Cheap Flights from Sydney (SYD) to Barcelona (BCN) from HK$4,046~

Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight from Mascot Airport to Barcelona Intl. Airport (BCN) was HK$7,517. Fares this cheap don't hang around, so book yours today. Prices and availability are subject to change. Additional terms apply.

Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Kingsford Smith Intl. Airport (SYD) to Josep Tarradellas Barcelona–El Prat Airport flights, you'll see a "no change fees" filter for you to select.

With around 17,200 kilometers separating Sydney and El Prat de Llobregat, your flight will be a long one. Pack wisely and make your journey more comfortable. Things like warm clothes and a quality travel pillow should be in your hand luggage.

If you want to fly straight from Mascot Airport to BCN, you'll need to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly between these airports.

Last-minute planners can sometimes pick up a bargain, with some super cheap airfares from Sydney Airport to Barcelona Airport emerging a few weeks before the departure date. If you'd rather book ahead, Expedia compares and updates all the best flight deals continually — as early as 12 months in advance in some cases. It does depend on the carrier though, as not every airline advertises prices so far in advance.