$359+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
BMI — ONT
Sep 20 — Sep 271
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Bloomington to Ontario with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
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 August 21, 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 August 21, 2026.
This Delta deal was found by Cheapflights users on 8/19. 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 10/234:26 pm -
1 stop7h 28m
Fri 10/3012:16 pm -
1 stop8h 20m
Deal found 8/19![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 8/19. 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 10/2412:13 pm -
1 stop9h 17m
Sat 10/3112:16 pm -
1 stop8h 20m
Deal found 8/19![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 8/19. 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 11/124:22 pm -
1 stop7h 37m
Sat 11/1412:22 pm -
1 stop7h 58m
Deal found 8/19![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 8/19. 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 11/114:22 pm -
1 stop28h 09m
Mon 11/1612:22 pm -
1 stop7h 58m
Deal found 8/19![Delta logo]()
$548
This American Airlines deal was found by Cheapflights users on 8/19. 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 11/122:32 pm -
2 stops9h 21m
Mon 11/161:23 pm -
2 stops8h 36m
Deal found 8/19![American Airlines logo]()
$609
This American Airlines deal was found by Cheapflights users on 8/19. 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 11/116:01 am -
1 stop9h 30m
Mon 11/161:23 pm -
2 stops8h 36m
Deal found 8/19![American Airlines logo]()
$620
This American Airlines deal was found by Cheapflights users on 8/19. 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 11/122:32 pm -
2 stops9h 21m
Sun 11/156:00 am -
1 stop7h 28m
Deal found 8/19![American Airlines logo]()
$681
This American Airlines deal was found by Cheapflights users on 8/19. 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 11/116:01 am -
1 stop9h 30m
Sun 11/156:00 am -
1 stop7h 28m
Deal found 8/19![American Airlines logo]()
$692
This Delta deal was found by Cheapflights users on 8/20. 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 9/236:08 am -
1 stop7h 01m
Sun 9/277:05 am -
1 stop6h 42m
Deal found 8/20![Delta logo]()
$718
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 August 21, 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 August 21, 2026.
This Delta deal was found by Cheapflights users on 8/19. 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 11/1212:06 pm -
1 stop8h 25m
Mon 11/1612:22 pm -
1 stop7h 58m
Deal found 8/19![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 8/19. 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 11/134:22 pm -
1 stop7h 37m
Sat 11/1412:22 pm -
1 stop7h 58m
Deal found 8/19![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 8/19. 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 11/124:22 pm -
1 stop7h 37m
Sat 11/1412:22 pm -
1 stop7h 58m
Deal found 8/19![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 8/19. 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 11/114:22 pm -
1 stop28h 09m
Mon 11/1612:22 pm -
1 stop7h 58m
Deal found 8/19![Delta logo]()
$548
This Delta deal was found by Cheapflights users on 8/19. 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 11/124:22 pm -
1 stop7h 37m
Sun 11/1512:22 pm -
1 stop7h 58m
Deal found 8/19![Delta logo]()
$548
This Delta deal was found by Cheapflights users on 8/20. 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 9/236:08 am -
1 stop7h 01m
Sun 9/277:05 am -
1 stop6h 42m
Deal found 8/20![Delta logo]()
$718
This Delta deal was found by Cheapflights users on 8/16. 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 12/196:01 am -
1 stop7h 26m
Tue 12/2212:00 pm -
1 stop8h 23m
Deal found 8/16![Delta logo]()
$959
Last-minute flights from Bloomington to OntarioDiscover last-minute flight deals from Bloomington to Ontario. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Bloomington to Ontario. Data last updated August 21, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/20. 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 8/2312:09 pm -
1 stop8h 21m
Thu 8/2712:00 pm -
1 stop9h 16m
Deal found 8/20![Delta logo]()
$975
This Delta deal was found by Cheapflights users on 8/20. 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 9/236:08 am -
1 stop7h 01m
Sun 9/277:05 am -
1 stop6h 42m
Deal found 8/20![Delta logo]()
$718
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 August 21, 2026.
Search for one-way flight options from Bloomington to Ontario. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/35:00 am -
2 stops15h 47m
Deal found 8/18![American Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 8/16. 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 9/112:09 pm -
1 stop9h 44m
Deal found 8/16![Delta logo]()
$443
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/45:00 am -
2 stops15h 47m
Deal found 8/19![American Airlines logo]()
$525
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 August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Delta) |
Popular in | March |
Cheapest in | August |
Average price | $348 |
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 August 21, 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
Thu 11/12
12:06 pm-6:31 pm
1 stop8h 25m
Ontario
Mon 11/16
12:22 pm-10:20 pm
1 stop7h 58m
$359
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Fri 11/13
4:22 pm-9:59 pm
1 stop7h 37m
Ontario
Sat 11/14
12:22 pm-10:20 pm
1 stop7h 58m
$429
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Thu 11/12
4:22 pm-9:59 pm
1 stop7h 37m
Ontario
Sat 11/14
12:22 pm-10:20 pm
1 stop7h 58m
$429
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Wed 11/11
4:22 pm-6:31 pm
1 stop28h 09m
Ontario
Mon 11/16
12:22 pm-10:20 pm
1 stop7h 58m
$548
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Thu 11/12
4:22 pm-9:59 pm
1 stop7h 37m
Ontario
Sun 11/15
12:22 pm-10:20 pm
1 stop7h 58m
$548
Quickest round-trip
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Wed 9/23
6:08 am-11:09 am
1 stop7h 01m
Ontario
Sun 9/27
7:05 am-3:47 pm
1 stop6h 42m
$718
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Sat 12/19
6:01 am-11:27 am
1 stop7h 26m
Ontario
Tue 12/22
12:00 pm-10:23 pm
1 stop8h 23m
$959
Cheapest one-way
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Thu 9/3
5:00 am-6:47 pm
2 stops15h 47m
$425
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Tue 9/1
12:09 pm-7:53 pm
1 stop9h 44m
$443
Quickest one-way
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Fri 9/4
6:32 am-1:31 pm
1 stop8h 59m
$459
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 August 21, 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.
Food
6.4
Entertainment
6.8
Crew
7.9
Boarding
7.5
Overall
7.1
Comfort
7.2
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Food
6.4
Entertainment
6.8
Crew
7.9
Boarding
7.5
Overall
7.1
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from Bloomington
Popular flights
Alternative routes for Bloomington to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Bloomington to Ontario by cabin class
Find flights from Bloomington to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 August 21, 2026.
Bloomington and Ontario flights
Browse other Bloomington and Ontario flight options. Last updated on August 21, 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 August 21, 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 August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$482 | Average$604 | FlexibilityNo cancel fee | On-time71% |