$206+ Cheap flights from Ontario to Birmingham, AL (ONT - BHM)
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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BHM
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Birmingham 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 Ontario to Birmingham
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Best
Last-minute
One-way
Cheapest flights from Ontario to BirminghamExplore the most affordable flight options available from Ontario to Birmingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Ontario to Birmingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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.
Mon 10/512:19 pm -
1 stop8h 44m
Tue 10/132:14 pm -
1 stop8h 11m
Deal found 9/8![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 9/8. 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.
Tue 9/292:20 pm -
1 stop6h 15m
Thu 10/15:45 pm -
2 stops8h 05m
Deal found 9/8![Southwest logo]()
$392
This Delta deal was found by Cheapflights users on 9/8. 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 10/911:15 pm -
1 stop6h 52m
Sat 10/1712:28 pm -
1 stop9h 02m
Deal found 9/8![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:22 pm -
1 stop7h 26m
Wed 11/117:19 pm -
1 stop6h 27m
Deal found 9/12![American Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 10/210:00 pm -
1 stop8h 24m
Mon 10/55:08 pm -
1 stop7h 16m
Deal found 9/9![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 9/8. 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.
Wed 10/710:55 am -
2 stops7h 55m
Wed 10/145:40 am -
1 stop6h 35m
Deal found 9/8![Southwest logo]()
$412
This American Airlines deal was found by Cheapflights users on 9/11. 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 12/711:59 pm -
1 stop6h 58m
Wed 12/97:31 am -
1 stop6h 21m
Deal found 9/11![American Airlines logo]()
$423
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/1011:59 pm -
1 stop6h 52m
Sat 10/175:18 am -
1 stop6h 17m
Deal found 9/11![American Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 9/7. 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 11/111:30 pm -
1 stop7h 35m
Sun 11/155:00 am -
1 stop10h 05m
Deal found 9/7![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/295:00 am -
1 stop7h 53m
Thu 10/15:14 pm -
1 stop6h 45m
Deal found 9/8![United Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:20 pm -
1 stop5h 45m
Wed 11/115:35 am -
2 stops8h 35m
Deal found 9/12![Southwest logo]()
$432
Best flights from Ontario to BirminghamDiscover carefully curated flight deals from Ontario to Birmingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Ontario to Birmingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This Southwest deal was found by Cheapflights users on 9/8. 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.
Wed 11/115:55 am -
2 stops9h 20m
Wed 11/185:35 am -
2 stops8h 20m
Deal found 9/8![Southwest logo]()
$397
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/295:00 am -
1 stop7h 53m
Thu 10/15:14 pm -
1 stop6h 45m
Deal found 9/8![United Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 9/10. 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 9/2510:00 pm -
1 stop8h 24m
Tue 9/296:45 am -
1 stop6h 20m
Deal found 9/10![Delta logo]()
$584
This Southwest deal was found by Cheapflights users on 9/7. 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 11/115:55 am -
2 stops9h 20m
Sun 11/155:20 pm -
2 stops8h 15m
Deal found 9/7![Southwest logo]()
$447
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 11/146:00 am -
2 stops13h 28m
Tue 11/171:15 pm -
1 stop7h 32m
Deal found 9/8![United Airlines logo]()
$492
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 11/105:00 am -
2 stops13h 12m
Tue 11/248:04 am -
1 stop6h 29m
Deal found 9/9![United Airlines logo]()
$528
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:00 am -
2 stops13h 12m
Thu 11/123:45 pm -
1 stop7h 06m
Deal found 9/7![United Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 10/265:00 am -
1 stop7h 49m
Tue 10/278:04 am -
2 stops11h 57m
Deal found 9/10![United Airlines logo]()
$562
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:00 am -
2 stops9h 19m
Sun 10/43:10 pm -
1 stop8h 49m
Deal found 9/11![United Airlines logo]()
$588
Last-minute flights from Ontario to BirminghamDiscover last-minute flight deals from Ontario to Birmingham. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Birmingham. Data last updated September 12, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/8. 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.
Tue 9/292:20 pm -
1 stop6h 15m
Thu 10/15:45 pm -
2 stops8h 05m
Deal found 9/8![Southwest logo]()
$392
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/295:00 am -
1 stop7h 53m
Thu 10/15:14 pm -
1 stop6h 45m
Deal found 9/8![United Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 10/210:00 pm -
1 stop8h 24m
Mon 10/55:08 pm -
1 stop7h 16m
Deal found 9/9![Delta logo]()
$411
This Delta deal was found by Cheapflights users on 9/8. 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.
Mon 10/512:19 pm -
1 stop8h 44m
Tue 10/132:14 pm -
1 stop8h 11m
Deal found 9/8![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 9/8. 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.
Wed 10/710:55 am -
2 stops7h 55m
Wed 10/145:40 am -
1 stop6h 35m
Deal found 9/8![Southwest logo]()
$412
This Delta deal was found by Cheapflights users on 9/8. 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 10/911:15 pm -
1 stop6h 52m
Sat 10/1712:28 pm -
1 stop9h 02m
Deal found 9/8![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/1011:59 pm -
1 stop6h 52m
Sat 10/175:18 am -
1 stop6h 17m
Deal found 9/11![American Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
1 stop8h 19m
Sat 10/178:00 am -
2 stops11h 46m
Deal found 9/11![United Airlines logo]()
$440
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/3012:43 pm -
1 stop5h 50m
Mon 11/24:45 pm -
1 stop9h 01m
Deal found 9/11![American Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 9/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:30 pm -
2 stops6h 50m
Mon 11/24:10 pm -
1 stop7h 45m
Deal found 9/11![Southwest logo]()
$444
One-way flights from Ontario to BirminghamSearch for one-way flight options from Ontario to Birmingham. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Ontario to Birmingham. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 10/911:15 pm -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$206
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 10/307:07 am -
1 stop5h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$234
This Southwest deal was found by Cheapflights users on 9/8. 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.
Fri 10/161:05 pm -
2 stops7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$239
This Delta deal was found by Cheapflights users on 9/11. 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.
Mon 12/2810:29 pm -
1 stop7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$244
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/305:00 am -
1 stop7h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$256
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:59 pm -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$264
This Southwest deal was found by Cheapflights users on 9/9. 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.
Mon 12/285:10 am -
2 stops8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$269
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/295:00 am -
2 stops11h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 9/9. 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 10/812:16 pm -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$280
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 10/255:00 am -
1 stop7h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 10/195:00 am -
1 stop7h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$306
Find flight deals from Ontario to Birmingham
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Birmingham (BHM). 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 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $387 (Delta) |
One-way from | $206 (Delta) |
Popular in | November |
Cheapest in | April |
Average price | $452 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Birmingham 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 12, 2026.
Use the filters below to find and compare flights from Ontario to Birmingham that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioBirmingham
ONT Ontario - BHM Birmingham
ONTBHM
Ontario
Mon 12/28
10:29 pm-8:19 am
1 stop7h 50m
Birmingham
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$234
OntarioBirmingham
ONT Ontario - BHM Birmingham
ONTBHM
Ontario
Wed 11/4
1:29 pm-9:28 pm
1 stop5h 59m
Birmingham
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$264
OntarioBirmingham
ONT Ontario - BHM Birmingham
ONTBHM
Ontario
Fri 10/9
11:59 pm-8:51 am
1 stop6h 52m
Birmingham
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$264
OntarioBirmingham
ONT Ontario - BHM Birmingham
ONTBHM
Ontario
Mon 12/28
5:10 am-3:45 pm
2 stops8h 35m
Birmingham
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$269
OntarioBirmingham
ONT Ontario - BHM Birmingham
ONTBHM
Ontario
Tue 9/22
9:01 am-11:23 pm
2 stops12h 22m
Birmingham
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$356
OntarioBirmingham
ONT Ontario - BHM Birmingham
ONTBHM
Ontario
Wed 10/7
5:00 am-9:21 pm
1 stop14h 21m
Birmingham
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$365
OntarioBirmingham
ONT Ontario - BHM Birmingham
ONTBHM
Ontario
Sun 9/20
10:05 am-8:20 pm
2 stops8h 15m
Birmingham
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$386
OntarioBirmingham
ONT Ontario - BHM Birmingham
ONTBHM
Ontario
Mon 12/28
5:00 am-2:43 pm
1 stop7h 43m
Birmingham
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$390
Quickest round-trip
OntarioBirmingham
ONT Ontario - BHM Birmingham
ONTBHM
Ontario
Fri 11/20
1:32 pm-9:28 pm
1 stop5h 56m
Birmingham
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$390
OntarioBirmingham
ONT Ontario - BHM Birmingham
ONTBHM
Ontario
Wed 11/11
5:55 am-5:15 pm
2 stops9h 20m
Birmingham
Wed 11/18
5:35 am-11:55 am
2 stops8h 20m
$397
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Ontario to Birmingham
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 Ontario to Birmingham in September.
| 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 Ontario-Birmingham, Alabama flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Birmingham, Alabama flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Birmingham, Alabama flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Birmingham, Alabama 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 Ontario-Birmingham, Alabama 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 Ontario to Birmingham
Have a flexible travel schedule? Discover the best time to fly to Birmingham from Ontario with our price prediction graph.
ONT-BHM
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 Ontario to Birmingham
What is the cheapest month to book a flight from Ontario to Birmingham, Alabama?
Currently, April is the cheapest month in which you can book a flight from Ontario to Birmingham, Alabama (average of $368). Flying from Ontario to Birmingham, Alabama in November is currently the most expensive (average of $976). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Ontario to Birmingham, Alabama?
Airfare is typical for this route at the moment.
Ontario to Birmingham, Alabama flights typically cost between $379 and $486 in October.The cheapest round-trip price found within the last 5 days was $387 on Delta (Oct 5-Oct 13).
Reviews of airlines servicing Birmingham
Get insights into the airlines that provide service to Birmingham. 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 Birmingham. Reviews last updated September 12, 2026.
Read through reviews of airlines operating flights from Ontario to Birmingham, such as Southwest,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to Birmingham. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Birmingham?
Book flights to Birmingham if you plan to visit one of these locationsFultondale
Hoover
Bessemer
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Alternative routes for Ontario to Birmingham
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Birmingham
Explore flights to Birmingham departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.
Complete your trip
Complete your trip to Birmingham by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Birmingham by cabin class
Find flights from Ontario to Birmingham, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Birmingham flights
Browse other Ontario and Birmingham flight options. Last updated on September 12, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Ontario to Birmingham
Discover the top 3 airlines that operate flights from Ontario to Birmingham. 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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$223 | Average$438 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$284 | Average$546 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$333 | Average$496 | FlexibilityNo cancel fee | On-time63% |