Cheapest one-way flights from Sydney to London in April from $367

AirHint found the following cheapest one-way flights from Sydney (SYD) to London (LHR) in April 2026 (see full year).

One-Way flights

02 Apr Hainan Airlines
09 Apr Hainan Airlines
16 Apr Hainan Airlines
26 Apr AirAsia X
30 Apr Hainan Airlines
07 Apr Hainan Airlines
27 Apr AirAsia X
28 Apr Hainan Airlines
21 Apr Hainan Airlines
25 Apr AirAsia X

Also check the deals for return flights from Sydney to London in April.

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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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