BHM - ONT

$144 Find Cheap Flights from Birmingham to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Birmingham to Ontario departing on 5/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Birmingham to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Birmingham to Ontario, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Birmingham to Ontario (BHM-ONT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Birmingham to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Birmingham to Ontario

Wed, Jun 25 - Tue, Jul 1
Delta Logo
5:16 am - 10:57 amBHM-ONT
7h 41m1 stop
Delta Logo
10:05 pm - 8:24 amONT-BHM
8h 19m1 stop
$287Delta
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Fri, Sep 5 - Mon, Sep 8
Delta Logo
5:55 pm - 10:29 pmBHM-ONT
6h 34m1 stop
Delta Logo
10:59 pm - 8:20 amONT-BHM
7h 21m1 stop
$326Delta
Find Deal
Thu, Aug 7 - Mon, Aug 11
American Airlines Logo
11:11 am - 6:25 pmBHM-ONT
9h 14m2 stops
American Airlines Logo
11:59 pm - 8:53 amONT-BHM
6h 54m1 stop
$371American Airlines
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Tue, Jul 29 - Sat, Aug 2
United Airlines Logo
3:09 pm - 9:37 pmBHM-ONT
8h 28m1 stop
United Airlines Logo
6:00 am - 4:25 pmONT-BHM
8h 25m1 stop
$377United Airlines
Find Deal
Tue, Jul 29 - Sat, Aug 2
United Airlines Logo
9:00 am - 5:25 pmBHM-ONT
10h 25m2 stops
United Airlines Logo
6:00 am - 4:25 pmONT-BHM
8h 25m1 stop
$382United Airlines
Find Deal
Sun, Jun 1 - Wed, Jun 4
American Airlines Logo
7:00 am - 1:52 pmBHM-ONT
8h 52m1 stop
American Airlines Logo
10:40 pm - 8:59 amONT-BHM
8h 19m1 stop
$402American Airlines
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Sun, Jun 1 - Wed, Jun 4
Southwest Logo
5:55 pm - 10:45 pmBHM-ONT
6h 50m1 stop
Southwest Logo
11:25 am - 9:20 pmONT-BHM
7h 55m2 stops
$473Southwest
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Sun, Jun 1 - Wed, Jun 4
Southwest Logo
7:15 am - 2:55 pmBHM-ONT
9h 40m2 stops
Southwest Logo
11:25 am - 9:50 pmONT-BHM
8h 25m2 stops
$478Southwest
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Wed, Aug 13 - Mon, Aug 18
Alaska Airlines Logo
9:30 am - 12:13 amBHM-ONT
16h 43m2 stops
Alaska Airlines Logo
6:00 am - 6:55 pmONT-BHM
10h 55m2 stops
$517Alaska Airlines
Find Deal
Wed, May 28 - Tue, Jun 3
Alaska Airlines Logo
10:57 am - 10:46 pmBHM-ONT
13h 49m2 stops
Alaska Airlines Logo
7:20 pm - 10:14 amONT-BHM
12h 54m2 stops
$637Alaska Airlines
Find Deal
Useful Info

KAYAK's insights & trends for Birmingham to Ontario flights

Get data-powered insights and trends into flights from Birmingham to Ontario to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Birmingham to Ontario?

The average price of all round-trip flights from Birmingham to Ontario clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Ontario on a Tuesday and more expensive on a Wednesday. On your return trip to Birmingham, you should consider flying back on a Friday, and avoid Mondays for better deals.

What is the cheapest month to fly from Birmingham to Ontario?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Birmingham to Ontario, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Birmingham to Ontario is November, where tickets cost $343 (return) on average. On the other hand, the most expensive months are October and December, where the average cost of round-trip tickets is $576 and $506 respectively.

Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$144
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 4% increase in price.
Flight from Birmingham to Ontario

When to book flights from Birmingham to Ontario

Are your dates flexible? Find out the best times to travel from Birmingham to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Birmingham to Ontario

  • What is the cheapest flight from Birmingham to Ontario?

    In the last 3 days, the lowest price for a flight from Birmingham to Ontario was $144 for a one-way ticket and $287 for a round-trip.

  • Do I need a passport to fly between Birmingham and Ontario?

    No, a passport isn't needed to fly from Birmingham to Ontario. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Birmingham to Ontario?

    When flying out of Birmingham you will be using Birmingham. You will be landing at Ontario, also known as Ontario.

  • Which aircraft models fly most regularly from Birmingham to Ontario?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Birmingham to Ontario?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Birmingham and Ontario, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Birmingham to Ontario, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Birmingham to Ontario are Southwest and Delta. With an average price for the route of $454 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $423 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Birmingham to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Birmingham to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Birmingham to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Birmingham is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Birmingham to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Birmingham with another airline. Booking your flights between Birmingham and ONT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Birmingham to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Birmingham up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top 3 airlines serving from Birmingham to Ontario

 
See real verified KAYAK customer reviews for airlines flying from Birmingham to Ontario. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Birmingham to Ontario? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4290 reviews
8.0Comfort
8.6Crew
8.2Boarding
7.6Entertainment
7.1Food
Airline reviews

It was a perfect flight in all aspects! Both legs!

10.0 ExcellentAnonymous, Apr 2025LGB - SMF
Read more Southwest reviews

It was a perfect flight in all aspects! Both legs!

Boarding process, crew were good. But the seats were so uncomfortable that was all I could focus on. I literally had to sit forward so that all 3 of us could fit in row. I will try to avoid Southwest in the future for any flights over 60 minutes.

Great flight, 47 passengers on a 180 seat plane. Stewardess was pleasant and cheerful.

Great experience flying Southwest. The crew was really kind and helpful, and very friendly with our toddler.

Plane late from DC to Austin 30 minutes. Crew made up much of the time enroute to San Diego.

Fine, but how to board on SW versus othrr airlines, is just lame. Goood staff though and all was solid otherwise.

Was as expected. Crowed planes. Too many carryons delaying takeoff. But the ride only took an hour and saved me a lot of time SFO is a not a great airport.

Was as expected. Crowed planes. Too many carryons delaying takeoff. But the ride only took an hour and saved me a lot of time SFO is a hell hole of an airport. It is the new LaGuardia. Everything Cobbled together. Security gates closed. Terri directional signage

I will be flying again Southwest Airlines. Friendly crew, comfortable and affordable.

The plane arrived 25 minutes late, and the Wi-Fi was slower than it usually is.

This had nothing to do with Delta… The flights were on time and flawless. The service was excellent. We purchased seats in (aisle/middle) comfort plus since this was a cross country flight. Unfortunately, the woman seated at the window was 300+ pounds and, as might be expected, covered up about a third of the middle seat also. there was absolutely nothing that Delta could have done about that… I just don’t know what the answer should be. If you purchase a seat, you should should be able to use the entire seat and not just the portion that someone else is not sitting/oozing in. Disappointing…there should be something that could be done….I'm just not sure what solution could be.

I love the free WiFi!! Crew was nice. Bathroom was decent. First time flying delta in a long time and I enjoyed it. Will definitely look into booking with Delta more but I think Delta is a little more expensive than the other airlines.

Seats are much much more comfortable than United, which is what I usually fly

If I pay extra for "comfort+" I expect leg room where I can stretch my legs. I was seated with an attendant's seat blocking my feet. Knee space was fine but my feet had less room than the non-"comfort+" seats. Also, don't go cheap on food when you have flights of 3+ hours. It's insulting.

Only one side of the heafphone jack work. Crew was friendly and helpful.

Great. Flight departed early and arrived early. Deplaning and baggage claim ww were quick.

They separated our seats and moved us to the back of the plane. Hundreds of dollars and thousands of miles used and this was my platinum member experience.

Since it wasn’t a Delta flight, I was not able to sit with my group and there was no entertainment.

Three adults, three children. They did not give us seats together. Two seats together, in row 23, one in 13, one in 14, one in 10, and one in 17. When we got on the plane, the crew tried to ask people to move but basically threw up their hands. One person moved so we had two pairs of seats together. The 1.5 year old sat on a parent's lap (despite having paid for his own seat).

AC barely worked on a 50 minute flight. It was very warm the whole flight. Flight was very bumpy and hard landing.

One bottle of water and a package of cookies for comfort plus. We had to literally beg a flight attendant for an extra bottle of water later in the flight due to feeling dehydrated.

Flight boarded from Gate 39 at OGG, the farthest gate in the terminal. There were no Hawaiian themed amenities for the flight. The first class service was mediocre at best; I received not special welcome or recognition as an executive platinum member of American Advantage program. The flight attendants were more concerned with their cell phones than saying "thank you" to the passengers as we disembarked. Fortunately, the flight arrived at LAX a few minutes early.

Bigger seats. Board back to front! Disembark front to back!

Extraordinary service in business class, and very good breakfast and snacks. A really lovely flight.

This flight didn’t happen because AA agents didn’t let us board the flight

Flight didn’t get dinner on business. I was starving!

Plane was pretty clean, staff was friendly and helpful, flight left about on time arrived early. Took a long time to board and get off the plane - carry on items didn't have enough room so people had to move all around to find places.

The service and food needs to improve to catch up with other international flights

Would have been good to have a meal since it was a 5.5 hour flight

We boarded after several delays due to mechanical failure and a gate change. The seat cushion in the exit row was very compressed and offered no cushion, making the four-hour journey reasonably uncomfortable. The WiFi worked for a few people, but for most, it did not, and you cannot get entertainment unless you can connect—American Airlines flights do not have seatback screens, and you must use your mobile phone.

Everything you need to know for your flight from Birmingham to Ontario

Information on your arrival and departure airports

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