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$368+ Cheap flights from Ontario to Montgomery, AL (ONT - MGM)

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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MGM
Jun 4 — Jun 111
Thu 6/4
Thu 6/11
1 adult, Economy
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Cheap flight deals from Ontario to Montgomery

Cheapest flights from Ontario to Montgomery
Explore the most affordable flight options available from Ontario to Montgomery. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:45 am
ONT
-
MGM
1 stop8h 31m
United Airlines
Sun 5/314:51 pm
MGM
-
ONT
1 stop7h 04m
United Airlines
Deal found 5/1$402
This Delta deal was found by Cheapflights users on 5/3. 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 5/1612:07 pm
ONT
-
MGM
1 stop8h 47m
Delta
Tue 5/192:59 pm
MGM
-
ONT
1 stop8h 49m
Delta
Deal found 5/3$408
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:50 am
ONT
-
MGM
2 stops11h 04m
Delta
Sun 5/316:00 am
MGM
-
ONT
1 stop6h 57m
Delta
Deal found 5/1$409
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/122:18 pm
ONT
-
MGM
1 stop7h 31m
American Airlines
Mon 6/157:20 pm
MGM
-
ONT
1 stop6h 39m
American Airlines
Deal found 5/4$414
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:00 pm
ONT
-
MGM
1 stop9h 13m
Delta
Mon 6/152:49 pm
MGM
-
ONT
2 stops11h 00m
Delta
Deal found 5/1$434
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:45 am
ONT
-
MGM
1 stop8h 37m
United Airlines
Mon 8/244:55 pm
MGM
-
ONT
1 stop7h 04m
United Airlines
Deal found 4/30$438
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/1610:59 am
ONT
-
MGM
2 stops10h 46m
American Airlines
Tue 5/195:55 pm
MGM
-
ONT
1 stop6h 45m
American Airlines
Deal found 5/3$459
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Fri 6/55:45 am
ONT
-
MGM
1 stop8h 31m
United Airlines
Sun 6/74:51 pm
MGM
-
ONT
1 stop7h 04m
United Airlines
Deal found 5/3$478
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Fri 6/125:45 am
ONT
-
MGM
1 stop8h 31m
United Airlines
Mon 6/154:51 pm
MGM
-
ONT
1 stop7h 04m
United Airlines
Deal found 5/3$514

Find flight deals from Ontario to Montgomery

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Montgomery (MGM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$402
(United Airlines)

One-way from

$368
(United Airlines)

Popular in

November

Cheapest in

August

Average price

$598
Provider with most accurate pricing for Ontario-Montgomery Dannelly Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Montgomery Dannelly Field flights.
Search Deals
From Ontario to Montgomery Dannelly Field
Search Deals
One-way flight from Ontario to Montgomery Dannelly Field
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($38 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 Ontario to Montgomery 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 Ontario to Montgomery that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Thu 5/28

5:45 am-4:16 pm

1 stop8h 31m

Montgomery Dannelly Field

Sun 5/31

4:51 pm-9:55 pm

1 stop7h 04m

$402

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Sat 5/16

12:07 pm-10:54 pm

1 stop8h 47m

Montgomery Dannelly Field

Tue 5/19

2:59 pm-9:48 pm

1 stop8h 49m

$408
Quickest round-trip

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Fri 6/12

2:18 pm-11:49 pm

1 stop7h 31m

Montgomery Dannelly Field

Mon 6/15

7:20 pm-11:59 pm

1 stop6h 39m

$414

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Fri 6/12

10:00 pm-9:13 am

1 stop9h 13m

Montgomery Dannelly Field

Mon 6/15

2:49 pm-11:49 pm

2 stops11h 00m

$434

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Mon 8/17

5:45 am-4:22 pm

1 stop8h 37m

Montgomery Dannelly Field

Mon 8/24

4:55 pm-9:59 pm

1 stop7h 04m

$438

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Sat 5/16

10:59 am-11:45 pm

2 stops10h 46m

Montgomery Dannelly Field

Tue 5/19

5:55 pm-10:40 pm

1 stop6h 45m

$459

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Fri 6/12

5:45 am-4:16 pm

1 stop8h 31m

Montgomery Dannelly Field

Mon 6/15

4:51 pm-9:55 pm

1 stop7h 04m

$514
Cheapest one-way

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Sun 5/31

4:57 pm-9:15 am

2 stops14h 18m

$418
Quickest one-way

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Sat 5/16

6:00 am-4:20 pm

1 stop8h 20m

$432

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Sun 6/28

10:00 pm-9:13 am

1 stop9h 13m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Ontario to Montgomery

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Montgomery in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Montgomery, Alabama flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Montgomery, Alabama flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Montgomery, Alabama flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Montgomery, Alabama flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Montgomery, Alabama flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Montgomery

Have a flexible travel schedule? Discover the best time to fly to Montgomery from Ontario 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 Ontario to Montgomery

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

Reviews of airlines servicing Montgomery

Get insights into the airlines that provide service to Montgomery. 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 Montgomery. Reviews last updated May 5, 2026.
Read through reviews of airlines operating flights from Ontario to Montgomery, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,667 reviews

Crew

7.9

Food

6.4

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
American Airlines
7.1
Good
11,667 reviews
American Airlines
7.1
Good
11,667 reviews

Crew

7.9

Food

6.4

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

Related info for your journey

Find useful and relevant information for your journey from Ontario to Montgomery. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Montgomery, Alabama?

    For as low as $414, United Airlines can have you in Montgomery, Alabama from Ontario in 7h 31m. The distance between Ontario and Montgomery, Alabama is about 1800 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Ontario to Montgomery, Alabama round-trip?

    Cheapflights users have booked flights from Ontario to Montgomery, Alabama round-trip from $381. American Airlines is 25% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Ontario to Montgomery that include hotel bookings?

    Yes. In addition to deals on Ontario to Montgomery flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Montgomery?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Montgomery.

  • Can I find deals for business class flights from Ontario to Montgomery?

    Yes. Cheapflights offers flight deals from Ontario to Montgomery by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Montgomery?

Book flights to Montgomery if you plan to visit one of these locations
Greenville
Prattville

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Top airline flying from Ontario to Montgomery

Discover the top airline that operate flights from Ontario to Montgomery. 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$381Average$527FlexibilityNo cancel feeOn-time71%

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