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$396+ Cheap flights from Bloomington, IL to Ontario (BMI - ONT)

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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
BMI — ONT
gen 29 — feb 51
gio 1/29
gio 2/5
1 adult, Economy
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Cheap flight deals from Bloomington to Ontario

Best flights from Bloomington to Ontario
Discover carefully curated flight deals from Bloomington to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated dicembre 30, 2025.

This Delta deal was found by Cheapflights users on 12/29. 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.
sab 5/234:00 pmBMI - ONT
1 stop8h 09mDelta
sab 5/3012:00 pmONT - BMI
1 stop8h 23mDelta
Deal found 12/29$399
This Delta deal was found by Cheapflights users on 12/30. 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.
mar 6/212:00 pmBMI - ONT
1 stop8h 15mDelta
mer 7/2912:00 pmONT - BMI
1 stop8h 22mDelta
Deal found 12/30$429
This Delta deal was found by Cheapflights users on 12/29. 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.
sab 2/213:36 pmBMI - ONT
1 stop7h 29mDelta
lun 2/231:15 pmONT - BMI
1 stop6h 51mDelta
Deal found 12/29$439
This Delta deal was found by Cheapflights users on 12/30. 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.
lun 6/112:00 pmBMI - ONT
1 stop8h 15mDelta
mer 7/2912:00 pmONT - BMI
1 stop8h 22mDelta
Deal found 12/30$469
This Delta deal was found by Cheapflights users on 12/30. 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.
ven 5/2912:00 pmBMI - ONT
1 stop8h 15mDelta
mer 7/2912:00 pmONT - BMI
1 stop8h 22mDelta
Deal found 12/30$469
This Delta deal was found by Cheapflights users on 12/30. 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.
sab 5/304:00 pmBMI - ONT
1 stop8h 09mDelta
sab 7/2512:00 pmONT - BMI
1 stop8h 22mDelta
Deal found 12/30$487
This Delta deal was found by Cheapflights users on 12/30. 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.
mer 5/274:00 pmBMI - ONT
1 stop8h 09mDelta
gio 7/3012:00 pmONT - BMI
1 stop8h 22mDelta
Deal found 12/30$517
This Delta deal was found by Cheapflights users on 12/30. 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.
sab 5/304:00 pmBMI - ONT
1 stop8h 09mDelta
mar 7/2812:00 pmONT - BMI
1 stop8h 22mDelta
Deal found 12/30$517
This Delta deal was found by Cheapflights users on 12/30. 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.
sab 5/3012:00 pmBMI - ONT
1 stop8h 15mDelta
gio 7/3012:00 pmONT - BMI
1 stop8h 22mDelta
Deal found 12/30$517
This Delta deal was found by Cheapflights users on 12/30. 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.
mer 5/274:00 pmBMI - ONT
1 stop8h 09mDelta
mar 7/2812:00 pmONT - BMI
1 stop8h 22mDelta
Deal found 12/30$517
This Delta deal was found by Cheapflights users on 12/30. 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.
lun 6/112:00 pmBMI - ONT
1 stop8h 15mDelta
sab 7/2512:00 pmONT - BMI
1 stop8h 22mDelta
Deal found 12/30$527
This Delta deal was found by Cheapflights users on 12/30. 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.
ven 5/294:00 pmBMI - ONT
1 stop8h 09mDelta
sab 7/2512:00 pmONT - BMI
1 stop8h 22mDelta
Deal found 12/30$527

Find flight deals from Bloomington to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Bloomington (BMI) to Ontario (ONT). 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 dicembre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$399
(Delta)

Popular in

December

Cheapest in

August

Average price

$776
Provider with most accurate pricing for Bloomington-Normal-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bloomington-Normal-Ontario flights.
Search Deals
From Bloomington-Normal to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bloomington to Ontario 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 dicembre 30, 2025.
Use the filters below to find and compare flights from Bloomington to Ontario that are best for you.

Fly from

Bloomington

Fly to

Ontario

Route

Depart

Return

Price

BloomingtonOntario

BMI - ONT

BMIONT

Bloomington-Normal

sab 5/23

4:00 pm-10:09 pm

1 stop8h 09m

Ontario

sab 5/30

12:00 pm-10:23 pm

1 stop8h 23m

$399

BloomingtonOntario

BMI - ONT

BMIONT

Bloomington-Normal

mar 6/2

12:00 pm-6:15 pm

1 stop8h 15m

Ontario

mer 7/29

12:00 pm-10:22 pm

1 stop8h 22m

$429

BloomingtonOntario

BMI - ONT

BMIONT

Bloomington-Normal

sab 2/21

3:36 pm-9:05 pm

1 stop7h 29m

Ontario

lun 2/23

1:15 pm-10:06 pm

1 stop6h 51m

$439

BloomingtonOntario

BMI - ONT

BMIONT

Bloomington-Normal

lun 6/1

12:00 pm-6:15 pm

1 stop8h 15m

Ontario

mer 7/29

12:00 pm-10:22 pm

1 stop8h 22m

$469

BloomingtonOntario

BMI - ONT

BMIONT

Bloomington-Normal

ven 5/29

12:00 pm-6:15 pm

1 stop8h 15m

Ontario

mer 7/29

12:00 pm-10:22 pm

1 stop8h 22m

$469

BloomingtonOntario

BMI - ONT

BMIONT

Bloomington-Normal

sab 5/30

4:00 pm-10:09 pm

1 stop8h 09m

Ontario

sab 7/25

12:00 pm-10:22 pm

1 stop8h 22m

$487

BloomingtonOntario

BMI - ONT

BMIONT

Bloomington-Normal

mer 5/27

4:00 pm-10:09 pm

1 stop8h 09m

Ontario

gio 7/30

12:00 pm-10:22 pm

1 stop8h 22m

$517

BloomingtonOntario

BMI - ONT

BMIONT

Bloomington-Normal

sab 5/30

4:00 pm-10:09 pm

1 stop8h 09m

Ontario

mar 7/28

12:00 pm-10:22 pm

1 stop8h 22m

$517

BloomingtonOntario

BMI - ONT

BMIONT

Bloomington-Normal

sab 5/30

12:00 pm-6:15 pm

1 stop8h 15m

Ontario

gio 7/30

12:00 pm-10:22 pm

1 stop8h 22m

$517

BloomingtonOntario

BMI - ONT

BMIONT

Bloomington-Normal

mer 5/27

4:00 pm-10:09 pm

1 stop8h 09m

Ontario

mar 7/28

12:00 pm-10:22 pm

1 stop8h 22m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Showing 1-10 of 12 results
1
2

Compare providers for flights from Bloomington to Ontario

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 Bloomington to Ontario in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bloomington, Illinois-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bloomington, Illinois-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bloomington, Illinois-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bloomington, Illinois-Ontario flights, Cheapflights users trust eDreams the most. eDreams 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 Bloomington, Illinois-Ontario 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 Bloomington to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Bloomington 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 Bloomington to Ontario

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

Currently, May is the cheapest month in which you can book a flight from Bloomington, Illinois to Ontario (average of $132). Flying from Bloomington, Illinois to Ontario in March is currently the most expensive (average of $328). 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.

Related info for your journey

Find useful and relevant information for your journey from Bloomington to Ontario. 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 Bloomington, Illinois to Ontario?

    There are many flights that can get you from Bloomington, Illinois to Ontario in 8h 09m. Fly via Delta to get the fastest option. Airlines will cover a distance of 1629 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bloomington to Ontario 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 Bloomington, Illinois to Ontario?

    Currently, May is the cheapest month in which you can book a flight from Bloomington, Illinois to Ontario (average of $132). Flying from Bloomington, Illinois to Ontario in March is currently the most expensive (average of $328). 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

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