HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$78+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — ONT
Jun 4 — Jun 111
Thu 6/4
Thu 6/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Alabama to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 5, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Tue 6/28:40 pm
ATL
-
ONT
1 stop16h 25m
Frontier
Wed 6/106:00 am
ONT
-
ATL
1 stop20h 02m
Frontier
Deal found 4/30$158
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Tue 6/97:11 pm
ATL
-
ONT
1 stop22h 57m
Frontier
Wed 6/176:00 am
ONT
-
ATL
1 stop20h 02m
Frontier
Deal found 5/1$159
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Wed 6/37:11 pm
ATL
-
ONT
1 stop22h 58m
Frontier
Wed 6/106:00 am
ONT
-
ATL
1 stop20h 02m
Frontier
Deal found 4/30$170
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Wed 5/2712:33 pm
ATL
-
ONT
1 stop14h 16m
Frontier
Mon 6/88:06 pm
ONT
-
ATL
1 stop10h 55m
Frontier
Deal found 5/1$171
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/238:40 pm
ATL
-
ONT
1 stop16h 25m
Frontier
Wed 5/276:00 am
ONT
-
ATL
1 stop19h 58m
Frontier
Deal found 4/30$173
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Mon 6/19:25 pm
ATL
-
ONT
1 stop13h 10m
Frontier
Wed 6/106:00 am
ONT
-
ATL
1 stop20h 02m
Frontier
Deal found 4/30$174
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Tue 6/28:40 pm
ATL
-
ONT
1 stop16h 25m
Frontier
Tue 6/96:00 am
ONT
-
ATL
1 stop20h 02m
Frontier
Deal found 4/30$178
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/238:40 pm
ATL
-
ONT
1 stop16h 25m
Frontier
Sat 5/305:59 pm
ONT
-
ATL
1 stop12h 23m
Frontier
Deal found 4/30$184
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Tue 5/2610:59 pm
ATL
-
ONT
2 stops27h 50m
Frontier
Mon 6/16:00 am
ONT
-
ATL
1 stop19h 58m
Frontier
Deal found 4/30$185
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/238:40 pm
ATL
-
ONT
1 stop16h 25m
Frontier
Mon 6/16:00 am
ONT
-
ATL
2 stops36h 32m
Frontier
Deal found 4/30$186
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/238:40 pm
ATL
-
ONT
1 stop16h 25m
Frontier
Tue 6/28:06 pm
ONT
-
ATL
1 stop15h 24m
Frontier
Deal found 4/30$189
This Frontier deal was found by Cheapflights users on 5/4. 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 5/287:36 pm
PNS
-
ONT
1 stop16h 29m
Frontier
Thu 6/46:00 am
ONT
-
PNS
1 stop10h 41m
Frontier
Deal found 5/4$239

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 May 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$158
(Kiwi.com)

One-way from

$78
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$486
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. 15% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 5, 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

MobileOntario

MOB - ONT

MOBONT

Mobile

Wed 7/8

4:26 pm-9:50 pm

1 stop7h 24m

Ontario

Tue 7/14

10:00 pm-8:31 am

1 stop8h 31m

$349

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Thu 5/28

4:08 pm-9:48 pm

1 stop7h 40m

Ontario

Sat 5/30

10:00 pm-8:11 am

1 stop8h 11m

$349

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Fri 6/5

6:25 pm-9:48 pm

1 stop6h 23m

Ontario

Sat 6/6

10:00 pm-9:19 am

1 stop8h 19m

$349

ValparaisoOntario

VPS - ONT

VPSONT

Valparaiso Destin-Ft Walton Beach

Mon 6/1

8:55 pm-7:32 pm

1 stop24h 37m

Ontario

Sun 6/7

3:30 pm-11:36 pm

2 stops30h 06m

$375

MobileOntario

MOB - ONT

MOBONT

Mobile

Thu 5/28

4:44 pm-9:48 pm

1 stop7h 04m

Ontario

Fri 6/5

10:00 pm-8:38 am

1 stop8h 38m

$375

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Tue 5/19

6:25 pm-9:48 pm

1 stop6h 23m

Ontario

Tue 5/26

12:07 pm-11:53 pm

1 stop8h 46m

$384

PensacolaOntario

PNS - ONT

PNSONT

Pensacola

Tue 5/26

4:35 pm-9:48 pm

1 stop7h 13m

Ontario

Tue 7/7

10:00 pm-8:17 am

1 stop8h 17m

$395

ValparaisoOntario

VPS - ONT

VPSONT

Valparaiso Destin-Ft Walton Beach

Tue 5/26

2:55 pm-9:48 pm

1 stop8h 53m

Ontario

Wed 7/15

10:00 pm-8:31 am

1 stop8h 31m

$401

HuntsvilleOntario

HSV - ONT

HSVONT

Huntsville

Thu 7/9

5:30 am-12:10 pm

2 stops8h 40m

Ontario

Thu 7/16

10:00 pm-8:03 am

1 stop8h 03m

$404

ValparaisoOntario

VPS - ONT

VPSONT

Valparaiso Destin-Ft Walton Beach

Wed 5/27

6:00 am-4:17 pm

2 stops12h 17m

Ontario

Wed 7/15

10:00 pm-8:31 am

1 stop8h 31m

$407

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, July is the cheapest month in which you can book a flight from Alabama to Ontario (average of $286). Flying from Alabama to Ontario in May is currently the most expensive (average of $388). 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.

How much does it cost to fly round-trip from Alabama to Ontario?

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, Southwest, and United Airlines fly from Alabama to Ontario in about 7h 04m. The time it takes to get you to your destination can typically vary by up to 1h 41m. The distance from Alabama to Ontario is about 1800 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 Southwest from $189 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 Birmingham - 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, July is the cheapest month in which you can book a flight from Alabama to Ontario (average of $286). Flying from Alabama to Ontario in May is currently the most expensive (average of $388). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Alabama to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to San Francisco flights
Newark to San Francisco flights
LaGuardia to San Francisco flights
Newark to Los Angeles flights
Newark to Las Vegas flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
O'Hare Intl to Las Vegas flights
Seattle to Las Vegas flights
Los Angeles to Las Vegas flights
Hobby to Las Vegas flights
Seattle to Los Angeles flights
Santa Rosa to Los Angeles flights
San Francisco to Las Vegas flights
O'Hare Intl to Los Angeles flights
Detroit to Las Vegas flights
George Bush Intcntl to Las Vegas flights
Atlanta to Las Vegas flights
LaGuardia to Los Angeles flights
San Francisco to Los Angeles flights
Dulles Intl to Las Vegas flights
Hobby to Los Angeles flights
LaGuardia to Las Vegas flights
Dallas/Fort Worth to San Francisco flights
Los Angeles to San Francisco flights
Atlanta to Los Angeles flights
Stewart to San Francisco flights
Denver to Las Vegas flights
Ontario to San Francisco flights
Seattle to San Francisco flights
Dulles Intl to Los Angeles flights
Reagan-National to Los Angeles flights
Dallas/Fort Worth to Ontario flights
O'Hare Intl to San Francisco flights
Boston to Las Vegas flights
Orlando to Las Vegas flights
Baltimore to Los Angeles flights
George Bush Intcntl to Los Angeles flights
Santa Ana to Las Vegas flights
San Jose to Los Angeles flights
Baltimore to Las Vegas flights
John F Kennedy Intl to San Jose flights
Burbank to Las Vegas flights
San Francisco to Santa Ana flights
Boston to Los Angeles flights
John F Kennedy Intl to Ontario flights
Newark to San Jose flights
San Francisco to Ontario flights

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 May 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$489FlexibilityNo cancel feeOn-time71%
DeltaCheapest$298Average$451FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$333Average$468FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$336Average$483FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.