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Ontario

$309+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
MOB — ONT
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This Delta deal was found by Cheapflights users on 1/25. 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 4/306:00 am
MOB
-
ONT
1 stop7h 36m
Delta
Sun 5/310:15 pm
ONT
-
MOB
1 stop8h 17m
Delta
Deal found 1/25$309
This Delta deal was found by Cheapflights users on 1/26. 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 7/3012:10 pm
MOB
-
ONT
1 stop7h 51m
Delta
Fri 8/710:59 pm
ONT
-
MOB
1 stop7h 25m
Delta
Deal found 1/26$334
This Delta deal was found by Cheapflights users on 1/26. 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 2/106:00 am
MOB
-
ONT
1 stop7h 31m
Delta
Sat 2/1410:20 pm
ONT
-
MOB
1 stop8h 07m
Delta
Deal found 1/26$359
This American Airlines deal was found by Cheapflights users on 1/25. 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 2/197:22 pm
MOB
-
ONT
1 stop6h 37m
American Airlines
Wed 2/252:39 pm
ONT
-
MOB
1 stop6h 31m
American Airlines
Deal found 1/25$413
This American Airlines deal was found by Cheapflights users on 1/25. 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 2/185:23 am
MOB
-
ONT
1 stop6h 43m
American Airlines
Wed 3/47:00 am
ONT
-
MOB
1 stop8h 14m
American Airlines
Deal found 1/25$424
This American Airlines deal was found by Cheapflights users on 1/25. 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 3/265:22 am
MOB
-
ONT
1 stop6h 44m
American Airlines
Thu 4/27:59 pm
ONT
-
MOB
2 stops12h 16m
American Airlines
Deal found 1/25$428
This Delta deal was found by Cheapflights users on 1/27. 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.
Wed 6/104:15 pm
MOB
-
ONT
1 stop7h 54m
Delta
Tue 6/165:05 pm
ONT
-
MOB
2 stops13h 25m
Delta
Deal found 1/27$429
This Delta deal was found by Cheapflights users on 1/25. 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.
Wed 2/46:00 am
MOB
-
ONT
1 stop7h 31m
Delta
Sat 2/712:41 pm
ONT
-
MOB
1 stop8h 02m
Delta
Deal found 1/25$449
This United Airlines deal was found by Cheapflights users on 1/25. 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 2/44:50 pm
MOB
-
ONT
1 stop7h 09m
United Airlines
Sat 2/76:00 am
ONT
-
MOB
1 stop8h 09m
United Airlines
Deal found 1/25$468

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Delta)

Popular in

November

Cheapest in

March

Average price

$492
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
Highest demand for flights based on searches. 16% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 27, 2026.
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

Thu 4/30

6:00 am-11:36 am

1 stop7h 36m

Ontario

Sun 5/3

10:15 pm-8:32 am

1 stop8h 17m

$309

MobileOntario

MOB - ONT

MOBONT

Mobile

Thu 3/26

7:22 pm-11:59 pm

1 stop6h 37m

Ontario

Thu 4/2

11:58 pm-10:15 am

1 stop8h 17m

$359

MobileOntario

MOB - ONT

MOBONT

Mobile

Tue 2/10

6:00 am-11:31 am

1 stop7h 31m

Ontario

Sat 2/14

10:20 pm-8:27 am

1 stop8h 07m

$359

MobileOntario

MOB - ONT

MOBONT

Mobile

Thu 2/19

7:22 pm-11:59 pm

1 stop6h 37m

Ontario

Wed 2/25

2:39 pm-11:10 pm

1 stop6h 31m

$413

MobileOntario

MOB - ONT

MOBONT

Mobile

Wed 2/18

5:23 am-10:06 am

1 stop6h 43m

Ontario

Wed 3/4

7:00 am-5:14 pm

1 stop8h 14m

$424

MobileOntario

MOB - ONT

MOBONT

Mobile

Wed 6/10

4:15 pm-10:09 pm

1 stop7h 54m

Ontario

Tue 6/16

5:05 pm-8:30 am

2 stops13h 25m

$429

MobileOntario

MOB - ONT

MOBONT

Mobile

Thu 3/19

10:34 am-10:57 pm

2 stops14h 23m

Ontario

Tue 3/24

6:00 am-4:08 pm

1 stop8h 08m

$474

MobileOntario

MOB - ONT

MOBONT

Mobile

Tue 2/10

4:50 pm-9:59 pm

1 stop7h 09m

Ontario

Sat 2/14

6:00 am-4:13 pm

1 stop8h 13m

$494

MobileOntario

MOB - ONT

MOBONT

Mobile

Thu 5/14

4:55 pm-9:58 pm

1 stop7h 03m

$399

MobileOntario

MOB - ONT

MOBONT

Mobile

Thu 4/23

4:55 pm-9:50 pm

1 stop6h 55m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 16 results
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 January 27, 2026.
Read reviews from past customers who have flown United Airlines 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.
United Airlines
7.4
Good
9,205 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,205 reviews
United Airlines
7.4
Good
9,205 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
11,197 reviews
United Airlines
7.4
Good
9,205 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 Delta and American Airlines fly from Mobile to Ontario in about 6h 37m. The time it takes to get you to your destination can typically vary by up to 59m. 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 United Airlines. Users have found that American Airlines is 35% 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 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$477FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$434Average$459FlexibilityNo cancel feeOn-time69%

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