ONT - BHM

$167 Find Cheap Flights from Ontario to Birmingham - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Birmingham departing on 9/16. 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
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$333
Typical prices: $401-$486
United Airlines
Tue 8/18Mon 8/24
ONT - BHM • 1 stop
Cheapest one-way
$167
Typical prices: $188-$359
Southwest
Wed 9/16
ONT - BHM • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Ontario and Birmingham. You'll need at least 1 connection.
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Top layover airports
Phoenix (PHX)
Cheapest • Avg $367 (round-trip)
Nashville (BNA)
Shortest trip • 5h 25m (one-way)
Insights
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When to travel
September
Cheapest • 29% price drop
December
Most popular
Good to know
Good to know
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Good to know
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Booking Insights
Flight Deals

Cheap Flights from Ontario to Birmingham (ONT-BHM)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Birmingham 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 Ontario to Birmingham

Tue, Aug 18 - Mon, Aug 24
United Airlines Logo
5:00 am - 1:47 pm
ONT
-
BHM
6h 47m
1 stop
United Airlines Logo
5:00 pm - 9:59 pm
BHM
-
ONT
6h 59m
1 stop
$333United Airlines
Wed, Sep 16 - Tue, Sep 22
Southwest Logo
2:20 pm - 10:35 pm
ONT
-
BHM
6h 15m
1 stop
Southwest Logo
6:25 am - 10:15 am
BHM
-
ONT
5h 50m
1 stop
$333Southwest
Thu, Aug 20 - Wed, Aug 26
Delta Logo
12:00 pm - 11:02 pm
ONT
-
BHM
9h 02m
1 stop
Delta Logo
6:22 am - 10:42 am
BHM
-
ONT
6h 20m
1 stop
$333Delta
Tue, Aug 18 - Mon, Aug 24
Southwest Logo
9:40 am - 9:40 pm
ONT
-
BHM
10h 00m
2 stops
Southwest Logo
6:30 am - 11:25 am
BHM
-
ONT
6h 55m
1 stop
$338Southwest
Wed, Sep 16 - Mon, Sep 21
United Airlines Logo
5:00 am - 1:47 pm
ONT
-
BHM
6h 47m
1 stop
United Airlines Logo
3:00 pm - 9:59 pm
BHM
-
ONT
8h 59m
1 stop
$338United Airlines
Wed, Sep 16 - Tue, Sep 22
Southwest Logo
10:55 am - 10:35 pm
ONT
-
BHM
9h 40m
2 stops
Southwest Logo
5:45 pm - 10:05 pm
BHM
-
ONT
6h 20m
1 stop
$338Southwest
Wed, Sep 16 - Mon, Sep 21
United Airlines Logo
5:00 am - 1:47 pm
ONT
-
BHM
6h 47m
1 stop
United Airlines Logo
3:00 pm - 9:59 pm
BHM
-
ONT
8h 59m
1 stop
$349United Airlines
Mon, Aug 17 - Mon, Aug 24
Delta Logo
10:00 pm - 8:10 am
ONT
-
BHM
8h 10m
1 stop
Delta Logo
5:22 pm - 9:52 pm
BHM
-
ONT
6h 30m
1 stop
$366Delta
Sat, Aug 15 - Sat, Aug 22
American Airlines Logo
12:33 pm - 11:27 pm
ONT
-
BHM
8h 54m
1 stop
American Airlines Logo
7:30 am - 1:53 pm
BHM
-
ONT
8h 23m
1 stop
$457American Airlines
Sat, Aug 15 - Sat, Aug 22
American Airlines Logo
10:29 am - 11:59 pm
ONT
-
BHM
11h 30m
2 stops
American Airlines Logo
7:30 am - 11:43 am
BHM
-
ONT
6h 13m
1 stop
$462American Airlines
Booking Insights

KAYAK's insights & trends for Ontario to Birmingham flights

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

How much is a round-trip flight from Ontario to Birmingham, Alabama?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Ontario to Birmingham, Alabama departing in August.

Flight prices are below average for this route right now.

Flights to Birmingham, Alabama from Ontario usually cost between $401 and $486 in August.
The lowest price found in the past 5 days was $333 on American Airlines (Aug 15-Aug 19).

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ontario to Birmingham, 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 Ontario to Birmingham is September, where tickets cost $366 (return) on average. On the other hand, the most expensive months are November and October, where the average cost of round-trip tickets is $976 and $687 respectively.

Find deals

Good to know

Low season

February

Cheapest flight

$167
Best time to beat the crowds with an average 24% drop in price.
Most popular time to fly and prices are also 11% lower on average.
Flight from Ontario to Birmingham

When to book flights from Ontario to Birmingham

Are your dates flexible? Find out the best times to travel from Ontario to Birmingham 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 Ontario to Birmingham

  • What is the cheapest flight from Ontario to Birmingham?

    In the last 5 days, the lowest price for a flight from Ontario to Birmingham was $167 for a one-way ticket and $333 for a round-trip.

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

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

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

    Ontario airport is called Ontario and the only airport in Birmingham is Birmingham.

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

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

  • Which airline alliances offer flights from Ontario to Birmingham?

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

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

    The two airlines most popular with KAYAK users for flights from Ontario to Birmingham are Southwest and United Airlines. With an average price for the route of $493 and an overall rating of 8.0, Southwest is the most popular choice. United Airlines is also a great choice for the route, with an average price of $394 and an overall rating of 7.4.

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

    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 Ontario to Birmingham.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Birmingham from Ontario 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 Ontario to Birmingham?

    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 Birmingham with an airline and back to Ontario with another airline. Booking your flights between Ontario and BHM 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 Ontario to Birmingham?

    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 Birmingham from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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

Information on your arrival and departure airports

Ontario (ONT)
Birmingham (BHM)