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

Return flights

23 Apr - 02 May	Etihad Airways
04 Apr - 19 Apr	Air China
05 Apr - 20 Apr	Air China
25 Apr - 03 May	Etihad Airways
12 Apr - 19 Apr	Ethiopian Airlines
30 Apr - 03 May	Malaysia Airlines
30 Apr - 04 May	Malaysia Airlines
27 Apr - 06 May	Cathay Pacific
26 Apr - 04 May	Emirates
26 Apr - 04 May	Vietnam Airlines	direct
05 Apr - 20 Apr	Vietnam Airlines	direct
27 Apr - 06 May	Vietnam Airlines	direct
12 Apr - 19 Apr	Vietnam Airlines	direct

Also check the deals for one-way flights from Hanoi 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 Hanoi to London in April from $786

Return flights