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

Return flights

21 Apr - 19 May	Scoot
15 Apr - 07 May	Scoot
27 Apr - 27 May	Scoot
10 Apr - 26 Apr	Scoot
28 Apr - 31 May	Air China
06 Apr - 17 Apr	Scoot
01 Apr - 21 Apr	AirAsia X
17 Apr - 12 May	Scoot
04 Apr - 17 Apr	Scoot
02 Apr - 24 Apr	Scoot
20 Apr - 09 May	Scoot
02 Apr - 12 Apr	Scoot
13 Apr - 04 May	China Southern
01 Apr - 11 Apr	AirAsia X
01 Apr - 17 Apr	China Eastern
04 Apr - 12 Apr	Scoot
21 Apr - 06 May	Virgin Australia
30 Apr - 23 May	Qatar Airways
02 Apr - 18 Apr	Scoot
17 Apr - 02 May	Virgin Australia

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

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 April from 757€

Return flights