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

Return flights

26 May - 08 Jun	China Southern
24 May - 11 Jun	China Southern
26 May - 11 Jun	China Southern
28 May - 18 Jun	China Southern
02 May - 09 May	Scoot
02 May - 14 May	Scoot
14 May - 30 May	Scoot
12 May - 19 May	Scoot
21 May - 28 May	Scoot
14 May - 29 May	China Southern
20 May - 29 May	China Southern
14 May - 22 May	China Southern
21 May - 15 Jun	China Southern
20 May - 04 Jun	China Southern
21 May - 11 Jun	China Southern
21 May - 18 Jun	China Southern
21 May - 04 Jun	China Southern
21 May - 08 Jun	China Southern
09 May - 16 May	Scoot
06 May - 18 May	Turkish 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 $897

Return flights