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$397+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BMI
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 15, 2025.

Round-trip from

$397
(Delta)
From Ontario to Bloomington-Normal
Search Deals

Find flight deals from Ontario to Bloomington

Cheapest flights from Ontario to Bloomington
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 15, 2025.

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.
Wed 10/111:55 amONT - BMI
1 stop8h 16mDelta
Tue 10/73:42 pmBMI - ONT
1 stop8h 40mDelta
Deal found 9/12$397
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.
Tue 9/3011:55 amONT - BMI
1 stop8h 16mDelta
Tue 10/73:42 pmBMI - ONT
1 stop8h 40mDelta
Deal found 9/12$404
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.
Wed 10/111:55 amONT - BMI
1 stop8h 16mDelta
Wed 10/83:42 pmBMI - ONT
1 stop8h 40mDelta
Deal found 9/12$434
This Delta deal was found by Cheapflights users on 9/13. 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 9/1711:55 amONT - BMI
1 stop8h 16mDelta
Tue 9/233:39 pmBMI - ONT
1 stop8h 44mDelta
Deal found 9/13$441
This American Airlines deal was found by Cheapflights users on 9/13. 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 9/176:10 amONT - BMI
2 stops12h 42mAmerican Airlines
Tue 9/233:54 pmBMI - ONT
1 stop8h 39mAmerican Airlines
Deal found 9/13$446
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.
Fri 10/311:55 amONT - BMI
1 stop8h 16mDelta
Tue 10/73:42 pmBMI - ONT
1 stop8h 40mDelta
Deal found 9/12$468
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.
Fri 10/311:55 amONT - BMI
1 stop8h 16mDelta
Wed 10/83:42 pmBMI - ONT
1 stop8h 40mDelta
Deal found 9/12$505
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.
Tue 9/3012:47 pmONT - BMI
1 stop6h 05mAmerican Airlines
Sat 10/43:54 pmBMI - ONT
1 stop8h 39mAmerican Airlines
Deal found 9/12$509
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.
Tue 9/3011:55 amONT - BMI
1 stop8h 16mDelta
Mon 10/63:42 pmBMI - ONT
1 stop8h 40mDelta
Deal found 9/12$549
This American Airlines deal was found by Cheapflights users on 9/13. 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 11/2112:53 pmONT - BMI
1 stop6h 50mAmerican Airlines
Thu 11/275:00 amBMI - ONT
2 stops12h 24mAmerican Airlines
Deal found 9/13$554
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 9/2812:45 pmONT - BMI
1 stop7h 59mAmerican Airlines
Sat 10/43:54 pmBMI - ONT
1 stop8h 39mAmerican Airlines
Deal found 9/12$564

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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Ontario to Bloomington that are best for you.

Fly from

Ontario

Fly to

Bloomington

Route

Depart

Return

Price

OntarioBloomington

ONT - BMI

ONTBMI

Ontario

Sat 10/4

11:55 am-10:11 pm

1 stop8h 16m

Bloomington-Normal

Tue 10/7

3:42 pm-10:22 pm

1 stop8h 40m

$397

OntarioBloomington

ONT - BMI

ONTBMI

Ontario

Wed 10/1

11:55 am-10:11 pm

1 stop8h 16m

Bloomington-Normal

Tue 10/7

3:42 pm-10:22 pm

1 stop8h 40m

$397

OntarioBloomington

ONT - BMI

ONTBMI

Ontario

Tue 9/30

11:55 am-10:11 pm

1 stop8h 16m

Bloomington-Normal

Tue 10/7

3:42 pm-10:22 pm

1 stop8h 40m

$404

OntarioBloomington

ONT - BMI

ONTBMI

Ontario

Sat 10/4

11:55 am-10:11 pm

1 stop8h 16m

Bloomington-Normal

Wed 10/8

3:42 pm-10:22 pm

1 stop8h 40m

$434

OntarioBloomington

ONT - BMI

ONTBMI

Ontario

Wed 10/1

11:55 am-10:11 pm

1 stop8h 16m

Bloomington-Normal

Wed 10/8

3:42 pm-10:22 pm

1 stop8h 40m

$434

OntarioBloomington

ONT - BMI

ONTBMI

Ontario

Tue 9/30

11:55 am-10:11 pm

1 stop8h 16m

Bloomington-Normal

Wed 10/8

3:42 pm-10:22 pm

1 stop8h 40m

$441

OntarioBloomington

ONT - BMI

ONTBMI

Ontario

Fri 10/3

11:55 am-10:11 pm

1 stop8h 16m

Bloomington-Normal

Tue 10/7

3:42 pm-10:22 pm

1 stop8h 40m

$468

OntarioBloomington

ONT - BMI

ONTBMI

Ontario

Wed 10/1

12:47 pm-8:52 pm

1 stop6h 05m

Bloomington-Normal

Sat 10/4

3:54 pm-10:33 pm

1 stop8h 39m

$509

OntarioBloomington

ONT - BMI

ONTBMI

Ontario

Tue 9/30

12:47 pm-8:52 pm

1 stop6h 05m

Bloomington-Normal

Sat 10/4

3:54 pm-10:33 pm

1 stop8h 39m

$509

OntarioBloomington

ONT - BMI

ONTBMI

Ontario

Tue 9/30

11:55 am-10:11 pm

1 stop8h 16m

Bloomington-Normal

Mon 10/6

3:42 pm-10:22 pm

1 stop8h 40m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 12 results
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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.
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 Bloomington

What is the cheapest month to book a flight from Ontario to Bloomington, Illinois?

Currently, August is the cheapest month in which you can book a flight from Ontario to Bloomington, Illinois (average of $353). Flying from Ontario to Bloomington, Illinois in March is currently the most expensive (average of $515). 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.

What is the cheapest time of day to fly from ONT to BMI?

Find hourly flight availability from Ontario to Bloomington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Ontario to Bloomington, Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

  • How long is the flight from Ontario to Bloomington, Illinois?

    There are many flights that can get you from Ontario to Bloomington, Illinois in 8h 16m. Fly via Delta to get the fastest option. There are 1629 mi between Ontario and Bloomington, Illinois.

  • Can I find deals for flights from Ontario to Bloomington that include hotel bookings?

    Yes. In addition to deals on Ontario to Bloomington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Bloomington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Bloomington.

  • Can I find deals for business class flights from Ontario to Bloomington?

    Yes. Cheapflights offers flight deals from Ontario to Bloomington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Bloomington, Illinois?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Bloomington, Illinois (average of $353). Flying from Ontario to Bloomington, Illinois in March is currently the most expensive (average of $515). 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.

See more FAQs

Traveling to a place near Bloomington?

Book flights to Bloomington if you plan to visit one of these locations
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