AirHint found the following cheapest return flights from London (LON) to Hanoi (HAN) in August 2026 (see full year).

Return flights

30 Aug - 14 Sep	Air China
31 Aug - 13 Sep	Air China
30 Aug - 06 Sep	Air China
30 Aug - 18 Sep	Air China
30 Aug - 16 Sep	Air China
29 Aug - 19 Sep	Air China
30 Aug - 20 Sep	Air China
30 Aug - 28 Sep	Air China
31 Aug - 21 Sep	Air China
26 Aug - 14 Sep	Etihad Airways
16 Aug - 30 Aug	Wizz Air UK
21 Aug - 30 Aug	Wizz Air UK
18 Aug - 28 Aug	Etihad Airways
15 Aug - 22 Aug	Wizz Air UK
15 Aug - 29 Aug	Wizz Air UK
03 Aug - 19 Aug	Wizz Air UK
06 Aug - 22 Aug	Wizz Air UK
03 Aug - 18 Aug	Air China
05 Aug - 26 Aug	Wizz Air UK
09 Aug - 29 Aug	Malaysia Airlines

Also check the deals for one-way flights from London to Hanoi in August.

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 Hanoi in August from 534€

Return flights