$119+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ONT
Aug 28 — Sep 41
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 29, 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 29, 2026.
This Frontier deal was found by Cheapflights users on 7/26. 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 7/26![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Mon 8/246:11 pm
IND
- ONT
2 stops32h 39m
Frontier
Mon 8/316:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/25![Frontier logo]()
$251
This CheapOair deal was found by Cheapflights users on 7/28. 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 10/54:12 pm
IND
- ONT
1 stop10h 35m
Frontier
Mon 10/262:55 pm
ONT
- IND
1 stop20h 02m
Frontier
Deal found 7/28![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 7/26. 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 9/1511:45 am
ONT
- IND
1 stop24h 32m
Frontier
Deal found 7/26![Frontier logo]()
$261
This Frontier deal was found by Cheapflights users on 7/26. 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 8/178:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Wed 8/199:37 am
ONT
- IND
1 stop8h 37m
Frontier
Deal found 7/26![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 7/26. 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 8/288:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Mon 8/318:17 am
ONT
- IND
1 stop9h 57m
Frontier
Deal found 7/26![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Wed 10/146:00 am
ONT
- IND
1 stop25h 30m
Frontier
Deal found 7/25![Frontier logo]()
$273
This CheapOair deal was found by Cheapflights users on 7/26. 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 9/144:12 pm
IND
- ONT
1 stop10h 35m
Frontier
Fri 9/1811:45 am
ONT
- IND
1 stop24h 32m
Frontier
Deal found 7/26![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:11 pm
IND
- ONT
2 stops27h 50m
Frontier
Thu 9/310:49 am
ONT
- IND
1 stop6h 15m
Frontier
Deal found 7/24![Frontier logo]()
$283
This Trip.com deal was found by Cheapflights users on 7/28. 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.
Fri 10/238:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Mon 11/26:15 am
ONT
- IND
1 stop28h 42m
Frontier
Deal found 7/28![Frontier logo]()
$285
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 29, 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 29, 2026.
This CheapOair 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 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 7/23![Frontier logo]()
$251
This Southwest deal was found by Cheapflights users on 7/25. 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 10/128:55 pm
IND
- ONT
1 stop5h 50m
Southwest
Sat 10/176:20 am
ONT
- IND
1 stop5h 45m
Southwest
Deal found 7/25![Southwest logo]()
$333
This Booking.com deal was found by Cheapflights users on 7/24. 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.
Thu 9/175:28 pm
IND
- ONT
2 stops25h 42m
Alaska Airlines
Mon 9/216:02 am
ONT
- IND
1 stop20h 11m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$432
This United Airlines 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 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 7/23![United Airlines logo]()
$438
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:16 pm
IND
- ONT
1 stop17h 27m
Frontier
Sun 10/258:07 am
ONT
- IND
1 stop10h 13m
Frontier
Deal found 7/23![Frontier logo]()
$366
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:20 am
IND
- ONT
1 stop9h 30m
Southwest
Tue 10/135:40 am
ONT
- IND
1 stop5h 50m
Southwest
Deal found 7/28![Southwest logo]()
$381
This Southwest deal was found by Cheapflights users on 7/26. 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 9/84:25 pm
IND
- ONT
2 stops7h 35m
Southwest
Wed 9/166:40 am
ONT
- IND
2 stops8h 50m
Southwest
Deal found 7/26![Southwest logo]()
$391
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 8/196:00 am
IND
- ONT
2 stops16h 03m
Alaska Airlines
Mon 8/243:07 pm
ONT
- IND
2 stops16h 13m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/297:00 am
IND
- ONT
2 stops11h 41m
United Airlines
Mon 8/315:00 am
ONT
- IND
1 stop6h 41m
United Airlines
Deal found 7/26![United Airlines logo]()
$443
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:25 am
IND
- ONT
2 stops10h 00m
Southwest
Mon 9/2112:00 pm
ONT
- IND
2 stops9h 40m
Southwest
Deal found 7/25![Southwest logo]()
$391
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:25 am
IND
- ONT
2 stops10h 00m
Southwest
Mon 8/3112:00 pm
ONT
- IND
2 stops9h 35m
Southwest
Deal found 7/28![Southwest logo]()
$391
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:25 am
IND
- ONT
2 stops10h 00m
Southwest
Thu 9/35:15 am
ONT
- IND
2 stops9h 55m
Southwest
Deal found 7/24![Southwest logo]()
$424
Last-minute flights from Indianapolis to OntarioDiscover last-minute flight deals from Indianapolis to Ontario. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Indianapolis to Ontario. Data last updated July 29, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/26. 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
Mon 8/316:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/26![Frontier logo]()
$309
This CheapOair deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:33 pm
IND
- ONT
1 stop15h 31m
Frontier
Mon 8/316:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/26![Frontier logo]()
$310
This Frontier deal was found by Cheapflights users on 7/26. 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 8/178:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Wed 8/199:37 am
ONT
- IND
1 stop8h 37m
Frontier
Deal found 7/26![Frontier logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Mon 8/1712:20 pm
IND
- ONT
2 stops33h 41m
Frontier
Sat 8/226:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/28![Frontier logo]()
$302
This Frontier deal was found by Cheapflights users on 7/26. 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 7/26![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 7/24. 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 8/218:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Tue 8/256:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/24![Frontier logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Mon 8/246:11 pm
IND
- ONT
2 stops32h 39m
Frontier
Mon 8/316:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/25![Frontier logo]()
$251
This Frontier deal was found by Cheapflights users on 7/26. 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 8/278:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Sun 8/306:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 7/26![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 7/26. 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 8/288:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Mon 8/318:17 am
ONT
- IND
1 stop9h 57m
Frontier
Deal found 7/26![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:11 pm
IND
- ONT
2 stops27h 50m
Frontier
Thu 9/310:49 am
ONT
- IND
1 stop6h 15m
Frontier
Deal found 7/24![Frontier logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:49 pm
IND
- ONT
1 stop16h 15m
Frontier
Sun 8/3010:49 am
ONT
- IND
1 stop6h 15m
Frontier
Deal found 7/28![Frontier logo]()
$300
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 29, 2026.
Search for one-way flight options from Indianapolis to Ontario. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
This Trip.com deal was found by Cheapflights users on 7/29. 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 8/308:49 pm
IND
- ONT
1 stop16h 15m
Frontier
Deal found 7/29![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Mon 9/2112:39 pm
IND
- ONT
2 stops38h 08m
Frontier
Deal found 7/26![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 7/27. 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 9/178:56 pm
IND
- ONT
1 stop5h 51m
Frontier
Deal found 7/27![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 7/25. 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 8/268:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 7/25![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:11 pm
IND
- ONT
2 stops32h 39m
Frontier
Deal found 7/28![Frontier logo]()
$126
This Trip.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:12 pm
IND
- ONT
1 stop10h 35m
Frontier
Deal found 7/26![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 7/26. 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 10/282:52 pm
IND
- ONT
1 stop12h 03m
Frontier
Deal found 7/26![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 7/28. 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 9/144:12 pm
IND
- ONT
1 stop10h 35m
Frontier
Deal found 7/28![Frontier logo]()
$131
This Super.com deal was found by Cheapflights users on 7/26. 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 10/108:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Deal found 7/26![Frontier logo]()
$136
This Super.com deal was found by Cheapflights users on 7/27. 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 10/268:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Deal found 7/27![Frontier logo]()
$137
This Trip.com deal was found by Cheapflights users on 7/28. 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.
Fri 9/113:02 pm
IND
- ONT
1 stop11h 45m
Frontier
Deal found 7/28![Frontier logo]()
$139
This Super.com deal was found by Cheapflights users on 7/26. 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 11/102:52 pm
IND
- ONT
1 stop12h 03m
Frontier
Deal found 7/26![Frontier logo]()
$142
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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $250 (Frontier) |
One-way from | $119 (Trip.com) |
Popular in | January |
Cheapest in | March |
Average price | $476 |
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 29, 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 9/7
8:49 pm-10:04 am
1 stop16h 15m
Ontario
Tue 9/15
6:00 am-7:21 pm
1 stop10h 21m
$251
Quickest round-trip
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Mon 10/12
8:55 pm-11:45 pm
1 stop5h 50m
Ontario
Sat 10/17
6:20 am-3:05 pm
1 stop5h 45m
$333
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Sun 10/18
8:16 pm-10:43 am
1 stop17h 27m
Ontario
Sun 10/25
8:07 am-9:20 pm
1 stop10h 13m
$366
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Fri 10/9
6:20 am-12:50 pm
1 stop9h 30m
Ontario
Tue 10/13
5:40 am-2:30 pm
1 stop5h 50m
$381
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Tue 9/8
4:25 pm-9:00 pm
2 stops7h 35m
Ontario
Wed 9/16
6:40 am-6:30 pm
2 stops8h 50m
$391
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Fri 9/18
6:25 am-1:25 pm
2 stops10h 00m
Ontario
Mon 9/21
12:00 pm-12:40 am
2 stops9h 40m
$391
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Fri 8/28
6:25 am-1:25 pm
2 stops10h 00m
Ontario
Mon 8/31
12:00 pm-12:35 am
2 stops9h 35m
$391
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Fri 8/28
6:25 am-1:25 pm
2 stops10h 00m
Ontario
Thu 9/3
5:15 am-6:10 pm
2 stops9h 55m
$424
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Thu 9/17
5:28 pm-4:10 pm
2 stops25h 42m
Ontario
Mon 9/21
6:02 am-5:13 am
1 stop20h 11m
$432
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
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
Prices
More
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?
Airfare is below average for this route at the moment.
Indianapolis to Ontario flights typically cost between $318 and $466 in August.The cheapest round-trip price found within the last 5 days was $250 on Frontier (Aug 19-Aug 24).
What’s the top layover airport for flights from Indianapolis to Ontario?
Share of 1-stop round-trip flights from Indianapolis to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 86% of 1-stop itineraries from Indianapolis to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Indianapolis to Ontario?
Average round-trip fare for 1-stop flights from Indianapolis to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $245.
What’s the fastest layover option from Indianapolis to Ontario?
Shortest average travel time for 1-stop one-way flights from Indianapolis to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 5h 29m.
Which airport typically offers the quickest layover for flights from Indianapolis to Ontario?
Average layover duration for 1-stop one-way flights from Indianapolis to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 0h 48m.
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 29, 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.
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
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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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
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 29, 2026.
Indianapolis and Ontario flights
Browse other Indianapolis and Ontario flight options. Last updated on July 29, 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 29, 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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$318 | 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$436 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$462 | FlexibilityNo cancel fee | On-time63% |