AirHint found the following cheapest return flights from London (STN) to Sydney (SYD) in May 2026 (see full year).

Return flights

07 May - 21 May	Ryanair
12 May - 19 May	Ryanair
13 May - 17 May	Ryanair
03 May - 15 May	Ryanair
30 May - 06 Jun	Ryanair
18 May - 08 Jun	Ryanair
15 May - 26 May	Ryanair
09 May - 23 May	Ryanair
19 May - 07 Jun	Ryanair
18 May - 24 May	Ryanair
08 May - 19 May	Turkish Airlines
01 May - 10 May	Turkish Airlines
25 May - 11 Jun	Ryanair
01 May - 24 May	Ryanair
24 May - 06 Jun	Ryanair
15 May - 26 Jun	Turkish Airlines
19 May - 04 Jun	Emirates
24 May - 14 Jun	Emirates
24 May - 16 Jun	Turkish Airlines
28 May - 18 Jun	Emirates

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

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.

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Cheapest return flights from London to Sydney in May from $1062

Return flights