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Cheap flights from Ontario to Birmingham from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Birmingham departing on 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ontario to Birmingham

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
12:40 pm - 11:25 pm
ONT
-
BHM
8h 45m
2 stops
Southwest Logo
6:20 pm - 10:40 pm
BHM
-
ONT
6h 20m
1 stop
$314Southwest
Thu, Apr 16 - Mon, Apr 20
Southwest Logo
1:55 pm - 9:55 pm
ONT
-
BHM
6h 00m
1 stop
Southwest Logo
1:55 pm - 8:45 pm
BHM
-
ONT
8h 50m
1 stop
$347Southwest
Wed, May 6 - Sat, May 9
United Airlines Logo
6:00 am - 9:29 pm
ONT
-
BHM
13h 29m
2 stops
United Airlines Logo
3:52 pm - 8:36 pm
BHM
-
ONT
6h 44m
1 stop
$352United Airlines
Wed, May 6 - Sat, May 9
Delta Logo
10:15 pm - 8:22 am
ONT
-
BHM
8h 07m
1 stop
Delta Logo
4:19 pm - 9:00 pm
BHM
-
ONT
6h 41m
1 stop
$354Delta
Mon, Apr 20 - Thu, Apr 23
United Airlines Logo
6:00 am - 4:10 pm
ONT
-
BHM
8h 10m
1 stop
United Airlines Logo
3:52 pm - 8:36 pm
BHM
-
ONT
6h 44m
1 stop
$357United Airlines
Tue, May 12 - Wed, May 13
Delta Logo
10:15 pm - 8:22 am
ONT
-
BHM
8h 07m
1 stop
Delta Logo
4:19 pm - 9:00 pm
BHM
-
ONT
6h 41m
1 stop
$361Delta
Fri, Apr 24 - Fri, May 1
United Airlines Logo
6:00 am - 9:29 pm
ONT
-
BHM
13h 29m
2 stops
United Airlines Logo
3:05 pm - 9:58 pm
BHM
-
ONT
8h 53m
1 stop
$362United Airlines
Tue, May 12 - Tue, May 19
Delta Logo
10:00 pm - 8:27 am
ONT
-
BHM
8h 27m
1 stop
Delta Logo
5:15 am - 10:40 am
BHM
-
ONT
7h 25m
1 stop
$367Delta
Tue, Jun 2 - Sun, Jun 7
Delta Logo
10:15 pm - 8:22 am
ONT
-
BHM
8h 07m
1 stop
Delta Logo
1:53 pm - 9:00 pm
BHM
-
ONT
9h 07m
1 stop
$399Delta
Mon, Apr 20 - Thu, Apr 23
Southwest Logo
3:00 pm - 10:30 pm
ONT
-
BHM
5h 30m
1 stop
Southwest Logo
1:20 pm - 7:35 pm
BHM
-
ONT
8h 15m
1 stop
$402Southwest
Fri, May 8 - Tue, May 12

Southwest flights from Ontario to Birmingham, Alabama

Our best Southwest deals on Ontario to Birmingham, Alabama flight tickets
Southwest
Apr 16
ONT12:40 pmOntario
8h 45m
2 stops
BHM11:25 pmBirmingham
Apr 20
BHM6:20 pmBirmingham
6h 20m
1 stop
ONT10:40 pmOntario
$314
Southwest
May 6
ONT1:55 pmOntario
6h 00m
1 stop
BHM9:55 pmBirmingham
May 9
BHM1:55 pmBirmingham
8h 50m
1 stop
ONT8:45 pmOntario
$347
Southwest
May 8
ONT3:00 pmOntario
5h 30m
1 stop
BHM10:30 pmBirmingham
May 12
BHM1:20 pmBirmingham
8h 15m
1 stop
ONT7:35 pmOntario
$402

United Airlines flights from Ontario to Birmingham, Alabama

Our best United Airlines deals on Ontario to Birmingham, Alabama flight tickets
United Airlines
May 6
ONT6:00 amOntario
13h 29m
2 stops
BHM9:29 pmBirmingham
May 9
BHM3:52 pmBirmingham
6h 44m
1 stop
ONT8:36 pmOntario
$352
United Airlines
May 12
ONT6:00 amOntario
8h 10m
1 stop
BHM4:10 pmBirmingham
May 13
BHM3:52 pmBirmingham
6h 44m
1 stop
ONT8:36 pmOntario
$357
United Airlines
May 12
ONT6:00 amOntario
13h 29m
2 stops
BHM9:29 pmBirmingham
May 19
BHM3:05 pmBirmingham
8h 53m
1 stop
ONT9:58 pmOntario
$362

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Birmingham, Alabama 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, momondo users made 832,500 searches. Data last updated March 30, 2026.
Use the filters below to find and compare flights from Ontario to Birmingham, Alabama that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBirmingham

ONT - BHM

ONTBHM

Ontario

Thu 4/16

12:40 pm-11:25 pm

2 stops8h 45m

Birmingham

Mon 4/20

6:20 pm-10:40 pm

1 stop6h 20m

$314

OntarioBirmingham

ONT - BHM

ONTBHM

Ontario

Wed 5/6

1:55 pm-9:55 pm

1 stop6h 00m

Birmingham

Sat 5/9

1:55 pm-8:45 pm

1 stop8h 50m

$347

OntarioBirmingham

ONT - BHM

ONTBHM

Ontario

Wed 5/6

6:00 am-9:29 pm

2 stops13h 29m

Birmingham

Sat 5/9

3:52 pm-8:36 pm

1 stop6h 44m

$352

OntarioBirmingham

ONT - BHM

ONTBHM

Ontario

Mon 4/20

10:15 pm-8:22 am

1 stop8h 07m

Birmingham

Thu 4/23

4:19 pm-9:00 pm

1 stop6h 41m

$354

OntarioBirmingham

ONT - BHM

ONTBHM

Ontario

Tue 5/12

6:00 am-4:10 pm

1 stop8h 10m

Birmingham

Wed 5/13

3:52 pm-8:36 pm

1 stop6h 44m

$357

OntarioBirmingham

ONT - BHM

ONTBHM

Ontario

Fri 4/24

10:15 pm-8:22 am

1 stop8h 07m

Birmingham

Fri 5/1

4:19 pm-9:00 pm

1 stop6h 41m

$361

OntarioBirmingham

ONT - BHM

ONTBHM

Ontario

Tue 5/12

6:00 am-9:29 pm

2 stops13h 29m

Birmingham

Tue 5/19

3:05 pm-9:58 pm

1 stop8h 53m

$362

OntarioBirmingham

ONT - BHM

ONTBHM

Ontario

Tue 6/2

10:00 pm-8:27 am

1 stop8h 27m

Birmingham

Sun 6/7

5:15 am-10:40 am

1 stop7h 25m

$367

OntarioBirmingham

ONT - BHM

ONTBHM

Ontario

Mon 4/20

10:15 pm-8:22 am

1 stop8h 07m

Birmingham

Thu 4/23

1:53 pm-9:00 pm

1 stop9h 07m

$399
Quickest round-trip

OntarioBirmingham

ONT - BHM

ONTBHM

Ontario

Fri 5/8

3:00 pm-10:30 pm

1 stop5h 30m

Birmingham

Tue 5/12

1:20 pm-7:35 pm

1 stop8h 15m

$402

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Birmingham from

How to get the cheapest flight ticket from Ontario to Birmingham, Alabama

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Ontario and Birmingham, Alabama?

What is the cheapest month to fly to Birmingham, Alabama?

In general, February is the cheapest month to fly from Ontario to Birmingham, Alabama. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $340. If you are unable to visit Birmingham, Alabama during the month of February, then departing from Ontario during the month September is also very affordable. Most momondo users find prices during this month for around $366.

How have Ontario to Birmingham, Alabama flight prices changed over time?

As of March 2026, prices for Ontario to Birmingham, Alabama flights are approximately 46% cheaper when compared to flights at the same time last year.

When to book flights from Ontario to Birmingham, Alabama

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Birmingham, Alabama according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Birmingham, Alabama (ONT to BHM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Birmingham, Alabama

Fastest flight time

6h 10m

Direct flights

None
The fastest flight from Ontario to Birmingham, Alabama takes 6h 10m
There are no direct flights from Ontario to Birmingham, Alabama. There are no popular flight routes from Ontario to Birmingham, Alabama.
Search flight deals

  • How far is Ontario to Birmingham by plane?

    The straight-line distance from Ontario to Birmingham is 1763.8 mi. Flights usually cover this in 6h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ontario Airport to Birmingham Airport?

    Prices for flights from Ontario Airport to Birmingham Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ontario Airport to Birmingham Airport?

  • How old do you have to be to fly from Ontario Airport to Birmingham Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Birmingham Airport.

  • What documentation or ID do you need to fly to Birmingham Airport?

    The required travel and health documents for your Birmingham Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Birmingham Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Ontario to Birmingham, Alabama?

Best airlines flying from Ontario to Birmingham, Alabama

Compare and see reviews for airlines that fly from Ontario to Birmingham, Alabama with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $276Free CancellationRating
7.9
8,358 reviews
Search Delta flights
American AirlinesPriceFrom $286Free CancellationRating
7.1
11,530 reviews
Search American Airlines flights
SouthwestPriceFrom $333Free CancellationRating
8.0
4,329 reviews
Search Southwest flights

Traveling to a place near Birmingham?

Book flights to Birmingham if you plan to visit one of these locations
Tuscaloosa
Hoover
Bessemer
Jasper
Homewood
Trussville
Pelham
Fultondale
Oneonta

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Birmingham?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Birmingham. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Birmingham with flexible booking policies on momondo?

Yes. All flights to Birmingham from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Birmingham?

Once you have performed a search for Ontario to Birmingham flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Birmingham right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Birmingham from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Birmingham, Alabama trip

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