$113+ Cheap flights from Indianapolis to Ontario (IND - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ONT
Jul 5 — Jul 121
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 June 5, 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 June 5, 2026.
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Wed 8/1910:50 am
ONT
- IND
1 stop6h 11m
Frontier
Deal found 6/3![Frontier logo]()
$271
This CheapOair deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:26 pm
IND
- ONT
1 stop20h 38m
Alaska Airlines
Tue 9/112:00 pm
ONT
- IND
1 stop14h 13m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$277
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Wed 8/58:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 6/3![Frontier logo]()
$283
This Trip.com deal was found by Cheapflights users on 6/5. 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 Trip.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
Mon 8/1010:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 6/5![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 6/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Wed 8/128:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 6/5![Frontier logo]()
$287
This Booking.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:53 pm
IND
- ONT
1 stop16h 11m
Frontier
Fri 7/178:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 6/3![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 6/5. 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 Frontier 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
Mon 8/106:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 6/5![Frontier logo]()
$293
This Frontier deal was found by Cheapflights users on 6/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Sat 8/86:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 6/5![Frontier logo]()
$297
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Thu 8/610:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 6/3![Frontier logo]()
$298
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Thu 8/610:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 6/3![Frontier logo]()
$302
This Frontier deal was found by Cheapflights users on 6/4. 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 6/238:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Wed 7/88:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 6/4![Frontier logo]()
$303
This Booking.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.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 stop16h 11m
Frontier
Sat 8/86:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 6/2![Frontier logo]()
$304
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 June 5, 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 June 5, 2026.
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:00 am
IND
- ONT
1 stop7h 40m
Delta
Fri 7/31:00 pm
ONT
- IND
1 stop6h 58m
Delta
Deal found 6/5![Delta logo]()
$405
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:00 am
IND
- ONT
2 stops13h 12m
United Airlines
Wed 8/191:18 pm
ONT
- IND
1 stop5h 54m
United Airlines
Deal found 5/31![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 6/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:15 am
IND
- ONT
1 stop7h 15m
Southwest
Mon 8/38:00 am
ONT
- IND
2 stops8h 20m
Southwest
Deal found 6/1![Southwest logo]()
$441
This Gotogate deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:16 pm
IND
- ONT
1 stop6h 39m
Frontier
Fri 10/302:35 pm
ONT
- IND
1 stop20h 22m
Frontier
Deal found 5/31![Frontier logo]()
$445
This Alaska Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:09 pm
IND
- ONT
1 stop8h 33m
Alaska Airlines
Fri 10/306:00 am
ONT
- IND
1 stop8h 09m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$451
This KAYAK deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/225:23 pm
IND
- ONT
1 stop8h 16m
American Airlines
Wed 6/2411:59 pm
ONT
- IND
1 stop7h 14m
American Airlines
Deal found 6/3![American Airlines logo]()
$503
This Southwest deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:10 am
IND
- ONT
2 stops8h 10m
Southwest
Wed 7/810:10 am
ONT
- IND
2 stops9h 50m
Southwest
Deal found 6/3![Southwest logo]()
$446
This Southwest deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:35 am
IND
- ONT
1 stop7h 40m
Southwest
Sun 8/302:30 pm
ONT
- IND
1 stop7h 10m
Southwest
Deal found 6/2![Southwest logo]()
$451
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:00 am
IND
- ONT
1 stop7h 40m
Delta
Sat 7/47:05 am
ONT
- IND
1 stop7h 30m
Delta
Deal found 6/5![Delta logo]()
$506
This Southwest deal was found by Cheapflights users on 6/4. 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 9/175:45 am
IND
- ONT
2 stops12h 20m
Southwest
Mon 9/211:15 pm
ONT
- IND
2 stops8h 20m
Southwest
Deal found 6/4![Southwest logo]()
$484
Last-minute flights from Indianapolis to OntarioDiscover last-minute flight deals from Indianapolis to Ontario. Data last updated June 5, 2026 and is based on user searches.
Discover last-minute flight deals from Indianapolis to Ontario. Data last updated June 5, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/4. 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 6/228:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Wed 7/88:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 6/4![Frontier logo]()
$307
This Frontier deal was found by Cheapflights users on 6/4. 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 6/238:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Wed 7/88:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 6/4![Frontier logo]()
$303
This Booking.com deal was found by Cheapflights users on 6/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:51 pm
IND
- ONT
1 stop16h 14m
Frontier
Wed 7/88:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 6/1![Frontier logo]()
$297
This Booking.com deal was found by Cheapflights users on 6/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:51 pm
IND
- ONT
1 stop16h 14m
Frontier
Sun 7/56:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 6/5![Frontier logo]()
$313
This Frontier deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Wed 7/88:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 6/1![Frontier logo]()
$287
This Booking.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:53 pm
IND
- ONT
1 stop16h 11m
Frontier
Sat 7/116:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 6/2![Frontier logo]()
$317
This Booking.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:53 pm
IND
- ONT
1 stop16h 11m
Frontier
Fri 7/178:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 6/3![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 6/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Wed 7/228:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 6/5![Frontier logo]()
$310
This Frontier deal was found by Cheapflights users on 6/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Thu 7/2310:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 6/5![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Wed 8/58:17 am
ONT
- IND
1 stop9h 58m
Frontier
Deal found 6/3![Frontier logo]()
$283
This Frontier deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Thu 8/610:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 6/3![Frontier logo]()
$298
This Booking.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.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 stop16h 11m
Frontier
Sat 8/86:00 am
ONT
- IND
1 stop11h 08m
Frontier
Deal found 6/2![Frontier logo]()
$304
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 June 5, 2026.
Search for one-way flight options from Indianapolis to Ontario. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Wed 8/1210:00 pm
IND
- ONT
1 stop13h 41m
Frontier
Deal found 6/4![Frontier logo]()
$113
This Super.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.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 stop5h 57m
Frontier
Deal found 6/3![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 6/4. 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 8/258:46 pm
IND
- ONT
1 stop6h 03m
Frontier
Deal found 6/4![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 6/4. 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 7/148:53 pm
IND
- ONT
1 stop16h 11m
Frontier
Deal found 6/4![Frontier logo]()
$132
This Priceline deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:46 pm
IND
- ONT
1 stop6h 03m
Frontier
Deal found 6/3![Frontier logo]()
$133
This Booking.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/248:51 pm
IND
- ONT
1 stop16h 14m
Frontier
Deal found 6/3![Frontier logo]()
$134
This Super.com deal was found by Cheapflights users on 6/4. 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 8/318:46 pm
IND
- ONT
1 stop6h 03m
Frontier
Deal found 6/4![Frontier logo]()
$135
This Frontier deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 6/4![Frontier logo]()
$138
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:04 am
IND
- ONT
1 stop9h 05m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$139
This Super.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:53 pm
IND
- ONT
1 stop5h 57m
Frontier
Deal found 6/2![Frontier logo]()
$142
Find flight deals from Indianapolis to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (Frontier) |
One-way from | $113 (Kiwi.com) |
Popular in | December |
Cheapest in | July |
Average price | $429 |
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 June 5, 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 - ONT
INDONT
Indianapolis
Tue 6/30
6:00 am-10:40 am
1 stop7h 40m
Ontario
Fri 7/3
1:00 pm-10:58 pm
1 stop6h 58m
$405
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Sat 8/15
8:00 am-6:12 pm
2 stops13h 12m
Ontario
Wed 8/19
1:18 pm-10:12 pm
1 stop5h 54m
$409
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 7/29
7:15 am-11:30 am
1 stop7h 15m
Ontario
Mon 8/3
8:00 am-7:20 pm
2 stops8h 20m
$441
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Mon 10/19
8:16 pm-11:55 pm
1 stop6h 39m
Ontario
Fri 10/30
2:35 pm-1:57 pm
1 stop20h 22m
$445
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Thu 7/2
6:10 am-11:20 am
2 stops8h 10m
Ontario
Wed 7/8
10:10 am-11:00 pm
2 stops9h 50m
$446
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Mon 10/19
6:09 pm-11:42 pm
1 stop8h 33m
Ontario
Fri 10/30
6:00 am-5:09 pm
1 stop8h 09m
$451
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Thu 8/27
10:35 am-3:15 pm
1 stop7h 40m
Ontario
Sun 8/30
2:30 pm-12:40 am
1 stop7h 10m
$451
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Thu 9/17
5:45 am-3:05 pm
2 stops12h 20m
Ontario
Mon 9/21
1:15 pm-12:35 am
2 stops8h 20m
$484
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Mon 6/22
5:23 pm-10:39 pm
1 stop8h 16m
Ontario
Wed 6/24
11:59 pm-10:13 am
1 stop7h 14m
$503
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 6/24
6:00 am-10:40 am
1 stop7h 40m
Ontario
Sat 7/4
7:05 am-5:35 pm
1 stop7h 30m
$506
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 June.
| 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, July is the cheapest month in which you can book a flight from Indianapolis to Ontario (average of $239). Flying from Indianapolis to Ontario in December is currently the most expensive (average of $574). 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 June 5, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Indianapolis to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Overall
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.
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Alternative routes for Indianapolis to Ontario
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Complete your trip
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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 June 5, 2026.
Indianapolis and Ontario flights
Browse other Indianapolis and Ontario flight options. Last updated on June 5, 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 June 5, 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 June 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$163 | Average$247 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$417 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$271 | Average$415 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$416 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$444 | FlexibilityNo cancel fee | On-time63% |