$132+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ONT
Jul 31 — Aug 71
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 1, 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 1, 2026.
This Frontier deal was found by Cheapflights users on 6/26. 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 6/26![Frontier logo]()
$240
This Booking.com deal was found by Cheapflights users on 6/26. 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 Booking.com 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
Wed 8/199:37 am
ONT
- IND
1 stop8h 37m
Frontier
Deal found 6/26![Frontier logo]()
$287
This Frontier deal was found by Cheapflights users on 6/30. 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 8/258:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Wed 8/269:37 am
ONT
- IND
1 stop8h 37m
Frontier
Deal found 6/30![Frontier logo]()
$290
This Trip.com deal was found by Cheapflights users on 6/26. 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.
Fri 7/318:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Tue 8/46:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 6/26![Frontier logo]()
$294
This Frontier deal was found by Cheapflights users on 6/30. 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 7/218:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Tue 8/256:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 6/30![Frontier logo]()
$300
This Priceline deal was found by Cheapflights users on 6/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:16 pm
IND
- ONT
1 stop6h 39m
Multiple Airlines
Wed 10/286:02 am
ONT
- IND
1 stop8h 07m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$305
This Expedia deal was found by Cheapflights users on 6/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:53 pm
IND
- ONT
1 stop16h 11m
Frontier
Tue 7/286:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 6/26![Frontier logo]()
$310
This Super.com deal was found by Cheapflights users on 6/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Sat 8/1510:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 6/29![Frontier logo]()
$312
This Frontier deal was found by Cheapflights users on 6/28. 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.
Wed 7/228:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Fri 7/316:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 6/28![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 7/1. 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.
Fri 8/78:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Mon 8/108:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 7/1![Frontier logo]()
$318
This Frontier deal was found by Cheapflights users on 6/29. 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 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
Thu 8/2010:49 am
ONT
- IND
1 stop6h 15m
Frontier
Deal found 6/29![Frontier logo]()
$319
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 1, 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 1, 2026.
This Frontier deal was found by Cheapflights users on 7/1. 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 7/158:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Wed 7/228:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 7/1![Frontier logo]()
$330
This Southwest deal was found by Cheapflights users on 6/28. 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.
Sat 8/14:30 pm
IND
- ONT
2 stops9h 10m
Southwest
Sat 8/155:50 am
ONT
- IND
1 stop5h 50m
Southwest
Deal found 6/28![Southwest logo]()
$335
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:00 am
IND
- ONT
2 stops13h 11m
United Airlines
Wed 8/266:08 am
ONT
- IND
1 stop6h 31m
United Airlines
Deal found 6/27![United Airlines logo]()
$432
This Southwest deal was found by Cheapflights users on 6/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:10 pm
IND
- ONT
2 stops8h 55m
Southwest
Sat 8/2910:15 am
ONT
- IND
2 stops8h 30m
Southwest
Deal found 6/27![Southwest logo]()
$337
This Southwest deal was found by Cheapflights users on 6/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:35 am
IND
- ONT
2 stops9h 40m
Southwest
Wed 8/129:05 am
ONT
- IND
2 stops8h 50m
Southwest
Deal found 6/27![Southwest logo]()
$337
This Southwest deal was found by Cheapflights users on 6/28. 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.
Tue 7/285:05 pm
IND
- ONT
2 stops8h 10m
Southwest
Tue 8/49:05 am
ONT
- IND
2 stops8h 50m
Southwest
Deal found 6/28![Southwest logo]()
$340
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:34 pm
IND
- ONT
2 stops10h 27m
United Airlines
Mon 8/247:13 pm
ONT
- IND
2 stops14h 34m
United Airlines
Deal found 6/28![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 6/26. 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.
Thu 8/206:25 am
IND
- ONT
2 stops10h 00m
Southwest
Wed 8/269:05 am
ONT
- IND
2 stops8h 50m
Southwest
Deal found 6/26![Southwest logo]()
$353
Last-minute flights from Indianapolis to OntarioDiscover last-minute flight deals from Indianapolis to Ontario. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Indianapolis to Ontario. Data last updated July 1, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/26. 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 7/188:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Wed 7/228:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 6/26![Frontier logo]()
$324
This Frontier deal was found by Cheapflights users on 6/30. 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 7/218:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Tue 8/256:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 6/30![Frontier logo]()
$300
This Expedia deal was found by Cheapflights users on 6/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:53 pm
IND
- ONT
1 stop16h 11m
Frontier
Tue 7/286:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 6/26![Frontier logo]()
$310
This Frontier deal was found by Cheapflights users on 6/28. 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.
Wed 7/228:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Fri 7/316:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 6/28![Frontier logo]()
$314
This Trip.com deal was found by Cheapflights users on 6/26. 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.
Fri 7/318:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Tue 8/46:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 6/26![Frontier logo]()
$294
This Frontier deal was found by Cheapflights users on 6/30. 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 8/78:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Sun 8/96:00 am
ONT
- IND
1 stop10h 58m
Frontier
Deal found 6/30![Frontier logo]()
$318
This Super.com deal was found by Cheapflights users on 6/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Sat 8/1510:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 6/29![Frontier logo]()
$312
This Frontier deal was found by Cheapflights users on 6/29. 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 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
Thu 8/2010:49 am
ONT
- IND
1 stop6h 15m
Frontier
Deal found 6/29![Frontier logo]()
$319
This Booking.com deal was found by Cheapflights users on 6/26. 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 Booking.com 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
Wed 8/199:37 am
ONT
- IND
1 stop8h 37m
Frontier
Deal found 6/26![Frontier logo]()
$287
This Frontier deal was found by Cheapflights users on 6/28. 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.
Wed 8/198:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Mon 8/246:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 6/28![Frontier logo]()
$304
This Frontier deal was found by Cheapflights users on 6/28. 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.
Tue 8/258:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Tue 9/16:00 am
ONT
- IND
1 stop11h 04m
Frontier
Deal found 6/28![Frontier logo]()
$290
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 1, 2026.
Search for one-way flight options from Indianapolis to Ontario. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Tue 7/288:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 6/26![Frontier logo]()
$132
This Super.com deal was found by Cheapflights users on 6/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 6/29![Frontier logo]()
$143
This Frontier deal was found by Cheapflights users on 6/30. 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 8/188:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 6/30![Frontier logo]()
$145
This Frontier deal was found by Cheapflights users on 6/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:49 pm
IND
- ONT
1 stop6h 01m
Frontier
Deal found 6/27![Frontier logo]()
$146
This Frontier deal was found by Cheapflights users on 6/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:52 pm
IND
- ONT
1 stop12h 03m
Frontier
Deal found 6/27![Frontier logo]()
$151
This Booking.com deal was found by Cheapflights users on 6/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:53 pm
IND
- ONT
1 stop16h 11m
Frontier
Deal found 6/27![Frontier logo]()
$152
This Super.com deal was found by Cheapflights users on 6/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 6/29![Frontier logo]()
$153
This Frontier deal was found by Cheapflights users on 6/28. 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.
Wed 7/298:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 6/28![Frontier logo]()
$155
This Super.com deal was found by Cheapflights users on 6/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 6/28![Frontier logo]()
$156
This Super.com deal was found by Cheapflights users on 6/27. 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 8/68:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 6/27![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 6/30. 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
Deal found 6/30![Frontier logo]()
$159
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 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (Frontier) |
One-way from | $132 (Kiwi.com) |
Popular in | January |
Cheapest in | March |
Average price | $370 |
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 1, 2026.
Use the filters below to find and compare flights from Indianapolis to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 7/15
8:53 pm-11:50 pm
1 stop5h 57m
Ontario
Wed 7/22
8:17 am-9:15 pm
1 stop9h 58m
$330
Quickest round-trip
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Sat 8/1
4:30 pm-10:40 pm
2 stops9h 10m
Ontario
Sat 8/15
5:50 am-2:40 pm
1 stop5h 50m
$335
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Sat 8/22
2:10 pm-8:05 pm
2 stops8h 55m
Ontario
Sat 8/29
10:15 am-9:45 pm
2 stops8h 30m
$337
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Sat 8/8
8:35 am-3:15 pm
2 stops9h 40m
Ontario
Wed 8/12
9:05 am-8:55 pm
2 stops8h 50m
$337
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Tue 7/28
5:05 pm-10:15 pm
2 stops8h 10m
Ontario
Tue 8/4
9:05 am-8:55 pm
2 stops8h 50m
$340
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Thu 8/20
6:25 am-1:25 pm
2 stops10h 00m
Ontario
Wed 8/26
9:05 am-8:55 pm
2 stops8h 50m
$353
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Tue 8/25
8:00 am-6:11 pm
2 stops13h 11m
Ontario
Wed 8/26
6:08 am-3:39 pm
1 stop6h 31m
$432
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 8/19
12:34 pm-8:01 pm
2 stops10h 27m
Ontario
Mon 8/24
7:13 pm-12:47 pm
2 stops14h 34m
$437
Cheapest one-way
Quickest one-way
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Tue 7/28
5:05 pm-10:15 pm
2 stops8h 10m
$172
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Tue 11/17
7:00 am-3:23 pm
2 stops11h 23m
$219
Showing 1-10 of 19 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 |
- Most accurate provider: When it comes to deals on Indianapolis-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Indianapolis-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Indianapolis-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Indianapolis-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Indianapolis-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Indianapolis to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Indianapolis with our price prediction graph.
IND-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Indianapolis to Ontario
How far ahead should I book a flight from Indianapolis to Ontario?
The price you pay for your flight from Indianapolis to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Indianapolis to Ontario?
Currently, March is the cheapest month in which you can book a flight from Indianapolis to Ontario (average of $333). Flying from Indianapolis to Ontario in January is currently the most expensive (average of $571). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Indianapolis to Ontario?
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated July 1, 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.
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
7.9
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Indianapolis to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Indianapolis to Ontario
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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 1, 2026.
Indianapolis and Ontario flights
Browse other Indianapolis and Ontario flight options. Last updated on July 1, 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 1, 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 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$163 | Average$257 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$417 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$271 | Average$379 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$433 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$458 | FlexibilityNo cancel fee | On-time63% |