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

Return flights

28 Apr - 19 May	Wizz Air Malta
21 Apr - 07 May	Wizz Air Malta
14 Apr - 23 Apr	Wizz Air Malta
07 Apr - 23 Apr	Wizz Air Malta
29 Apr - 11 May	Air China
29 Apr - 13 May	Air China
19 Apr - 08 May	Air China
18 Apr - 04 May	Air China
13 Apr - 31 May	Air China
29 Apr - 20 May	Air China
29 Apr - 24 May	Air China
27 Apr - 13 May	Air China
06 Apr - 10 Apr	Ryanair
21 Apr - 28 Apr	China Eastern
12 Apr - 28 Apr	China Eastern
15 Apr - 21 Apr	China Eastern
12 Apr - 22 Apr	China Eastern
12 Apr - 20 Apr	China Eastern
11 Apr - 19 Apr	China Eastern
07 Apr - 21 Apr	China Eastern

Also check the deals for one-way flights from London to Hanoi 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 Hanoi in April from 487€

Return flights