How long is the flight from Birmingham, Alabama to Ontario?

Airlines like Delta and United Airlines fly from Birmingham, Alabama to Ontario in about 7h 01m. The time it takes to get you to your destination can typically vary by up to 44m. The distance between Birmingham, Alabama and Ontario is about 1763 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Birmingham, Alabama to Ontario round-trip?

Cheapflights users have booked flights from Birmingham, Alabama to Ontario round-trip from $335. Another airline that can offer you cheap pricing is American Airlines. Users have found that Southwest is 33% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Birmingham, Alabama to Ontario one-way?

One-way options have recently been found by users for as low as $138 on Delta. Other airlines that offer cheap prices include American Airlines from $143 and United Airlines from $153 one-way.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

What is the cheapest time of day to fly from BHM to ONT?

When flying from Birmingham, Alabama to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

Can I find deals for flights from Birmingham to Ontario that include hotel bookings?

Yes. In addition to deals on Birmingham to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Birmingham to Ontario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Birmingham to Ontario.

Can I find deals for business class flights from Birmingham to Ontario?

Yes. Cheapflights offers flight deals from Birmingham to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$139+ Cheap Flights from Birmingham, AL to Ontario

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Cheap flight deals from Birmingham to Ontario

Cheapest

Best

Last-minute

One-way

Cheapest flights from Birmingham to Ontario
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 August 18, 2026.

Wed 9/235:20 am -

1 stop6h 09m

Wed 9/302:22 pm -

1 stop7h 03m

Deal found 8/13

$316

Wed 10/214:48 pm -

1 stop9h 04m

Wed 10/2810:25 am -

1 stop8h 08m

Deal found 8/13

$337

Tue 9/12:08 pm -

1 stop7h 45m

Wed 9/912:17 pm -

1 stop5h 49m

Deal found 8/14

$351

Tue 9/14:34 pm -

1 stop8h 25m

Wed 9/912:37 pm -

1 stop8h 48m

Deal found 8/18

$360

Sat 10/313:03 pm -

1 stop8h 37m

Tue 11/36:00 am -

1 stop6h 05m

Deal found 8/13

$363

Wed 9/93:40 pm -

1 stop7h 13m

Tue 9/155:00 am -

1 stop6h 47m

Deal found 8/13

$364

Tue 9/12:08 pm -

1 stop7h 45m

Sat 9/512:00 pm -

1 stop8h 40m

Deal found 8/17

$372

Wed 10/285:18 am -

1 stop6h 17m

Sun 11/111:59 pm -

1 stop6h 58m

Deal found 8/13

$391

Best flights from Birmingham to Ontario
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 August 18, 2026.

Tue 9/12:08 pm -

1 stop7h 45m

Sat 9/512:00 pm -

1 stop8h 40m

Deal found 8/17

$372

Tue 10/203:57 pm -

1 stop7h 01m

Tue 10/276:00 am -

1 stop6h 05m

Deal found 8/13

$416

Mon 12/215:25 am -

2 stops8h 25m

Thu 12/315:55 am -

2 stops8h 25m

Deal found 8/13

$452

Sat 1/96:25 am -

1 stop7h 02m

Fri 1/157:00 am -

1 stop8h 50m

Deal found 8/17

$400

Sat 8/2911:20 am -

2 stops11h 33m

Wed 9/25:00 am -

1 stop6h 47m

Deal found 8/13

$438

Mon 1/116:25 am -

1 stop7h 02m

Sun 1/177:00 am -

1 stop6h 08m

Deal found 8/17

$427

Fri 8/288:13 am -

2 stops11h 58m

Tue 9/19:01 am -

2 stops10h 20m

Deal found 8/13

$470

Tue 9/18:13 am -

2 stops11h 58m

Wed 9/96:08 am -

2 stops13h 08m

Deal found 8/16

$470

Wed 9/28:13 am -

1 stop6h 37m

Sun 9/65:00 am -

1 stop6h 47m

Deal found 8/17

$472

Sat 9/128:00 am -

2 stops12h 11m

Sat 9/191:18 pm -

1 stop5h 58m

Deal found 8/13

$474

Thu 11/123:45 pm -

1 stop7h 06m

Mon 11/165:00 am -

1 stop7h 41m

Deal found 8/17

$487

Tue 9/153:40 pm -

1 stop7h 13m

Sat 9/195:00 am -

1 stop6h 47m

Deal found 8/17

$487

Last-minute flights from Birmingham to Ontario
Discover last-minute flight deals from Birmingham to Ontario. Data last updated August 18, 2026 and is based on user searches.

Tue 9/12:08 pm -

1 stop7h 45m

Wed 9/912:17 pm -

1 stop5h 49m

Deal found 8/14

$351

Tue 9/14:34 pm -

1 stop8h 25m

Wed 9/912:37 pm -

1 stop8h 48m

Deal found 8/18

$360

Tue 9/12:08 pm -

1 stop7h 45m

Sat 9/512:00 pm -

1 stop8h 40m

Deal found 8/17

$372

Tue 9/12:35 pm -

2 stops8h 20m

Sat 9/510:15 am -

2 stops8h 40m

Deal found 8/17

$432

Wed 9/93:40 pm -

1 stop7h 13m

Tue 9/155:00 am -

1 stop6h 47m

Deal found 8/13

$364

Thu 9/102:07 pm -

1 stop7h 58m

Mon 9/1410:00 pm -

1 stop8h 04m

Deal found 8/17

$387

Sat 9/123:40 pm -

1 stop7h 13m

Sat 9/191:18 pm -

1 stop5h 58m

Deal found 8/13

$416

Thu 9/1710:35 am -

1 stop7h 35m

Wed 9/301:10 pm -

2 stops7h 25m

Deal found 8/16

$392

Wed 9/235:20 am -

1 stop6h 09m

Wed 9/302:22 pm -

1 stop7h 03m

Deal found 8/13

$316

One-way flights from Birmingham to Ontario
Search for one-way flight options from Birmingham to Ontario. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.

Sat 9/511:20 am -

1 stop8h 52m

Deal found 8/13

$139

Tue 9/153:57 pm -

1 stop6h 27m

Deal found 8/17

$194

Tue 9/159:25 am -

2 stops10h 52m

Deal found 8/17

$217

Sun 9/205:20 am -

1 stop6h 09m

Deal found 8/14

$234

Tue 10/203:57 pm -

1 stop7h 01m

Deal found 8/13

$235

Sat 10/102:40 pm -

1 stop10h 09m

Deal found 8/17

$244

Sun 9/205:15 am -

2 stops8h 20m

Deal found 8/17

$280

Wed 8/267:30 am -

1 stop8h 01m

Deal found 8/13

$291

Tue 9/83:40 pm -

1 stop7h 13m

Deal found 8/15

$307

Tue 10/205:18 am -

2 stops14h 42m

Deal found 8/13

$318

Find flight deals from Birmingham to Ontario

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$316 (American Airlines)
One-way from	$139 (United Airlines)
Popular in	September
Cheapest in	August
Average price	$358

Provider with most accurate pricing for Birmingham-Ontario flight deals.

Search Deals

Provider most trusted by Cheapflights users for Birmingham-Ontario flights.

Search Deals

From Birmingham to Ontario

Search Deals

One-way flight from Birmingham to Ontario

Search Deals

High demand for flights, 9% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BirminghamOntario

BHM Birmingham - ONT Ontario

BHMONT

Birmingham

Tue 9/1

2:08 pm-7:53 pm

1 stop7h 45m

Ontario

Sat 9/5

12:00 pm-10:40 pm

1 stop8h 40m

$372

BirminghamOntario

BHM Birmingham - ONT Ontario

BHMONT

Birmingham

Sat 1/9

6:25 am-11:27 am

1 stop7h 02m

Ontario

Fri 1/15

7:00 am-5:50 pm

1 stop8h 50m

$400

Quickest round-trip

BirminghamOntario

BHM Birmingham - ONT Ontario

BHMONT

Birmingham

Tue 10/20

3:57 pm-8:58 pm

1 stop7h 01m

Ontario

Tue 10/27

6:00 am-2:05 pm

1 stop6h 05m

$416

BirminghamOntario

BHM Birmingham - ONT Ontario

BHMONT

Birmingham

Mon 1/11

6:25 am-11:27 am

1 stop7h 02m

Ontario

Sun 1/17

7:00 am-3:08 pm

1 stop6h 08m

$427

BirminghamOntario

BHM Birmingham - ONT Ontario

BHMONT

Birmingham

Sat 8/29

11:20 am-8:53 pm

2 stops11h 33m

Ontario

Wed 9/2

5:00 am-1:47 pm

1 stop6h 47m

$438

BirminghamOntario

BHM Birmingham - ONT Ontario

BHMONT

Birmingham

Mon 12/21

5:25 am-11:50 am

2 stops8h 25m

Ontario

Thu 12/31

5:55 am-4:20 pm

2 stops8h 25m

$452

BirminghamOntario

BHM Birmingham - ONT Ontario

BHMONT

Birmingham

Fri 8/28

8:13 am-6:11 pm

2 stops11h 58m

Ontario

Tue 9/1

9:01 am-9:21 pm

2 stops10h 20m

$470

BirminghamOntario

BHM Birmingham - ONT Ontario

BHMONT

Birmingham

Tue 9/1

8:13 am-6:11 pm

2 stops11h 58m

Ontario

Wed 9/9

6:08 am-9:16 pm

2 stops13h 08m

$470

BirminghamOntario

BHM Birmingham - ONT Ontario

BHMONT

Birmingham

Wed 9/2

8:13 am-12:50 pm

1 stop6h 37m

Ontario

Sun 9/6

5:00 am-1:47 pm

1 stop6h 47m

$472

BirminghamOntario

BHM Birmingham - ONT Ontario

BHMONT

Birmingham

Sat 9/12

8:00 am-6:11 pm

2 stops12h 11m

Ontario

Sat 9/19

1:18 pm-9:16 pm

1 stop5h 58m

$474

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 21 resultsSorted by cheapest first

Compare providers for flights from Birmingham to Ontario

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Birmingham to Ontario in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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.

Reviews of airlines servicing Ontario

Peruse reviews from past customers who have flown with Southwest and American 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.

Southwest

8.0

Very good

4,219 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Southwest

8.0

Very good

4,219 reviews

Southwest

8.0

Very good

4,219 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

American Airlines

7.1

Good

11,954 reviews

Southwest

8.0

Very good

4,219 reviews

Reviews

1 / 20

10.0

Excellent

Walter,May 2026

LAS - BUR

Short but excellent flight. Everyone was friendly and professional it was a great flight!

Related info for your journey

How long is the flight from Birmingham, Alabama to Ontario?
Airlines like Delta and United Airlines fly from Birmingham, Alabama to Ontario in about 7h 01m. The time it takes to get you to your destination can typically vary by up to 44m. The distance between Birmingham, Alabama and Ontario is about 1763 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Birmingham, Alabama to Ontario round-trip?
Cheapflights users have booked flights from Birmingham, Alabama to Ontario round-trip from $335. Another airline that can offer you cheap pricing is American Airlines. Users have found that Southwest is 33% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Birmingham, Alabama to Ontario one-way?
One-way options have recently been found by users for as low as $138 on Delta. Other airlines that offer cheap prices include American Airlines from $143 and United Airlines from $153 one-way.
Can I find deals for flights from Birmingham to Ontario that include hotel bookings?
Yes. In addition to deals on Birmingham to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Birmingham to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Birmingham to Ontario.
Can I find deals for business class flights from Birmingham to Ontario?
Yes. Cheapflights offers flight deals from Birmingham to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 2 airlines flying from Birmingham to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$335	Average$468	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$371	Average$508	FlexibilityNo cancel fee	On-time71%

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$139+ Cheap flights from Birmingham, AL to Ontario (BHM - ONT)

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Birmingham to Ontario with Cheapflights

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Cheap flight deals from Birmingham to Ontario

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 August 18, 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 August 18, 2026.

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 August 18, 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 August 18, 2026.

Last-minute flights from Birmingham to OntarioDiscover last-minute flight deals from Birmingham to Ontario. Data last updated August 18, 2026 and is based on user searches.

Discover last-minute flight deals from Birmingham to Ontario. Data last updated August 18, 2026 and is based on user searches.

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 August 18, 2026.

Search for one-way flight options from Birmingham to Ontario. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.

Find flight deals from Birmingham to Ontario

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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 August.

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.

Reviews of airlines servicing Ontario

Peruse reviews from past customers who have flown with Southwest and American 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.

Related info for your journey

How long is the flight from Birmingham, Alabama to Ontario?

What are the cheapest airlines flying from Birmingham, Alabama to Ontario round-trip?

What are the cheapest airlines to fly from Birmingham, Alabama to Ontario one-way?

Can I find deals for flights from Birmingham to Ontario that include hotel bookings?

How can I find direct flights from Birmingham to Ontario?

Can I find deals for business class flights from Birmingham to Ontario?

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 for Birmingham to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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 August 18, 2026.

Birmingham and Ontario flights

Browse other Birmingham and Ontario flight options. Last updated on August 18, 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 August 18, 2026.

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Top 2 airlines flying from Birmingham to Ontario

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Cheapest flights from Birmingham to Ontario
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 August 18, 2026.

Best flights from Birmingham to Ontario
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 August 18, 2026.

Last-minute flights from Birmingham to Ontario
Discover last-minute flight deals from Birmingham to Ontario. Data last updated August 18, 2026 and is based on user searches.

One-way flights from Birmingham to Ontario
Search for one-way flight options from Birmingham to Ontario. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.