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Ontario

$349+ Cheap flights from Mobile to Ontario (MOB - ONT)

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
MOB — ONT
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
1 adult, Economy
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Cheap 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 March 14, 2026.

This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:15 am
MOB
-
ONT
1 stop7h 32m
Delta
Sat 4/410:25 pm
ONT
-
MOB
1 stop8h 06m
Delta
Deal found 3/9$354
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:15 am
MOB
-
ONT
1 stop7h 32m
Delta
Wed 4/1512:49 pm
ONT
-
MOB
1 stop8h 09m
Delta
Deal found 3/12$399
This United Airlines deal was found by Cheapflights users on 3/12. 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 3/317:00 am
MOB
-
ONT
2 stops13h 02m
United Airlines
Wed 4/156:05 am
ONT
-
MOB
1 stop8h 15m
United Airlines
Deal found 3/12$404
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:22 am
MOB
-
ONT
1 stop6h 47m
American Airlines
Tue 5/1911:59 pm
ONT
-
MOB
1 stop8h 07m
American Airlines
Deal found 3/9$414
This United Airlines deal was found by Cheapflights users on 3/8. 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 8/295:10 pm
MOB
-
ONT
1 stop6h 49m
United Airlines
Tue 9/15:45 am
ONT
-
MOB
1 stop8h 24m
United Airlines
Deal found 3/8$419
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:15 am
MOB
-
ONT
1 stop7h 32m
Delta
Tue 3/2410:25 pm
ONT
-
MOB
1 stop8h 06m
Delta
Deal found 3/9$424
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 5/144:55 pm
MOB
-
ONT
1 stop7h 03m
United Airlines
Tue 5/196:00 am
ONT
-
MOB
2 stops10h 05m
United Airlines
Deal found 3/9$443
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:15 am
MOB
-
ONT
1 stop7h 32m
Delta
Mon 3/2310:25 pm
ONT
-
MOB
1 stop8h 06m
Delta
Deal found 3/9$454

Find 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 March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$354
(Delta)

One-way from

$349
(United Airlines)

Popular in

November

Cheapest in

July

Average price

$512
Provider with most accurate pricing for Mobile-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Mobile-Ontario flights.
Search Deals
From Mobile to Ontario
Search Deals
One-way flight from Mobile to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 14, 2026.
Use the filters below to find and compare flights from Mobile to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MobileOntario

MOB - ONT

MOBONT

Mobile

Tue 3/31

7:00 am-6:02 pm

2 stops13h 02m

Ontario

Wed 4/15

6:05 am-4:20 pm

1 stop8h 15m

$404
Quickest round-trip

MobileOntario

MOB - ONT

MOBONT

Mobile

Sat 8/29

9:30 am-6:11 pm

2 stops10h 41m

Ontario

Tue 9/1

5:45 am-4:09 pm

1 stop8h 24m

$424

MobileOntario

MOB - ONT

MOBONT

Mobile

Fri 4/10

11:15 am-10:45 pm

2 stops13h 30m

Ontario

Tue 4/14

6:05 am-4:20 pm

1 stop8h 15m

$574

MobileOntario

MOB - ONT

MOBONT

Mobile

Sat 6/13

11:00 am-10:50 pm

2 stops13h 50m

Ontario

Sat 6/20

5:45 am-4:19 pm

1 stop8h 34m

$603

MobileOntario

MOB - ONT

MOBONT

Mobile

Wed 6/3

11:00 am-9:55 pm

1 stop12h 55m

Ontario

Sun 6/7

5:45 am-4:19 pm

1 stop8h 34m

$623
Cheapest one-way
Quickest one-way

MobileOntario

MOB - ONT

MOBONT

Mobile

Wed 5/13

4:55 pm-9:58 pm

1 stop7h 03m

$349

MobileOntario

MOB - ONT

MOBONT

Mobile

Thu 6/18

4:15 pm-10:09 pm

1 stop7h 54m

$400

MobileOntario

MOB - ONT

MOBONT

Mobile

Sun 6/7

9:00 am-9:55 pm

1 stop14h 55m

$443

MobileOntario

MOB - ONT

MOBONT

Mobile

Mon 4/6

9:00 am-9:50 pm

1 stop14h 50m

$458

MobileOntario

MOB - ONT

MOBONT

Mobile

Sun 4/26

7:00 am-9:50 pm

1 stop16h 50m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 12 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Mobile-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Mobile-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Mobile-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Mobile-Ontario 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 Mobile-Ontario 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 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, November is the cheapest month in which you can book a flight from Mobile to Ontario (average of $103). Flying from Mobile to Ontario in December is currently the most expensive (average of $288). 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.

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 March 14, 2026.
Read reviews from past customers who have flown 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.
American Airlines
7.1
Good
11,464 reviews

Entertainment

6.9

Overall

7.1

Food

6.4

Comfort

7.2

Crew

7.9

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,464 reviews
American Airlines
7.1
Good
11,464 reviews

Entertainment

6.9

Overall

7.1

Food

6.4

Comfort

7.2

Crew

7.9

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 United Airlines fly from Mobile to Ontario in about 13h 02m. The time it takes to get you to your destination can typically vary by up to . There are 1722 mi between Mobile and Ontario.

  • What is the cheapest airline to fly from Mobile to Ontario round-trip?

    Cheapflights users have booked flights from Mobile to Ontario round-trip from $288. Users have found that American Airlines is 39% 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, November is the cheapest month in which you can book a flight from Mobile to Ontario (average of $103). Flying from Mobile to Ontario in December is currently the most expensive (average of $288). 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 airline flying from Mobile to Ontario

Discover the top airline 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 March 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$492FlexibilityNo cancel feeOn-time71%

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