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

Return flights

30 Mar - 13 Apr	China Southern
15 Mar - 06 Apr	HK Express
13 Mar - 04 Apr	Air China
02 Mar - 08 Mar	China Eastern
25 Mar - 08 Apr	Air China
13 Mar - 16 Mar	Air China
16 Mar - 29 Mar	China Southern
15 Mar - 29 Mar	China Eastern
13 Mar - 25 Mar	HK Express
06 Mar - 27 Mar	China Eastern
01 Mar - 15 Mar	Singapore Airlines
11 Mar - 22 Mar	Vietnam Airlines
11 Mar - 25 Mar	Emirates

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

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 March from 496€

Return flights