What is the cheapest airline that flies from Birmingham to Ontario?

Southwest, American Airlines, and Delta are the most popular carriers operating from Birmingham to Ontario

What airlines fly to Ontario?

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Ontario from Birmingham, Alabama according to our data. American Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Birmingham Airport to Ontario Airport refresh daily.

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

There are 3 operators available for flights from Birmingham Airport to Ontario Airport as of August 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Birmingham Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$122 Cheap Flights from Birmingham, Alabama to Ontario (BHM-ONT) in 2025

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Find the cheapest flights from Birmingham, Alabama to Los Angeles (BHM-ONT)

Round-trip

One-way

Last minute

Cheap round-trip flights

5:09 pm - 10:48 pmBHM-ONT

7h 39m1 stop

10:35 pm - 8:46 amONT-BHM

8h 11m1 stop

$287American Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

11:00 am - 5:50 pmBHM-ONT

8h 50m2 stops

10:35 pm - 8:46 amONT-BHM

8h 11m1 stop

$292American Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

11:00 am - 5:50 pmBHM-ONT

8h 50m2 stops

10:53 am - 10:38 pmONT-BHM

9h 45m2 stops

$297American Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

5:09 am - 10:03 amBHM-ONT

6h 54m1 stop

10:35 pm - 9:29 amONT-BHM

8h 54m1 stop

$331American Airlines

Find Deal

Fri, Sep 5 - Mon, Sep 8

5:00 pm - 9:25 pmBHM-ONT

6h 25m1 stop

5:10 am - 2:10 pmONT-BHM

7h 00m1 stop

$377United Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

2:55 pm - 7:38 pmBHM-ONT

6h 43m1 stop

10:29 pm - 8:52 amONT-BHM

8h 23m1 stop

$381Delta

Find Deal

Tue, Dec 23 - Tue, Dec 30

5:00 pm - 9:25 pmBHM-ONT

6h 25m1 stop

5:10 am - 7:49 pmONT-BHM

12h 39m2 stops

$382United Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

5:15 pm - 10:56 pmBHM-ONT

7h 41m1 stop

10:29 pm - 11:14 amONT-BHM

10h 45m2 stops

$386Delta

Find Deal

Tue, Dec 23 - Tue, Dec 30

7:00 pm - 10:45 pmBHM-ONT

5h 45m1 stop

3:30 pm - 11:10 pmONT-BHM

5h 40m1 stop

$408Southwest

Find Deal

Mon, Sep 1 - Mon, Sep 8

7:00 pm - 10:45 pmBHM-ONT

5h 45m1 stop

12:55 pm - 10:15 pmONT-BHM

7h 20m2 stops

$413Southwest

Find Deal

Mon, Sep 1 - Mon, Sep 8

American Airlines flights from Birmingham, Alabama to Ontario

Our best American Airlines deals on Birmingham, Alabama to Ontario flight tickets

American Airlines

Aug 30

BHM5:09 pmBirmingham

7h 39m

1 stop

ONT10:48 pmOntario

Sep 6

ONT10:35 pmOntario

8h 11m

1 stop

BHM8:46 amBirmingham

$287

Find similar

American Airlines

Aug 30

BHM11:00 amBirmingham

8h 50m

2 stops

ONT5:50 pmOntario

Sep 6

ONT10:35 pmOntario

8h 11m

1 stop

BHM8:46 amBirmingham

$292

Find similar

American Airlines

Aug 30

BHM11:00 amBirmingham

8h 50m

2 stops

ONT5:50 pmOntario

Sep 6

ONT10:53 amOntario

9h 45m

2 stops

BHM10:38 pmBirmingham

$297

Find similar

United Airlines flights from Birmingham, Alabama to Ontario

Our best United Airlines deals on Birmingham, Alabama to Ontario flight tickets

United Airlines

Aug 30

BHM5:00 pmBirmingham

6h 25m

1 stop

ONT9:25 pmOntario

Sep 6

ONT5:10 amOntario

7h 00m

1 stop

BHM2:10 pmBirmingham

$377

Find similar

United Airlines

Aug 30

BHM5:00 pmBirmingham

6h 25m

1 stop

ONT9:25 pmOntario

Sep 6

ONT5:10 amOntario

12h 39m

2 stops

BHM7:49 pmBirmingham

$382

Find similar

United Airlines

Sep 11

BHM3:00 pmBirmingham

8h 25m

1 stop

ONT9:25 pmOntario

Sep 13

ONT7:00 amOntario

9h 49m

1 stop

BHM6:49 pmBirmingham

$396

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Birmingham, Alabama to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BirminghamOntario

BHM - ONT

BHMONT

Birmingham

Sat 8/30

5:09 pm-10:48 pm

1 stop7h 39m

Ontario

Sat 9/6

10:35 pm-8:46 am

1 stop8h 11m

$287

BirminghamOntario

BHM - ONT

BHMONT

Birmingham

Sat 8/30

11:00 am-5:50 pm

2 stops8h 50m

Ontario

Sat 9/6

10:35 pm-8:46 am

1 stop8h 11m

$292

BirminghamOntario

BHM - ONT

BHMONT

Birmingham

Sat 8/30

11:00 am-5:50 pm

2 stops8h 50m

Ontario

Sat 9/6

10:53 am-10:38 pm

2 stops9h 45m

$297

BirminghamOntario

BHM - ONT

BHMONT

Birmingham

Fri 9/5

5:09 am-10:03 am

1 stop6h 54m

Ontario

Mon 9/8

10:35 pm-9:29 am

1 stop8h 54m

$331

BirminghamOntario

BHM - ONT

BHMONT

Birmingham

Sat 8/30

5:00 pm-9:25 pm

1 stop6h 25m

Ontario

Sat 9/6

5:10 am-2:10 pm

1 stop7h 00m

$377

BirminghamOntario

BHM - ONT

BHMONT

Birmingham

Tue 12/23

2:55 pm-7:38 pm

1 stop6h 43m

Ontario

Tue 12/30

10:29 pm-8:52 am

1 stop8h 23m

$381

BirminghamOntario

BHM - ONT

BHMONT

Birmingham

Sat 8/30

5:00 pm-9:25 pm

1 stop6h 25m

Ontario

Sat 9/6

5:10 am-7:49 pm

2 stops12h 39m

$382

BirminghamOntario

BHM - ONT

BHMONT

Birmingham

Tue 12/23

5:15 pm-10:56 pm

1 stop7h 41m

Ontario

Tue 12/30

10:29 pm-11:14 am

2 stops10h 45m

$386

BirminghamOntario

BHM - ONT

BHMONT

Birmingham

Mon 9/1

7:00 pm-10:45 pm

1 stop5h 45m

Ontario

Mon 9/8

3:30 pm-11:10 pm

1 stop5h 40m

$408

BirminghamOntario

BHM - ONT

BHMONT

Birmingham

Mon 9/1

7:00 pm-10:45 pm

1 stop5h 45m

Ontario

Mon 9/8

12:55 pm-10:15 pm

2 stops7h 20m

$413

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, September is the cheapest month to fly from Birmingham, Alabama to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $358. If you aren’t able to travel during the month of September, then book flights to Ontario from Birmingham, Alabama during February instead. Flights to Ontario in February, while not as cheap as those in September, still average around $396.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $407. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Birmingham, Alabama to Ontario for around $564.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Birmingham, Alabama to Ontario when you can find flight prices for as low as $471. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $493 on average. Flights to Ontario from Birmingham, Alabama in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

As of August 2025, prices for Birmingham, Alabama to Ontario flights are approximately 46% cheaper when compared to flights at the same time last year.

When to book flights from Birmingham, Alabama to Ontario

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

Estimated round-trip price

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

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

Best Price Found	$122
Fastest flight time	5h 45m
Direct flights	None
Airports in Ontario	1 airport

The best one-way flight to Ontario from Birmingham, Alabama in the past 72 hours is $122. The best round-trip flight deal from Birmingham, Alabama to Ontario found on momondo in the last 72 hours is $287.

The fastest flight from Birmingham, Alabama to Ontario takes 5h 45m

There are no direct flights from Birmingham, Alabama to Ontario. Popular non-direct route for this connection is Birmingham Airport - Ontario Airport.

There is 1 airport near Ontario: Ontario (ONT)

Search flight deals

How far is Birmingham to Ontario by plane?
Birmingham and Ontario are 1763.8 mi apart from one another. A reasonable flight in good conditions will take 5h 45m.
When did momondo last update prices for flights from Birmingham Airport to Ontario Airport?
Prices for flights from Birmingham Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Birmingham Airport to Ontario Airport?
There are 3 operators available for flights from Birmingham Airport to Ontario Airport as of August 2025.
How old do you have to be to fly from Birmingham Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Birmingham Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Birmingham, Alabama to Ontario?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Birmingham, Alabama to Ontario is American Airlines (52% of total bookings). The next most popular airlines are Southwest (34%) and Delta (14%).

Best airlines flying from Birmingham, Alabama to Ontario

Compare and see reviews for airlines that fly from Birmingham, Alabama to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $286	Free Cancellation	Rating 8.0 7,987 reviews	Search Delta flights
Southwest	PriceFrom $338	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
American Airlines	PriceFrom $346	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Birmingham.

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

Yes. momondo enables you to select and highlight flights to Ontario from Birmingham with this policy.

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

Once all potential Birmingham to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Birmingham to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.