$399+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
BMI — ONT
Nov 14 — Nov 211
Round-trip
1 adult, Economy
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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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Best
Last-minute
One-way
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 October 15, 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 October 15, 2026.
This American Airlines deal was found by Cheapflights users on 10/14. 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
Thu 12/315:44 am -
1 stop7h 34m
Deal found 10/14![American Airlines logo]()
$541
This American Airlines deal was found by Cheapflights users on 10/11. 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 12/181:46 pm -
2 stops10h 11m
Wed 12/2312:51 pm -
1 stop7h 08m
Deal found 10/11![American Airlines logo]()
$727
This Delta deal was found by Cheapflights users on 10/12. 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.
Mon 10/124:26 pm -
1 stop7h 28m
Tue 10/1312:16 pm -
1 stop8h 20m
Deal found 10/12![Delta logo]()
$950
This Delta deal was found by Cheapflights users on 10/12. 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 10/1312:13 pm -
1 stop10h 12m
Wed 10/149:45 am -
2 stops10h 51m
Deal found 10/12![Delta logo]()
$955
This American Airlines deal was found by Cheapflights users on 10/11. 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.
Mon 12/283:50 pm -
1 stop8h 32m
Sun 1/35:44 am -
1 stop7h 34m
Deal found 10/11![American Airlines logo]()
$973
This Delta deal was found by Cheapflights users on 10/11. 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 11/246:01 am -
2 stops12h 23m
Mon 11/3012:18 pm -
1 stop8h 13m
Deal found 10/11![Delta logo]()
$1,312
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 October 15, 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 October 15, 2026.
This American Airlines deal was found by Cheapflights users on 10/14. 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
Thu 12/315:44 am -
1 stop7h 34m
Deal found 10/14![American Airlines logo]()
$541
This Delta deal was found by Cheapflights users on 10/14. 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 4/84:00 pm -
1 stop8h 14m
Mon 4/1212:00 pm -
1 stop8h 23m
Deal found 10/14![Delta logo]()
$748
This American Airlines deal was found by Cheapflights users on 10/11. 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 12/181:46 pm -
2 stops10h 11m
Wed 12/2312:51 pm -
1 stop7h 08m
Deal found 10/11![American Airlines logo]()
$727
This Delta deal was found by Cheapflights users on 10/14. 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 3/176:01 am -
1 stop7h 26m
Mon 3/2212:00 pm -
1 stop8h 23m
Deal found 10/14![Delta logo]()
$807
Last-minute flights from Bloomington to OntarioDiscover last-minute flight deals from Bloomington to Ontario. Data last updated October 15, 2026 and is based on user searches.
Discover last-minute flight deals from Bloomington to Ontario. Data last updated October 15, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/11. 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 11/246:01 am -
2 stops12h 23m
Mon 11/3012:18 pm -
1 stop8h 13m
Deal found 10/11![Delta logo]()
$1,312
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 October 15, 2026.
Search for one-way flight options from Bloomington to Ontario. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
This Delta deal was found by Cheapflights users on 10/14. 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 3/106:01 am -
1 stop7h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 10/10. 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 11/244:07 pm -
1 stop8h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![American Airlines logo]()
$420
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 October 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $541 (American Airlines) |
One-way from | $399 (Delta) |
Popular in | March |
Cheapest in | April |
Average price | $498 |
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 October 15, 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
Quickest round-trip
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Wed 3/10
6:01 am-11:27 am
1 stop7h 26m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$399
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Tue 11/24
4:07 pm-10:36 pm
1 stop8h 29m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$420
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Wed 12/23
3:50 pm-10:22 pm
1 stop8h 32m
Ontario
Thu 12/31
5:44 am-3:18 pm
1 stop7h 34m
$541
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Fri 12/18
1:46 pm-9:57 pm
2 stops10h 11m
Ontario
Wed 12/23
12:51 pm-9:59 pm
1 stop7h 08m
$727
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Thu 4/8
4:00 pm-10:14 pm
1 stop8h 14m
Ontario
Mon 4/12
12:00 pm-10:23 pm
1 stop8h 23m
$748
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Wed 3/17
6:01 am-11:27 am
1 stop7h 26m
Ontario
Mon 3/22
12:00 pm-10:23 pm
1 stop8h 23m
$807
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 October 15, 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.
Entertainment
6.8
Crew
7.9
Overall
7.0
Boarding
7.4
Food
6.4
Comfort
7.2
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Entertainment
6.8
Crew
7.9
Overall
7.0
Boarding
7.4
Food
6.4
Comfort
7.2
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
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 October 15, 2026.
Bloomington and Ontario flights
Browse other Bloomington and Ontario flight options. Last updated on October 15, 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 October 15, 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 October 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$428 | Average$578 | FlexibilityNo cancel fee | On-time71% |