$439+ Cheap flights from Ontario to Bloomington, IL (ONT - BMI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BMI
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Bloomington 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 Bloomington
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Best
Last-minute
Cheapest flights from Ontario to BloomingtonExplore the most affordable flight options available from Ontario to Bloomington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from Ontario to Bloomington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This Delta deal was found by Cheapflights users on 9/11. 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 10/1612:16 pm -
1 stop8h 20m
Sun 10/184:26 pm -
1 stop7h 28m
Deal found 9/11![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 9/11. 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 10/1612:16 pm -
1 stop8h 20m
Wed 10/2112:13 pm -
1 stop10h 12m
Deal found 9/11![Delta logo]()
$469
This Delta deal was found by Cheapflights users on 9/11. 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 10/1612:16 pm -
1 stop8h 20m
Sat 10/2412:13 pm -
2 stops11h 58m
Deal found 9/11![Delta logo]()
$474
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:22 pm -
1 stop6h 36m
Sat 10/243:58 pm -
1 stop7h 23m
Deal found 9/11![American Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:37 pm -
1 stop7h 31m
Sat 10/34:24 pm -
1 stop8h 13m
Deal found 9/11![American Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 9/11. 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 9/2212:17 pm -
1 stop8h 17m
Sat 10/312:04 pm -
1 stop8h 37m
Deal found 9/11![Delta logo]()
$495
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:17 pm -
1 stop8h 17m
Tue 9/226:08 am -
1 stop6h 57m
Deal found 9/9![Delta logo]()
$519
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:17 pm -
1 stop8h 17m
Sat 9/1912:04 pm -
1 stop8h 37m
Deal found 9/9![Delta logo]()
$525
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:37 pm -
1 stop7h 31m
Tue 9/296:30 am -
1 stop7h 17m
Deal found 9/11![American Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:05 am -
1 stop6h 40m
Sat 9/1912:04 pm -
1 stop8h 37m
Deal found 9/8![Delta logo]()
$539
Best flights from Ontario to BloomingtonDiscover carefully curated flight deals from Ontario to Bloomington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Ontario to Bloomington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This Delta deal was found by Cheapflights users on 9/11. 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 10/1712:16 pm -
1 stop8h 20m
Wed 10/216:06 am -
2 stops12h 17m
Deal found 9/11![Delta logo]()
$534
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/287:36 pm -
2 stops15h 40m
Sat 1/26:05 am -
1 stop7h 46m
Deal found 9/12![American Airlines logo]()
$694
This Delta deal was found by Cheapflights users on 9/10. 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 11/612:16 pm -
1 stop8h 20m
Sun 11/812:13 pm -
1 stop8h 09m
Deal found 9/10![Delta logo]()
$548
This Delta deal was found by Cheapflights users on 9/12. 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 11/77:07 am -
1 stop6h 37m
Sun 11/812:13 pm -
1 stop8h 09m
Deal found 9/12![Delta logo]()
$598
This Delta deal was found by Cheapflights users on 9/11. 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 10/37:05 am -
1 stop6h 40m
Tue 10/136:06 am -
1 stop16h 19m
Deal found 9/11![Delta logo]()
$663
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:20 am -
2 stops11h 56m
Mon 11/302:33 pm -
2 stops9h 19m
Deal found 9/10![American Airlines logo]()
$804
This Delta deal was found by Cheapflights users on 9/11. 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.
Mon 10/195:03 pm -
2 stops16h 23m
Sat 10/2412:13 pm -
1 stop9h 17m
Deal found 9/11![Delta logo]()
$668
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/272:22 pm -
1 stop6h 25m
Thu 10/16:30 am -
1 stop8h 55m
Deal found 9/12![American Airlines logo]()
$937
This Delta deal was found by Cheapflights users on 9/10. 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.
Mon 11/2312:18 pm -
1 stop8h 13m
Sun 11/2912:06 pm -
1 stop11h 51m
Deal found 9/10![Delta logo]()
$843
This Delta deal was found by Cheapflights users on 9/10. 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.
Mon 11/237:05 am -
1 stop6h 40m
Sat 11/284:28 pm -
1 stop7h 29m
Deal found 9/10![Delta logo]()
$899
Last-minute flights from Ontario to BloomingtonDiscover last-minute flight deals from Ontario to Bloomington. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Bloomington. Data last updated September 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:05 am -
1 stop6h 40m
Tue 9/226:08 am -
1 stop6h 57m
Deal found 9/9![Delta logo]()
$525
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:17 pm -
1 stop8h 17m
Tue 9/226:08 am -
1 stop6h 57m
Deal found 9/9![Delta logo]()
$519
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:05 am -
1 stop6h 40m
Sat 9/1912:04 pm -
1 stop8h 37m
Deal found 9/8![Delta logo]()
$539
This Delta deal was found by Cheapflights users on 9/11. 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 9/2212:17 pm -
1 stop8h 17m
Sat 10/312:04 pm -
1 stop8h 37m
Deal found 9/11![Delta logo]()
$495
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:37 pm -
1 stop7h 31m
Sat 10/34:24 pm -
1 stop8h 13m
Deal found 9/11![American Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:37 pm -
1 stop7h 31m
Tue 9/296:30 am -
1 stop7h 17m
Deal found 9/11![American Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:22 pm -
1 stop6h 36m
Sat 10/243:58 pm -
1 stop7h 23m
Deal found 9/11![American Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 9/11. 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 10/1612:16 pm -
1 stop8h 20m
Sun 10/184:26 pm -
1 stop7h 28m
Deal found 9/11![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 9/11. 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 10/1612:16 pm -
1 stop8h 20m
Wed 10/2112:13 pm -
1 stop10h 12m
Deal found 9/11![Delta logo]()
$469
This Delta deal was found by Cheapflights users on 9/11. 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 10/1612:16 pm -
1 stop8h 20m
Sat 10/2412:13 pm -
2 stops11h 58m
Deal found 9/11![Delta logo]()
$474
Find flight deals from Ontario to Bloomington
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Bloomington (BMI). 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 September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $439 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Bloomington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 13, 2026.
Use the filters below to find and compare flights from Ontario to Bloomington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioBloomington
ONT Ontario - BMI Bloomington-Normal
ONTBMI
Ontario
Sat 10/17
12:16 pm-10:36 pm
1 stop8h 20m
Bloomington-Normal
Wed 10/21
6:06 am-4:23 pm
2 stops12h 17m
$534
OntarioBloomington
ONT Ontario - BMI Bloomington-Normal
ONTBMI
Ontario
Fri 11/6
12:16 pm-10:36 pm
1 stop8h 20m
Bloomington-Normal
Sun 11/8
12:13 pm-6:22 pm
1 stop8h 09m
$548
OntarioBloomington
ONT Ontario - BMI Bloomington-Normal
ONTBMI
Ontario
Sat 11/7
7:07 am-3:44 pm
1 stop6h 37m
Bloomington-Normal
Sun 11/8
12:13 pm-6:22 pm
1 stop8h 09m
$598
OntarioBloomington
ONT Ontario - BMI Bloomington-Normal
ONTBMI
Ontario
Sat 10/3
7:05 am-3:45 pm
1 stop6h 40m
Bloomington-Normal
Tue 10/13
6:06 am-8:25 pm
1 stop16h 19m
$663
OntarioBloomington
ONT Ontario - BMI Bloomington-Normal
ONTBMI
Ontario
Mon 10/19
5:03 pm-11:26 am
2 stops16h 23m
Bloomington-Normal
Sat 10/24
12:13 pm-7:30 pm
1 stop9h 17m
$668
OntarioBloomington
ONT Ontario - BMI Bloomington-Normal
ONTBMI
Ontario
Mon 12/28
7:36 pm-1:16 pm
2 stops15h 40m
Bloomington-Normal
Sat 1/2
6:05 am-11:51 am
1 stop7h 46m
$694
OntarioBloomington
ONT Ontario - BMI Bloomington-Normal
ONTBMI
Ontario
Tue 11/24
9:20 am-11:16 pm
2 stops11h 56m
Bloomington-Normal
Mon 11/30
2:33 pm-9:52 pm
2 stops9h 19m
$804
OntarioBloomington
ONT Ontario - BMI Bloomington-Normal
ONTBMI
Ontario
Mon 11/23
12:18 pm-10:31 pm
1 stop8h 13m
Bloomington-Normal
Sun 11/29
12:06 pm-9:57 pm
1 stop11h 51m
$843
Quickest round-trip
OntarioBloomington
ONT Ontario - BMI Bloomington-Normal
ONTBMI
Ontario
Mon 11/23
7:05 am-3:45 pm
1 stop6h 40m
Bloomington-Normal
Sat 11/28
4:28 pm-9:57 pm
1 stop7h 29m
$899
OntarioBloomington
ONT Ontario - BMI Bloomington-Normal
ONTBMI
Ontario
Sun 9/27
2:22 pm-10:47 pm
1 stop6h 25m
Bloomington-Normal
Thu 10/1
6:30 am-1:25 pm
1 stop8h 55m
$937
Sorted by cheapest first
Compare providers for flights from Ontario to Bloomington
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 Bloomington in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Bloomington, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Bloomington, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Bloomington, Illinois flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Bloomington, Illinois 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-Bloomington, Illinois 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 Bloomington
Have a flexible travel schedule? Discover the best time to fly to Bloomington from Ontario with our price prediction graph.
ONT-BMI
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.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Bloomington. 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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Book flights to Bloomington if you plan to visit one of these locationsNormal
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