$165+ Cheap flights from Ontario to Birmingham, AL (ONT - BHM)
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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BHM
maig 23 — maig 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
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 abril 23, 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 abril 23, 2026.
This American Airlines deal was found by Cheapflights users on 4/21. 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.
dt. 6/22:18 pm
ONT
- BHM
1 stop7h 33m
American Airlines
dt. 6/97:10 pm
BHM
- ONT
1 stop6h 49m
American Airlines
Deal found 4/21![American Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 4/21. 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.
dt. 6/211:55 pm
ONT
- BHM
1 stop10h 55m
Southwest
dt. 6/95:25 am
BHM
- ONT
2 stops8h 05m
Southwest
Deal found 4/21![Southwest logo]()
$275
This United Airlines deal was found by Cheapflights users on 4/22. 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.
ds. 5/235:00 am
ONT
- BHM
1 stop7h 44m
United Airlines
ds. 5/302:52 pm
BHM
- ONT
1 stop9h 03m
United Airlines
Deal found 4/22![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 4/21. 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.
dc. 5/137:05 am
ONT
- BHM
1 stop7h 10m
Delta
dv. 5/293:59 pm
BHM
- ONT
1 stop7h 49m
Delta
Deal found 4/21![Delta logo]()
$345
This American Airlines deal was found by Cheapflights users on 4/21. 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.
dt. 6/910:00 pm
ONT
- BHM
1 stop7h 40m
American Airlines
dc. 6/175:00 am
BHM
- ONT
1 stop6h 31m
American Airlines
Deal found 4/21![American Airlines logo]()
$348
This Southwest deal was found by Cheapflights users on 4/21. 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.
dt. 6/910:10 am
ONT
- BHM
2 stops11h 25m
Southwest
dc. 6/1712:05 pm
BHM
- ONT
1 stop12h 30m
Southwest
Deal found 4/21![Southwest logo]()
$354
This United Airlines deal was found by Cheapflights users on 4/22. 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.
dc. 8/265:00 am
ONT
- BHM
1 stop6h 44m
United Airlines
dg. 8/303:40 pm
BHM
- ONT
1 stop7h 12m
United Airlines
Deal found 4/22![United Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 4/21. 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.
dc. 5/135:00 am
ONT
- BHM
2 stops13h 44m
United Airlines
dv. 5/293:40 pm
BHM
- ONT
1 stop7h 02m
United Airlines
Deal found 4/21![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 4/22. 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.
dc. 8/269:40 am
ONT
- BHM
2 stops10h 00m
Southwest
dg. 8/305:15 am
BHM
- ONT
2 stops8h 45m
Southwest
Deal found 4/22![Southwest logo]()
$368
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 abril 23, 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 abril 23, 2026.
This Southwest deal was found by Cheapflights users on 4/21. 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.
dt. 6/211:55 pm
ONT
- BHM
1 stop10h 55m
Southwest
dt. 6/95:25 am
BHM
- ONT
2 stops8h 05m
Southwest
Deal found 4/21![Southwest logo]()
$275
This United Airlines deal was found by Cheapflights users on 4/21. 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.
dc. 5/205:00 am
ONT
- BHM
2 stops13h 44m
United Airlines
dt. 6/23:40 pm
BHM
- ONT
1 stop7h 02m
United Airlines
Deal found 4/21![United Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 4/23. 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.
dj. 5/2810:00 pm
ONT
- BHM
1 stop8h 27m
Delta
dg. 5/315:20 pm
BHM
- ONT
1 stop6h 28m
Delta
Deal found 4/23![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 4/21. 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.
dg. 5/1710:00 pm
ONT
- BHM
1 stop8h 27m
Delta
dc. 5/205:20 pm
BHM
- ONT
1 stop6h 28m
Delta
Deal found 4/21![Delta logo]()
$423
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dg. 5/173:50 pm
ONT
- BHM
2 stops15h 30m
Southwest
dt. 5/193:40 pm
BHM
- ONT
1 stop6h 55m
Southwest
Deal found 4/20![Southwest logo]()
$488
This United Airlines deal was found by Cheapflights users on 4/23. 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.
dt. 5/126:00 am
ONT
- BHM
1 stop8h 14m
United Airlines
dc. 5/133:52 pm
BHM
- ONT
1 stop6h 44m
United Airlines
Deal found 4/23![United Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 4/22. 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.
dc. 5/275:00 am
ONT
- BHM
2 stops9h 20m
United Airlines
dc. 6/33:40 pm
BHM
- ONT
1 stop7h 02m
United Airlines
Deal found 4/22![United Airlines logo]()
$502
This Southwest deal was found by Cheapflights users on 4/21. 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.
dg. 5/173:50 pm
ONT
- BHM
2 stops15h 30m
Southwest
dc. 5/205:55 am
BHM
- ONT
2 stops9h 35m
Southwest
Deal found 4/21![Southwest logo]()
$524
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dt. 7/285:00 am
ONT
- BHM
1 stop7h 03m
United Airlines
ds. 8/83:40 pm
BHM
- ONT
1 stop7h 02m
United Airlines
Deal found 4/20![United Airlines logo]()
$527
Last-minute flights from Ontario to BirminghamDiscover last-minute flight deals from Ontario to Birmingham. Data last updated abril 23, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Birmingham. Data last updated abril 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/21. 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.
dc. 5/137:05 am
ONT
- BHM
1 stop7h 10m
Delta
dv. 5/293:59 pm
BHM
- ONT
1 stop7h 49m
Delta
Deal found 4/21![Delta logo]()
$345
This United Airlines deal was found by Cheapflights users on 4/21. 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.
dc. 5/135:00 am
ONT
- BHM
2 stops13h 44m
United Airlines
dv. 5/293:40 pm
BHM
- ONT
1 stop7h 02m
United Airlines
Deal found 4/21![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 4/22. 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.
ds. 5/165:30 am
ONT
- BHM
1 stop5h 45m
Southwest
ds. 5/235:45 am
BHM
- ONT
1 stop11h 10m
Southwest
Deal found 4/22![Southwest logo]()
$437
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dg. 5/1710:00 pm
ONT
- BHM
1 stop8h 27m
Delta
dt. 5/193:59 pm
BHM
- ONT
1 stop7h 49m
Delta
Deal found 4/20![Delta logo]()
$423
This United Airlines deal was found by Cheapflights users on 4/21. 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.
dc. 5/205:00 am
ONT
- BHM
2 stops13h 44m
United Airlines
dt. 6/23:40 pm
BHM
- ONT
1 stop7h 02m
United Airlines
Deal found 4/21![United Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 4/22. 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.
ds. 5/235:00 am
ONT
- BHM
1 stop7h 44m
United Airlines
ds. 5/302:52 pm
BHM
- ONT
1 stop9h 03m
United Airlines
Deal found 4/22![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 4/22. 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.
dc. 5/275:45 am
ONT
- BHM
1 stop8h 35m
United Airlines
dc. 6/33:40 pm
BHM
- ONT
1 stop7h 02m
United Airlines
Deal found 4/22![United Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 5/275:00 am
ONT
- BHM
1 stop7h 03m
United Airlines
ds. 5/302:52 pm
BHM
- ONT
1 stop9h 03m
United Airlines
Deal found 4/19![United Airlines logo]()
$427
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 5/2710:30 am
ONT
- BHM
2 stops8h 10m
Southwest
ds. 5/305:00 am
BHM
- ONT
1 stop6h 35m
Southwest
Deal found 4/19![Southwest logo]()
$432
This Delta deal was found by Cheapflights users on 4/23. 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.
dj. 5/2810:00 pm
ONT
- BHM
1 stop8h 27m
Delta
dg. 5/315:20 pm
BHM
- ONT
1 stop6h 28m
Delta
Deal found 4/23![Delta logo]()
$413
This American Airlines deal was found by Cheapflights users on 4/22. 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.
dj. 5/2811:59 pm
ONT
- BHM
1 stop6h 56m
American Airlines
dg. 5/315:00 am
BHM
- ONT
1 stop6h 31m
American Airlines
Deal found 4/22![American Airlines logo]()
$433
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 abril 23, 2026.
Search for one-way flight options from Ontario to Birmingham. Find affordable one-way fares based on user searches. Data last updated abril 23, 2026.
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dt. 5/1910:00 pm
ONT
- BHM
1 stop8h 27m
Delta
Deal found 4/20![Delta logo]()
$165
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dj. 5/2812:40 pm
ONT
- BHM
1 stop5h 45m
Southwest
Deal found 4/20![Southwest logo]()
$178
This United Airlines deal was found by Cheapflights users on 4/22. 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.
dc. 8/265:45 am
ONT
- BHM
1 stop6h 19m
United Airlines
Deal found 4/22![United Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 4/23. 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.
dc. 7/110:00 pm
ONT
- BHM
1 stop8h 21m
Delta
Deal found 4/23![Delta logo]()
$199
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dj. 5/285:00 am
ONT
- BHM
2 stops11h 18m
United Airlines
Deal found 4/20![United Airlines logo]()
$204
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 6/1710:10 am
ONT
- BHM
2 stops11h 25m
Southwest
Deal found 4/19![Southwest logo]()
$210
This Southwest deal was found by Cheapflights users on 4/23. 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.
dt. 6/301:30 pm
ONT
- BHM
2 stops8h 10m
Southwest
Deal found 4/23![Southwest logo]()
$214
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 5/136:00 am
ONT
- BHM
1 stop6h 05m
United Airlines
Deal found 4/20![United Airlines logo]()
$215
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dt. 5/266:30 am
ONT
- BHM
2 stops8h 20m
Southwest
Deal found 4/19![Southwest logo]()
$224
This American Airlines deal was found by Cheapflights users on 4/23. 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.
dt. 6/3010:00 pm
ONT
- BHM
1 stop7h 40m
American Airlines
Deal found 4/23![American Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
dc. 7/13:34 pm
ONT
- BHM
3 stops37h 29m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dl. 6/2910:00 pm
ONT
- BHM
1 stop7h 20m
Delta
Deal found 4/20![Delta logo]()
$229
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 abril 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (American Airlines) |
One-way from | $165 (Delta) |
Popular in | November |
Cheapest in | February |
Average price | $389 |
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 2,558,603 searches. Data last updated abril 23, 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 - BHM
ONTBHM
Ontario
dt. 6/2
11:55 pm-12:50 pm
1 stop10h 55m
Birmingham
dt. 6/9
5:25 am-11:30 am
2 stops8h 05m
$275
OntarioBirmingham
ONT - BHM
ONTBHM
Ontario
dc. 5/20
5:00 am-8:44 pm
2 stops13h 44m
Birmingham
dt. 6/2
3:40 pm-8:42 pm
1 stop7h 02m
$407
OntarioBirmingham
ONT - BHM
ONTBHM
Ontario
dj. 5/28
10:00 pm-8:27 am
1 stop8h 27m
Birmingham
dg. 5/31
5:20 pm-9:48 pm
1 stop6h 28m
$413
OntarioBirmingham
ONT - BHM
ONTBHM
Ontario
dg. 5/17
10:00 pm-8:27 am
1 stop8h 27m
Birmingham
dc. 5/20
5:20 pm-9:48 pm
1 stop6h 28m
$423
OntarioBirmingham
ONT - BHM
ONTBHM
Ontario
dg. 5/17
3:50 pm-9:20 am
2 stops15h 30m
Birmingham
dt. 5/19
3:40 pm-8:35 pm
1 stop6h 55m
$488
OntarioBirmingham
ONT - BHM
ONTBHM
Ontario
dt. 5/12
6:00 am-4:14 pm
1 stop8h 14m
Birmingham
dc. 5/13
3:52 pm-8:36 pm
1 stop6h 44m
$502
OntarioBirmingham
ONT - BHM
ONTBHM
Ontario
dc. 5/27
5:00 am-4:20 pm
2 stops9h 20m
Birmingham
dc. 6/3
3:40 pm-8:42 pm
1 stop7h 02m
$502
OntarioBirmingham
ONT - BHM
ONTBHM
Ontario
dg. 5/17
3:50 pm-9:20 am
2 stops15h 30m
Birmingham
dc. 5/20
5:55 am-1:30 pm
2 stops9h 35m
$524
Quickest round-trip
OntarioBirmingham
ONT - BHM
ONTBHM
Ontario
dt. 7/28
5:00 am-2:03 pm
1 stop7h 03m
Birmingham
ds. 8/8
3:40 pm-8:42 pm
1 stop7h 02m
$527
Cheapest one-way
Quickest one-way
OntarioBirmingham
ONT - BHM
ONTBHM
Ontario
dc. 8/26
5:45 am-2:04 pm
1 stop6h 19m
$179
Showing 1-10 of 19 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 April.
| 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, February is the cheapest month in which you can book a flight from Ontario to Birmingham, Alabama (average of $340). Flying from Ontario to Birmingham, Alabama in November is currently the most expensive (average of $752). 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?
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 abril 23, 2026.
Read through reviews of airlines operating flights from Ontario to Birmingham, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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
Bessemer
Hoover
Homewood
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Birmingham flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Ontario
Popular flights
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 abril 23, 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 abril 23, 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 abril 23, 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 2,558,603 searches. Data last updated abril 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$402 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$286 | Average$401 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$333 | Average$496 | FlexibilityNo cancel fee | On-time63% |