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

Return flights

16 May - 31 May	Air China
10 May - 24 May	Air China
25 May - 15 Jun	Singapore Airlines
14 May - 04 Jun	Air China
26 May - 26 Jun	Air China
05 May - 02 Jun	Scoot
12 May - 19 May	Scoot
02 May - 30 May	Scoot
14 May - 05 Jun	Air China
07 May - 28 May	Scoot
12 May - 26 May	Scoot
26 May - 12 Jun	Turkish Airlines
05 May - 11 May	Singapore Airlines
22 May - 07 Jun	Turkish Airlines
21 May - 24 Jun	Turkish Airlines
06 May - 17 May	Singapore Airlines
11 May - 24 May	Singapore Airlines
06 May - 30 May	Singapore Airlines
25 May - 11 Jun	Singapore Airlines
04 May - 06 Jun	Singapore Airlines

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 $936

Return flights