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$338+ Cheap flights from Ontario to Montgomery (ONT - MGM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MGM
Aug 16 — Aug 231
Sun 8/16
Sun 8/23
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 July 17, 2026.

This United Airlines deal was found by Cheapflights users on 7/12. 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.
Sat 8/85:45 am
ONT
-
MGM
1 stop8h 31m
United Airlines
Sat 8/151:17 pm
MGM
-
ONT
1 stop6h 55m
United Airlines
Deal found 7/12$338
This American Airlines deal was found by Cheapflights users on 7/15. 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 8/86:15 am
ONT
-
MGM
2 stops14h 16m
American Airlines
Mon 8/176:14 pm
MGM
-
ONT
1 stop6h 45m
American Airlines
Deal found 7/15$378
This Delta deal was found by Cheapflights users on 7/13. 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 8/67:05 am
ONT
-
MGM
1 stop8h 43m
Delta
Wed 8/126:00 am
MGM
-
ONT
1 stop6h 42m
Delta
Deal found 7/13$396
This Delta deal was found by Cheapflights users on 7/13. 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 8/710:00 pm
ONT
-
MGM
1 stop9h 12m
Delta
Thu 8/132:42 pm
MGM
-
ONT
1 stop9h 10m
Delta
Deal found 7/13$403
This United Airlines deal was found by Cheapflights users on 7/12. 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.
Tue 8/115:00 am
ONT
-
MGM
2 stops9h 17m
United Airlines
Mon 8/174:53 pm
MGM
-
ONT
1 stop7h 06m
United Airlines
Deal found 7/12$412
This Delta deal was found by Cheapflights users on 7/14. 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 8/67:05 am
ONT
-
MGM
1 stop8h 43m
Delta
Sun 8/1612:30 pm
MGM
-
ONT
1 stop8h 00m
Delta
Deal found 7/14$414
This Delta deal was found by Cheapflights users on 7/14. 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 8/85:05 pm
ONT
-
MGM
2 stops14h 07m
Delta
Fri 8/1412:30 pm
MGM
-
ONT
1 stop8h 00m
Delta
Deal found 7/14$424
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Wed 7/152:15 pm
ONT
-
MGM
1 stop7h 30m
American Airlines
Wed 7/296:47 pm
MGM
-
ONT
1 stop7h 12m
American Airlines
Deal found 7/13$431
This American Airlines deal was found by Cheapflights users on 7/14. 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.
Thu 7/232:15 pm
ONT
-
MGM
1 stop7h 30m
American Airlines
Fri 7/316:47 pm
MGM
-
ONT
1 stop7h 12m
American Airlines
Deal found 7/14$453

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 July 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$338
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$538
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
Highest demand for flights based on searches. 11% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 17, 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 8/6

7:05 am-5:48 pm

1 stop8h 43m

Montgomery Dannelly Field

Fri 8/14

12:30 pm-6:30 pm

1 stop8h 00m

$338

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Sat 8/8

5:45 am-4:16 pm

1 stop8h 31m

Montgomery Dannelly Field

Mon 8/17

4:53 pm-9:59 pm

1 stop7h 06m

$338

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Fri 8/7

10:00 pm-9:12 am

1 stop9h 12m

Montgomery Dannelly Field

Tue 8/18

2:42 pm-7:53 pm

1 stop7h 11m

$396

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Sat 8/8

5:00 am-4:16 pm

2 stops9h 16m

Montgomery Dannelly Field

Sat 8/15

1:17 pm-6:12 pm

1 stop6h 55m

$403

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Tue 8/11

5:00 am-4:17 pm

2 stops9h 17m

Montgomery Dannelly Field

Mon 8/17

4:53 pm-9:59 pm

1 stop7h 06m

$412
Quickest round-trip

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Wed 10/21

12:43 pm-10:15 pm

1 stop7h 32m

Montgomery Dannelly Field

Sat 10/24

5:53 pm-11:52 pm

1 stop7h 59m

$454

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Thu 8/6

5:45 am-4:16 pm

1 stop8h 31m

Montgomery Dannelly Field

Wed 8/12

4:53 pm-10:59 pm

2 stops32h 06m

$537

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Thu 7/30

5:00 am-4:16 pm

2 stops9h 16m

Montgomery Dannelly Field

Thu 8/6

4:51 pm-9:55 pm

1 stop7h 04m

$574

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Sat 12/5

6:00 am-12:45 pm

1 stop28h 45m

Montgomery Dannelly Field

Wed 12/9

4:55 pm-8:20 pm

2 stops29h 25m

$634
Cheapest one-way
Quickest one-way

OntarioMontgomery

ONT - MGM

ONTMGM

Ontario

Wed 8/5

5:45 am-4:16 pm

1 stop8h 31m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 13 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 July.
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 flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Montgomery flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Montgomery flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Montgomery 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 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.

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 July 17, 2026.
Read through reviews of airlines operating flights from Ontario to Montgomery, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,474 reviews

Crew

8.5

Overall

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
7.8
Good
8,474 reviews
Delta
7.8
Good
8,474 reviews

Crew

8.5

Overall

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.1
Good
11,820 reviews
Delta
7.8
Good
8,474 reviews

Crew

8.5

Overall

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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?

    There are many flights that can get you from Ontario to Montgomery in 8h 31m. Fly via Delta or United Airlines to get the fastest option. The distance between Ontario and Montgomery 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 flying from Ontario to Montgomery round-trip?

    Our cheapest airline available from Ontario to Montgomery is American Airlines. Our recent data shows that you can find tickets from as low as $338 on this airline. An additional option worth looking into is Delta, starting at $363.

  • 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
Prattville

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Top 2 airlines flying from Ontario to Montgomery

Discover the top 2 airlines 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 July 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$338Average$598FlexibilityNo cancel feeOn-time71%
DeltaCheapest$363Average$463FlexibilityNo cancel feeOn-timeN/A

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