What is the cheapest airline that flies from Ontario to Alabama?

Southwest, Delta, and United Airlines are the most popular carriers operating from Ontario to Alabama

What airlines fly to Alabama?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Alabama from Ontario according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Alabama. Keep in mind that there are 4 different airlines that fly to Alabama on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Alabama?

Prices for flights from Ontario Airport to Alabama refresh daily.

How many operators does momondo search for flights from Ontario Airport to Alabama?

As of September 2026, there are 4 operators available to choose from for flights from Ontario Airport to Alabama.

How old do you have to be to fly from Ontario Airport to Alabama?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Alabama.

What documentation or ID do you need to fly to Alabama?

The travel and health documents required for your trip to Alabama can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Alabama. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$194 Cheap Flights from Ontario to Alabama in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Alabama

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:07 am - 3:49 pmONT Ontario-MOB Mobile

6h 42m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:03 amMOB Mobile-ONT Ontario

7h 03m1 stop Atlanta Hartsfield-Jackson

$379Delta

Sat, Nov 7 - Fri, Nov 13

11:15 pm - 8:30 amONT Ontario-MOB Mobile

7h 15m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:06 amMOB Mobile-ONT Ontario

7h 06m1 stop Atlanta Hartsfield-Jackson

$379Delta

Mon, Oct 12 - Sat, Oct 17

12:42 pm - 9:43 pmONT Ontario-HSV Huntsville

7h 01m1 stop Dallas/Fort Worth

5:20 am - 9:40 amHSV Huntsville-ONT Ontario

6h 20m1 stop Dallas/Fort Worth

$379American Airlines

Fri, Dec 4 - Wed, Dec 9

11:59 pm - 9:06 amONT Ontario-HSV Huntsville

7h 07m1 stop Dallas/Fort Worth

5:00 am - 9:35 amHSV Huntsville-ONT Ontario

6h 35m1 stop Dallas/Fort Worth

$379American Airlines

Wed, Oct 21 - Wed, Oct 28

6:00 am - 4:09 pmONT Ontario-MOB Mobile

8h 09m1 stop Houston George Bush Intcntl

4:55 pm - 9:40 pmMOB Mobile-ONT Ontario

6h 45m1 stop Houston George Bush Intcntl

$379United Airlines

Tue, Oct 20 - Tue, Oct 27

5:00 am - 2:49 pmONT Ontario-BHM Birmingham

7h 49m1 stop Denver Intl

3:45 pm - 8:51 pmBHM Birmingham-ONT Ontario

7h 06m1 stop Denver Intl

$383United Airlines

Thu, Oct 29 - Sun, Nov 1

8:35 am - 6:10 pmONT Ontario-BHM Birmingham

7h 35m1 stop Phoenix Sky Harbor Intl

4:10 pm - 10:00 pmBHM Birmingham-ONT Ontario

7h 50m1 stop Las Vegas Harry Reid Intl

$387Southwest

Thu, Nov 5 - Mon, Nov 9

11:25 am - 9:35 pmONT Ontario-BHM Birmingham

8h 10m1 stop Nashville Intl

7:05 am - 2:30 pmBHM Birmingham-ONT Ontario

9h 25m2 stops Dallas Love Field Las Vegas Harry Reid Intl

$392Southwest

Thu, Dec 10 - Wed, Dec 16

11:52 am - 9:15 amONT Ontario-HSV Huntsville

19h 23m2 stops Denver Intl Orlando

9:38 am - 11:16 amHSV Huntsville-ONT Ontario

27h 38m1 stop Las Vegas Harry Reid Intl

$416Multiple Airlines

Wed, Oct 21 - Wed, Oct 28

8:24 pm - 6:23 pmONT Ontario-HSV Huntsville

19h 59m1 stop Las Vegas Harry Reid Intl

7:37 pm - 10:30 amHSV Huntsville-ONT Ontario

16h 53m2 stops Orlando Denver Intl

$494Multiple Airlines

Fri, Oct 2 - Mon, Oct 5

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 4:17 pmONT Ontario-MGM Montgomery Dannelly Field

8h 17m1 stop Houston George Bush Intcntl

4:53 pm - 9:59 pmMGM Montgomery Dannelly Field-ONT Ontario

7h 06m1 stop Houston George Bush Intcntl

$461United Airlines

Sat, Sep 26 - Fri, Oct 2

5:00 am - 4:17 pmONT Ontario-MGM Montgomery Dannelly Field

9h 17m2 stops Denver Intl Houston George Bush Intcntl

4:53 pm - 9:59 pmMGM Montgomery Dannelly Field-ONT Ontario

7h 06m1 stop Houston George Bush Intcntl

$467United Airlines

Sat, Sep 26 - Fri, Oct 2

6:00 am - 3:15 pmONT Ontario-HSV Huntsville

7h 15m1 stop Houston George Bush Intcntl

2:50 pm - 9:59 pmHSV Huntsville-ONT Ontario

9h 09m1 stop Houston George Bush Intcntl

$493United Airlines

Sat, Sep 26 - Wed, Sep 30

12:37 pm - 10:08 pmONT Ontario-MGM Montgomery Dannelly Field

7h 31m1 stop Dallas/Fort Worth

7:11 am - 11:47 amMGM Montgomery Dannelly Field-ONT Ontario

6h 36m1 stop Dallas/Fort Worth

$557American Airlines

Sat, Sep 26 - Fri, Oct 2

10:00 pm - 9:05 amONT Ontario-HSV Huntsville

9h 05m1 stop Atlanta Hartsfield-Jackson

4:50 pm - 10:24 pmHSV Huntsville-ONT Ontario

7h 34m1 stop Atlanta Hartsfield-Jackson

$559Delta

Fri, Sep 25 - Mon, Sep 28

1:05 pm - 11:40 pmONT Ontario-HSV Huntsville

8h 35m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

8:40 am - 6:17 pmHSV Huntsville-ONT Ontario

11h 37m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

$567American Airlines

Sat, Sep 26 - Wed, Sep 30

2:22 pm - 10:58 pmONT Ontario-MOB Mobile

6h 36m1 stop Dallas/Fort Worth

5:30 am - 9:29 amMOB Mobile-ONT Ontario

5h 59m1 stop Dallas/Fort Worth

$614American Airlines

Mon, Sep 28 - Sat, Oct 3

2:00 pm - 10:20 pmONT Ontario-BHM Birmingham

6h 20m1 stop Denver Intl

5:45 pm - 10:05 pmBHM Birmingham-ONT Ontario

6h 20m1 stop Denver Intl

$681Southwest

Mon, Sep 28 - Wed, Sep 30

5:15 am - 4:20 pmONT Ontario-BHM Birmingham

9h 05m2 stops Phoenix Sky Harbor Intl Dallas Love Field

5:45 pm - 10:05 pmBHM Birmingham-ONT Ontario

6h 20m1 stop Denver Intl

$686Southwest

Mon, Sep 28 - Wed, Sep 30

10:00 pm - 8:24 amONT Ontario-BHM Birmingham

8h 24m1 stop Atlanta Hartsfield-Jackson

5:08 pm - 10:24 pmBHM Birmingham-ONT Ontario

7h 16m1 stop Atlanta Hartsfield-Jackson

$761Delta

Fri, Sep 25 - Mon, Sep 28

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Southwest flights from Ontario to Alabama

Our best Southwest deals on Ontario to Alabama flight tickets

Southwest

Dec 10

ONT11:25 amOntario

8h 10m

1 stop

BHM9:35 pmBirmingham

Dec 16

BHM7:05 amBirmingham

9h 25m

2 stops

ONT2:30 pmOntario

$392

Southwest

Dec 4

ONT5:55 amOntario

8h 25m

2 stops

BHM4:20 pmBirmingham

Dec 14

BHM7:05 amBirmingham

5h 40m

1 stop

ONT10:45 amOntario

$403

Southwest

Nov 11

ONT1:30 pmOntario

7h 40m

1 stop

BHM11:10 pmBirmingham

Nov 16

BHM5:35 pmBirmingham

6h 10m

1 stop

ONT9:45 pmOntario

$413

United Airlines flights from Ontario to Alabama

Our best United Airlines deals on Ontario to Alabama flight tickets

United Airlines

Oct 29

ONT5:00 amOntario

7h 49m

1 stop

BHM2:49 pmBirmingham

Nov 1

BHM3:45 pmBirmingham

7h 06m

1 stop

ONT8:51 pmOntario

$383

United Airlines

Oct 20

ONT6:00 amOntario

8h 09m

1 stop

MOB4:09 pmMobile

Oct 27

MOB9:00 amMobile

13h 15m

2 stops

ONT8:15 pmOntario

$384

United Airlines

Dec 10

ONT5:00 amOntario

7h 56m

1 stop

BHM2:56 pmBirmingham

Dec 16

BHM2:55 pmBirmingham

9h 04m

1 stop

ONT9:59 pmOntario

$387

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMobile

ONT Ontario - MOB Mobile

ONTMOB

Ontario

Sat 11/7

7:07 am-3:49 pm

1 stop6h 42m

Mobile

Fri 11/13

6:00 am-11:03 am

1 stop7h 03m

$379

OntarioMobile

ONT Ontario - MOB Mobile

ONTMOB

Ontario

Mon 10/12

11:15 pm-8:30 am

1 stop7h 15m

Mobile

Sat 10/17

6:00 am-11:06 am

1 stop7h 06m

$379

Quickest round-trip

OntarioHuntsville

ONT Ontario - HSV Huntsville

ONTHSV

Ontario

Fri 12/4

12:42 pm-9:43 pm

1 stop7h 01m

Huntsville

Wed 12/9

5:20 am-9:40 am

1 stop6h 20m

$379

OntarioHuntsville

ONT Ontario - HSV Huntsville

ONTHSV

Ontario

Wed 10/21

11:59 pm-9:06 am

1 stop7h 07m

Huntsville

Wed 10/28

5:00 am-9:35 am

1 stop6h 35m

$379

OntarioMobile

ONT Ontario - MOB Mobile

ONTMOB

Ontario

Tue 10/20

6:00 am-4:09 pm

1 stop8h 09m

Mobile

Tue 10/27

4:55 pm-9:40 pm

1 stop6h 45m

$379

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Thu 10/29

5:00 am-2:49 pm

1 stop7h 49m

Birmingham

Sun 11/1

3:45 pm-8:51 pm

1 stop7h 06m

$383

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Thu 11/5

8:35 am-6:10 pm

1 stop7h 35m

Birmingham

Mon 11/9

4:10 pm-10:00 pm

1 stop7h 50m

$387

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Thu 12/10

11:25 am-9:35 pm

1 stop8h 10m

Birmingham

Wed 12/16

7:05 am-2:30 pm

2 stops9h 25m

$392

OntarioHuntsville

ONT Ontario - HSV Huntsville

ONTHSV

Ontario

Wed 10/21

11:52 am-9:15 am

2 stops19h 23m

Huntsville

Wed 10/28

9:38 am-11:16 am

1 stop27h 38m

$416

OntarioHuntsville

ONT Ontario - HSV Huntsville

ONTHSV

Ontario

Fri 10/2

8:24 pm-6:23 pm

1 stop19h 59m

Huntsville

Mon 10/5

7:37 pm-10:30 am

2 stops16h 53m

$494

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Alabama

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Alabama?

In general, February is the cheapest month to fly from Ontario to Alabama. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $397. If you’re not able to fly to Alabama in February, then January is your next best option. Flight prices from Ontario to Alabama during January average around $449.

Can stopping save me money on Ontario to Alabama flights?

You could potentially save up to 24% on your flight if you consider stops on a Ontario to Alabama flight.

Cheap Ontario to Alabama flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Alabama

Best Price Found	$194
Fastest flight time	4h 06m
Direct flights	None

The best one-way flight to Alabama from Ontario in the past 72 hours is $194. The best round-trip flight deal from Ontario to Alabama found on momondo in the last 72 hours is $379.

The fastest flight from Ontario to Alabama takes 4h 06m

There are no direct flights from Ontario to Alabama. There are no popular flight routes from Ontario to Alabama.

Search flight deals

Frequently asked questions about flying from Ontario to Alabama

When did momondo last update prices for flights from Ontario Airport to Alabama?
Prices for flights from Ontario Airport to Alabama refresh daily.
How many operators does momondo search for flights from Ontario Airport to Alabama?
As of September 2026, there are 4 operators available to choose from for flights from Ontario Airport to Alabama.
How old do you have to be to fly from Ontario Airport to Alabama?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Alabama.
What documentation or ID do you need to fly to Alabama?
The travel and health documents required for your trip to Alabama can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Alabama. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Alabama

Compare and see reviews for airlines that fly from Ontario to Alabama with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $223	Free Cancellation	Rating 7.4 10,225 reviews	Search United Airlines flights
Delta	PriceFrom $288	Free Cancellation	Rating 7.8 8,595 reviews	Search Delta flights
American Airlines	PriceFrom $313	Free Cancellation	Rating 7.0 12,082 reviews	Search American Airlines flights
Southwest	PriceFrom $333	Free Cancellation	Rating 8.0 4,195 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Alabama?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Alabama. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Alabama with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Alabama flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Alabama?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Alabama.

I’m not ready to book a flight from Ontario to Alabama right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Alabama flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.