$80+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ONT
Apr 21 — Apr 281
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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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 March 22, 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 March 22, 2026.
This Frontier deal was found by Cheapflights users on 3/22. 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 4/134:14 pm
IND
- ONT
1 stop9h 54m
Frontier
Thu 4/166:15 am
ONT
- IND
1 stop8h 11m
Frontier
Deal found 3/22![Frontier logo]()
$160
This CheapOair deal was found by Cheapflights users on 3/20. 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 5/116:49 pm
IND
- ONT
1 stop23h 55m
Frontier
Wed 5/1310:50 am
ONT
- IND
1 stop6h 04m
Frontier
Deal found 3/20![Frontier logo]()
$171
This Frontier deal was found by Cheapflights users on 3/20. 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 4/203:42 pm
IND
- ONT
1 stop11h 01m
Frontier
Thu 4/236:15 am
ONT
- IND
1 stop8h 08m
Frontier
Deal found 3/20![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:06 pm
IND
- ONT
1 stop8h 50m
Frontier
Thu 4/305:43 pm
ONT
- IND
1 stop23h 17m
Frontier
Deal found 3/20![Frontier logo]()
$192
This CheapOair deal was found by Cheapflights users on 3/21. 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 4/201:52 pm
IND
- ONT
1 stop23h 52m
Frontier
Sun 4/2612:59 am
ONT
- IND
1 stop16h 01m
Frontier
Deal found 3/21![Frontier logo]()
$205
This Booking.com deal was found by Cheapflights users on 3/21. 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.
Thu 4/166:21 pm
IND
- ONT
1 stop8h 34m
Frontier
Sun 4/1912:59 am
ONT
- IND
1 stop16h 01m
Frontier
Deal found 3/21![Frontier logo]()
$207
This Frontier deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:46 pm
IND
- ONT
1 stop6h 09m
Frontier
Mon 5/116:00 am
ONT
- IND
1 stop10h 54m
Frontier
Deal found 3/17![Frontier logo]()
$210
This Booking.com deal was found by Cheapflights users on 3/21. 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.
Thu 4/236:08 pm
IND
- ONT
1 stop8h 47m
Frontier
Sun 4/2612:59 am
ONT
- IND
1 stop16h 01m
Frontier
Deal found 3/21![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 3/19. 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 4/134:14 pm
IND
- ONT
1 stop9h 54m
Frontier
Sat 4/187:44 pm
ONT
- IND
1 stop14h 13m
Frontier
Deal found 3/19![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 3/21. 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.
Sun 4/266:06 pm
IND
- ONT
1 stop8h 50m
Frontier
Sun 5/1010:50 am
ONT
- IND
1 stop6h 04m
Frontier
Deal found 3/21![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 3/17. 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 5/158:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Tue 5/196:00 am
ONT
- IND
1 stop10h 54m
Frontier
Deal found 3/17![Frontier logo]()
$230
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 March 22, 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 March 22, 2026.
This Gotogate deal was found by Cheapflights users on 3/17. 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.
Fri 4/244:07 pm
IND
- ONT
1 stop10h 51m
Frontier
Sat 4/257:44 pm
ONT
- IND
1 stop15h 43m
Frontier
Deal found 3/17![Frontier logo]()
$210
This Delta deal was found by Cheapflights users on 3/20. 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 4/155:29 pm
IND
- ONT
2 stops9h 15m
Delta
Fri 4/1712:49 pm
ONT
- IND
1 stop6h 43m
Delta
Deal found 3/20![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:10 pm
IND
- ONT
1 stop7h 40m
United Airlines
Tue 4/285:10 am
ONT
- IND
1 stop6h 26m
United Airlines
Deal found 3/22![United Airlines logo]()
$445
This Southwest deal was found by Cheapflights users on 3/19. 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 5/15:30 am
IND
- ONT
2 stops8h 25m
Southwest
Mon 5/411:35 am
ONT
- IND
2 stops7h 25m
Southwest
Deal found 3/19![Southwest logo]()
$459
This Frontier deal was found by Cheapflights users on 3/22. 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.
Sun 4/58:27 pm
IND
- ONT
1 stop6h 29m
Frontier
Sun 4/126:20 am
ONT
- IND
1 stop10h 12m
Frontier
Deal found 3/22![Frontier logo]()
$356
This Delta deal was found by Cheapflights users on 3/19. 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 4/107:00 am
IND
- ONT
1 stop8h 23m
Delta
Mon 4/1310:15 pm
ONT
- IND
1 stop7h 50m
Delta
Deal found 3/19![Delta logo]()
$416
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/136:10 pm
IND
- ONT
1 stop7h 21m
United Airlines
Fri 4/176:45 pm
ONT
- IND
1 stop8h 48m
United Airlines
Deal found 3/19![United Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:30 am
IND
- ONT
2 stops8h 49m
Delta
Mon 5/2510:00 pm
ONT
- IND
2 stops12h 27m
Delta
Deal found 3/19![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 3/19. 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 6/108:00 am
IND
- ONT
1 stop7h 29m
Delta
Fri 6/1212:00 pm
ONT
- IND
1 stop9h 34m
Delta
Deal found 3/19![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 3/21. 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 4/96:13 am
IND
- ONT
2 stops9h 10m
Delta
Tue 4/1410:15 pm
ONT
- IND
1 stop9h 13m
Delta
Deal found 3/21![Delta logo]()
$470
Last-minute flights from Indianapolis to OntarioDiscover last-minute flight deals from Indianapolis to Ontario. Data last updated March 22, 2026 and is based on user searches.
Discover last-minute flight deals from Indianapolis to Ontario. Data last updated March 22, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/19. 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 4/134:14 pm
IND
- ONT
1 stop9h 54m
Frontier
Sat 4/187:44 pm
ONT
- IND
1 stop14h 13m
Frontier
Deal found 3/19![Frontier logo]()
$221
This Booking.com deal was found by Cheapflights users on 3/18. 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 4/134:14 pm
IND
- ONT
1 stop9h 54m
Frontier
Sun 4/1912:59 am
ONT
- IND
1 stop16h 01m
Frontier
Deal found 3/18![Frontier logo]()
$258
This Expedia deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:21 pm
IND
- ONT
1 stop8h 34m
Frontier
Thu 4/1612:59 am
ONT
- IND
1 stop16h 01m
Frontier
Deal found 3/20![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 3/21. 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.
Thu 4/166:21 pm
IND
- ONT
1 stop8h 34m
Frontier
Sun 4/1912:59 am
ONT
- IND
1 stop16h 01m
Frontier
Deal found 3/21![Frontier logo]()
$207
This Frontier deal was found by Cheapflights users on 3/18. 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 4/166:21 pm
IND
- ONT
1 stop8h 34m
Frontier
Sun 4/199:09 pm
ONT
- IND
1 stop12h 48m
Frontier
Deal found 3/18![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 3/19. 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.
Fri 4/174:07 pm
IND
- ONT
1 stop10h 51m
Frontier
Sun 4/1912:59 am
ONT
- IND
1 stop16h 01m
Frontier
Deal found 3/19![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 3/20. 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 4/203:42 pm
IND
- ONT
1 stop11h 01m
Frontier
Thu 4/236:15 am
ONT
- IND
1 stop8h 08m
Frontier
Deal found 3/20![Frontier logo]()
$185
This CheapOair deal was found by Cheapflights users on 3/21. 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 4/201:52 pm
IND
- ONT
1 stop23h 52m
Frontier
Sun 4/2612:59 am
ONT
- IND
1 stop16h 01m
Frontier
Deal found 3/21![Frontier logo]()
$205
This Booking.com deal was found by Cheapflights users on 3/21. 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.
Thu 4/236:08 pm
IND
- ONT
1 stop8h 47m
Frontier
Sun 4/2612:59 am
ONT
- IND
1 stop16h 01m
Frontier
Deal found 3/21![Frontier logo]()
$212
This Booking.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:06 pm
IND
- ONT
1 stop8h 50m
Frontier
Thu 4/305:43 pm
ONT
- IND
1 stop23h 17m
Frontier
Deal found 3/20![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 3/21. 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.
Sun 4/266:06 pm
IND
- ONT
1 stop8h 50m
Frontier
Sun 5/1010:50 am
ONT
- IND
1 stop6h 04m
Frontier
Deal found 3/21![Frontier logo]()
$225
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 March 22, 2026.
Search for one-way flight options from Indianapolis to Ontario. Find affordable one-way fares based on user searches. Data last updated March 22, 2026.
This Booking.com deal was found by Cheapflights users on 3/20. 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.
Thu 4/166:21 pm
IND
- ONT
1 stop8h 34m
Frontier
Deal found 3/20![Frontier logo]()
$80
This CheapOair deal was found by Cheapflights users on 3/20. 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.
Fri 4/174:07 pm
IND
- ONT
1 stop10h 51m
Frontier
Deal found 3/20![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:46 pm
IND
- ONT
1 stop6h 09m
Frontier
Deal found 3/20![Frontier logo]()
$105
This CheapOair deal was found by Cheapflights users on 3/18. 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.
Fri 5/156:49 pm
IND
- ONT
1 stop23h 20m
Frontier
Deal found 3/18![Frontier logo]()
$111
This CheapOair deal was found by Cheapflights users on 3/19. 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 4/308:46 pm
IND
- ONT
1 stop13h 45m
Frontier
Deal found 3/19![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:33 pm
IND
- ONT
1 stop6h 26m
Frontier
Deal found 3/21![Frontier logo]()
$124
This Gotogate deal was found by Cheapflights users on 3/20. 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.
Sun 3/298:33 pm
IND
- ONT
1 stop6h 26m
Frontier
Deal found 3/20![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 3/19. 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 3/311:39 pm
IND
- ONT
1 stop29h 18m
Frontier
Deal found 3/19![Frontier logo]()
$130
This CheapOair deal was found by Cheapflights users on 3/22. 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.
Wed 5/208:39 pm
IND
- ONT
1 stop16h 26m
Frontier
Deal found 3/22![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/146:00 am
IND
- ONT
2 stops31h 44m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$142
This Frontier deal was found by Cheapflights users on 3/19. 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.
Sun 4/128:27 pm
IND
- ONT
1 stop6h 29m
Frontier
Deal found 3/19![Frontier logo]()
$145
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 March 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Frontier) |
One-way from | $80 (Booking.com) |
Popular in | December |
Cheapest in | July |
Average price | $338 |
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 March 22, 2026.
Use the filters below to find and compare flights from Indianapolis to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Fri 4/24
4:07 pm-11:58 pm
1 stop10h 51m
Ontario
Sat 4/25
7:44 pm-2:27 pm
1 stop15h 43m
$210
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 4/15
5:29 pm-11:44 pm
2 stops9h 15m
Ontario
Fri 4/17
12:49 pm-10:32 pm
1 stop6h 43m
$338
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Sun 4/5
8:27 pm-11:56 pm
1 stop6h 29m
Ontario
Sun 4/12
6:20 am-7:32 pm
1 stop10h 12m
$356
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Fri 4/10
7:00 am-12:23 pm
1 stop8h 23m
Ontario
Mon 4/13
10:15 pm-9:05 am
1 stop7h 50m
$416
Quickest round-trip
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Tue 4/21
5:10 pm-9:50 pm
1 stop7h 40m
Ontario
Tue 4/28
5:10 am-2:36 pm
1 stop6h 26m
$445
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Mon 4/13
6:10 pm-10:31 pm
1 stop7h 21m
Ontario
Fri 4/17
6:45 pm-6:33 am
1 stop8h 48m
$456
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Fri 5/1
5:30 am-10:55 am
2 stops8h 25m
Ontario
Mon 5/4
11:35 am-10:00 pm
2 stops7h 25m
$459
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Sat 5/16
6:30 am-12:19 pm
2 stops8h 49m
Ontario
Mon 5/25
10:00 pm-1:27 pm
2 stops12h 27m
$459
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Wed 6/10
8:00 am-12:29 pm
1 stop7h 29m
Ontario
Fri 6/12
12:00 pm-12:34 am
1 stop9h 34m
$464
IndianapolisOntario
IND - ONT
INDONT
Indianapolis
Thu 4/9
6:13 am-12:23 pm
2 stops9h 10m
Ontario
Tue 4/14
10:15 pm-10:28 am
1 stop9h 13m
$470
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Indianapolis-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Indianapolis-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Indianapolis-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Indianapolis-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Indianapolis-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Indianapolis to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Indianapolis with our price prediction graph.
IND-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Indianapolis to Ontario
How far ahead should I book a flight from Indianapolis to Ontario?
Use this chart to determine the optimal time to book a round-trip flight from Indianapolis to Ontario. Price data was last updated on March 13, 2026.
The price you pay for your flight from Indianapolis to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 9 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 $65). Flying from Indianapolis to Ontario in March is currently the most expensive (average of $200). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated March 22, 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
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Indianapolis to Ontario by cabin class
Find flights from Indianapolis to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 22, 2026.
Indianapolis and Ontario flights
Browse other Indianapolis and Ontario flight options. Last updated on March 22, 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 March 22, 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 March 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$163 | Average$243 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$183 | Average$391 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$271 | Average$415 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$306 | Average$425 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$324 | Average$442 | FlexibilityNo cancel fee | On-time71% |