:52 pm
IND
- ONT
1 stop12h 03m
Frontier
Deal found 5/21![Frontier logo]()
$147
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 May 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $269 (Frontier) |
One-way from | $127 (Super.com) |
Popular in | December |
Cheapest in | July |
Average price | $358 |
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 May 22, 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
Mon 7/13
8:53 pm-11:50 pm
1 stop5h 57m
Ontario
Mon 7/20
8:17 am-9:15 pm
1 stop9h 58m
$390
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 8/12
7:50 am-12:05 pm
1 stop7h 15m
Ontario
Thu 8/20
10:00 pm-9:05 am
1 stop8h 05m
$408
Quickest round-trip
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Sat 8/15
7:50 am-12:05 pm
1 stop7h 15m
Ontario
Mon 8/17
12:55 pm-11:08 pm
1 stop7h 13m
$421
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 8/5
7:04 am-1:09 pm
1 stop9h 05m
Ontario
Mon 8/10
5:26 pm-5:44 am
1 stop9h 18m
$436
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Mon 7/27
7:55 am-12:10 pm
1 stop7h 15m
Ontario
Tue 7/28
10:00 pm-9:00 am
1 stop8h 00m
$436
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Mon 8/17
7:50 am-12:05 pm
1 stop7h 15m
Ontario
Thu 8/20
12:55 pm-11:08 pm
1 stop7h 13m
$449
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Sun 8/16
7:50 am-12:05 pm
1 stop7h 15m
Ontario
Mon 8/17
12:55 pm-11:08 pm
1 stop7h 13m
$449
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Sat 7/18
4:30 pm-10:00 pm
2 stops8h 30m
Ontario
Sat 8/8
10:15 am-9:45 pm
2 stops8h 30m
$459
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Sun 6/14
2:34 pm-7:51 pm
1 stop8h 17m
Ontario
Thu 6/18
6:00 am-8:06 pm
1 stop11h 06m
$465
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Fri 7/3
6:00 am-10:40 am
1 stop7h 40m
Ontario
Sat 7/11
12:00 pm-12:20 am
1 stop9h 20m
$474
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 May.
| 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 Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
- 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, July is the cheapest month in which you can book a flight from Indianapolis to Ontario (average of $229). Flying from Indianapolis to Ontario in December is currently the most expensive (average of $574). 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 May 22, 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.
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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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Complete your trip
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Search flights from Indianapolis to Ontario by cabin class
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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 May 22, 2026.
Indianapolis and Ontario flights
Browse other Indianapolis and Ontario flight options. Last updated on May 22, 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 May 22, 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 May 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$163 | Average$245 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$416 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$271 | Average$445 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$416 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$445 | FlexibilityNo cancel fee | On-time63% |