$101+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ONT
Sep 12 — Sep 191
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 August 13, 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 August 13, 2026.
This Frontier deal was found by Cheapflights users on 8/11. 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 10/54:12 pm -
1 stop10h 35m
Tue 10/136:00 am -
1 stop10h 21m
Deal found 8/11![Frontier logo]()
$212
This Frontier deal was found by Cheapflights users on 8/11. 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 9/124:12 pm -
1 stop21h 18m
Sat 9/1911:45 am -
1 stop24h 32m
Deal found 8/11![Frontier logo]()
$213
This Frontier deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:12 pm -
1 stop10h 35m
Sat 9/126:15 am -
1 stop6h 02m
Deal found 8/13![Frontier logo]()
$214
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:49 pm -
1 stop6h 01m
Wed 9/97:11 pm -
1 stop12h 35m
Deal found 8/10![Frontier logo]()
$220
This CheapOair deal was found by Cheapflights users on 8/12. 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.
Thu 9/104:12 pm -
1 stop10h 35m
Mon 9/1411:45 am -
1 stop24h 32m
Deal found 8/12![Frontier logo]()
$223
This Trip.com deal was found by Cheapflights users on 8/12. 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 -
1 stop11h 45m
Tue 9/156:15 am -
1 stop6h 02m
Deal found 8/12![Frontier logo]()
$229
This CheapOair deal was found by Cheapflights users on 8/11. 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 -
1 stop16h 15m
Mon 9/1411:45 am -
1 stop24h 32m
Deal found 8/11![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 8/12. 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 8/318:49 pm -
1 stop6h 01m
Wed 9/29:37 am -
1 stop8h 37m
Deal found 8/12![Frontier logo]()
$236
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:31 am -
1 stop10h 08m
Mon 9/216:15 am -
1 stop6h 02m
Deal found 8/12![Frontier logo]()
$237
This CheapOair deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:49 pm -
1 stop6h 01m
Sat 9/57:56 pm -
1 stop21h 08m
Deal found 8/11![Frontier logo]()
$238
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:12 pm -
1 stop10h 35m
Thu 9/176:15 am -
1 stop10h 46m
Deal found 8/10![Frontier logo]()
$242
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 August 13, 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 August 13, 2026.
This Delta deal was found by Cheapflights users on 8/11. 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.
Thu 10/87:05 am -
1 stop8h 16m
Tue 10/131:24 pm -
1 stop6h 39m
Deal found 8/11![Delta logo]()
$311
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:32 am -
2 stops10h 45m
Thu 9/177:11 pm -
2 stops10h 50m
Deal found 8/12![American Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Thu 9/39:59 pm -
2 stops39h 05m
Tue 9/87:56 pm -
1 stop16h 21m
Deal found 8/12![Frontier logo]()
$338
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Mon 9/2111:38 am -
2 stops13h 21m
Wed 9/231:18 pm -
1 stop5h 55m
Deal found 8/11![United Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 8/10. 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 -
2 stops10h 00m
Mon 9/215:15 am -
2 stops9h 55m
Deal found 8/10![Southwest logo]()
$454
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 9/105:28 pm -
1 stop8h 56m
Mon 9/147:59 pm -
2 stops11h 27m
Deal found 8/12![Alaska Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 8/12. 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.
Thu 10/156:00 am -
1 stop8h 06m
Mon 10/1911:15 pm -
1 stop7h 01m
Deal found 8/12![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 8/11. 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 9/411:50 am -
1 stop9h 40m
Mon 9/710:00 pm -
1 stop8h 36m
Deal found 8/11![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:05 am -
1 stop8h 16m
Sat 10/3112:18 pm -
1 stop9h 17m
Deal found 8/10![Delta logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 9/312:14 pm -
2 stops14h 10m
Tue 9/88:30 am -
2 stops12h 46m
Deal found 8/12![Alaska Airlines logo]()
$540
Last-minute flights from Indianapolis to OntarioDiscover last-minute flight deals from Indianapolis to Ontario. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Indianapolis to Ontario. Data last updated August 13, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/12. 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 8/318:49 pm -
1 stop6h 01m
Wed 9/29:37 am -
1 stop8h 37m
Deal found 8/12![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:49 pm -
1 stop6h 01m
Sat 9/57:56 pm -
1 stop21h 08m
Deal found 8/11![Frontier logo]()
$238
This CheapOair deal was found by Cheapflights users on 8/11. 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 -
1 stop16h 15m
Mon 9/1411:45 am -
1 stop24h 32m
Deal found 8/11![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:49 pm -
1 stop6h 01m
Wed 9/97:11 pm -
1 stop12h 35m
Deal found 8/10![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:12 pm -
1 stop10h 35m
Sat 9/126:15 am -
1 stop6h 02m
Deal found 8/13![Frontier logo]()
$214
This CheapOair deal was found by Cheapflights users on 8/12. 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.
Thu 9/104:12 pm -
1 stop10h 35m
Mon 9/1411:45 am -
1 stop24h 32m
Deal found 8/12![Frontier logo]()
$223
This Trip.com deal was found by Cheapflights users on 8/12. 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 -
1 stop11h 45m
Tue 9/156:15 am -
1 stop6h 02m
Deal found 8/12![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 8/11. 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 9/124:12 pm -
1 stop21h 18m
Sat 9/1911:45 am -
1 stop24h 32m
Deal found 8/11![Frontier logo]()
$212
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:12 pm -
1 stop10h 35m
Thu 9/176:15 am -
1 stop10h 46m
Deal found 8/10![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:31 am -
1 stop10h 08m
Mon 9/216:15 am -
1 stop6h 02m
Deal found 8/12![Frontier logo]()
$237
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 August 13, 2026.
Search for one-way flight options from Indianapolis to Ontario. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Trip.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:52 pm -
1 stop12h 03m
Deal found 8/13![Frontier logo]()
$101
This Super.com deal was found by Cheapflights users on 8/11. 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 10/18:56 pm -
1 stop5h 51m
Deal found 8/11![Frontier logo]()
$105
This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:56 pm -
1 stop5h 51m
Deal found 8/13![Frontier logo]()
$106
This Frontier deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:49 pm -
1 stop6h 01m
Deal found 8/13![Frontier logo]()
$107
This Booking.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:12 pm -
1 stop21h 18m
Deal found 8/13![Frontier logo]()
$112
This Booking.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:12 pm -
1 stop10h 35m
Deal found 8/13![Frontier logo]()
$113
This Booking.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:49 pm -
1 stop6h 01m
Deal found 8/11![Frontier logo]()
$114
This CheapOair deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:58 pm -
1 stop21h 31m
Deal found 8/13![Frontier logo]()
$117
This Trip.com deal was found by Cheapflights users on 8/10. 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 -
1 stop11h 45m
Deal found 8/10![Frontier logo]()
$118
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:49 pm -
1 stop6h 01m
Deal found 8/11![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/1511:21 am -
2 stops26h 09m
Deal found 8/12![Frontier logo]()
$127
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 August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $212 (Frontier) |
One-way from | $101 (Trip.com) |
Popular in | January |
Cheapest in | August |
Average price | $332 |
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 August 13, 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
Quickest round-trip
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Thu 10/8
7:05 am-12:21 pm
1 stop8h 16m
Ontario
Tue 10/13
1:24 pm-11:03 pm
1 stop6h 39m
$311
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Tue 9/15
10:32 am-6:17 pm
2 stops10h 45m
Ontario
Thu 9/17
7:11 pm-9:01 am
2 stops10h 50m
$321
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Thu 10/15
6:00 am-11:06 am
1 stop8h 06m
Ontario
Mon 10/19
11:15 pm-9:16 am
1 stop7h 01m
$329
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Thu 9/3
9:59 pm-10:04 am
2 stops39h 05m
Ontario
Tue 9/8
7:56 pm-3:17 pm
1 stop16h 21m
$338
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Fri 9/4
11:50 am-6:30 pm
1 stop9h 40m
Ontario
Mon 9/7
10:00 pm-9:36 am
1 stop8h 36m
$399
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Mon 10/19
7:05 am-12:21 pm
1 stop8h 16m
Ontario
Sat 10/31
12:18 pm-12:35 am
1 stop9h 17m
$399
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Mon 9/21
11:38 am-9:59 pm
2 stops13h 21m
Ontario
Wed 9/23
1:18 pm-10:13 pm
1 stop5h 55m
$434
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Fri 9/18
6:25 am-1:25 pm
2 stops10h 00m
Ontario
Mon 9/21
5:15 am-6:10 pm
2 stops9h 55m
$454
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Thu 9/10
5:28 pm-11:24 pm
1 stop8h 56m
Ontario
Mon 9/14
7:59 pm-10:26 am
2 stops11h 27m
$503
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Thu 9/3
12:14 pm-11:24 pm
2 stops14h 10m
Ontario
Tue 9/8
8:30 am-12:16 am
2 stops12h 46m
$540
Showing 1-10 of 21 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 August.
| 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 Accuracy1 star | 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, August is the cheapest month in which you can book a flight from Indianapolis to Ontario (average of $332). 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 $250 and $431 in October.The cheapest round-trip price found within the last 5 days was $212 on Frontier (Oct 5-Oct 13).
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 August 13, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Indianapolis to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Indianapolis to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Indianapolis to Ontario
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Complete your trip
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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 August 13, 2026.
Indianapolis and Ontario flights
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Other flights from Indianapolis
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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 August 13, 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$349 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$316 | Average$466 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$329 | Average$451 | FlexibilityNo cancel fee | On-time71% |