Ontario

$84+ Cheap flights from Alabama to Ontario (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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ONT
Nov 1 — Nov 81
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Cheap flight deals from Alabama to Ontario

Keep the following information in mind while searching for Alabama to Ontario flight deals. Data was last updated October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$163
(CheapOair)

One-way from

$84
(Cheapflightsfares)

Popular in

July

Cheapest in

September

Average price

$391
Provider with most accurate pricing for Birmingham-Los Angeles flight deals.
Provider most trusted by Cheapflights users for Birmingham-Los Angeles flights.
From Alabama to Ontario
One-way flight from Alabama to Ontario
Highest demand for flights based on searches. 5% potential increase in price ($25 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Find flight deals from Alabama to Ontario

Cheapest flights from Alabama to Ontario
Explore the most affordable flight options available from Alabama to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

This CheapOair deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:54 pmATL - ONT
1 stop13h 55mFrontier
Mon 10/2012:32 pmONT - ATL
1 stop29h 29mFrontier
Deal found 10/2$163
This CheapOair deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:54 pmATL - ONT
1 stop14h 23mFrontier
Wed 11/128:45 amONT - ATL
1 stop8h 10mFrontier
Deal found 10/1$164
This CheapOair deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:13 pmATL - ONT
1 stop27h 29mFrontier
Fri 10/2412:32 pmONT - ATL
1 stop24h 18mFrontier
Deal found 10/2$166
This Cheapflightsfares deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:30 amATL - ONT
1 stop6h 40mFrontier
Thu 10/307:44 pmONT - ATL
1 stop6h 01mFrontier
Deal found 10/2$167
This Frontier deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:54 pmATL - ONT
1 stop13h 55mFrontier
Sat 10/251:37 pmONT - ATL
1 stop13h 31mFrontier
Deal found 10/1$169
This CheapOair deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:15 pmATL - ONT
1 stop12h 14mFrontier
Tue 11/188:45 amONT - ATL
1 stop8h 10mFrontier
Deal found 9/30$180
This CheapOair deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:54 pmATL - ONT
1 stop13h 55mFrontier
Sun 10/1910:40 pmONT - ATL
1 stop28h 35mFrontier
Deal found 9/30$182
This CheapOair deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/83:25 pmATL - ONT
1 stop29h 29mFrontier
Wed 10/156:53 amONT - ATL
1 stop8h 55mFrontier
Deal found 9/30$184
This Kiwi.com deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:44 amATL - ONT
1 stop14h 20mMultiple Airlines
Sun 12/74:51 pmONT - ATL
1 stop9h 56mMultiple Airlines
Deal found 10/1$185
This Booking.com deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:30 amATL - ONT
1 stop19h 20mFrontier
Thu 10/166:53 amONT - ATL
1 stop20h 09mFrontier
Deal found 10/2$186
This Frontier deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:30 amATL - ONT
1 stop6h 40mFrontier
Sat 11/812:05 pmONT - ATL
2 stops18h 34mFrontier
Deal found 9/30$190
This Frontier deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/233:38 pmPNS - ONT
1 stop10h 12mFrontier
Sun 10/266:53 amONT - PNS
1 stop7h 37mFrontier
Deal found 10/2$198

Cheapflights Fare Finder

 
Customize your flight search to find flights from Alabama to Ontario 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, Cheapflights users made 2,558,603 searches. Data last updated October 2, 2025.
Use the filters below to find and compare flights from Alabama to Ontario that are best for you.

Fly from

Alabama

Fly to

Ontario

Route

Depart

Return

Price

BirminghamOntario

BHM - ONT

BHMONT

Birmingham

Wed 10/29

5:24 am-12:14 pm

2 stops8h 50m

Ontario

Wed 11/5

10:00 pm-7:59 am

1 stop7h 59m

$284

MobileOntario

MOB - ONT

MOBONT

Mobile

Thu 11/6

7:37 pm-11:57 pm

1 stop6h 20m

Ontario

Sun 11/9

11:59 pm-10:01 am

1 stop8h 02m

$289

MobileOntario

MOB - ONT

MOBONT

Mobile

Wed 10/29

5:43 am-10:26 am

1 stop6h 43m

Ontario

Wed 11/5

11:36 am-10:48 pm

1 stop9h 12m

$289

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Tue 10/28

6:09 am-10:26 am

1 stop6h 17m

Ontario

Tue 11/4

10:00 pm-9:04 am

1 stop9h 04m

$289

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Tue 11/18

1:32 pm-7:42 pm

1 stop9h 10m

Ontario

Thu 11/27

7:05 am-5:34 pm

1 stop7h 29m

$289

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Sat 2/21

3:15 pm-9:14 pm

1 stop8h 59m

Ontario

Wed 2/25

10:30 pm-9:05 am

1 stop7h 35m

$289

AtlantaOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Tue 10/28

6:45 am-12:20 pm

2 stops8h 35m

Ontario

Tue 11/4

9:55 am-10:15 pm

2 stops9h 20m

$291

MobileOntario

MOB - ONT

MOBONT

Mobile

Wed 11/12

3:42 pm-11:04 pm

1 stop9h 22m

Ontario

Sat 11/15

4:49 pm-8:36 am

2 stops13h 47m

$294

MobileOntario

MOB - ONT

MOBONT

Mobile

Wed 12/10

3:42 pm-11:04 pm

1 stop9h 22m

Ontario

Sat 12/13

4:49 pm-8:31 am

2 stops13h 42m

$294

AtlantaOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Mon 2/2

9:40 am-11:38 am

Nonstop4h 58m

Ontario

Sat 2/21

1:00 pm-8:10 pm

Nonstop4h 10m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Showing 1-10 of 60 results
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Best time to book a flight from Alabama to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Alabama with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Alabama to Ontario

What is the cheapest month to book a flight from Alabama to Ontario?

Currently, August is the cheapest month in which you can book a flight from Alabama to Ontario (average of $246). Flying from Alabama to Ontario in March is currently the most expensive (average of $327). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Alabama to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Alabama to Ontario as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Alabama to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Ontario from Alabama?

    If you book a flight to Ontario from Alabama, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • How long is the flight from Alabama to Ontario?

    Airlines like Delta, American Airlines, and Southwest fly from Alabama to Ontario in about 6h 20m. The time it takes to get you to your destination can typically vary by up to 2h 30m. The distance from Alabama to Ontario is about 1722 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    One-way options have recently been found by users for as low as $140 on Delta. Other airlines that offer cheap prices include United Airlines from $140 and Frontier from $147 one-way.

  • What are the most popular routes from Alabama to Ontario?

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

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

  • How can I find direct flights from Alabama to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Alabama 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.

  • What is the cheapest month to book a flight from Alabama to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Alabama to Ontario (average of $246). Flying from Alabama to Ontario in March is currently the most expensive (average of $327). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Alabama to Ontario

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

Top 4 airlines flying from Alabama to Ontario

Discover the top 4 airlines that operate flights from Alabama to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$286Average$470FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$472FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$302Average$388FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$366Average$466FlexibilityNo cancel feeOn-time63%

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