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Ontario

$289+ Cheap flights from Mobile to Ontario (MOB - ONT)

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
MOB — ONT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Mobile to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Mobile (MOB) to Ontario (ONT). 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 September 11, 2025.

Round-trip from

$289
(American Airlines)

Popular in

December

Cheapest in

July

Average price

$468
From Mobile to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Mobile to Ontario

Cheapest flights from Mobile to Ontario
Explore the most affordable flight options available from Mobile to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/11. 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 12/65:08 amMOB - ONT
1 stop6h 46mAmerican Airlines
Mon 12/83:04 pmONT - MOB
1 stop6h 00mAmerican Airlines
Deal found 9/11$289
This Delta deal was found by Cheapflights users on 9/11. 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 12/69:16 amMOB - ONT
2 stops14h 40mDelta
Mon 12/84:49 pmONT - MOB
2 stops13h 47mDelta
Deal found 9/11$354
This Delta deal was found by Cheapflights users on 9/11. 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 10/255:43 amMOB - ONT
1 stop6h 43mDelta
Sun 10/2610:00 pmONT - MOB
1 stop8h 33mDelta
Deal found 9/11$419
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/511:30 amMOB - ONT
1 stop11h 54mUnited Airlines
Sat 10/116:00 amONT - MOB
1 stop8h 09mUnited Airlines
Deal found 9/11$439
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/211:30 amMOB - ONT
2 stops13h 22mUnited Airlines
Mon 10/66:00 amONT - MOB
1 stop13h 48mUnited Airlines
Deal found 9/11$444
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/35:23 pmMOB - ONT
1 stop6h 01mUnited Airlines
Sun 10/56:00 amONT - MOB
1 stop27h 43mUnited Airlines
Deal found 9/9$469
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/2011:35 amMOB - ONT
2 stops13h 16mUnited Airlines
Thu 11/276:05 amONT - MOB
1 stop6h 17mUnited Airlines
Deal found 9/11$582
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/15:23 pmMOB - ONT
1 stop6h 01mUnited Airlines
Mon 10/66:00 amONT - MOB
1 stop13h 48mUnited Airlines
Deal found 9/10$584

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mobile 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 September 11, 2025.
Use the filters below to find and compare flights from Mobile to Ontario that are best for you.

Fly from

Mobile

Fly to

Ontario

Route

Depart

Return

Price

MobileOntario

MOB - ONT

MOBONT

Mobile

Sat 12/6

5:08 am-9:54 am

1 stop6h 46m

Ontario

Mon 12/8

3:04 pm-11:04 pm

1 stop6h 00m

$289

MobileOntario

MOB - ONT

MOBONT

Mobile

Thu 1/15

5:55 am-11:38 am

1 stop7h 43m

Ontario

Mon 1/19

10:30 pm-8:35 am

1 stop8h 05m

$339

MobileOntario

MOB - ONT

MOBONT

Mobile

Sat 12/6

9:16 am-9:56 pm

2 stops14h 40m

Ontario

Mon 12/8

4:49 pm-8:36 am

2 stops13h 47m

$354

MobileOntario

MOB - ONT

MOBONT

Mobile

Thu 1/15

10:44 am-10:53 pm

2 stops14h 09m

Ontario

Mon 1/19

6:00 am-4:09 pm

1 stop8h 09m

$409

MobileOntario

MOB - ONT

MOBONT

Mobile

Sat 10/25

5:43 am-10:26 am

1 stop6h 43m

Ontario

Sun 10/26

10:00 pm-8:33 am

1 stop8h 33m

$419

MobileOntario

MOB - ONT

MOBONT

Mobile

Sun 10/5

11:30 am-9:24 pm

1 stop11h 54m

Ontario

Sat 10/11

6:00 am-4:09 pm

1 stop8h 09m

$439

MobileOntario

MOB - ONT

MOBONT

Mobile

Fri 10/3

11:30 am-8:24 pm

2 stops10h 54m

Ontario

Sun 10/5

6:00 am-9:48 pm

1 stop13h 48m

$444

MobileOntario

MOB - ONT

MOBONT

Mobile

Thu 10/2

11:30 am-10:52 pm

2 stops13h 22m

Ontario

Mon 10/6

6:00 am-9:48 pm

1 stop13h 48m

$444

MobileOntario

MOB - ONT

MOBONT

Mobile

Fri 9/19

4:43 pm-10:23 pm

1 stop7h 40m

$469

MobileOntario

MOB - ONT

MOBONT

Mobile

Thu 9/18

4:43 pm-10:23 pm

1 stop7h 40m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 12 results
1
2

Best time to book a flight from Mobile to Ontario

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

What is the cheapest month to book a flight from Mobile to Ontario?

Currently, August is the cheapest month in which you can book a flight from Mobile to Ontario (average of $246). Flying from Mobile to Ontario in March is currently the most expensive (average of $328). 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.

What is the cheapest time of day to fly from MOB to ONT?

Find hourly flight availability from Mobile to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s typically best to fly out from Mobile to Ontario at noon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Delta and American Airlines from Mobile to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Mobile to Ontario. 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 Mobile to Ontario?

    Airlines like American Airlines, Delta, and United Airlines fly from Mobile to Ontario in about 6h 46m. The time it takes to get you to your destination can typically vary by up to 7h 23m. There are 1722 mi between Mobile and Ontario. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Mobile to Ontario round-trip?

    Cheapflights users have booked flights from Mobile to Ontario round-trip from $288. Another airline that can offer you cheap pricing is Delta. Users have found that American Airlines is 36% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Mobile 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 Mobile to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Mobile to Ontario (average of $246). Flying from Mobile to Ontario in March is currently the most expensive (average of $328). 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

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Top 2 airlines flying from Mobile to Ontario

Discover the top 2 airlines that operate flights from Mobile 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$468FlexibilityNo cancel feeOn-time71%
DeltaCheapest$309Average$458FlexibilityNo cancel feeOn-timeN/A

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