$912 Cheap Flights from Sofia (SOF) to Sydney (SYD)

View $912 flight on Tue, Apr 21, 2026Opens in a new window

Popular airlines from Sofia Airport (SOF) to Sydney Airport (SYD)

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Cheap Flights from Sofia to Sydney (SOF-SYD)

Prices were available within the past 7 days and start at $912 for one-way flights and $1,243 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

flydubai
Wed, Jul 1 - Fri, Jul 17
SOF
Sofia
SYD
Sydney
$1,243 Roundtrip, found 6 days ago
$1,243
Roundtrip
found 6 days ago
Select flydubai flight, departing Wed, Jul 1 from Sofia to Sydney, returning Fri, Jul 17, priced at $1,243 found 6 days ago
flydubai
Tue, Nov 17 - Mon, Dec 7
SOF
Sofia
SYD
Sydney
$1,417 Roundtrip, found 5 days ago
$1,417
Roundtrip
found 5 days ago
Select flydubai flight, departing Tue, Nov 17 from Sofia to Sydney, returning Mon, Dec 7, priced at $1,417 found 5 days ago
Turkish Airlines
Tue, Nov 17 - Mon, Dec 7
SOF
Sofia
SYD
Sydney
$1,525 Roundtrip, found 5 days ago
$1,525
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Tue, Nov 17 from Sofia to Sydney, returning Mon, Dec 7, priced at $1,525 found 5 days ago
Lufthansa
Tue, Sep 1 - Tue, Sep 15
SOF
Sofia
SYD
Sydney
$1,538 Roundtrip, found 11 hours ago
$1,538
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Tue, Sep 1 from Sofia to Sydney, returning Tue, Sep 15, priced at $1,538 found 11 hours ago
Lufthansa
Tue, Nov 17 - Mon, Dec 7
SOF
Sofia
SYD
Sydney
$1,541 Roundtrip, found 5 days ago
$1,541
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Nov 17 from Sofia to Sydney, returning Mon, Dec 7, priced at $1,541 found 5 days ago
Turkish Airlines
Tue, Nov 17 - Mon, Dec 7
SOF
Sofia
SYD
Sydney
$1,552 Roundtrip, found 5 days ago
$1,552
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Tue, Nov 17 from Sofia to Sydney, returning Mon, Dec 7, priced at $1,552 found 5 days ago
Lufthansa
Tue, Nov 17 - Mon, Dec 7
SOF
Sofia
SYD
Sydney
$1,562 Roundtrip, found 5 days ago
$1,562
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Nov 17 from Sofia to Sydney, returning Mon, Dec 7, priced at $1,562 found 5 days ago
Austrian Airlines
Wed, Jul 1 - Fri, Jul 17
SOF
Sofia
SYD
Sydney
$1,574 Roundtrip, found 6 days ago
$1,574
Roundtrip
found 6 days ago
Select Austrian Airlines flight, departing Wed, Jul 1 from Sofia to Sydney, returning Fri, Jul 17, priced at $1,574 found 6 days ago
Austrian Airlines
Tue, Nov 17 - Mon, Dec 7
SOF
Sofia
SYD
Sydney
$1,599 Roundtrip, found 5 days ago
$1,599
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Tue, Nov 17 from Sofia to Sydney, returning Mon, Dec 7, priced at $1,599 found 5 days ago
Etihad Airways
Mon, Mar 23 - Mon, Mar 30
SOF
Sofia
SYD
Sydney
$1,727 Roundtrip, found 2 days ago
$1,727
Roundtrip
found 2 days ago
Select Etihad Airways flight, departing Mon, Mar 23 from Sofia to Sydney, returning Mon, Mar 30, priced at $1,727 found 2 days ago

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Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $2,257
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city center16 min
Flights from $2,257

Frequently asked questions

How much does a flight from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.) cost?
You can find cheap one-way flights from $912 and cheap return flights from $1,243 Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.) with Expedia. Roundtrip flights usually range from $2045 to $9463. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The cheapest month to fly from SOF to SYD is July when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Enter SOF to SYD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
KLM is one of the cheapest airlines offering connecting flights from Sofia (SOF) to Kingsford Smith Intl. (SYD) with a layover in Schiphol (AMS), starting from around $1,695. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
To find a cheap flight from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from SOF to SYD. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
a Sunday typically has the most flights from (SOF) to Kingsford Smith Intl. (SYD), with approximately 22 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Bulgaria Air, Lufthansa, and Turkish Airlines.
What are the most popular departure times for flights from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The most popular departure times for flights from Sofia (SOF) to Sydney (SYD-Kingsford Smith Intl.) are in the late evening, from 9pm to midnight. This accounts for about 29% of total traffic. Many major carriers, including Turkish Airlines and Qatar Airways, offer flights during this window. This timing is popular as it allows travelers to maximize their day in Sofia before heading to the airport.
How long does it take to fly from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Flights from SOF to SYD with one stop typically take around 21 hours 20 minutes, covering approximately 9,588 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Select the "Business class" and "First class" filters when looking for SOF to SYD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight with Expedia?
It's easy to earn miles on a Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sydney from SOF (SOF)?
If you're planning to travel to Sydney from SOF (SOF), you can fly into Kingsford Smith Intl. (SYD) Some flights may connect through major hubs like Frankfurt Intl. (FRA), Istanbul Airport (IST), Schiphol (AMS) before reaching Sydney. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.) at the last minute?
Typically, booking a last minute flight from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight and hotel package?
Securing a Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.) Sydney Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
If you booked your Sofia (SOF) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sofia
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Serbia, British Airways, Cathay Pacific, Etihad Airways, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines
Roundtrip price
$1,242
Distance
9587 mi

Book with confidence

Sofia to Sydney Flights

The cheapest times to fly from Sofia to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sofia to Sydney are during the month of July. You can find some of the cheapest flights from Sofia to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sofia to Sydney

Sunday is one of the best days to book for cheap flights from Sofia to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sofia to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sofia to Sydney in 2026. You can also book with separate airlines for your outbound and return journeys, from $912 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sofia to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sofia to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sofia to Sydney Flights

*Flight schedules are subject to change.

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*Available to One Key members.