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

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

How many flights depart from Ontario to Alabama on average per week?

79 flights are operational weekly from Ontario to Alabama as of August 2026. The most popular departure day for this route is Thu, with 18% of flights per week taking off on this day.

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 44% of people opting to fly with this airline when traveling to Alabama. Keep in mind that there are 5 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 August 2026, there are 6 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.

$109 Cheap Flights from Ontario to Alabama in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Alabama

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 6:04 pmONT Ontario-PNS Pensacola

10h 04m1 stop Denver Intl

6:59 pm - 11:55 pmPNS Pensacola-ONT Ontario

6h 56m1 stop Denver Intl

$252Frontier

Sat, Oct 17 - Sat, Oct 24

6:00 am - 6:31 pmONT Ontario-PNS Pensacola

10h 31m1 stop Denver Intl

4:31 pm - 11:50 pmPNS Pensacola-ONT Ontario

9h 19m1 stop Denver Intl

$252Frontier

Thu, Aug 27 - Sat, Aug 29

6:00 am - 4:20 pmONT Ontario-VPS Valparaiso Destin-Ft Walton Beach

8h 20m1 stop Denver Intl

8:15 am - 11:47 pmVPS Valparaiso Destin-Ft Walton Beach-ONT Ontario

17h 32m2 stops Omaha Eppley Airfield Denver Intl

$297Multiple Airlines

Sun, Sep 6 - Fri, Sep 11

6:00 am - 4:20 pmONT Ontario-VPS Valparaiso Destin-Ft Walton Beach

8h 20m1 stop Denver Intl

9:19 am - 11:47 pmVPS Valparaiso Destin-Ft Walton Beach-ONT Ontario

16h 28m2 stops Indianapolis Denver Intl

$315Multiple Airlines

Sun, Sep 6 - Sat, Sep 12

7:05 am - 4:57 pmONT Ontario-BHM Birmingham

7h 52m1 stop Atlanta Hartsfield-Jackson

5:06 am - 10:42 amBHM Birmingham-ONT Ontario

7h 36m1 stop Atlanta Hartsfield-Jackson

$333Delta

Tue, Aug 18 - Wed, Aug 26

12:00 pm - 11:02 pmONT Ontario-BHM Birmingham

9h 02m1 stop Atlanta Hartsfield-Jackson

6:22 am - 10:42 amBHM Birmingham-ONT Ontario

6h 20m1 stop Atlanta Hartsfield-Jackson

$333Delta

Wed, Aug 19 - Sat, Aug 29

11:55 am - 7:30 pmONT Ontario-BHM Birmingham

5h 35m1 stop Houston Hobby

6:30 am - 11:25 amBHM Birmingham-ONT Ontario

6h 55m1 stop Las Vegas Harry Reid Intl

$333Southwest

Sat, Sep 5 - Fri, Sep 11

5:55 am - 4:00 pmONT Ontario-ATL Atlanta Hartsfield-Jackson

7h 05m2 stops Phoenix Sky Harbor Intl Austin Bergstrom

7:35 am - 11:55 amATL Atlanta Hartsfield-Jackson-ONT Ontario

7h 20m1 stop Las Vegas Harry Reid Intl

$340Southwest

Fri, Dec 25 - Thu, Dec 31

12:33 pm - 10:31 pmONT Ontario-MGM Montgomery Dannelly Field

7h 58m1 stop Dallas/Fort Worth

6:22 pm - 10:59 pmMGM Montgomery Dannelly Field-ONT Ontario

6h 37m1 stop Dallas/Fort Worth

$348American Airlines

Thu, Aug 27 - Sun, Aug 30

12:33 pm - 10:20 pmONT Ontario-CHA Chattanooga Lovell Field

6h 47m1 stop Dallas/Fort Worth

6:14 am - 9:34 amCHA Chattanooga Lovell Field-ONT Ontario

6h 20m1 stop Dallas/Fort Worth

$359American Airlines

Tue, Sep 1 - Tue, Sep 8

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 6:26 pmONT Ontario-PNS Pensacola

10h 26m1 stop Denver Intl

3:26 pm - 10:30 amPNS Pensacola-ONT Ontario

21h 04m1 stop Denver Intl

$309Frontier

Tue, Aug 11 - Fri, Sep 11

6:00 am - 3:36 pmONT Ontario-PNS Pensacola

7h 36m1 stop Denver Intl

3:26 pm - 10:30 amPNS Pensacola-ONT Ontario

21h 04m1 stop Denver Intl

$309Frontier

Sat, Aug 8 - Fri, Sep 11

12:00 pm - 10:44 pmONT Ontario-HSV Huntsville

8h 44m1 stop Atlanta Hartsfield-Jackson

4:18 pm - 9:52 pmHSV Huntsville-ONT Ontario

7h 34m1 stop Atlanta Hartsfield-Jackson

$416Delta

Wed, Aug 12 - Mon, Aug 24

12:00 pm - 10:44 pmONT Ontario-HSV Huntsville

8h 44m1 stop Atlanta Hartsfield-Jackson

4:18 pm - 9:52 pmHSV Huntsville-ONT Ontario

7h 34m1 stop Atlanta Hartsfield-Jackson

$416Delta

Tue, Aug 11 - Mon, Aug 24

6:00 am - 4:26 pmONT Ontario-HSV Huntsville

8h 26m1 stop Dallas/Fort Worth

5:00 am - 11:43 amHSV Huntsville-ONT Ontario

8h 43m1 stop Dallas/Fort Worth

$448American Airlines

Sat, Aug 8 - Wed, Aug 26

6:15 am - 7:08 pmONT Ontario-HSV Huntsville

10h 53m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

5:00 am - 9:34 amHSV Huntsville-ONT Ontario

6h 34m1 stop Dallas/Fort Worth

$453American Airlines

Sat, Aug 8 - Wed, Aug 26

5:45 am - 4:19 pmONT Ontario-MOB Mobile

8h 34m1 stop Houston George Bush Intcntl

7:00 am - 6:16 pmMOB Mobile-ONT Ontario

13h 16m2 stops Houston George Bush Intcntl San Francisco

$476United Airlines

Sat, Aug 8 - Wed, Aug 12

4:09 pm - 8:35 amONT Ontario-PNS Pensacola

14h 26m2 stops Las Vegas Harry Reid Intl Orlando

3:26 pm - 11:47 pmPNS Pensacola-ONT Ontario

10h 21m1 stop Denver Intl

$479Multiple Airlines

Mon, Aug 10 - Fri, Sep 11

5:45 am - 4:06 pmONT Ontario-PNS Pensacola

8h 21m1 stop Houston George Bush Intcntl

9:00 am - 6:11 pmPNS Pensacola-ONT Ontario

11h 11m2 stops Houston George Bush Intcntl San Francisco

$480United Airlines

Sat, Aug 8 - Fri, Sep 11

4:09 pm - 5:21 pmONT Ontario-HSV Huntsville

23h 12m1 stop Las Vegas Harry Reid Intl

9:03 am - 3:54 pmHSV Huntsville-ONT Ontario

32h 51m2 stops Orlando Sanford Intl Las Vegas Harry Reid Intl

$485Multiple Airlines

Tue, Aug 11 - Mon, Aug 24

Cheap direct flights

Enter your travel dates to find the best prices.

10:59 pm - 6:08 amONT Ontario-ATL Atlanta Hartsfield-Jackson

4h 09mnonstop

9:40 am - 11:27 amATL Atlanta Hartsfield-Jackson-ONT Ontario

4h 47mnonstop

$449Delta

Thu, Dec 24 - Mon, Jan 4

10:59 pm - 6:08 amONT Ontario-ATL Atlanta Hartsfield-Jackson

4h 09mnonstop

8:30 pm - 10:14 pmATL Atlanta Hartsfield-Jackson-ONT Ontario

4h 44mnonstop

$449Delta

Tue, Dec 22 - Thu, Jan 7

10:59 pm - 6:08 amONT Ontario-ATL Atlanta Hartsfield-Jackson

4h 09mnonstop

9:40 am - 11:27 amATL Atlanta Hartsfield-Jackson-ONT Ontario

4h 47mnonstop

$449Delta

Tue, Dec 22 - Fri, Jan 8

12:00 pm - 7:14 pmONT Ontario-ATL Atlanta Hartsfield-Jackson

4h 14mnonstop

8:30 pm - 10:14 pmATL Atlanta Hartsfield-Jackson-ONT Ontario

4h 44mnonstop

$449Delta

Sat, Dec 26 - Tue, Jan 5

12:00 pm - 7:14 pmONT Ontario-ATL Atlanta Hartsfield-Jackson

4h 14mnonstop

9:40 am - 11:27 amATL Atlanta Hartsfield-Jackson-ONT Ontario

4h 47mnonstop

$449Delta

Sat, Dec 26 - Mon, Jan 4

10:59 pm - 6:08 amONT Ontario-ATL Atlanta Hartsfield-Jackson

4h 09mnonstop

9:40 am - 11:27 amATL Atlanta Hartsfield-Jackson-ONT Ontario

4h 47mnonstop

$449Delta

Fri, Dec 25 - Thu, Jan 7

12:17 pm - 7:30 pmONT Ontario-ATL Atlanta Hartsfield-Jackson

4h 13mnonstop

9:40 am - 11:05 amATL Atlanta Hartsfield-Jackson-ONT Ontario

4h 25mnonstop

$449Delta

Wed, Sep 16 - Tue, Sep 22

12:17 pm - 7:30 pmONT Ontario-ATL Atlanta Hartsfield-Jackson

4h 13mnonstop

8:59 pm - 10:24 pmATL Atlanta Hartsfield-Jackson-ONT Ontario

4h 25mnonstop

$449Delta

Fri, Sep 11 - Sun, Sep 13

10:00 pm - 5:05 amONT Ontario-ATL Atlanta Hartsfield-Jackson

4h 05mnonstop

8:59 pm - 10:24 pmATL Atlanta Hartsfield-Jackson-ONT Ontario

4h 25mnonstop

$449Delta

Fri, Sep 18 - Mon, Sep 21

7:05 am - 2:15 pmONT Ontario-ATL Atlanta Hartsfield-Jackson

4h 10mnonstop

8:59 pm - 10:24 pmATL Atlanta Hartsfield-Jackson-ONT Ontario

4h 25mnonstop

$449Delta

Thu, Sep 10 - Fri, Sep 18

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Frontier flights from Ontario to Alabama

Our best Frontier deals on Ontario to Alabama flight tickets

Frontier

Sep 1

ONT6:00 amOntario

10h 31m

1 stop

PNS6:31 pmPensacola

Sep 8

PNS7:26 pmPensacola

6h 24m

1 stop

ONT11:50 pmOntario

$252

Frontier

Oct 23

ONT2:55 pmOntario

25h 09m

1 stop

PNS6:04 pmPensacola

Oct 27

PNS6:59 pmPensacola

6h 56m

1 stop

ONT11:55 pmOntario

$264

Frontier

Oct 14

ONT11:38 amOntario

28h 26m

1 stop

PNS6:04 pmPensacola

Oct 20

PNS6:59 pmPensacola

17h 44m

1 stop

ONT10:43 amOntario

$272

Alaska Airlines flights from Ontario to Alabama

Our best Alaska Airlines deals on Ontario to Alabama flight tickets

Alaska Airlines

Oct 17

ONT11:13 amOntario

9h 46m

1 stop

ATL11:59 pmAtlanta Hartsfield-Jackson

Oct 21

ATL7:03 amAtlanta Hartsfield-Jackson

9h 13m

1 stop

ONT1:16 pmOntario

$347

Alaska Airlines

Jan 19

ONT4:00 pmOntario

11h 32m

1 stop

ATL6:32 amAtlanta Hartsfield-Jackson

Jan 29

ATL4:01 pmAtlanta Hartsfield-Jackson

9h 38m

1 stop

ONT10:39 pmOntario

$382

Alaska Airlines

Aug 19

ONT3:07 pmOntario

22h 24m

2 stops

ATL4:31 pmAtlanta Hartsfield-Jackson

Sep 8

ATL12:40 pmAtlanta Hartsfield-Jackson

25h 36m

2 stops

ONT11:16 amOntario

$468

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPensacola

ONT Ontario - PNS Pensacola

ONTPNS

Ontario

Sat 10/17

6:00 am-6:04 pm

1 stop10h 04m

Pensacola

Sat 10/24

6:59 pm-11:55 pm

1 stop6h 56m

$252

OntarioPensacola

ONT Ontario - PNS Pensacola

ONTPNS

Ontario

Thu 8/27

6:00 am-6:31 pm

1 stop10h 31m

Pensacola

Sat 8/29

4:31 pm-11:50 pm

1 stop9h 19m

$252

OntarioValparaiso

ONT Ontario - VPS Valparaiso Destin-Ft Walton Beach

ONTVPS

Ontario

Sun 9/6

6:00 am-4:20 pm

1 stop8h 20m

Valparaiso Destin-Ft Walton Beach

Fri 9/11

8:15 am-11:47 pm

2 stops17h 32m

$297

OntarioValparaiso

ONT Ontario - VPS Valparaiso Destin-Ft Walton Beach

ONTVPS

Ontario

Sun 9/6

6:00 am-4:20 pm

1 stop8h 20m

Valparaiso Destin-Ft Walton Beach

Sat 9/12

9:19 am-11:47 pm

2 stops16h 28m

$315

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Tue 8/18

7:05 am-4:57 pm

1 stop7h 52m

Birmingham

Wed 8/26

5:06 am-10:42 am

1 stop7h 36m

$333

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Wed 8/19

12:00 pm-11:02 pm

1 stop9h 02m

Birmingham

Sat 8/29

6:22 am-10:42 am

1 stop6h 20m

$333

Quickest round-trip

OntarioBirmingham

ONT Ontario - BHM Birmingham

ONTBHM

Ontario

Sat 9/5

11:55 am-7:30 pm

1 stop5h 35m

Birmingham

Fri 9/11

6:30 am-11:25 am

1 stop6h 55m

$333

OntarioAtlanta

ONT Ontario - ATL Atlanta Hartsfield-Jackson

ONTATL

Ontario

Fri 12/25

5:55 am-4:00 pm

2 stops7h 05m

Atlanta Hartsfield-Jackson

Thu 12/31

7:35 am-11:55 am

1 stop7h 20m

$340

OntarioMontgomery

ONT Ontario - MGM Montgomery Dannelly Field

ONTMGM

Ontario

Thu 8/27

12:33 pm-10:31 pm

1 stop7h 58m

Montgomery Dannelly Field

Sun 8/30

6:22 pm-10:59 pm

1 stop6h 37m

$348

OntarioChattanooga

ONT Ontario - CHA Chattanooga Lovell Field

ONTCHA

Ontario

Tue 9/1

12:33 pm-10:20 pm

1 stop6h 47m

Chattanooga Lovell Field

Tue 9/8

6:14 am-9:34 am

1 stop6h 20m

$359

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

Other information

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 August is your next best option. Flight prices from Ontario to Alabama during August average around $426.

Can stopping save me money on Ontario to Alabama flights?

You could potentially save up to 5% 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

Fastest flight time	4h 05m
Direct flights	Every day
Airports in Alabama	51 airports

The fastest flight from Ontario to Alabama takes 4h 05m

Direct flights go from Ontario to Alabama every day.

There are 51 airports in Alabama. From Ontario there are direct flights to Atlanta Hartsfield-Jackson (ATL).

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 August 2026, there are 6 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 10,081 reviews	Search United Airlines flights
Delta	PriceFrom $288	Free Cancellation	Rating 7.8 8,499 reviews	Search Delta flights
American Airlines	PriceFrom $313	Free Cancellation	Rating 7.1 11,874 reviews	Search American Airlines flights
Southwest	PriceFrom $333	Free Cancellation	Rating 8.0 4,216 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.