$122+ Cheap flights from Indianapolis to Ontario (IND - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ONT
Nov 9 — Nov 161
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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Last-minute
One-way
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 October 10, 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 October 10, 2026.
This Frontier deal was found by Cheapflights users on 10/8. 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 11/2410:30 pm -
1 stop10h 50m
Wed 12/26:00 am -
1 stop6h 08m
Deal found 10/8![Frontier logo]()
$248
This CheapOair deal was found by Cheapflights users on 10/6. 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 11/123:58 pm -
1 stop21h 44m
Mon 11/166:30 am -
1 stop5h 38m
Deal found 10/6![Frontier logo]()
$258
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:58 pm -
1 stop21h 44m
Tue 11/176:30 am -
1 stop5h 38m
Deal found 10/7![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 10/8. 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 11/264:37 pm -
1 stop10h 37m
Thu 12/36:00 am -
1 stop6h 44m
Deal found 10/8![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 10/8. 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 11/133:58 pm -
1 stop10h 53m
Mon 11/166:30 am -
1 stop5h 38m
Deal found 10/8![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 10/7. 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 11/63:58 pm -
1 stop10h 53m
Sat 11/146:30 am -
1 stop5h 38m
Deal found 10/7![Frontier logo]()
$266
This Frontier deal was found by Cheapflights users on 10/8. 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 11/2310:30 pm -
1 stop10h 50m
Thu 12/36:00 am -
1 stop6h 44m
Deal found 10/8![Frontier logo]()
$269
This Frontier deal was found by Cheapflights users on 10/9. 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 11/114:03 pm -
1 stop10h 48m
Wed 11/186:30 am -
1 stop5h 38m
Deal found 10/9![Frontier logo]()
$275
This Frontier deal was found by Cheapflights users on 10/6. 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 10/204:08 pm -
1 stop10h 42m
Thu 10/226:15 am -
1 stop5h 58m
Deal found 10/6![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 10/6. 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 10/204:08 pm -
1 stop10h 42m
Fri 10/306:25 am -
1 stop5h 43m
Deal found 10/6![Frontier logo]()
$278
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 October 10, 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 October 10, 2026.
This Frontier deal was found by Cheapflights users on 10/9. 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 10/303:58 pm -
1 stop10h 53m
Tue 11/36:25 am -
1 stop5h 43m
Deal found 10/9![Frontier logo]()
$310
This Delta deal was found by Cheapflights users on 10/8. 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 11/257:10 am -
1 stop8h 10m
Wed 12/21:11 pm -
1 stop6h 43m
Deal found 10/8![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 10/8. 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 12/258:00 am -
1 stop7h 50m
Tue 12/291:45 pm -
2 stops8h 55m
Deal found 10/8![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Fri 10/3011:03 am -
2 stops12h 48m
Tue 11/36:00 am -
1 stop8h 22m
Deal found 10/8![United Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 10/9. 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 12/27:00 am -
1 stop8h 17m
Mon 12/711:08 pm -
1 stop7h 00m
Deal found 10/9![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:20 pm -
2 stops7h 15m
Mon 11/98:35 am -
2 stops9h 35m
Deal found 10/5![Southwest logo]()
$428
This Delta deal was found by Cheapflights users on 10/8. 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 11/247:10 am -
1 stop8h 10m
Wed 12/21:11 pm -
1 stop6h 43m
Deal found 10/8![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 10/8. 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 12/245:25 pm -
1 stop6h 10m
Mon 12/289:50 am -
2 stops8h 25m
Deal found 10/8![Southwest logo]()
$434
This Delta deal was found by Cheapflights users on 10/8. 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 11/262:10 pm -
1 stop8h 39m
Fri 12/41:11 pm -
1 stop6h 43m
Deal found 10/8![Delta logo]()
$423
This Southwest deal was found by Cheapflights users on 10/8. 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 12/246:10 pm -
1 stop6h 50m
Sun 12/279:50 am -
2 stops8h 25m
Deal found 10/8![Southwest logo]()
$451
This Delta deal was found by Cheapflights users on 10/8. 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 11/247:10 am -
1 stop8h 10m
Fri 12/41:11 pm -
1 stop6h 43m
Deal found 10/8![Delta logo]()
$455
Last-minute flights from Indianapolis to OntarioDiscover last-minute flight deals from Indianapolis to Ontario. Data last updated October 10, 2026 and is based on user searches.
Discover last-minute flight deals from Indianapolis to Ontario. Data last updated October 10, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 10/6. 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 10/204:08 pm -
1 stop10h 42m
Thu 10/226:15 am -
1 stop5h 58m
Deal found 10/6![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 10/6. 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 10/204:08 pm -
1 stop10h 42m
Fri 10/306:25 am -
1 stop5h 43m
Deal found 10/6![Frontier logo]()
$278
This Frontier deal was found by Cheapflights users on 10/7. 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 11/63:58 pm -
1 stop10h 53m
Sat 11/146:30 am -
1 stop5h 38m
Deal found 10/7![Frontier logo]()
$266
This Frontier deal was found by Cheapflights users on 10/9. 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 11/114:03 pm -
1 stop10h 48m
Wed 11/186:30 am -
1 stop5h 38m
Deal found 10/9![Frontier logo]()
$275
This CheapOair deal was found by Cheapflights users on 10/6. 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 11/123:58 pm -
1 stop21h 44m
Mon 11/166:30 am -
1 stop5h 38m
Deal found 10/6![Frontier logo]()
$258
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:58 pm -
1 stop21h 44m
Tue 11/176:30 am -
1 stop5h 38m
Deal found 10/7![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 10/8. 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 11/133:58 pm -
1 stop10h 53m
Mon 11/166:30 am -
1 stop5h 38m
Deal found 10/8![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 10/8. 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 11/2310:30 pm -
1 stop10h 50m
Thu 12/36:00 am -
1 stop6h 44m
Deal found 10/8![Frontier logo]()
$269
This Frontier deal was found by Cheapflights users on 10/8. 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 11/2410:30 pm -
1 stop10h 50m
Wed 12/26:00 am -
1 stop6h 08m
Deal found 10/8![Frontier logo]()
$248
This Frontier deal was found by Cheapflights users on 10/8. 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 11/264:37 pm -
1 stop10h 37m
Thu 12/36:00 am -
1 stop6h 44m
Deal found 10/8![Frontier logo]()
$262
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 October 10, 2026.
Search for one-way flight options from Indianapolis to Ontario. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
This Super.com deal was found by Cheapflights users on 10/6. 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 12/124:41 pm -
1 stop8h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$122
This Frontier deal was found by Cheapflights users on 10/8. 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 12/164:06 pm -
1 stop9h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 10/7. 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 10/274:03 pm -
1 stop10h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$127
This Booking.com deal was found by Cheapflights users on 10/8. 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 11/104:03 pm -
1 stop10h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 10/7. 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 10/293:58 pm -
1 stop10h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$130
This CheapOair deal was found by Cheapflights users on 10/5. 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 11/123:58 pm -
1 stop21h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$135
This Frontier deal was found by Cheapflights users on 10/9. 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 12/84:41 pm -
1 stop8h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 10/6. 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 10/224:08 pm -
1 stop21h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$141
This Super.com deal was found by Cheapflights users on 10/7. 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 12/114:41 pm -
1 stop10h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$143
This Frontier deal was found by Cheapflights users on 10/6. 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 10/204:08 pm -
1 stop10h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$144
This Mytrip deal was found by Cheapflights users on 10/6. 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.
Fri 10/303:58 pm -
1 stop21h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$146
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 October 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $248 (Frontier) |
One-way from | $122 (Super.com) |
Popular in | January |
Cheapest in | March |
Average price | $462 |
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 7,457,451 searches. Data last updated October 10, 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 Indianapolis - ONT Ontario
INDONT
Indianapolis
Tue 10/27
7:10 am-12:55 pm
2 stops8h 45m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$161
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Thu 11/12
5:36 am-3:24 pm
2 stops12h 48m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$161
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Thu 12/10
7:05 am-12:10 pm
2 stops8h 05m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$161
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Mon 12/7
4:22 pm-9:55 pm
1 stop8h 33m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Thu 10/29
7:05 am-12:36 pm
1 stop8h 31m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$195
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Tue 10/27
7:00 am-3:33 pm
2 stops11h 33m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$221
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Sat 11/7
1:46 pm-11:16 am
2 stops24h 30m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$221
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Sat 12/12
6:44 am-4:56 pm
2 stops13h 12m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$244
Quickest round-trip
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Sun 1/17
8:00 am-12:30 pm
1 stop7h 30m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$244
IndianapolisOntario
IND Indianapolis - ONT Ontario
INDONT
Indianapolis
Wed 12/9
5:39 am-4:56 pm
2 stops14h 17m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$244
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Indianapolis to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Indianapolis to Ontario in October.
| 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 Accuracy- | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Indianapolis-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Indianapolis-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Indianapolis-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Indianapolis-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Indianapolis-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Indianapolis to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Indianapolis with our price prediction graph.
IND-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Indianapolis to Ontario
Prices
More
How far ahead should I book a flight from Indianapolis to Ontario?
The price you pay for your flight from Indianapolis to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Indianapolis to Ontario?
Currently, March is the cheapest month in which you can book a flight from Indianapolis to Ontario (average of $333). Flying from Indianapolis to Ontario in January is currently the most expensive (average of $571). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Indianapolis to Ontario?
Airfare is below average for this route at the moment.
Indianapolis to Ontario flights typically cost between $366 and $550 in November.The cheapest round-trip price found within the last 5 days was $248 on Frontier (Nov 24-Dec 2).
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 October 10, 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.
Entertainment
7.4
Overall
7.9
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.4
Overall
7.9
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.4
Overall
7.9
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.4
Overall
7.9
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.4
Overall
7.9
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.4
Overall
7.9
Crew
8.6
Comfort
8.0
Boarding
8.1
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.
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Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 10, 2026.
Indianapolis and Ontario flights
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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 7,457,451 searches. Data last updated October 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$166 | Average$452 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$180 | Average$320 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$286 | Average$415 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$319 | Average$476 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$333 | Average$476 | FlexibilityNo cancel fee | On-time71% |