$84+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ONT
Mar 5 — Mar 121
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 February 3, 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 February 3, 2026.
This CheapOair deal was found by Cheapflights users on 2/1. 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 2/2310:05 am
IND
- ONT
1 stop7h 25m
Frontier
Thu 2/262:08 pm
ONT
- IND
1 stop26h 39m
Frontier
Deal found 2/1![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:33 pm
IND
- ONT
1 stop30h 26m
Frontier
Tue 3/246:15 am
ONT
- IND
1 stop10h 23m
Frontier
Deal found 2/2![Frontier logo]()
$188
This Expedia deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:05 am
IND
- ONT
1 stop7h 25m
Frontier
Thu 3/56:05 am
ONT
- IND
1 stop10h 52m
Frontier
Deal found 2/2![Frontier logo]()
$193
This Trip.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:52 pm
IND
- ONT
1 stop6h 07m
Frontier
Wed 3/116:15 am
ONT
- IND
1 stop10h 23m
Frontier
Deal found 2/2![Frontier logo]()
$195
This Trip.com deal was found by Cheapflights users on 2/1. 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.
Wed 3/188:33 pm
IND
- ONT
1 stop6h 26m
Frontier
Tue 3/246:15 am
ONT
- IND
1 stop10h 23m
Frontier
Deal found 2/1![Frontier logo]()
$209
This Frontier deal was found by Cheapflights users on 2/1. 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 3/188:33 pm
IND
- ONT
1 stop6h 26m
Frontier
Wed 3/2510:03 pm
ONT
- IND
1 stop11h 51m
Frontier
Deal found 2/1![Frontier logo]()
$210
This Frontier deal was found by Cheapflights users on 2/1. 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 2/268:42 pm
IND
- ONT
1 stop6h 17m
Frontier
Tue 3/106:15 am
ONT
- IND
1 stop10h 23m
Frontier
Deal found 2/1![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 2/1. 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 3/198:33 pm
IND
- ONT
1 stop6h 26m
Frontier
Tue 3/246:15 am
ONT
- IND
1 stop10h 23m
Frontier
Deal found 2/1![Frontier logo]()
$213
This Frontier deal was found by Cheapflights users on 2/1. 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 3/248:33 pm
IND
- ONT
1 stop6h 26m
Frontier
Mon 3/309:49 pm
ONT
- IND
1 stop12h 05m
Frontier
Deal found 2/1![Frontier logo]()
$214
This Frontier deal was found by Cheapflights users on 2/1. 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 2/268:42 pm
IND
- ONT
1 stop6h 17m
Frontier
Sat 3/76:15 am
ONT
- IND
1 stop10h 23m
Frontier
Deal found 2/1![Frontier logo]()
$225
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 February 3, 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 February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:33 pm
IND
- ONT
1 stop30h 26m
Frontier
Tue 3/246:15 am
ONT
- IND
1 stop10h 23m
Frontier
Deal found 2/2![Frontier logo]()
$188
This Delta deal was found by Cheapflights users on 2/1. 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 2/256:35 am
IND
- ONT
1 stop8h 32m
Delta
Tue 3/1010:25 pm
ONT
- IND
1 stop7h 50m
Delta
Deal found 2/1![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 2/1. 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 3/33:29 pm
IND
- ONT
1 stop8h 36m
Delta
Sat 3/710:20 pm
ONT
- IND
1 stop6h 55m
Delta
Deal found 2/1![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 2/1. 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 3/36:35 am
IND
- ONT
1 stop8h 32m
Delta
Wed 3/41:10 pm
ONT
- IND
1 stop6h 37m
Delta
Deal found 2/1![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 2/1. 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 2/256:35 am
IND
- ONT
1 stop8h 32m
Delta
Wed 3/410:20 pm
ONT
- IND
1 stop7h 42m
Delta
Deal found 2/1![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 1/31. 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 3/43:29 pm
IND
- ONT
1 stop8h 36m
Delta
Tue 3/1012:57 pm
ONT
- IND
1 stop7h 47m
Delta
Deal found 1/31![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 2/1. 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 2/256:35 am
IND
- ONT
1 stop8h 32m
Delta
Sat 3/710:20 pm
ONT
- IND
1 stop8h 07m
Delta
Deal found 2/1![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 2/1. 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 2/286:35 am
IND
- ONT
1 stop8h 32m
Delta
Thu 3/51:10 pm
ONT
- IND
1 stop6h 37m
Delta
Deal found 2/1![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 2/1. 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 3/33:29 pm
IND
- ONT
1 stop8h 36m
Delta
Mon 3/910:25 pm
ONT
- IND
1 stop7h 50m
Delta
Deal found 2/1![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 2/1. 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 2/286:35 am
IND
- ONT
1 stop8h 32m
Delta
Mon 3/910:25 pm
ONT
- IND
1 stop7h 50m
Delta
Deal found 2/1![Delta logo]()
$285
This Delta deal was found by Cheapflights users on 2/1. 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 3/187:00 am
IND
- ONT
2 stops13h 13m
Delta
Wed 3/255:53 pm
ONT
- IND
2 stops12h 56m
Delta
Deal found 2/1![Delta logo]()
$288
This Delta deal was found by Cheapflights users on 2/1. 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 2/276:35 am
IND
- ONT
1 stop8h 32m
Delta
Fri 3/61:10 pm
ONT
- IND
1 stop6h 37m
Delta
Deal found 2/1![Delta logo]()
$293
Last-minute flights from Indianapolis to OntarioDiscover last-minute flight deals from Indianapolis to Ontario. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Indianapolis to Ontario. Data last updated February 3, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/1. 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 2/2310:05 am
IND
- ONT
1 stop7h 25m
Frontier
Thu 2/262:08 pm
ONT
- IND
1 stop26h 39m
Frontier
Deal found 2/1![Frontier logo]()
$179
This Frontier deal was found by Cheapflights users on 2/1. 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 2/268:42 pm
IND
- ONT
1 stop6h 17m
Frontier
Tue 3/106:15 am
ONT
- IND
1 stop10h 23m
Frontier
Deal found 2/1![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 2/1. 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 2/268:42 pm
IND
- ONT
1 stop6h 17m
Frontier
Sat 3/76:15 am
ONT
- IND
1 stop10h 23m
Frontier
Deal found 2/1![Frontier logo]()
$225
This Expedia deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:05 am
IND
- ONT
1 stop7h 25m
Frontier
Thu 3/56:05 am
ONT
- IND
1 stop10h 52m
Frontier
Deal found 2/2![Frontier logo]()
$193
This Trip.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:52 pm
IND
- ONT
1 stop6h 07m
Frontier
Wed 3/116:15 am
ONT
- IND
1 stop10h 23m
Frontier
Deal found 2/2![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:33 pm
IND
- ONT
1 stop30h 26m
Frontier
Tue 3/246:15 am
ONT
- IND
1 stop10h 23m
Frontier
Deal found 2/2![Frontier logo]()
$188
This Trip.com deal was found by Cheapflights users on 2/1. 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.
Wed 3/188:33 pm
IND
- ONT
1 stop6h 26m
Frontier
Tue 3/246:15 am
ONT
- IND
1 stop10h 23m
Frontier
Deal found 2/1![Frontier logo]()
$209
This Frontier deal was found by Cheapflights users on 2/1. 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 3/188:33 pm
IND
- ONT
1 stop6h 26m
Frontier
Wed 3/2510:03 pm
ONT
- IND
1 stop11h 51m
Frontier
Deal found 2/1![Frontier logo]()
$210
This Frontier deal was found by Cheapflights users on 2/1. 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 3/198:33 pm
IND
- ONT
1 stop6h 26m
Frontier
Tue 3/246:15 am
ONT
- IND
1 stop10h 23m
Frontier
Deal found 2/1![Frontier logo]()
$213
This Frontier deal was found by Cheapflights users on 2/1. 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 3/248:33 pm
IND
- ONT
1 stop6h 26m
Frontier
Mon 3/309:49 pm
ONT
- IND
1 stop12h 05m
Frontier
Deal found 2/1![Frontier logo]()
$214
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 February 3, 2026.
Search for one-way flight options from Indianapolis to Ontario. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Frontier deal was found by Cheapflights users on 2/3. 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 3/210:05 am
IND
- ONT
1 stop7h 25m
Frontier
Deal found 2/3![Frontier logo]()
$84
This Mytrip deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/108:33 pm
IND
- ONT
1 stop6h 26m
Frontier
Deal found 2/3![Frontier logo]()
$95
This Frontier deal was found by Cheapflights users on 2/2. 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 5/43:50 pm
IND
- ONT
1 stop10h 34m
Frontier
Deal found 2/2![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/168:38 pm
IND
- ONT
1 stop30h 21m
Frontier
Deal found 2/2![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 2/2. 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 3/78:33 pm
IND
- ONT
1 stop6h 26m
Frontier
Deal found 2/2![Frontier logo]()
$107
This Mytrip deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:52 pm
IND
- ONT
1 stop6h 07m
Frontier
Deal found 2/3![Frontier logo]()
$109
This Mytrip deal was found by Cheapflights users on 2/2. 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 3/188:33 pm
IND
- ONT
1 stop6h 26m
Frontier
Deal found 2/2![Frontier logo]()
$116
This Mytrip deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/238:38 pm
IND
- ONT
1 stop6h 21m
Frontier
Deal found 2/3![Frontier logo]()
$119
This Trip.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:14 pm
IND
- ONT
2 stops10h 42m
Frontier
Deal found 1/31![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 2/1. 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 2/208:47 pm
IND
- ONT
1 stop6h 12m
Frontier
Deal found 2/1![Frontier logo]()
$128
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 5/57:10 am
IND
- ONT
1 stop10h 22m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$129
This Frontier deal was found by Cheapflights users on 2/2. 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 4/108:30 pm
IND
- ONT
1 stop6h 26m
Frontier
Deal found 2/2![Frontier logo]()
$130
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 February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $179 (CheapOair) |
One-way from | $84 (Frontier) |
Popular in | December |
Cheapest in | July |
Average price | $398 |
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 February 3, 2026.
Use the filters below to find and compare flights from Indianapolis to Ontario that are best for you.
Fly from
Indianapolis
Fly to
Ontario
Route
Depart
Return
Price
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Tue 3/17
8:33 pm-11:59 pm
1 stop30h 26m
Ontario
Tue 3/24
6:15 am-7:38 pm
1 stop10h 23m
$188
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 2/25
6:35 am-12:07 pm
1 stop8h 32m
Ontario
Tue 3/10
10:25 pm-9:15 am
1 stop7h 50m
$277
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Tue 3/3
3:29 pm-9:05 pm
1 stop8h 36m
Ontario
Sat 3/7
10:20 pm-8:15 am
1 stop6h 55m
$277
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Tue 3/3
6:35 am-12:07 pm
1 stop8h 32m
Ontario
Wed 3/4
1:10 pm-10:47 pm
1 stop6h 37m
$277
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 2/25
6:35 am-12:07 pm
1 stop8h 32m
Ontario
Wed 3/4
10:20 pm-9:02 am
1 stop7h 42m
$277
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 3/4
3:29 pm-9:05 pm
1 stop8h 36m
Ontario
Tue 3/10
12:57 pm-11:44 pm
1 stop7h 47m
$277
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 2/25
6:35 am-12:07 pm
1 stop8h 32m
Ontario
Sat 3/7
10:20 pm-9:27 am
1 stop8h 07m
$277
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Sat 2/28
6:35 am-12:07 pm
1 stop8h 32m
Ontario
Thu 3/5
1:10 pm-10:47 pm
1 stop6h 37m
$285
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Tue 3/3
3:29 pm-9:05 pm
1 stop8h 36m
Ontario
Mon 3/9
10:25 pm-9:15 am
1 stop7h 50m
$285
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Sat 2/28
6:35 am-12:07 pm
1 stop8h 32m
Ontario
Mon 3/9
10:25 pm-9:15 am
1 stop7h 50m
$285
Showing 1-10 of 21 results
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 February.
| 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 Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| 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?
Use this chart to determine the optimal time to book a round-trip flight from Indianapolis to Ontario. Price data was last updated on January 30, 2026.
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 15 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, August is the cheapest month in which you can book a flight from Indianapolis to Ontario (average of $96). Flying from Indianapolis to Ontario in January is currently the most expensive (average of $175). 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.
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 February 3, 2026.
See what other customers who have flown with Southwest, Delta, and United 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.
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Indianapolis to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$163 | Average$229 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$183 | Average$342 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$271 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$316 | Average$417 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$324 | Average$416 | FlexibilityNo cancel fee | On-time71% |