$80+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IND
May 9 — May 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Indianapolis
Cheapest
Best
Last-minute
One-way
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 April 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 April 9, 2026.
This Expedia deal was found by Cheapflights users on 4/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:59 am
ONT
- IND
1 stop16h 01m
Frontier
Mon 5/118:39 pm
IND
- ONT
1 stop16h 26m
Frontier
Deal found 4/6![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 4/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/74:04 pm
ONT
- IND
1 stop22h 50m
Frontier
Mon 5/116:49 pm
IND
- ONT
1 stop23h 55m
Frontier
Deal found 4/7![Frontier logo]()
$162
This Booking.com deal was found by Cheapflights users on 4/8. 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.
Fri 5/810:50 am
ONT
- IND
1 stop6h 04m
Frontier
Mon 5/116:49 pm
IND
- ONT
1 stop23h 55m
Frontier
Deal found 4/8![Frontier logo]()
$167
This CheapOair deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:15 am
ONT
- IND
1 stop8h 08m
Frontier
Sun 4/263:22 pm
IND
- ONT
1 stop24h 48m
Frontier
Deal found 4/5![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
ONT
- IND
1 stop10h 54m
Frontier
Mon 5/118:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Deal found 4/7![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 4/6. 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.
Sun 5/1010:50 am
ONT
- IND
1 stop6h 04m
Frontier
Mon 5/188:39 pm
IND
- ONT
1 stop16h 26m
Frontier
Deal found 4/6![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 4/4. 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.
Sun 4/199:09 pm
ONT
- IND
1 stop12h 48m
Frontier
Thu 4/236:08 pm
IND
- ONT
1 stop8h 47m
Frontier
Deal found 4/4![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 4/8. 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.
Sun 5/106:00 am
ONT
- IND
1 stop10h 54m
Frontier
Fri 5/158:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Deal found 4/8![Frontier logo]()
$205
This Expedia deal was found by Cheapflights users on 4/7. 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.
Sun 4/2612:59 am
ONT
- IND
1 stop16h 01m
Frontier
Thu 4/308:46 pm
IND
- ONT
1 stop13h 45m
Frontier
Deal found 4/7![Frontier logo]()
$206
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 April 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 April 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
ONT
- IND
1 stop8h 57m
Alaska Airlines
Tue 5/57:10 am
IND
- ONT
1 stop10h 22m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 4/5. 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 4/2910:15 pm
ONT
- IND
1 stop7h 45m
Delta
Wed 5/67:02 am
IND
- ONT
1 stop8h 12m
Delta
Deal found 4/5![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 4/4. 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.
Tue 6/162:50 pm
ONT
- IND
1 stop6h 25m
Southwest
Fri 6/196:10 am
IND
- ONT
1 stop5h 55m
Southwest
Deal found 4/4![Southwest logo]()
$432
This Delta deal was found by Cheapflights users on 4/5. 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 4/2810:15 pm
ONT
- IND
1 stop7h 45m
Delta
Thu 5/77:54 am
IND
- ONT
1 stop7h 25m
Delta
Deal found 4/5![Delta logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:03 pm
ONT
- IND
1 stop10h 42m
Alaska Airlines
Wed 5/206:39 pm
IND
- ONT
1 stop8h 19m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 4/5. 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.
Sat 5/21:29 pm
ONT
- IND
1 stop6h 26m
Delta
Mon 5/47:05 am
IND
- ONT
1 stop7h 31m
Delta
Deal found 4/5![Delta logo]()
$393
This Southwest deal was found by Cheapflights users on 4/8. 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.
Wed 6/172:50 pm
ONT
- IND
1 stop6h 25m
Southwest
Sat 6/204:30 pm
IND
- ONT
2 stops9h 20m
Southwest
Deal found 4/8![Southwest logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:03 pm
ONT
- IND
1 stop10h 42m
Alaska Airlines
Sun 5/246:39 pm
IND
- ONT
1 stop8h 19m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$432
This Southwest deal was found by Cheapflights users on 4/4. 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.
Mon 6/812:00 pm
ONT
- IND
2 stops10h 40m
Southwest
Thu 6/112:55 pm
IND
- ONT
2 stops8h 15m
Southwest
Deal found 4/4![Southwest logo]()
$448
This Delta deal was found by Cheapflights users on 4/5. 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 4/3012:49 pm
ONT
- IND
1 stop6h 43m
Delta
Thu 5/77:54 am
IND
- ONT
1 stop7h 25m
Delta
Deal found 4/5![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 4/4. 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.
Tue 6/95:59 pm
ONT
- IND
2 stops12h 51m
Delta
Sun 6/144:19 pm
IND
- ONT
2 stops10h 26m
Delta
Deal found 4/4![Delta logo]()
$442
Last-minute flights from Ontario to IndianapolisDiscover last-minute flight deals from Ontario to Indianapolis. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Indianapolis. Data last updated April 9, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/4. 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.
Sun 4/199:09 pm
ONT
- IND
1 stop12h 48m
Frontier
Thu 4/236:08 pm
IND
- ONT
1 stop8h 47m
Frontier
Deal found 4/4![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:15 am
ONT
- IND
1 stop8h 08m
Frontier
Sun 4/263:22 pm
IND
- ONT
1 stop24h 48m
Frontier
Deal found 4/5![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 4/7. 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.
Sun 4/2612:59 am
ONT
- IND
1 stop16h 01m
Frontier
Thu 4/308:46 pm
IND
- ONT
1 stop13h 45m
Frontier
Deal found 4/7![Frontier logo]()
$206
This Expedia deal was found by Cheapflights users on 4/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:59 am
ONT
- IND
1 stop16h 01m
Frontier
Mon 5/118:39 pm
IND
- ONT
1 stop16h 26m
Frontier
Deal found 4/6![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 4/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/74:04 pm
ONT
- IND
1 stop22h 50m
Frontier
Mon 5/116:49 pm
IND
- ONT
1 stop23h 55m
Frontier
Deal found 4/7![Frontier logo]()
$162
This Booking.com deal was found by Cheapflights users on 4/8. 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.
Fri 5/810:50 am
ONT
- IND
1 stop6h 04m
Frontier
Mon 5/116:49 pm
IND
- ONT
1 stop23h 55m
Frontier
Deal found 4/8![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
ONT
- IND
1 stop10h 54m
Frontier
Mon 5/118:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Deal found 4/7![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 4/6. 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.
Sun 5/1010:50 am
ONT
- IND
1 stop6h 04m
Frontier
Mon 5/188:39 pm
IND
- ONT
1 stop16h 26m
Frontier
Deal found 4/6![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 4/8. 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.
Sun 5/106:00 am
ONT
- IND
1 stop10h 54m
Frontier
Fri 5/158:39 pm
IND
- ONT
1 stop6h 10m
Frontier
Deal found 4/8![Frontier logo]()
$205
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 April 9, 2026.
Search for one-way flight options from Ontario to Indianapolis. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
This Frontier deal was found by Cheapflights users on 4/8. 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 5/88:44 am
ONT
- IND
1 stop6h 10m
Frontier
Deal found 4/8![Frontier logo]()
$80
This Expedia deal was found by Cheapflights users on 4/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:59 am
ONT
- IND
1 stop16h 01m
Frontier
Deal found 4/6![Frontier logo]()
$86
This Super.com deal was found by Cheapflights users on 4/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:09 pm
ONT
- IND
1 stop12h 48m
Frontier
Deal found 4/5![Frontier logo]()
$106
This Frontier deal was found by Cheapflights users on 4/8. 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.
Sun 4/269:29 pm
ONT
- IND
1 stop12h 28m
Frontier
Deal found 4/8![Frontier logo]()
$107
This Booking.com deal was found by Cheapflights users on 4/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:59 am
ONT
- IND
1 stop16h 01m
Frontier
Deal found 4/7![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Tue 5/510:50 am
ONT
- IND
2 stops21h 13m
Frontier
Deal found 4/5![Frontier logo]()
$113
This Trip.com deal was found by Cheapflights users on 4/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:44 pm
ONT
- IND
2 stops12h 27m
Frontier
Deal found 4/4![Frontier logo]()
$114
This Super.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:15 am
ONT
- IND
1 stop8h 11m
Frontier
Deal found 4/6![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:59 am
ONT
- IND
1 stop16h 01m
Frontier
Deal found 4/6![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 April 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Expedia) |
One-way from | $80 (Frontier) |
Popular in | May |
Cheapest in | February |
Average price | $316 |
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 April 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
Tue 4/28
6:00 am-5:57 pm
1 stop8h 57m
Indianapolis
Tue 5/5
7:10 am-2:32 pm
1 stop10h 22m
$387
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Wed 4/29
10:15 pm-9:00 am
1 stop7h 45m
Indianapolis
Wed 5/6
7:02 am-12:14 pm
1 stop8h 12m
$387
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Tue 4/28
10:15 pm-9:00 am
1 stop7h 45m
Indianapolis
Thu 5/7
7:54 am-12:19 pm
1 stop7h 25m
$393
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Sat 5/2
1:29 pm-10:55 pm
1 stop6h 26m
Indianapolis
Mon 5/4
7:05 am-11:36 am
1 stop7h 31m
$393
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Wed 5/13
4:03 pm-5:45 am
1 stop10h 42m
Indianapolis
Wed 5/20
6:39 pm-11:58 pm
1 stop8h 19m
$412
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Thu 4/30
12:49 pm-10:32 pm
1 stop6h 43m
Indianapolis
Thu 5/7
7:54 am-12:19 pm
1 stop7h 25m
$429
Quickest round-trip
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Tue 6/16
2:50 pm-12:15 am
1 stop6h 25m
Indianapolis
Fri 6/19
6:10 am-9:05 am
1 stop5h 55m
$432
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Wed 5/13
4:03 pm-5:45 am
1 stop10h 42m
Indianapolis
Sun 5/24
6:39 pm-11:58 pm
1 stop8h 19m
$432
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Wed 6/17
2:50 pm-12:15 am
1 stop6h 25m
Indianapolis
Sat 6/20
4:30 pm-10:50 pm
2 stops9h 20m
$437
OntarioIndianapolis
ONT - IND
ONTIND
Ontario
Tue 6/9
5:59 pm-9:50 am
2 stops12h 51m
Indianapolis
Sun 6/14
4:19 pm-11:45 pm
2 stops10h 26m
$442
Showing 1-10 of 23 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| 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
Prices
More
How far ahead should I book a flight from Ontario to Indianapolis?
Use this chart to determine the optimal time to book a round-trip flight from Ontario to Indianapolis. Price data was last updated on April 3, 2026.
To ensure you get the cheapest price possible for a flight from Ontario to Indianapolis, you should look to book at least 22 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, August is the cheapest month in which you can book a flight from Ontario to Indianapolis (average of $95). Flying from Ontario to Indianapolis in January is currently the most expensive (average of $228). 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 April 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.
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
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
Crawfordsville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Indianapolis flight routes
Other flight options
Other flights from Ontario
Popular flights
Alternative routes for Ontario to Indianapolis
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Indianapolis by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Indianapolis by cabin class
Find flights from Ontario to Indianapolis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 April 9, 2026.
Ontario and Indianapolis flights
Browse other Ontario and Indianapolis flight options. Last updated on April 9, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on April 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$238 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$292 | Average$436 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$292 | Average$440 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$321 | Average$421 | FlexibilityNo cancel fee | On-time63% |