$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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
BMI — ONT
Sep 6 — Sep 131
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 August 7, 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 7, 2026.
This Delta deal was found by Cheapflights users on 8/4. 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 9/1812:04 pm -
1 stop8h 03m
Wed 9/2312:19 pm -
1 stop8h 15m
Deal found 8/4![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 8/4. 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 9/1812:04 pm -
1 stop8h 03m
Wed 9/309:52 am -
2 stops10h 42m
Deal found 8/4![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 8/2. 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 8/244:24 pm -
1 stop7h 28m
Sun 8/3012:00 pm -
1 stop9h 16m
Deal found 8/2![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 8/4. 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 9/176:08 am -
1 stop7h 01m
Tue 10/612:18 pm -
1 stop8h 18m
Deal found 8/4![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 8/4. 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 9/176:08 am -
1 stop7h 01m
Wed 9/309:52 am -
2 stops10h 42m
Deal found 8/4![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 8/4. 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 9/196:08 am -
1 stop6h 57m
Wed 9/3012:19 pm -
1 stop8h 15m
Deal found 8/4![Delta logo]()
$429
This American Airlines deal was found by Cheapflights users on 8/6. 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 8/276:32 am -
1 stop7h 11m
Wed 9/22:27 pm -
1 stop6h 26m
Deal found 8/6![American Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 8/4. 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 9/1812:04 pm -
2 stops13h 43m
Fri 9/2512:19 pm -
1 stop8h 15m
Deal found 8/4![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 8/4. 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 9/116:08 am -
1 stop6h 57m
Wed 9/2312:19 pm -
1 stop8h 15m
Deal found 8/4![Delta logo]()
$459
This American Airlines deal was found by Cheapflights users on 8/4. 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 9/164:24 pm -
1 stop8h 13m
Sat 10/31:05 pm -
2 stops8h 58m
Deal found 8/4![American Airlines logo]()
$464
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 7, 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 7, 2026.
This Delta deal was found by Cheapflights users on 8/2. 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 8/244:24 pm -
1 stop7h 28m
Sun 8/309:43 am -
2 stops11h 33m
Deal found 8/2![Delta logo]()
$384
This American Airlines deal was found by Cheapflights users on 8/6. 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 8/276:32 am -
1 stop7h 11m
Wed 9/22:27 pm -
1 stop6h 26m
Deal found 8/6![American Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 8/4. 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 9/196:08 am -
1 stop6h 57m
Sat 10/312:17 pm -
1 stop7h 44m
Deal found 8/4![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 8/4. 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 9/116:08 am -
1 stop6h 57m
Sat 9/1912:17 pm -
1 stop7h 44m
Deal found 8/4![Delta logo]()
$459
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Sat 9/194:24 pm -
1 stop8h 13m
Mon 9/2112:37 pm -
1 stop7h 31m
Deal found 8/5![American Airlines logo]()
$510
This Delta deal was found by Cheapflights users on 8/4. 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 9/116:08 am -
1 stop6h 57m
Fri 9/2512:19 pm -
1 stop8h 15m
Deal found 8/4![Delta logo]()
$529
This Delta deal was found by Cheapflights users on 8/3. 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 10/216:06 am -
2 stops12h 17m
Sat 10/2412:18 pm -
1 stop8h 18m
Deal found 8/3![Delta logo]()
$653
Last-minute flights from Bloomington to OntarioDiscover last-minute flight deals from Bloomington to Ontario. Data last updated August 7, 2026 and is based on user searches.
Discover last-minute flight deals from Bloomington to Ontario. Data last updated August 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/2. 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 8/244:24 pm -
1 stop7h 28m
Sun 8/3012:00 pm -
1 stop9h 16m
Deal found 8/2![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 8/6. 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 8/276:32 am -
1 stop7h 11m
Wed 9/22:27 pm -
1 stop6h 26m
Deal found 8/6![American Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 8/4. 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 9/116:08 am -
1 stop6h 57m
Tue 9/2212:17 pm -
1 stop8h 17m
Deal found 8/4![Delta logo]()
$459
This American Airlines deal was found by Cheapflights users on 8/4. 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 9/164:24 pm -
1 stop8h 13m
Sat 10/31:05 pm -
2 stops8h 58m
Deal found 8/4![American Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 8/4. 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 9/176:08 am -
1 stop7h 01m
Wed 9/2312:19 pm -
1 stop8h 15m
Deal found 8/4![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 8/4. 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 9/176:08 am -
1 stop7h 01m
Wed 9/309:52 am -
2 stops10h 42m
Deal found 8/4![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 8/4. 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 9/184:32 pm -
1 stop7h 52m
Tue 9/2212:17 pm -
1 stop8h 17m
Deal found 8/4![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 8/4. 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 9/1812:04 pm -
1 stop8h 03m
Wed 9/309:52 am -
2 stops10h 42m
Deal found 8/4![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 8/4. 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 9/1812:04 pm -
2 stops13h 43m
Fri 9/2512:19 pm -
1 stop8h 15m
Deal found 8/4![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 8/4. 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 9/196:08 am -
1 stop6h 57m
Wed 9/3012:19 pm -
1 stop8h 15m
Deal found 8/4![Delta logo]()
$429
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 7, 2026.
Search for one-way flight options from Bloomington to Ontario. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
This American Airlines deal was found by Cheapflights users on 8/3. 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 9/36:32 am -
1 stop7h 11m
Deal found 8/3![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 8/3. 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 stops9h 03m
Deal found 8/3![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 8/4. 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 8/124:49 pm -
1 stop8h 10m
Deal found 8/4![American Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:14 pm -
3 stops45h 00m
Deal found 8/4![Multiple Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 8/4. 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 8/136:32 am -
1 stop7h 11m
Deal found 8/4![American Airlines logo]()
$488
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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Delta) |
Popular in | March |
Cheapest in | April |
Average price | $448 |
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 August 7, 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
Mon 8/24
4:24 pm-9:52 pm
1 stop7h 28m
Ontario
Sun 8/30
9:43 am-11:16 pm
2 stops11h 33m
$384
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Sat 9/19
6:08 am-11:05 am
1 stop6h 57m
Ontario
Sat 10/3
12:17 pm-10:01 pm
1 stop7h 44m
$429
Quickest round-trip
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Thu 8/27
6:32 am-11:43 am
1 stop7h 11m
Ontario
Wed 9/2
2:27 pm-10:53 pm
1 stop6h 26m
$431
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Fri 9/11
6:08 am-11:05 am
1 stop6h 57m
Ontario
Sat 9/19
12:17 pm-10:01 pm
1 stop7h 44m
$459
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Sat 9/19
4:24 pm-10:37 pm
1 stop8h 13m
Ontario
Mon 9/21
12:37 pm-10:08 pm
1 stop7h 31m
$510
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Fri 9/11
6:08 am-11:05 am
1 stop6h 57m
Ontario
Fri 9/25
12:19 pm-10:34 pm
1 stop8h 15m
$529
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Wed 10/21
6:06 am-4:23 pm
2 stops12h 17m
Ontario
Sat 10/24
12:18 pm-10:36 pm
1 stop8h 18m
$653
Cheapest one-way
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Mon 9/7
4:49 pm-10:59 pm
1 stop8h 10m
$379
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Fri 9/4
4:24 pm-9:52 pm
1 stop7h 28m
$379
BloomingtonOntario
BMI Bloomington-Normal - ONT Ontario
BMIONT
Bloomington-Normal
Fri 9/4
6:32 am-1:31 pm
1 stop8h 59m
$379
Showing 1-10 of 11 resultsSorted 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 7, 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
Boarding
7.5
Food
6.4
Overall
7.1
Comfort
7.2
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Entertainment
6.8
Crew
7.9
Boarding
7.5
Food
6.4
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.
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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 August 7, 2026.
Bloomington and Ontario flights
Browse other Bloomington and Ontario flight options. Last updated on August 7, 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 7, 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 2,558,603 searches. Data last updated August 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$482 | Average$604 | FlexibilityNo cancel fee | On-time71% |