Cheapest return flights from London to Sydney in May from $696

Best time to book flights for London (LON) to Sydney (SYD) flights at AirHint

AirHint found the following cheapest return flights from London (LON) to Sydney (SYD) in May 2025 (see full year).

Return flights

14 May - 21 May China Eastern
05 May - 02 Jun China Eastern
05 May - 21 May China Eastern
05 May - 20 May China Eastern
19 May - 09 Jun China Eastern
08 May - 05 Jun China Eastern
06 May - 20 May China Eastern
07 May - 21 May China Eastern
08 May - 20 May China Eastern
06 May - 03 Jun China Eastern
20 May - 02 Jun China Eastern
12 May - 11 Jun China Eastern
22 May - 03 Jun China Eastern
24 May - 04 Jun China Eastern
15 May - 05 Jun China Eastern
20 May - 03 Jun China Eastern
07 May - 19 May China Eastern
08 May - 15 May China Eastern
06 May - 21 May China Eastern
07 May - 20 May China Eastern

Also check the deals for one-way flights from London to Sydney in May.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Sydney

Cheap car rent in Sydney