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$1,636+ Cheap flights from Mobile (MOB) to Sydney (SYD)

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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
MOB — SYD
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
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Find flight deals from Mobile to Sydney

Cheapest flights from Mobile to Sydney
Explore the most affordable flight options available from Mobile to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

This United Airlines deal was found by Cheapflights users on 12/1. 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.
Mon 12/2911:40 amMOB - SYD
1 stop26h 20mUnited Airlines
Mon 1/511:20 amSYD - MOB
2 stops41h 44mUnited Airlines
Deal found 12/1$1,990

Cheap flight deals from Mobile to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Mobile (MOB) to Sydney (SYD). 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 December 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,636
(United Airlines)
Provider with most accurate pricing for Mobile-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Mobile-Sydney Kingsford Smith flights.
Search Deals
From Mobile to Sydney Kingsford Smith
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mobile to Sydney 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 December 1, 2025.
Use the filters below to find and compare flights from Mobile to Sydney that are best for you.

Fly from

Mobile

Fly to

Sydney

Route

Depart

Return

Price

MobileSydney

MOB - SYD

MOBSYD

Mobile

Wed 1/14

9:00 am-6:20 am

2 stops28h 20m

Sydney Kingsford Smith

Wed 1/21

11:50 am-4:09 pm

1 stop21h 19m

$1,636

MobileSydney

MOB - SYD

MOBSYD

Mobile

Wed 1/14

3:20 pm-6:55 am

1 stop22h 35m

Sydney Kingsford Smith

Wed 1/21

2:05 pm-10:59 pm

1 stop25h 54m

$1,696

MobileSydney

MOB - SYD

MOBSYD

Mobile

Mon 12/29

11:40 am-7:00 am

1 stop26h 20m

Sydney Kingsford Smith

Mon 1/5

11:20 am-12:04 pm

2 stops41h 44m

$1,990

MobileSydney

MOB - SYD

MOBSYD

Mobile

Wed 1/14

10:44 am-7:25 am

3 stops27h 41m

Sydney Kingsford Smith

Wed 1/21

5:45 pm-10:59 pm

2 stops22h 14m

$2,300

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

Compare providers for flights from Mobile to Sydney

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 Mobile to Sydney in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 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 Mobile-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Mobile-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Mobile-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Mobile-Sydney flights, Cheapflights users trust Expedia the most. Expedia 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-Sydney 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 Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

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

Currently, August is the cheapest month in which you can book a flight from Mobile to Sydney (average of $898). Flying from Mobile to Sydney in July is currently the most expensive (average of $1,972). 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.

Related info for your journey

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

    For as low as $1,696, United Airlines can have you in Sydney from Mobile in 22h 35m. Airlines will cover a distance of 9003 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Mobile to Sydney (average of $898). Flying from Mobile to Sydney in July is currently the most expensive (average of $1,972). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

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