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

Return flights

02 Mar - 16 Mar	HK Express
15 Mar - 18 Mar	China Southern
03 Mar - 10 Mar	China Southern
04 Mar - 11 Mar	China Southern
06 Mar - 16 Mar	China Southern
16 Mar - 30 Mar	Air China
27 Mar - 03 Apr	China Southern
09 Mar - 22 Mar	China Southern
15 Mar - 30 Mar	Air China
01 Mar - 06 Mar	China Southern
06 Mar - 27 Mar	VietJet Air

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 524€

Return flights