$379+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
BMI — ONT
Oct 30 — Nov 61
Round-trip
1 adult, Economy
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Find cheap flights from Bloomington to Ontario with Cheapflights
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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
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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 Bloomington to Ontario
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Cheapest flights from Bloomington to OntarioExplore the most affordable flight options available from Bloomington to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
Explore the most affordable flight options available from Bloomington to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
This Delta deal was found by Cheapflights users on 9/28. 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 10/311:30 pm -
1 stop8h 00m
Sat 12/57:05 am -
1 stop6h 43m
Deal found 9/28![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 9/28. 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 10/311:30 pm -
1 stop8h 00m
Mon 12/712:20 pm -
1 stop8h 06m
Deal found 9/28![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 9/28. 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 10/311:30 pm -
1 stop8h 00m
Sun 12/612:20 pm -
1 stop8h 06m
Deal found 9/28![Delta logo]()
$449
This American Airlines deal was found by Cheapflights users on 9/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:30 pm -
2 stops10h 23m
Mon 10/192:22 pm -
1 stop6h 36m
Deal found 9/30![American Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/273:58 pm -
1 stop7h 13m
Mon 11/92:22 pm -
1 stop6h 55m
Deal found 9/28![American Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 9/28. 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 10/264:26 pm -
1 stop7h 28m
Tue 12/87:05 am -
1 stop6h 43m
Deal found 9/28![Delta logo]()
$478
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/273:58 pm -
1 stop7h 13m
Sat 12/57:00 am -
1 stop6h 34m
Deal found 9/28![American Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 9/28. 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 10/264:26 pm -
1 stop7h 28m
Thu 12/37:05 am -
1 stop6h 43m
Deal found 9/28![Delta logo]()
$508
This American Airlines deal was found by Cheapflights users on 9/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/233:50 pm -
1 stop8h 32m
Wed 12/3012:51 pm -
1 stop7h 08m
Deal found 9/29![American Airlines logo]()
$528
This Delta deal was found by Cheapflights users on 9/28. 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 10/56:08 am -
1 stop7h 01m
Tue 12/812:20 pm -
1 stop8h 06m
Deal found 9/28![Delta logo]()
$530
Best flights from Bloomington to OntarioDiscover 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 September 30, 2026.
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 September 30, 2026.
This Delta deal was found by Cheapflights users on 9/28. 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 10/311:30 pm -
1 stop8h 00m
Tue 12/812:20 pm -
1 stop8h 06m
Deal found 9/28![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:30 pm -
2 stops10h 23m
Mon 10/192:22 pm -
1 stop6h 36m
Deal found 9/30![American Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 9/28. 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 10/311:30 pm -
1 stop8h 00m
Wed 12/212:20 pm -
1 stop8h 06m
Deal found 9/28![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 9/28. 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 10/311:30 pm -
1 stop8h 00m
Mon 12/712:20 pm -
1 stop8h 06m
Deal found 9/28![Delta logo]()
$409
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/273:58 pm -
1 stop7h 13m
Mon 11/92:22 pm -
1 stop6h 55m
Deal found 9/28![American Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 9/28. 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 10/264:26 pm -
1 stop7h 28m
Sat 12/57:05 am -
1 stop6h 43m
Deal found 9/28![Delta logo]()
$478
This American Airlines deal was found by Cheapflights users on 9/28. 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 12/233:50 pm -
1 stop8h 32m
Wed 12/309:35 am -
2 stops10h 24m
Deal found 9/28![American Airlines logo]()
$533
This Delta deal was found by Cheapflights users on 9/28. 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.
Sun 10/2512:13 pm -
1 stop8h 09m
Sun 12/612:20 pm -
1 stop8h 06m
Deal found 9/28![Delta logo]()
$739
Last-minute flights from Bloomington to OntarioDiscover last-minute flight deals from Bloomington to Ontario. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from Bloomington to Ontario. Data last updated September 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/28. 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 10/56:08 am -
1 stop7h 01m
Tue 12/812:20 pm -
1 stop8h 06m
Deal found 9/28![Delta logo]()
$530
This American Airlines deal was found by Cheapflights users on 9/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:30 pm -
2 stops10h 23m
Mon 10/192:22 pm -
1 stop6h 36m
Deal found 9/30![American Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 9/28. 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 10/264:26 pm -
1 stop7h 28m
Tue 12/87:05 am -
1 stop6h 43m
Deal found 9/28![Delta logo]()
$478
This Delta deal was found by Cheapflights users on 9/28. 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 10/264:26 pm -
1 stop7h 28m
Thu 12/37:05 am -
1 stop6h 43m
Deal found 9/28![Delta logo]()
$508
This Delta deal was found by Cheapflights users on 9/28. 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 10/264:26 pm -
1 stop7h 28m
Sun 12/612:20 pm -
1 stop8h 06m
Deal found 9/28![Delta logo]()
$548
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/273:58 pm -
1 stop7h 13m
Mon 11/92:22 pm -
1 stop6h 55m
Deal found 9/28![American Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/273:58 pm -
1 stop7h 13m
Sat 12/57:00 am -
1 stop6h 34m
Deal found 9/28![American Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 9/28. 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 10/311:30 pm -
1 stop8h 00m
Sat 12/57:05 am -
1 stop6h 43m
Deal found 9/28![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 9/28. 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 10/311:30 pm -
1 stop8h 00m
Mon 12/712:20 pm -
1 stop8h 06m
Deal found 9/28![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 9/28. 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 10/311:30 pm -
1 stop8h 00m
Sun 12/612:20 pm -
1 stop8h 06m
Deal found 9/28![Delta logo]()
$449
One-way flights from Bloomington to OntarioSearch for one-way flight options from Bloomington to Ontario. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
Search for one-way flight options from Bloomington to Ontario. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
This American Airlines deal was found by Cheapflights users on 9/28. 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 12/233:50 pm -
1 stop8h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![American Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 9/28. 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 12/234:29 pm -
2 stops9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Delta logo]()
$444
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 September 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (Delta) |
Popular in | March |
Cheapest in | April |
Average price | $473 |
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 7,457,451 searches. Data last updated September 30, 2026.
Use the filters below to find and compare flights from Bloomington to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Sat 10/31
1:30 pm-7:30 pm
1 stop8h 00m
Ontario
Tue 12/8
12:20 pm-10:26 pm
1 stop8h 06m
$379
Quickest round-trip
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Wed 12/23
3:50 pm-10:22 pm
1 stop8h 32m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$389
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Sat 10/31
1:30 pm-7:30 pm
1 stop8h 00m
Ontario
Wed 12/2
12:20 pm-10:26 pm
1 stop8h 06m
$409
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Sat 10/31
1:30 pm-7:30 pm
1 stop8h 00m
Ontario
Mon 12/7
12:20 pm-10:26 pm
1 stop8h 06m
$409
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Wed 12/23
4:29 pm-11:59 pm
2 stops9h 30m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$444
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Thu 10/15
2:30 pm-10:53 pm
2 stops10h 23m
Ontario
Mon 10/19
2:22 pm-10:58 pm
1 stop6h 36m
$454
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Tue 10/27
3:58 pm-9:11 pm
1 stop7h 13m
Ontario
Mon 11/9
2:22 pm-11:17 pm
1 stop6h 55m
$459
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Mon 10/26
4:26 pm-9:54 pm
1 stop7h 28m
Ontario
Sat 12/5
7:05 am-3:48 pm
1 stop6h 43m
$478
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Wed 12/23
3:50 pm-10:22 pm
1 stop8h 32m
Ontario
Wed 12/30
9:35 am-9:59 pm
2 stops10h 24m
$533
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Sun 10/25
12:13 pm-6:22 pm
1 stop8h 09m
Ontario
Sun 12/6
12:20 pm-10:26 pm
1 stop8h 06m
$739
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Bloomington, Illinois-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bloomington, Illinois-Ontario flight deals on Cheapflights vs. FlightHub >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 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 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.
BMI-ONT
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.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated September 30, 2026.
See what other customers who have flown with American Airlines from Bloomington to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.2
Entertainment
6.8
Overall
7.0
Boarding
7.4
Food
6.4
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Comfort
7.2
Entertainment
6.8
Overall
7.0
Boarding
7.4
Food
6.4
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
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.
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Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 30, 2026.
Bloomington and Ontario flights
Browse other Bloomington and Ontario flight options. Last updated on September 30, 2026.
Other flights from Bloomington
Browse through other flights departing from Bloomington. Flights are based on user searches made on Cheapflights and were last updated on September 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Bloomington to Ontario
Discover the top airline that operate flights from Bloomington to Ontario. 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 7,457,451 searches. Data last updated September 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$428 | Average$578 | FlexibilityNo cancel fee | On-time71% |