Flights Sydney — Barcelona is a popular route. The straight-line distance is 17 180 km. Flight time 20h 43m. Time difference -10h.
The minimum price for the next 3 months — from $621 (23.12.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $866, ranging from $621 to $996. Book 1–3 months in advance to get the best deals.