$104+ Cheap flights from Ontario to Indianapolis (ONT - IND)
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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IND
Jun 8 — Jun 151
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Indianapolis 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 Ontario to Indianapolis
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Cheapest flights from Ontario to IndianapolisExplore the most affordable flight options available from Ontario to Indianapolis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 9, 2026.
Explore the most affordable flight options available from Ontario to Indianapolis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 9, 2026.
This CheapOair deal was found by Cheapflights users on 5/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:00 am
ONT
- IND
1 stop10h 54m
Frontier
Sat 6/68:39 pm
IND
- ONT
1 stop16h 26m
Frontier
Deal found 5/4![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 5/6. 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.
Mon 6/16:00 am
ONT
- IND
1 stop10h 54m
Frontier
Tue 6/28:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Deal found 5/6![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 5/9. 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 6/26:00 am
ONT
- IND
1 stop10h 54m
Frontier
Tue 6/98:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/9![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 5/9. 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.
Mon 6/110:50 am
ONT
- IND
1 stop6h 04m
Frontier
Tue 6/98:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/9![Frontier logo]()
$231
This Booking.com deal was found by Cheapflights users on 5/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:50 am
ONT
- IND
1 stop6h 04m
Frontier
Tue 6/28:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Deal found 5/4![Frontier logo]()
$232
This CheapOair deal was found by Cheapflights users on 5/6. 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 5/2810:50 am
ONT
- IND
1 stop6h 04m
Frontier
Mon 6/18:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Deal found 5/6![Frontier logo]()
$238
This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
ONT
- IND
1 stop10h 54m
Frontier
Tue 6/28:39 pm
IND
- ONT
1 stop16h 26m
Frontier
Deal found 5/7![Frontier logo]()
$239
This Expedia deal was found by Cheapflights users on 5/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:50 am
ONT
- IND
1 stop6h 04m
Frontier
Sat 5/308:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Deal found 5/7![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 5/5. 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.
Thu 5/286:00 am
ONT
- IND
1 stop10h 54m
Frontier
Sat 6/68:39 pm
IND
- ONT
1 stop16h 26m
Frontier
Deal found 5/5![Frontier logo]()
$245
This Booking.com deal was found by Cheapflights users on 5/8. 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 6/26:00 am
ONT
- IND
1 stop10h 54m
Frontier
Tue 6/168:51 pm
IND
- ONT
1 stop16h 14m
Frontier
Deal found 5/8![Frontier logo]()
$251
This Booking.com deal was found by Cheapflights users on 5/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:00 am
ONT
- IND
1 stop10h 54m
Frontier
Sat 6/138:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/6![Frontier logo]()
$252
Best flights from Ontario to IndianapolisDiscover carefully curated flight deals from Ontario to Indianapolis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 9, 2026.
Discover carefully curated flight deals from Ontario to Indianapolis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 9, 2026.
This Delta deal was found by Cheapflights users on 5/5. 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.
Thu 5/286:45 am
ONT
- IND
2 stops13h 19m
Delta
Sat 5/307:16 am
IND
- ONT
2 stops12h 01m
Delta
Deal found 5/5![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:55 pm
ONT
- IND
2 stops7h 40m
Southwest
Thu 6/47:15 pm
IND
- ONT
2 stops7h 50m
Southwest
Deal found 5/6![Southwest logo]()
$439
This Southwest deal was found by Cheapflights users on 5/8. 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.
Mon 6/221:20 pm
ONT
- IND
2 stops9h 20m
Southwest
Wed 7/85:05 pm
IND
- ONT
2 stops8h 40m
Southwest
Deal found 5/8![Southwest logo]()
$446
This Delta deal was found by Cheapflights users on 5/8. 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.
Fri 9/2510:59 pm
ONT
- IND
1 stop8h 31m
Delta
Tue 9/298:00 am
IND
- ONT
1 stop7h 29m
Delta
Deal found 5/8![Delta logo]()
$448
This Delta deal was found by Cheapflights users on 5/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:00 pm
ONT
- IND
1 stop9h 33m
Delta
Sun 8/27:55 am
IND
- ONT
1 stop7h 15m
Delta
Deal found 5/4![Delta logo]()
$466
This Southwest deal was found by Cheapflights users on 5/4. 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 6/181:20 pm
ONT
- IND
2 stops9h 20m
Southwest
Wed 6/244:50 pm
IND
- ONT
2 stops8h 25m
Southwest
Deal found 5/4![Southwest logo]()
$469
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:00 pm
ONT
- IND
2 stops8h 16m
Delta
Mon 8/34:34 pm
IND
- ONT
1 stop8h 18m
Delta
Deal found 5/6![Delta logo]()
$471
This Southwest deal was found by Cheapflights users on 5/5. 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 6/151:20 pm
ONT
- IND
2 stops9h 20m
Southwest
Fri 6/196:10 am
IND
- ONT
1 stop5h 55m
Southwest
Deal found 5/5![Southwest logo]()
$482
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:05 am
ONT
- IND
1 stop7h 30m
Delta
Thu 7/97:55 am
IND
- ONT
1 stop7h 15m
Delta
Deal found 5/6![Delta logo]()
$482
This Southwest deal was found by Cheapflights users on 5/8. 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 6/128:00 am
ONT
- IND
2 stops8h 20m
Southwest
Mon 6/156:10 am
IND
- ONT
2 stops8h 10m
Southwest
Deal found 5/8![Southwest logo]()
$487
This Southwest deal was found by Cheapflights users on 5/8. 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 6/1812:00 pm
ONT
- IND
2 stops10h 40m
Southwest
Thu 7/96:10 am
IND
- ONT
2 stops8h 10m
Southwest
Deal found 5/8![Southwest logo]()
$487
Last-minute flights from Ontario to IndianapolisDiscover last-minute flight deals from Ontario to Indianapolis. Data last updated May 9, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Indianapolis. Data last updated May 9, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 5/6. 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 5/2810:50 am
ONT
- IND
1 stop6h 04m
Frontier
Mon 6/18:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Deal found 5/6![Frontier logo]()
$238
This Expedia deal was found by Cheapflights users on 5/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:50 am
ONT
- IND
1 stop6h 04m
Frontier
Sat 5/308:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Deal found 5/7![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 5/5. 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.
Thu 5/286:00 am
ONT
- IND
1 stop10h 54m
Frontier
Sat 6/68:39 pm
IND
- ONT
1 stop16h 26m
Frontier
Deal found 5/5![Frontier logo]()
$245
This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
ONT
- IND
1 stop10h 54m
Frontier
Tue 6/28:39 pm
IND
- ONT
1 stop16h 26m
Frontier
Deal found 5/7![Frontier logo]()
$239
This Booking.com deal was found by Cheapflights users on 5/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:50 am
ONT
- IND
1 stop6h 04m
Frontier
Tue 6/28:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Deal found 5/4![Frontier logo]()
$232
This Frontier deal was found by Cheapflights users on 5/6. 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.
Mon 6/16:00 am
ONT
- IND
1 stop10h 54m
Frontier
Tue 6/28:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Deal found 5/6![Frontier logo]()
$224
This Frontier deal was found by Cheapflights users on 5/9. 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.
Mon 6/110:50 am
ONT
- IND
1 stop6h 04m
Frontier
Tue 6/98:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/9![Frontier logo]()
$231
This Frontier deal was found by Cheapflights users on 5/9. 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 6/26:00 am
ONT
- IND
1 stop10h 54m
Frontier
Tue 6/98:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/9![Frontier logo]()
$230
This Booking.com deal was found by Cheapflights users on 5/8. 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 6/26:00 am
ONT
- IND
1 stop10h 54m
Frontier
Tue 6/168:51 pm
IND
- ONT
1 stop16h 14m
Frontier
Deal found 5/8![Frontier logo]()
$251
This CheapOair deal was found by Cheapflights users on 5/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:00 am
ONT
- IND
1 stop10h 54m
Frontier
Sat 6/68:39 pm
IND
- ONT
1 stop16h 26m
Frontier
Deal found 5/4![Frontier logo]()
$220
This Booking.com deal was found by Cheapflights users on 5/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:00 am
ONT
- IND
1 stop10h 54m
Frontier
Sat 6/138:51 pm
IND
- ONT
1 stop5h 58m
Frontier
Deal found 5/6![Frontier logo]()
$252
One-way flights from Ontario to IndianapolisSearch for one-way flight options from Ontario to Indianapolis. Find affordable one-way fares based on user searches. Data last updated May 9, 2026.
Search for one-way flight options from Ontario to Indianapolis. Find affordable one-way fares based on user searches. Data last updated May 9, 2026.
This Super.com deal was found by Cheapflights users on 5/6. 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.
Wed 6/310:50 am
ONT
- IND
1 stop6h 04m
Frontier
Deal found 5/6![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 5/5. 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.
Wed 6/1010:50 am
ONT
- IND
1 stop6h 16m
Frontier
Deal found 5/5![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 5/6. 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.
Wed 5/276:00 am
ONT
- IND
1 stop10h 54m
Frontier
Deal found 5/6![Frontier logo]()
$110
This Super.com deal was found by Cheapflights users on 5/7. 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.
Sat 7/2510:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 5/7![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 5/6. 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.
Thu 5/2810:50 am
ONT
- IND
1 stop6h 04m
Frontier
Deal found 5/6![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:00 am
ONT
- IND
2 stops50h 23m
Frontier
Deal found 5/5![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 5/8. 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 8/2110:50 am
ONT
- IND
1 stop6h 11m
Frontier
Deal found 5/8![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 5/5. 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.
Thu 7/3010:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 5/5![Frontier logo]()
$127
This Trip.com deal was found by Cheapflights users on 5/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:49 am
ONT
- IND
1 stop6h 19m
Frontier
Deal found 5/8![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 5/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:00 am
ONT
- IND
1 stop11h 01m
Frontier
Deal found 5/8![Frontier logo]()
$129
Find flight deals from Ontario to Indianapolis
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Indianapolis (IND). 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 May 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $220 (CheapOair) |
One-way from | $104 (Super.com) |
Popular in | June |
Cheapest in | February |
Average price | $398 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Indianapolis 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 May 9, 2026.
Use the filters below to find and compare flights from Ontario to Indianapolis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Thu 5/28
6:45 am-11:04 pm
2 stops13h 19m
Indianapolis
Sat 5/30
7:16 am-4:17 pm
2 stops12h 01m
$411
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Mon 6/1
1:55 pm-12:35 am
2 stops7h 40m
Indianapolis
Thu 6/4
7:15 pm-12:05 am
2 stops7h 50m
$439
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Mon 6/22
1:20 pm-1:40 am
2 stops9h 20m
Indianapolis
Wed 7/8
5:05 pm-10:45 pm
2 stops8h 40m
$446
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Fri 9/25
10:59 pm-10:30 am
1 stop8h 31m
Indianapolis
Tue 9/29
8:00 am-12:29 pm
1 stop7h 29m
$448
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Wed 7/29
10:00 pm-10:33 am
1 stop9h 33m
Indianapolis
Sun 8/2
7:55 am-12:10 pm
1 stop7h 15m
$466
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Thu 6/18
1:20 pm-1:40 am
2 stops9h 20m
Indianapolis
Wed 6/24
4:50 pm-10:15 pm
2 stops8h 25m
$469
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Tue 7/28
1:00 pm-12:16 am
2 stops8h 16m
Indianapolis
Mon 8/3
4:34 pm-9:52 pm
1 stop8h 18m
$471
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Mon 6/15
1:20 pm-1:40 am
2 stops9h 20m
Indianapolis
Fri 6/19
6:10 am-9:05 am
1 stop5h 55m
$482
Quickest round-trip
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Sat 7/4
7:05 am-5:35 pm
1 stop7h 30m
Indianapolis
Thu 7/9
7:55 am-12:10 pm
1 stop7h 15m
$482
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Fri 6/12
8:00 am-7:20 pm
2 stops8h 20m
Indianapolis
Mon 6/15
6:10 am-11:20 am
2 stops8h 10m
$487
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Ontario to Indianapolis
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 Ontario to Indianapolis in May.
| 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 |
- Most accurate provider: When it comes to deals on Ontario-Indianapolis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Indianapolis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Indianapolis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Indianapolis 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 Ontario-Indianapolis 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 Ontario to Indianapolis
Have a flexible travel schedule? Discover the best time to fly to Indianapolis from Ontario with our price prediction graph.
ONT-IND
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 Ontario to Indianapolis
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How far ahead should I book a flight from Ontario to Indianapolis?
To ensure you get the cheapest price possible for a flight from Ontario to Indianapolis, you should look to book at least 21 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Ontario to Indianapolis?
Currently, February is the cheapest month in which you can book a flight from Ontario to Indianapolis (average of $256). Flying from Ontario to Indianapolis in June is currently the most expensive (average of $434). 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 Ontario to Indianapolis?
What’s the top layover airport for flights from Ontario to Indianapolis?
Share of 1-stop round-trip flights from Ontario to Indianapolis chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 50% of 1-stop itineraries from Ontario to Indianapolis on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to Indianapolis?
Average round-trip fare for 1-stop flights from Ontario to Indianapolis, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $376.
What’s the fastest layover option from Ontario to Indianapolis?
Shortest average travel time for 1-stop one-way flights from Ontario to Indianapolis, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 5h 20m.
Which airport typically offers the quickest layover for flights from Ontario to Indianapolis?
Average layover duration for 1-stop one-way flights from Ontario to Indianapolis, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 08m.
Reviews of airlines servicing Indianapolis
Get insights into the airlines that provide service to Indianapolis. 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 Indianapolis. Reviews last updated May 9, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from Ontario to Indianapolis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
7.9
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
7.9
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
7.9
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
7.9
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Indianapolis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Indianapolis?
Book flights to Indianapolis if you plan to visit one of these locationsTerre Haute
Muncie
Greenwood
Fishers
Kokomo
Plainfield
Mooresville
Anderson
Franklin
Carmel
Noblesville
Bloomington
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Other flights to Indianapolis
Explore flights to Indianapolis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 9, 2026.
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Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on May 9, 2026.
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Top 4 airlines flying from Ontario to Indianapolis
Discover the top 4 airlines that operate flights from Ontario to Indianapolis. 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 May 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$245 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$292 | Average$427 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$432 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$321 | Average$436 | FlexibilityNo cancel fee | On-time63% |