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

Return flights

04 May - 28 May	Cebu Pacific
10 May - 27 May	Scoot
10 May - 19 May	Scoot
10 May - 26 May	Scoot
02 May - 11 May	Scoot
02 May - 13 May	Scoot
02 May - 10 May	Scoot
03 May - 13 May	Scoot
10 May - 20 May	Scoot
17 May - 29 May	Scoot
08 May - 01 Jun	Turkish Airlines
17 May - 02 Jun	Turkish Airlines
22 May - 07 Jun	Scoot
29 May - 12 Jun	Turkish Airlines
29 May - 05 Jun	Turkish Airlines
01 May - 27 Jun	Scoot
23 May - 13 Jun	Scoot
29 May - 30 Jun	Turkish Airlines
12 May - 05 Jun	Scoot
15 May - 13 Jun	Scoot

Also check the deals for one-way flights from Sydney to London 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 Sydney to London in May from $988

Return flights