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Ontario

$125+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ONT
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
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Cheap 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 August 4, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:35 pm
ATL
-
ONT
1 stop16h 29m
Frontier
Tue 9/2211:45 am
ONT
-
ATL
1 stop9h 25m
Frontier
Deal found 7/31$179
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:30 am
ATL
-
ONT
1 stop8h 10m
Frontier
Wed 11/42:35 pm
ONT
-
ATL
1 stop11h 16m
Frontier
Deal found 7/30$186
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:07 am
ATL
-
ONT
1 stop15h 54m
Frontier
Tue 9/16:00 am
ONT
-
ATL
1 stop20h 21m
Frontier
Deal found 7/31$191
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:53 pm
ATL
-
ONT
2 stops46h 11m
Frontier
Mon 8/3110:49 am
ONT
-
ATL
1 stop15h 32m
Frontier
Deal found 7/30$194
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:41 am
ATL
-
ONT
1 stop20h 06m
Frontier
Mon 9/148:11 pm
ONT
-
ATL
1 stop23h 57m
Frontier
Deal found 8/2$199
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:59 pm
ATL
-
ONT
1 stop17h 31m
Frontier
Thu 9/177:46 pm
ONT
-
ATL
1 stop24h 22m
Frontier
Deal found 7/31$208
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:41 am
ATL
-
ONT
1 stop20h 06m
Frontier
Sun 9/277:46 pm
ONT
-
ATL
1 stop24h 22m
Frontier
Deal found 7/29$211
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:35 pm
ATL
-
ONT
1 stop16h 29m
Frontier
Mon 8/3110:49 am
ONT
-
ATL
1 stop15h 32m
Frontier
Deal found 7/30$212
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:00 pm
ATL
-
ONT
1 stop13h 32m
Frontier
Mon 8/3110:49 am
ONT
-
ATL
1 stop15h 32m
Frontier
Deal found 7/30$213
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:07 am
ATL
-
ONT
1 stop15h 54m
Frontier
Tue 8/257:56 pm
ONT
-
ATL
2 stops21h 08m
Frontier
Deal found 7/31$214
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:07 am
ATL
-
ONT
1 stop15h 54m
Frontier
Mon 8/2410:49 am
ONT
-
ATL
2 stops19h 43m
Frontier
Deal found 7/31$215
This Frontier deal was found by Cheapflights users on 7/30. 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.
Thu 8/207:26 pm
PNS
-
ONT
1 stop6h 24m
Frontier
Thu 8/276:00 am
ONT
-
PNS
1 stop10h 31m
Frontier
Deal found 7/30$250

Find flight deals from Alabama to Ontario

Keep the following information in mind while searching for Alabama to Ontario flight deals. Data was last updated August 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$179
(Kiwi.com)

One-way from

$125
(Frontier)

Popular in

December

Cheapest in

September

Average price

$456
Provider with most accurate pricing for Birmingham-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Birmingham-Los Angeles flights.
Search Deals
From Alabama to Ontario
Search Deals
One-way flight from Alabama to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 August 4, 2026.
Use the filters below to find and compare flights from Alabama to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Fri 10/9

12:30 pm-10:43 am

1 stop25h 13m

Ontario

Mon 10/12

3:57 pm-4:46 pm

1 stop21h 49m

$249

AtlantaOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Fri 9/18

8:33 am-4:59 pm

1 stop11h 26m

Ontario

Wed 9/23

2:30 pm-5:00 am

1 stop11h 30m

$249
Quickest round-trip

BirminghamOntario

BHM - ONT

BHMONT

Birmingham

Sat 9/5

6:15 am-10:20 am

1 stop6h 05m

Ontario

Sun 9/6

2:10 pm-10:05 pm

1 stop5h 55m

$333

AtlantaOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Wed 9/23

3:45 pm-9:00 pm

2 stops8h 15m

Ontario

Sat 9/26

5:40 am-4:55 pm

2 stops8h 15m

$357

AtlantaOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Wed 9/2

7:10 am-12:30 pm

2 stops8h 20m

Ontario

Wed 9/9

8:35 am-8:00 pm

2 stops8h 25m

$357

MobileOntario

MOB - ONT

MOBONT

Mobile

Thu 11/26

12:10 pm-7:41 pm

1 stop9h 31m

Ontario

Wed 12/16

12:22 pm-11:48 pm

1 stop9h 26m

$359

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Wed 8/26

2:56 pm-7:53 pm

1 stop6h 57m

Ontario

Sun 8/30

7:05 am-3:25 pm

1 stop6h 20m

$359

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Sat 8/29

6:00 am-10:42 am

1 stop6h 42m

Ontario

Sun 8/30

12:00 pm-10:44 pm

1 stop8h 44m

$359

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Fri 10/23

3:02 pm-9:54 pm

1 stop8h 52m

Ontario

Sat 10/31

7:07 am-5:47 pm

1 stop8h 40m

$359

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Tue 9/29

6:45 am-11:05 am

1 stop7h 20m

Ontario

Mon 10/5

12:19 pm-10:06 pm

1 stop6h 47m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 60 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Alabama to Ontario (average of $416). Flying from Alabama to Ontario in December is currently the most expensive (average of $627). 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.

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 Frontier, Southwest, and Delta fly from Alabama to Ontario in about 6h 05m. The time it takes to get you to your destination can typically vary by up to 19h 08m. The distance from Alabama to Ontario is about 1763 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 $138 on Delta. Other airlines that offer cheap prices include American Airlines from $143 and United Airlines from $153 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, Birmingham - Ontario or Chattanooga Lovell Field - 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, May is the cheapest month in which you can book a flight from Alabama to Ontario (average of $416). Flying from Alabama to Ontario in December is currently the most expensive (average of $627). 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

Browse thousands of different options on Cheapflights for your next trip

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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 August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$298Average$515FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$512FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$335Average$468FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$336Average$551FlexibilityNo cancel feeOn-time69%

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