$242+ Cheap flights from Birmingham, AL to Ontario (BHM - 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ONT
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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Find cheap flights from Birmingham 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 Birmingham to Ontario
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Last-minute
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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 September 4, 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 September 4, 2026.
This Delta deal was found by Cheapflights users on 9/2. 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.
Tue 10/132:14 pm -
1 stop8h 11m
Mon 10/2611:15 pm -
1 stop6h 52m
Deal found 9/2![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 8/31. 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 10/205:30 pm -
1 stop6h 15m
Tue 10/2710:55 am -
2 stops7h 55m
Deal found 8/31![Southwest logo]()
$392
This Delta deal was found by Cheapflights users on 9/2. 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.
Wed 10/145:18 am -
1 stop7h 48m
Tue 10/2712:16 pm -
1 stop8h 36m
Deal found 9/2![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 9/2. 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.
Fri 10/165:05 pm -
1 stop7h 04m
Mon 10/2611:15 pm -
1 stop8h 08m
Deal found 9/2![Delta logo]()
$400
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:57 pm -
1 stop7h 01m
Sat 10/245:00 am -
2 stops9h 19m
Deal found 9/2![United Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 8/31. 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 10/217:25 am -
1 stop8h 05m
Wed 10/2810:25 am -
1 stop8h 08m
Deal found 8/31![American Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 9/2. 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.
Wed 10/145:18 am -
1 stop7h 48m
Fri 10/2311:15 pm -
1 stop8h 05m
Deal found 9/2![Delta logo]()
$412
This Delta deal was found by Cheapflights users on 9/2. 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.
Fri 10/165:05 pm -
1 stop7h 04m
Fri 10/2311:15 pm -
1 stop6h 52m
Deal found 9/2![Delta logo]()
$413
This Southwest deal was found by Cheapflights users on 8/31. 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 10/212:25 pm -
2 stops9h 20m
Wed 10/2810:55 am -
2 stops7h 55m
Deal found 8/31![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 8/30. 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 9/235:20 am -
1 stop7h 49m
Wed 9/3012:19 pm -
1 stop8h 44m
Deal found 8/30![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 9/2. 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.
Sun 10/185:06 pm -
1 stop6h 48m
Sat 10/247:07 am -
1 stop5h 53m
Deal found 9/2![Delta logo]()
$427
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
2 stops9h 45m
Sun 10/256:10 am -
1 stop8h 05m
Deal found 9/2![Southwest logo]()
$432
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 September 4, 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 September 4, 2026.
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:45 am -
1 stop6h 10m
Sat 10/2411:50 am -
1 stop5h 30m
Deal found 9/2![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 8/31. 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 9/255:08 pm -
1 stop7h 16m
Mon 9/2810:00 pm -
1 stop8h 14m
Deal found 8/31![Delta logo]()
$441
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:00 am -
2 stops11h 51m
Wed 11/185:00 am -
1 stop7h 41m
Deal found 9/3![United Airlines logo]()
$492
This Southwest deal was found by Cheapflights users on 9/1. 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 10/165:45 pm -
1 stop6h 35m
Mon 10/191:05 pm -
2 stops7h 15m
Deal found 9/1![Southwest logo]()
$405
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:57 pm -
1 stop7h 01m
Wed 10/145:00 am -
1 stop7h 53m
Deal found 9/3![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 9/1. 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 11/63:45 pm -
1 stop7h 06m
Wed 11/116:00 am -
1 stop6h 05m
Deal found 9/1![United Airlines logo]()
$514
This Southwest deal was found by Cheapflights users on 8/31. 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 10/85:45 pm -
2 stops8h 10m
Sat 10/1012:45 pm -
1 stop6h 50m
Deal found 8/31![Southwest logo]()
$534
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:45 pm -
1 stop7h 06m
Sun 11/15:00 am -
1 stop7h 40m
Deal found 9/2![United Airlines logo]()
$527
Last-minute flights from Birmingham to OntarioDiscover last-minute flight deals from Birmingham to Ontario. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Birmingham to Ontario. Data last updated September 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/30. 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 9/235:20 am -
1 stop7h 49m
Wed 9/3012:19 pm -
1 stop8h 44m
Deal found 8/30![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 9/2. 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.
Tue 10/132:14 pm -
1 stop8h 11m
Mon 10/2611:15 pm -
1 stop6h 52m
Deal found 9/2![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 9/2. 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.
Wed 10/145:18 am -
1 stop7h 48m
Tue 10/2712:16 pm -
1 stop8h 36m
Deal found 9/2![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 9/2. 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.
Wed 10/145:18 am -
1 stop7h 48m
Fri 10/2311:15 pm -
1 stop8h 05m
Deal found 9/2![Delta logo]()
$412
This Delta deal was found by Cheapflights users on 9/2. 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.
Fri 10/165:05 pm -
1 stop7h 04m
Mon 10/2611:15 pm -
1 stop8h 08m
Deal found 9/2![Delta logo]()
$400
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:57 pm -
1 stop7h 01m
Sat 10/245:00 am -
2 stops9h 19m
Deal found 9/2![United Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 9/2. 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.
Fri 10/165:05 pm -
1 stop7h 04m
Fri 10/2311:15 pm -
1 stop6h 52m
Deal found 9/2![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 9/2. 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.
Sun 10/185:06 pm -
1 stop6h 48m
Sat 10/247:07 am -
1 stop5h 53m
Deal found 9/2![Delta logo]()
$427
This Southwest deal was found by Cheapflights users on 8/31. 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 10/205:30 pm -
1 stop6h 15m
Tue 10/2710:55 am -
2 stops7h 55m
Deal found 8/31![Southwest logo]()
$392
This American Airlines deal was found by Cheapflights users on 8/31. 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 10/217:25 am -
1 stop8h 05m
Wed 10/2810:25 am -
1 stop8h 08m
Deal found 8/31![American Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 8/31. 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 10/212:25 pm -
2 stops9h 20m
Wed 10/2810:55 am -
2 stops7h 55m
Deal found 8/31![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
2 stops9h 45m
Sun 10/256:10 am -
1 stop8h 05m
Deal found 9/2![Southwest logo]()
$432
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 September 4, 2026.
Search for one-way flight options from Birmingham to Ontario. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Fri 10/99:08 pm -
3 stops40h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$242
This United Airlines deal was found by Cheapflights users on 9/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:14 pm -
1 stop6h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$270
This United Airlines deal was found by Cheapflights users on 9/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:00 am -
2 stops11h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Fri 10/97:33 pm -
1 stop6h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 8/30. 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.
Mon 10/128:58 pm -
3 stops45h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![Multiple Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/193:00 pm -
1 stop8h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![United Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 9/1. 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 12/223:48 pm -
1 stop7h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![United Airlines logo]()
$360
This Southwest deal was found by Cheapflights users on 8/30. 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 10/125:45 am -
1 stop6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![Southwest logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/30. 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 12/193:48 pm -
1 stop7h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![United Airlines logo]()
$374
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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $387 (Delta) |
One-way from | $242 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $411 |
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 7,457,451 searches. Data last updated September 4, 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 Birmingham - ONT Ontario
BHMONT
Birmingham
Fri 10/9
9:08 pm-11:16 am
3 stops40h 08m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$242
BirminghamOntario
BHM Birmingham - ONT Ontario
BHMONT
Birmingham
Sat 10/3
2:46 pm-9:59 pm
1 stop9h 13m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$270
BirminghamOntario
BHM Birmingham - ONT Ontario
BHMONT
Birmingham
Fri 10/2
5:14 pm-9:59 pm
1 stop6h 45m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$270
BirminghamOntario
BHM Birmingham - ONT Ontario
BHMONT
Birmingham
Sat 9/19
3:00 pm-9:59 pm
1 stop8h 59m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$341
BirminghamOntario
BHM Birmingham - ONT Ontario
BHMONT
Birmingham
Tue 12/22
3:48 pm-9:00 pm
1 stop7h 12m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$360
BirminghamOntario
BHM Birmingham - ONT Ontario
BHMONT
Birmingham
Mon 10/12
8:58 pm-4:48 pm
2 stops45h 50m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$362
Quickest round-trip
BirminghamOntario
BHM Birmingham - ONT Ontario
BHMONT
Birmingham
Mon 10/12
5:45 am-9:55 am
1 stop6h 10m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$364
BirminghamOntario
BHM Birmingham - ONT Ontario
BHMONT
Birmingham
Fri 10/16
5:45 am-9:55 am
1 stop6h 10m
Ontario
Sat 10/24
11:50 am-7:20 pm
1 stop5h 30m
$400
BirminghamOntario
BHM Birmingham - ONT Ontario
BHMONT
Birmingham
Fri 10/16
5:45 pm-10:20 pm
1 stop6h 35m
Ontario
Mon 10/19
1:05 pm-10:20 pm
2 stops7h 15m
$405
BirminghamOntario
BHM Birmingham - ONT Ontario
BHMONT
Birmingham
Fri 9/25
5:08 pm-10:24 pm
1 stop7h 16m
Ontario
Mon 9/28
10:00 pm-8:14 am
1 stop8h 14m
$441
Showing 1-10 of 18 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 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 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 September 4, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andAmerican 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.
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Birmingham 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.
Search flights from Birmingham to Ontario by cabin class
Find flights from Birmingham 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 September 4, 2026.
Birmingham and Ontario flights
Browse other Birmingham and Ontario flight options. Last updated on September 4, 2026.
Other flights from Birmingham
Browse through other flights departing from Birmingham. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Birmingham to Ontario
Discover the top 3 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 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$333 | Average$468 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$358 | Average$411 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$371 | Average$508 | FlexibilityNo cancel fee | On-time71% |