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Ontario

$110+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ONT
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Frontier)

One-way from

$110
(Trip.com)

Popular in

June

Cheapest in

August

Average price

$476
Provider with most accurate pricing for Birmingham-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Birmingham-Los Angeles flights.
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From Alabama to Ontario
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One-way flight from Alabama to Ontario
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Highest demand for flights based on searches. 12% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 31, 2025.

This Frontier deal was found by Cheapflights users on 3/30. 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.
Sun 4/277:30 amATL - ONT
1 stop9h 12mFrontier
Sat 5/312:59 amONT - ATL
1 stop10h 34mFrontier
Deal found 3/30$238
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/153:30 pmMOB - ONT
1 stop8h 28mUnited Airlines
Sat 4/196:10 amONT - MOB
1 stop7h 58mUnited Airlines
Deal found 3/31$279
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/235:55 pmCHA - ONT
1 stop8h 55mAmerican Airlines
Sun 4/2711:59 pmONT - CHA
1 stop8h 26mAmerican Airlines
Deal found 3/30$289
This CheapOair deal was found by Cheapflights users on 3/30. 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.
Fri 5/164:30 pmPNS - ONT
1 stop9h 29mFrontier
Sat 5/1712:59 amONT - PNS
1 stop12h 29mFrontier
Deal found 3/30$300
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/79:32 amHSV - ONT
1 stop6h 18mAmerican Airlines
Fri 6/2011:59 pmONT - HSV
1 stop8h 08mAmerican Airlines
Deal found 3/30$314
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/66:29 pmCHA - ONT
1 stop7h 00mDelta
Tue 6/1010:05 pmONT - CHA
1 stop8h 56mDelta
Deal found 3/30$314
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/181:45 pmHSV - ONT
1 stop7h 43mDelta
Sun 4/2012:07 pmONT - HSV
1 stop6h 43mDelta
Deal found 3/30$318
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/182:42 pmMOB - ONT
1 stop9h 54mDelta
Sun 4/206:00 amONT - MOB
2 stops8h 31mDelta
Deal found 3/30$323
This Delta deal was found by Cheapflights users on 3/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/105:15 amBHM - ONT
1 stop7h 53mDelta
Sat 5/177:05 amONT - BHM
1 stop5h 43mDelta
Deal found 3/29$347
This United Airlines deal was found by Cheapflights users on 3/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1011:00 amBHM - ONT
2 stops11h 53mUnited Airlines
Sat 5/176:08 amONT - BHM
1 stop5h 45mUnited Airlines
Deal found 3/29$352
This Hawaiian Airlines deal was found by Cheapflights users on 3/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:12 pmATL - ONT
1 stop8h 47mHawaiian Airlines
Mon 9/227:17 pmONT - ATL
1 stop9h 36mHawaiian Airlines
Deal found 3/30$361
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:19 amBHM - ONT
1 stop8h 03mAmerican Airlines
Mon 9/811:09 pmONT - BHM
1 stop6h 40mAmerican Airlines
Deal found 3/30$361

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 March 31, 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

AtlantaOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Sun 4/27

7:30 am-1:42 pm

1 stop9h 12m

Ontario

Sun 5/4

6:47 pm-9:37 am

1 stop11h 50m

$238

MobileOntario

MOB - ONT

MOBONT

Mobile

Tue 4/15

3:30 pm-9:58 pm

1 stop8h 28m

Ontario

Sat 4/19

6:10 am-4:08 pm

1 stop7h 58m

$279

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Wed 4/23

5:55 pm-11:50 pm

1 stop8h 55m

Ontario

Sun 4/27

11:59 pm-11:25 am

1 stop8h 26m

$289

PensacolaOntario

PNS - ONT

PNSONT

Pensacola

Fri 5/16

4:30 pm-11:59 pm

1 stop9h 29m

Ontario

Sat 5/17

12:59 am-3:28 pm

1 stop12h 29m

$300

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Fri 6/6

6:29 pm-10:29 pm

1 stop7h 00m

Ontario

Tue 6/10

10:05 pm-10:01 am

1 stop8h 56m

$314

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Sat 6/7

9:32 am-1:50 pm

1 stop6h 18m

Ontario

Fri 6/20

11:59 pm-10:07 am

1 stop8h 08m

$314

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Fri 4/18

1:45 pm-7:28 pm

1 stop7h 43m

Ontario

Sun 4/20

12:07 pm-8:50 pm

1 stop6h 43m

$318

MobileOntario

MOB - ONT

MOBONT

Mobile

Fri 4/18

2:42 pm-10:36 pm

1 stop9h 54m

Ontario

Sun 4/20

6:00 am-4:31 pm

2 stops8h 31m

$323

BirminghamOntario

BHM - ONT

BHMONT

Birmingham

Sat 5/10

5:15 am-11:08 am

1 stop7h 53m

Ontario

Sat 5/17

7:05 am-2:48 pm

1 stop5h 43m

$347

BirminghamOntario

BHM - ONT

BHMONT

Birmingham

Sat 5/10

11:00 am-8:53 pm

2 stops11h 53m

Ontario

Sat 5/17

6:08 am-1:53 pm

1 stop5h 45m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 53 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 $326). 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 March 31, 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

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.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated March 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Alabama to Ontario by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Hawaiian Airlines
7.9
Good
2,344 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.1

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

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.

  • 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 $110 on Frontier. Other airlines that offer cheap prices include United Airlines from $155 and Hawaiian Airlines from $171 one-way.

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

    When deciding which route to take from Alabama to Ontario consider Atlanta Hartsfield-Jackson - Ontario, Pensacola - Ontario or Valparaiso Destin-Ft Walton Beach - Ontario as they are the most popular.

  • 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 $326). 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.
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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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$256Average$380FlexibilityNo cancel feeOn-time69%
DeltaCheapest$266Average$418FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$460FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$338Average$417FlexibilityNo cancel feeOn-time63%
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