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Cheap flights from Ontario to Birmingham from $185

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 11/18. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Birmingham

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 1:47 pmONT  Ontario-BHM Birmingham
6h 47m1 stop Denver Intl
United Airlines Logo
3:00 pm - 9:59 pmBHM  Birmingham-ONT Ontario
8h 59m1 stop Houston George Bush Intcntl
$263United Airlines
Wed, Sep 16 - Mon, Sep 21
Southwest Logo
2:20 pm - 10:35 pmONT  Ontario-BHM Birmingham
6h 15m1 stop Dallas Love Field
Southwest Logo
5:45 am - 9:55 amBHM  Birmingham-ONT Ontario
6h 10m1 stop Denver Intl
$270Southwest
Tue, Sep 15 - Fri, Oct 30
Southwest Logo
1:10 pm - 10:35 pmONT  Ontario-BHM Birmingham
7h 25m2 stops Phoenix Sky Harbor Intl Dallas Love Field
Southwest Logo
5:45 am - 9:55 amBHM  Birmingham-ONT Ontario
6h 10m1 stop Denver Intl
$275Southwest
Tue, Sep 15 - Fri, Oct 30
Southwest Logo
1:10 pm - 10:35 pmONT  Ontario-BHM Birmingham
7h 25m2 stops Phoenix Sky Harbor Intl Dallas Love Field
Southwest Logo
6:35 am - 2:00 pmBHM  Birmingham-ONT Ontario
9h 25m2 stops Dallas Love Field Las Vegas Harry Reid Intl
$280Southwest
Tue, Sep 15 - Fri, Oct 30
United Airlines Logo
9:01 am - 11:23 pmONT  Ontario-BHM Birmingham
12h 22m2 stops San Francisco Chicago O'Hare Intl
United Airlines Logo
5:00 pm - 9:59 pmBHM  Birmingham-ONT Ontario
6h 59m1 stop Houston George Bush Intcntl
$367United Airlines
Wed, Sep 16 - Mon, Sep 21
Delta Logo
12:17 pm - 11:03 pmONT  Ontario-BHM Birmingham
8h 46m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:08 pm - 10:24 pmBHM  Birmingham-ONT Ontario
7h 16m1 stop Atlanta Hartsfield-Jackson
$369Delta
Wed, Sep 16 - Mon, Sep 21
American Airlines Logo
2:43 pm - 11:27 pmONT  Ontario-BHM Birmingham
6h 44m1 stop Dallas/Fort Worth
American Airlines Logo
5:20 am - 9:29 amBHM  Birmingham-ONT Ontario
6h 09m1 stop Dallas/Fort Worth
$372American Airlines
Sat, Sep 5 - Sat, Sep 12
Delta Logo
12:00 pm - 10:40 pmONT  Ontario-BHM Birmingham
8h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:50 am - 11:05 amBHM  Birmingham-ONT Ontario
6h 15m1 stop Atlanta Hartsfield-Jackson
$372Delta
Sat, Sep 5 - Sat, Sep 12
United Airlines Logo
6:00 am - 2:05 pmONT  Ontario-BHM Birmingham
6h 05m1 stop Houston George Bush Intcntl
United Airlines Logo
3:03 pm - 9:40 pmBHM  Birmingham-ONT Ontario
8h 37m1 stop Houston George Bush Intcntl
$377United Airlines
Tue, Nov 17 - Wed, Nov 18
American Airlines Logo
12:33 pm - 11:27 pmONT  Ontario-BHM Birmingham
8h 54m1 stop Dallas/Fort Worth
American Airlines Logo
5:20 am - 9:34 amBHM  Birmingham-ONT Ontario
6h 14m1 stop Dallas/Fort Worth
$394American Airlines
Fri, Aug 28 - Mon, Aug 31

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United Airlines flights from Ontario to Birmingham, Alabama

Our best United Airlines deals on Ontario to Birmingham, Alabama flight tickets
United Airlines
Sep 16
ONT5:00 amOntario
6h 47m
1 stop
BHM1:47 pmBirmingham
Sep 21
BHM3:00 pmBirmingham
8h 59m
1 stop
ONT9:59 pmOntario
$263
United Airlines
Sep 16
ONT9:01 amOntario
12h 22m
2 stops
BHM11:23 pmBirmingham
Sep 21
BHM5:00 pmBirmingham
6h 59m
1 stop
ONT9:59 pmOntario
$367
United Airlines
Sep 5
ONT5:00 amOntario
6h 47m
1 stop
BHM1:47 pmBirmingham
Sep 12
BHM11:20 amBirmingham
11h 33m
2 stops
ONT8:53 pmOntario
$377

Southwest flights from Ontario to Birmingham, Alabama

Our best Southwest deals on Ontario to Birmingham, Alabama flight tickets
Southwest
Sep 15
ONT2:20 pmOntario
6h 15m
1 stop
BHM10:35 pmBirmingham
Oct 30
BHM5:45 amBirmingham
6h 10m
1 stop
ONT9:55 amOntario
$270
Southwest
Sep 15
ONT1:10 pmOntario
7h 25m
2 stops
BHM10:35 pmBirmingham
Oct 30
BHM5:45 amBirmingham
6h 10m
1 stop
ONT9:55 amOntario
$275
Southwest
Sep 15
ONT1:10 pmOntario
7h 25m
2 stops
BHM10:35 pmBirmingham
Oct 30
BHM6:35 amBirmingham
9h 25m
2 stops
ONT2:00 pmOntario
$280

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 August 11, 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 Ontario - BHM Birmingham

ONTBHM

Ontario

Wed 9/16

5:00 am-1:47 pm

1 stop6h 47m

Birmingham

Mon 9/21

3:00 pm-9:59 pm

1 stop8h 59m

$263
Quickest round-trip

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Tue 9/15

2:20 pm-10:35 pm

1 stop6h 15m

Birmingham

Fri 10/30

5:45 am-9:55 am

1 stop6h 10m

$270

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Tue 9/15

1:10 pm-10:35 pm

2 stops7h 25m

Birmingham

Fri 10/30

5:45 am-9:55 am

1 stop6h 10m

$275

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Tue 9/15

1:10 pm-10:35 pm

2 stops7h 25m

Birmingham

Fri 10/30

6:35 am-2:00 pm

2 stops9h 25m

$280

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Wed 9/16

9:01 am-11:23 pm

2 stops12h 22m

Birmingham

Mon 9/21

5:00 pm-9:59 pm

1 stop6h 59m

$367

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Wed 9/16

12:17 pm-11:03 pm

1 stop8h 46m

Birmingham

Mon 9/21

5:08 pm-10:24 pm

1 stop7h 16m

$369

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Sat 9/5

2:43 pm-11:27 pm

1 stop6h 44m

Birmingham

Sat 9/12

5:20 am-9:29 am

1 stop6h 09m

$372

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Sat 9/5

12:00 pm-10:40 pm

1 stop8h 40m

Birmingham

Sat 9/12

6:50 am-11:05 am

1 stop6h 15m

$372

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Tue 11/17

6:00 am-2:05 pm

1 stop6h 05m

Birmingham

Wed 11/18

3:03 pm-9:40 pm

1 stop8h 37m

$377

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Fri 8/28

12:33 pm-11:27 pm

1 stop8h 54m

Birmingham

Mon 8/31

5:20 am-9:34 am

1 stop6h 14m

$394

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Prices are currently low for flights on this route.

Typical prices usually range from $414 to $486.
The lowest price recently found on this route was $263.

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

In general, September 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 $366. If you are unable to visit Birmingham, Alabama during the month of September, then departing from Ontario during the month April is also very affordable. Most momondo users find prices during this month for around $368.

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

As of August 2026, prices for Ontario to Birmingham, Alabama flights are approximately 32% more expensive 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

5h 59m

Direct flights

None
The fastest flight from Ontario to Birmingham, Alabama takes 5h 59m
There are no direct flights from Ontario to Birmingham, Alabama. There are no popular flight routes from Ontario to Birmingham, Alabama.
Search flight deals

Frequently asked questions about flying from Ontario to Birmingham, Alabama

  • 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 5h 59m, 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
United AirlinesPriceFrom $223Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights
American AirlinesPriceFrom $326Free CancellationRating
7.1
11,903 reviews
Search American Airlines flights
SouthwestPriceFrom $333Free CancellationRating
8.0
4,221 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
Homewood
Jasper
Pelham
Trussville
Fultondale
Oneonta
Cordova

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.

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