BHM - ONT

$144 Find Cheap Flights from Birmingham to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$387
Typical prices: $411-$558
American Airlines
Sun 12/9Fri 12/14
BHM - ONT • 1 stop
Cheapest one-way
$144
Typical prices: $248-$464
Multiple Airlines
Tue 12/4
BHM - ONT • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Birmingham and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
October
Cheapest • 28% price drop
October
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Houston George Bush Intcntl (IAH)
Cheapest • Avg $371 (round-trip)
Denver Intl (DEN)
Shortest trip • 6h 30m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Birmingham to Ontario (BHM-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Birmingham to Ontario

Wed, Dec 9 - Mon, Dec 14
American Airlines Logo
5:05 am - 9:42 amBHM  Birmingham-ONT Ontario
6h 37m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 4:23 pmONT  Ontario-BHM Birmingham
8h 23m1 stop Dallas/Fort Worth
$387American Airlines
Sat, Dec 5 - Sat, Dec 12
American Airlines Logo
5:05 am - 9:42 amBHM  Birmingham-ONT Ontario
6h 37m1 stop Dallas/Fort Worth
American Airlines Logo
1:02 pm - 8:38 pmONT  Ontario-BHM Birmingham
5h 36m1 stop Dallas/Fort Worth
$388American Airlines
Wed, Dec 9 - Mon, Dec 14
United Airlines Logo
2:55 pm - 9:59 pmBHM  Birmingham-ONT Ontario
9h 04m1 stop Houston George Bush Intcntl
United Airlines Logo
11:20 am - 11:15 pmONT  Ontario-BHM Birmingham
9h 55m2 stops San Francisco Chicago O'Hare Intl
$392United Airlines
Mon, Nov 23 - Tue, Dec 1
American Airlines Logo
7:17 pm - 11:59 pmBHM  Birmingham-ONT Ontario
6h 42m1 stop Dallas/Fort Worth
American Airlines Logo
12:45 pm - 8:18 pmONT  Ontario-BHM Birmingham
5h 33m1 stop Dallas/Fort Worth
$392American Airlines
Fri, Dec 11 - Tue, Dec 15
Delta Logo
6:15 am - 11:07 amBHM  Birmingham-ONT Ontario
6h 52m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:05 am - 4:14 pmONT  Ontario-BHM Birmingham
7h 09m1 stop Atlanta Hartsfield-Jackson
$396Delta
Wed, Dec 23 - Fri, Dec 25
Southwest Logo
11:30 am - 4:20 pmBHM  Birmingham-ONT Ontario
6h 50m1 stop Phoenix Sky Harbor Intl
Southwest Logo
10:55 am - 8:05 pmONT  Ontario-BHM Birmingham
7h 10m1 stop Chicago Midway
$407Southwest
Thu, Feb 4 - Mon, Feb 8
Southwest Logo
6:25 am - 11:40 amBHM  Birmingham-ONT Ontario
7h 15m1 stop Dallas Love Field
Southwest Logo
3:05 pm - 10:30 pmONT  Ontario-BHM Birmingham
5h 25m1 stop Denver Intl
$407Southwest
Mon, Dec 21 - Thu, Dec 31
Delta Logo
5:20 am - 10:04 amBHM  Birmingham-ONT Ontario
6h 44m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:06 am - 5:40 pmONT  Ontario-BHM Birmingham
8h 34m1 stop Atlanta Hartsfield-Jackson
$407Delta
Wed, Dec 9 - Mon, Dec 14
Southwest Logo
5:35 am - 12:10 pmBHM  Birmingham-ONT Ontario
8h 35m2 stops Denver Intl Phoenix Sky Harbor Intl
Southwest Logo
6:50 am - 5:15 pmONT  Ontario-BHM Birmingham
8h 25m2 stops Denver Intl Dallas Love Field
$407Southwest
Fri, Dec 11 - Tue, Dec 15
American Airlines Logo
12:12 pm - 6:44 pmBHM  Birmingham-ONT Ontario
8h 32m1 stop Dallas/Fort Worth
American Airlines Logo
6:30 am - 8:38 pmONT  Ontario-BHM Birmingham
12h 08m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$455American Airlines
Booking Insights

Price, demand and travel trends for Birmingham to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

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

Round-trip flights from Birmingham to Ontario typically range from $411 to $558. The lowest price found in the past 5 days was $387, on American Airlines.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Birmingham to Ontario. It’s 13% cheaper than the average day, while Monday is the most expensive, with prices 134% higher.

Find deals

Key details for Birmingham to Ontario flights

Low season

February

Cheapest flight

$144
Beat the crowds with an average 56% drop in travelers.
The most popular month to fly with an average 77% increase in travelers.
One-way 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

Your Birmingham to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Birmingham to Ontario?

    Two cabin classes are available on flights from Birmingham to Ontario:

    • Economy Class
    • First Class

  • How long is a flight from Birmingham to Ontario?

    A nonstop flight from Birmingham to Ontario takes 00m, covering 1,763 miles.

  • Do I need a passport to fly from Birmingham to Ontario?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Birmingham to Ontario flight?

    Round-trip flights from Birmingham to Ontario range from $411 to $558, with an average of $468 over the past 12 months. Anything below $411 counts as a good deal.

  • Have flight prices from Birmingham to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $387 to $2,824. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Birmingham to Ontario looking right now?

    One-way fares from Birmingham to Ontario are currently lower than usual. Average one-way flight prices are about $219, which is 20% below the typical average for this route.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates averaging $60 for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • Which airports can I use when flying from Birmingham to Ontario?

    Flights from Birmingham to Ontario usually depart from Birmingham (BHM) and arrive at Ontario (ONT).

  • Which airports do connecting flights from Birmingham to Ontario pass through?

    One-stop flights from Birmingham to Ontario most commonly connect through:

    • Dallas/Fort Worth (DFW) - 42% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 28% of one-stop connections
    • Denver Intl (DEN) - 25% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 3% of one-stop connections

  • Can I save money by using flexible dates for flights from Birmingham to Ontario?

    Yes. Flexible dates can save you up to 63% on flights from Birmingham to Ontario. Wednesday is the cheapest departure day at $409 round-trip on average, while Monday is the most expensive at $1,096, a difference of $687.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Birmingham to Ontario?

    Flying via Houston George Bush Intcntl (IAH) gives the shortest average 1-stop total travel time at 6h 25m, compared with 6h 30m via Denver Intl (DEN) and 6h 43m via Dallas/Fort Worth (DFW).

  • What is the time difference between Birmingham and Ontario?

    Ontario is 2 hours behind Birmingham (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

Your guide to booking Birmingham to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average $409, about $687 less than Monday fares (63% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Birmingham to Ontario trip for October. Fares historically average $335 round-trip in that month - typically $228 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

    • Ontario Airport Inn
    • Holiday Inn Ontario Airport By IHG
    • Azure Hotel & Suites, Trademark Collection by Wyndham

More options for your flight from Birmingham to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario