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$339+ Cheap flights from Ontario to Bloomington, IL (ONT - BMI)

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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BMI
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap 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 January 28, 2026.

This Delta deal was found by Cheapflights users on 1/26. 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 2/251:15 pm
ONT
-
BMI
1 stop6h 51m
Delta
Wed 3/43:36 pm
BMI
-
ONT
1 stop7h 29m
Delta
Deal found 1/26$379

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$379
(Delta)

One-way from

$339
(Delta)
Provider with most accurate pricing for Ontario-Bloomington-Normal flight deals.
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Provider most trusted by Cheapflights users for Ontario-Bloomington-Normal flights.
Search Deals
From Ontario to Bloomington-Normal
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One-way flight from Ontario to Bloomington-Normal
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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 January 28, 2026.
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

Wed 2/25

1:15 pm-10:06 pm

1 stop6h 51m

Bloomington-Normal

Wed 3/4

3:36 pm-9:05 pm

1 stop7h 29m

$379

OntarioBloomington

ONT - BMI

ONTBMI

Ontario

Sat 2/14

1:15 pm-10:06 pm

1 stop6h 51m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

  • 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.
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, January is the cheapest month in which you can book a flight from Ontario to Bloomington, Illinois (average of $288). Flying from Ontario to Bloomington, Illinois in May is currently the most expensive (average of $412). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Bloomington

Get insights into the airlines that provide service to Bloomington. 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 Bloomington. Reviews last updated January 28, 2026.
Read reviews from past customers who have flown American Airlines from Ontario to Bloomington. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,201 reviews

Food

6.4

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Crew

8.0

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,201 reviews
American Airlines
7.2
Good
11,201 reviews

Food

6.4

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Crew

8.0

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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 6h 51m. Fly via Delta to get the fastest option. There are 1629 mi between Ontario and Bloomington, Illinois.

  • What is the cheapest airline to fly from Ontario to Bloomington, Illinois round-trip?

    Currently priced at $378, American Airlines will fly you from Ontario to Bloomington, Illinois and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip.

  • 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, January is the cheapest month in which you can book a flight from Ontario to Bloomington, Illinois (average of $288). Flying from Ontario to Bloomington, Illinois in May is currently the most expensive (average of $412). 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?

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Top airline flying from Ontario to Bloomington

Discover the top airline that operate flights from Ontario to Bloomington. 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$378Average$495FlexibilityNo cancel feeOn-time71%

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