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

Return flights

09 Apr - 30 Apr	Air China
11 Apr - 07 May	easyJet
23 Apr - 07 May	easyJet
21 Apr - 19 May	easyJet
30 Apr - 07 May	easyJet
21 Apr - 05 May	easyJet
12 Apr - 28 Apr	easyJet
12 Apr - 26 Apr	easyJet
23 Apr - 05 May	easyJet
23 Apr - 30 Apr	easyJet
14 Apr - 21 Apr	easyJet
14 Apr - 05 May	easyJet
09 Apr - 23 Apr	easyJet
14 Apr - 30 Apr	easyJet
14 Apr - 02 May	easyJet
05 Apr - 05 May	Qatar Airways
27 Apr - 05 May	Qatar Airways
22 Apr - 29 Apr	Turkish Airlines
06 Apr - 30 Apr	Qatar Airways
15 Apr - 22 Apr	Qatar Airways

Also check the deals for one-way flights from London to Sydney 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 London to Sydney in April from $821

Return flights