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

Return flights

08 Mar - 18 Mar	China Southern
29 Mar - 13 Apr	China Southern
27 Mar - 27 Apr	China Southern
01 Mar - 18 Mar	HK Express
09 Mar - 19 Mar	China Southern
12 Mar - 05 Apr	Air China
13 Mar - 06 Apr	Air China
22 Mar - 05 Apr	Air China
27 Mar - 03 Apr	Air China
27 Mar - 27 Apr	Vietnam Airlines	direct
13 Mar - 06 Apr	Vietnam Airlines	direct
29 Mar - 13 Apr	Vietnam Airlines	direct
29 Mar - 05 Apr	Vietnam Airlines	direct
01 Mar - 18 Mar	Vietnam Airlines	direct
08 Mar - 18 Mar	Vietnam Airlines	direct

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 $661

Return flights