$832 Cheap Flights from Basel (BSL) to Sydney (SYD)

View $832 flight on Wed, Oct 15, 2025Opens in a new window

Popular airlines from EuroAirport Airport (BSL) to Sydney Airport (SYD)

Cheap Flights from Basel to Sydney (BSL-SYD)

Prices were available within the past 7 days and start at $832 for one-way flights and $2,354 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Thu, Dec 18 - Thu, Jan 8
BSL
Basel
SYD
Sydney
$2,354 Roundtrip, found 5 days ago
$2,354
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Dec 18 from Basel to Sydney, returning Thu, Jan 8, priced at $2,354 found 5 days ago
British Airways
Thu, Dec 18 - Thu, Jan 8
BSL
Basel
SYD
Sydney
$2,437 Roundtrip, found 5 days ago
$2,437
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Dec 18 from Basel to Sydney, returning Thu, Jan 8, priced at $2,437 found 5 days ago
British Airways
Thu, Dec 18 - Thu, Jan 8
BSL
Basel
SYD
Sydney
$2,692 Roundtrip, found 5 days ago
$2,692
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Dec 18 from Basel to Sydney, returning Thu, Jan 8, priced at $2,692 found 5 days ago
British Airways
Thu, Dec 18 - Thu, Jan 8
BSL
Basel
SYD
Sydney
$2,785 Roundtrip, found 5 days ago
$2,785
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Dec 18 from Basel to Sydney, returning Thu, Jan 8, priced at $2,785 found 5 days ago
British Airways
Thu, Dec 18 - Thu, Jan 8
BSL
Basel
SYD
Sydney
$2,834 Roundtrip, found 5 days ago
$2,834
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Dec 18 from Basel to Sydney, returning Thu, Jan 8, priced at $2,834 found 5 days ago
British Airways
Thu, Dec 18 - Thu, Jan 8
BSL
Basel
SYD
Sydney
$2,854 Roundtrip, found 5 days ago
$2,854
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Dec 18 from Basel to Sydney, returning Thu, Jan 8, priced at $2,854 found 5 days ago
British Airways
Thu, Dec 18 - Thu, Jan 8
BSL
Basel
SYD
Sydney
$2,884 Roundtrip, found 5 days ago
$2,884
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Dec 18 from Basel to Sydney, returning Thu, Jan 8, priced at $2,884 found 5 days ago
British Airways
Thu, Dec 18 - Thu, Jan 8
BSL
Basel
SYD
Sydney
$2,885 Roundtrip, found 5 days ago
$2,885
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Dec 18 from Basel to Sydney, returning Thu, Jan 8, priced at $2,885 found 5 days ago
British Airways
Thu, Dec 18 - Thu, Jan 8
BSL
Basel
SYD
Sydney
$2,937 Roundtrip, found 5 days ago
$2,937
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Dec 18 from Basel to Sydney, returning Thu, Jan 8, priced at $2,937 found 5 days ago
British Airways
Thu, Dec 18 - Thu, Jan 8
BSL
Basel
SYD
Sydney
$2,938 Roundtrip, found 5 days ago
$2,938
Roundtrip
found 5 days ago
Select British Airways flight, departing Thu, Dec 18 from Basel to Sydney, returning Thu, Jan 8, priced at $2,938 found 5 days ago
Flights from Basel (BSL) to Sydney (SYD)
Origin airport
EuroAirport
Destination airport
Kingsford Smith Intl.
Roundtrip price
$2,354
Distance
10337 mi

Basel to Sydney Flights

The cheapest times to fly from Basel 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 Basel to Sydney are during the month of December. You can find some of the cheapest flights from Basel to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Basel to Sydney

Sunday is one of the best days to book for cheap flights from Basel 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 Basel 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 Basel to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $832 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 Basel 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 Basel 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.

 

Frequently asked questions

How much does a flight from EuroAirport Airport (BSL) to Kingsford Smith Intl. Airport (SYD) cost?
Snag a cheap one-way flight from $832 or cheap return flight from $2,354 from EuroAirport Airport (BSL) to Kingsford Smith Intl. Airport (SYD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from EuroAirport Airport (BSL) to Kingsford Smith Intl. Airport (SYD)?
The cheapest month to fly from BSL to SYD is December, when demand is low. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from EuroAirport Airport (BSL) to Kingsford Smith Intl. Airport (SYD)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from BSL to SYD. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from EuroAirport Airport (BSL) to Kingsford Smith Intl. Airport (SYD)?
Direct flights from EuroAirport Airport (BSL) to Kingsford Smith Intl. Airport (SYD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BSL to SYD?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from EuroAirport Airport (BSL) to Kingsford Smith Intl. Airport (SYD)?
To avoid possible delays on the EuroAirport Airport (BSL) to Kingsford Smith Intl. Airport (SYD) route, aim to travel before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from EuroAirport Airport (BSL) to Kingsford Smith Intl. Airport (SYD) last-minute?
Waiting until right before your break to book your flight from BSL to SYD often results in higher prices. Although you may find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible to boost your chances of getting a bargain.
Is it cheaper to book a BSL to SYD flight and hotel package?
Compared with arranging flights and hotels separately, booking a BSL to SYD flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the hassle out of travel planning. Just secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from EuroAirport Airport (BSL) to Kingsford Smith Intl. Airport (SYD)?
Typically, it's possible to reschedule or cancel your BSL to SYD flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.