$226+ Cheap flights from Birmingham, AL to Ontario (BHM - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ONT
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Find cheap flights from Birmingham 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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Cheapest flights from Birmingham to OntarioExplore the most affordable flight options available from Birmingham to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
Explore the most affordable flight options available from Birmingham to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
This Delta deal was found by Cheapflights users on 6/9. 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 11/55:30 pm
BHM
- ONT
1 stop6h 44m
Delta
Mon 11/910:59 pm
ONT
- BHM
1 stop7h 22m
Delta
Deal found 6/9![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 6/8. 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 11/612:19 pm
BHM
- ONT
1 stop7h 59m
Delta
Thu 11/1212:00 pm
ONT
- BHM
1 stop6h 05m
Delta
Deal found 6/8![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:15 am
BHM
- ONT
1 stop7h 23m
Delta
Mon 7/1310:00 pm
ONT
- BHM
1 stop8h 25m
Delta
Deal found 6/10![Delta logo]()
$351
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:30 am
BHM
- ONT
1 stop6h 25m
Southwest
Mon 11/96:30 am
ONT
- BHM
1 stop5h 25m
Southwest
Deal found 6/8![Southwest logo]()
$355
This Delta deal was found by Cheapflights users on 6/9. 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 8/295:06 am
BHM
- ONT
1 stop7h 36m
Delta
Sat 9/1911:59 am
ONT
- BHM
1 stop7h 30m
Delta
Deal found 6/9![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 6/8. 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 6/306:15 am
BHM
- ONT
1 stop6h 25m
Delta
Thu 7/910:00 pm
ONT
- BHM
1 stop8h 25m
Delta
Deal found 6/8![Delta logo]()
$373
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:40 pm
BHM
- ONT
1 stop7h 13m
United Airlines
Wed 8/265:00 am
ONT
- BHM
1 stop6h 47m
United Airlines
Deal found 6/8![United Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:03 pm
BHM
- ONT
1 stop8h 27m
Delta
Thu 7/910:00 pm
ONT
- BHM
1 stop8h 25m
Delta
Deal found 6/10![Delta logo]()
$378
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:15 pm
BHM
- ONT
1 stop6h 05m
Southwest
Wed 7/291:30 pm
ONT
- BHM
2 stops8h 15m
Southwest
Deal found 6/7![Southwest logo]()
$379
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 7/912:03 pm
BHM
- ONT
1 stop8h 27m
Delta
Thu 7/1610:00 pm
ONT
- BHM
1 stop8h 25m
Delta
Deal found 6/11![Delta logo]()
$385
Best flights from Birmingham to OntarioDiscover carefully curated flight deals from Birmingham to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
Discover carefully curated flight deals from Birmingham to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:40 pm
BHM
- ONT
1 stop7h 13m
United Airlines
Wed 8/265:00 am
ONT
- BHM
1 stop6h 47m
United Airlines
Deal found 6/8![United Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 6/8. 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 7/245:27 pm
BHM
- ONT
1 stop6h 23m
Delta
Mon 7/2710:00 pm
ONT
- BHM
1 stop8h 25m
Delta
Deal found 6/8![Delta logo]()
$404
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:15 am
BHM
- ONT
2 stops7h 05m
Southwest
Mon 7/64:40 pm
ONT
- BHM
1 stop6h 10m
Southwest
Deal found 6/10![Southwest logo]()
$444
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:40 pm
BHM
- ONT
1 stop7h 13m
United Airlines
Tue 8/255:00 am
ONT
- BHM
1 stop6h 47m
United Airlines
Deal found 6/10![United Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:24 pm
BHM
- ONT
1 stop6h 24m
Delta
Tue 7/710:00 pm
ONT
- BHM
1 stop8h 25m
Delta
Deal found 6/10![Delta logo]()
$579
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:00 pm
BHM
- ONT
1 stop8h 59m
United Airlines
Wed 8/195:00 am
ONT
- BHM
2 stops10h 40m
United Airlines
Deal found 6/9![United Airlines logo]()
$539
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:25 am
BHM
- ONT
1 stop6h 10m
Southwest
Tue 6/231:30 pm
ONT
- BHM
2 stops8h 10m
Southwest
Deal found 6/9![Southwest logo]()
$609
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:40 pm
BHM
- ONT
1 stop7h 13m
United Airlines
Mon 9/145:00 am
ONT
- BHM
1 stop6h 47m
United Airlines
Deal found 6/10![United Airlines logo]()
$539
Last-minute flights from Birmingham to OntarioDiscover last-minute flight deals from Birmingham to Ontario. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Birmingham to Ontario. Data last updated June 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/8. 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 6/306:15 am
BHM
- ONT
1 stop6h 25m
Delta
Thu 7/910:00 pm
ONT
- BHM
1 stop8h 25m
Delta
Deal found 6/8![Delta logo]()
$373
This Delta deal was found by Cheapflights users on 6/8. 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 6/305:15 am
BHM
- ONT
1 stop7h 25m
Delta
Fri 7/310:00 pm
ONT
- BHM
1 stop8h 51m
Delta
Deal found 6/8![Delta logo]()
$400
This Delta deal was found by Cheapflights users on 6/8. 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 6/305:15 am
BHM
- ONT
1 stop7h 25m
Delta
Wed 7/810:00 pm
ONT
- BHM
1 stop8h 25m
Delta
Deal found 6/8![Delta logo]()
$426
This Delta deal was found by Cheapflights users on 6/8. 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 7/32:10 pm
BHM
- ONT
1 stop9h 38m
Delta
Mon 7/610:00 pm
ONT
- BHM
1 stop8h 25m
Delta
Deal found 6/8![Delta logo]()
$378
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/32:10 pm
BHM
- ONT
1 stop6h 20m
Delta
Wed 7/811:48 am
ONT
- BHM
1 stop9h 14m
Delta
Deal found 6/10![Delta logo]()
$412
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:15 pm
BHM
- ONT
1 stop7h 20m
Southwest
Tue 7/71:20 pm
ONT
- BHM
1 stop8h 25m
Southwest
Deal found 6/10![Southwest logo]()
$427
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:15 am
BHM
- ONT
1 stop7h 23m
Delta
Thu 7/910:00 pm
ONT
- BHM
1 stop8h 25m
Delta
Deal found 6/10![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 7/912:03 pm
BHM
- ONT
1 stop8h 27m
Delta
Thu 7/1610:00 pm
ONT
- BHM
1 stop8h 25m
Delta
Deal found 6/11![Delta logo]()
$385
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:27 pm
BHM
- ONT
1 stop6h 23m
Delta
Mon 7/1310:00 pm
ONT
- BHM
1 stop8h 25m
Delta
Deal found 6/10![Delta logo]()
$404
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/162:40 pm
BHM
- ONT
1 stop9h 45m
Southwest
Wed 7/225:15 am
ONT
- BHM
2 stops7h 15m
Southwest
Deal found 6/8![Southwest logo]()
$409
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:15 pm
BHM
- ONT
1 stop6h 05m
Southwest
Wed 7/291:30 pm
ONT
- BHM
2 stops8h 15m
Southwest
Deal found 6/7![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/223:05 pm
BHM
- ONT
2 stops6h 55m
Southwest
Tue 7/281:30 pm
ONT
- BHM
2 stops8h 10m
Southwest
Deal found 6/10![Southwest logo]()
$394
One-way flights from Birmingham to OntarioSearch for one-way flight options from Birmingham to Ontario. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from Birmingham to Ontario. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:00 pm
BHM
- ONT
1 stop8h 59m
United Airlines
Deal found 6/9![United Airlines logo]()
$226
This Delta deal was found by Cheapflights users on 6/7. 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 7/245:27 pm
BHM
- ONT
1 stop6h 23m
Delta
Deal found 6/7![Delta logo]()
$229
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:15 am
BHM
- ONT
2 stops7h 05m
Southwest
Deal found 6/7![Southwest logo]()
$231
This Southwest deal was found by Cheapflights users on 6/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:20 pm
BHM
- ONT
2 stops7h 55m
Southwest
Deal found 6/7![Southwest logo]()
$234
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/12:56 pm
BHM
- ONT
1 stop8h 59m
United Airlines
Deal found 6/8![United Airlines logo]()
$253
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:40 pm
BHM
- ONT
1 stop7h 13m
United Airlines
Deal found 6/10![United Airlines logo]()
$258
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:08 pm
BHM
- ONT
1 stop6h 47m
United Airlines
Deal found 6/10![United Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/92:56 pm
BHM
- ONT
1 stop8h 59m
United Airlines
Deal found 6/9![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 6/9. 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 6/246:31 am
BHM
- ONT
1 stop7h 16m
American Airlines
Deal found 6/9![American Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/173:40 pm
BHM
- ONT
1 stop7h 06m
United Airlines
Deal found 6/10![United Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Fri 7/247:43 am
BHM
- ONT
3 stops29h 24m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$339
Find flight deals from Birmingham to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Birmingham (BHM) 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 June 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (Delta) |
One-way from | $226 (United Airlines) |
Popular in | June |
Cheapest in | October |
Average price | $563 |
Cheapflights Fare Finder
Customize your flight search to find flights from Birmingham 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 June 11, 2026.
Use the filters below to find and compare flights from Birmingham to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BirminghamOntario
BHM - ONT
BHMONT
Birmingham
Tue 8/25
3:40 pm-8:53 pm
1 stop7h 13m
Ontario
Wed 8/26
5:00 am-1:47 pm
1 stop6h 47m
$377
BirminghamOntario
BHM - ONT
BHMONT
Birmingham
Fri 7/24
5:27 pm-9:50 pm
1 stop6h 23m
Ontario
Mon 7/27
10:00 pm-8:25 am
1 stop8h 25m
$404
BirminghamOntario
BHM - ONT
BHMONT
Birmingham
Tue 8/18
3:40 pm-8:53 pm
1 stop7h 13m
Ontario
Tue 8/25
5:00 am-1:47 pm
1 stop6h 47m
$405
Quickest round-trip
BirminghamOntario
BHM - ONT
BHMONT
Birmingham
Fri 7/3
6:15 am-11:20 am
2 stops7h 05m
Ontario
Mon 7/6
4:40 pm-12:50 am
1 stop6h 10m
$444
BirminghamOntario
BHM - ONT
BHMONT
Birmingham
Mon 8/17
3:00 pm-9:59 pm
1 stop8h 59m
Ontario
Wed 8/19
5:00 am-5:40 pm
2 stops10h 40m
$539
BirminghamOntario
BHM - ONT
BHMONT
Birmingham
Sat 9/5
3:40 pm-8:53 pm
1 stop7h 13m
Ontario
Mon 9/14
5:00 am-1:47 pm
1 stop6h 47m
$539
BirminghamOntario
BHM - ONT
BHMONT
Birmingham
Mon 7/6
5:24 pm-9:48 pm
1 stop6h 24m
Ontario
Tue 7/7
10:00 pm-8:25 am
1 stop8h 25m
$579
BirminghamOntario
BHM - ONT
BHMONT
Birmingham
Wed 6/17
5:25 am-9:35 am
1 stop6h 10m
Ontario
Tue 6/23
1:30 pm-11:40 pm
2 stops8h 10m
$609
Cheapest one-way
BirminghamOntario
BHM - ONT
BHMONT
Birmingham
Thu 8/20
3:00 pm-9:59 pm
1 stop8h 59m
$226
BirminghamOntario
BHM - ONT
BHMONT
Birmingham
Fri 7/24
2:40 pm-10:25 pm
1 stop9h 45m
$229
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Birmingham 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 Birmingham to Ontario in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Birmingham, Alabama-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Birmingham, Alabama-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Birmingham, Alabama-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Birmingham, Alabama-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 Birmingham, Alabama-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 Birmingham to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Birmingham with our price prediction graph.
BHM-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.
Cheapflights Insights
Everything you need to know about your flight from Birmingham to Ontario
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 June 11, 2026.
Peruse reviews from past customers who have flown with Southwest and American Airlines from Birmingham to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
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Top 2 airlines flying from Birmingham to Ontario
Discover the top 2 airlines that operate flights from Birmingham 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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$333 | Average$468 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$371 | Average$498 | FlexibilityNo cancel fee | On-time71% |