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

Return flights

19 Mar - 07 Apr	Air China
06 Mar - 22 Mar	VietJet Air
19 Mar - 26 Mar	Air China
20 Mar - 27 Mar	VietJet Air
06 Mar - 20 Mar	Air China
06 Mar - 27 Mar	China Southern
31 Mar - 06 Apr	China Southern
13 Mar - 21 Mar	China Southern
30 Mar - 05 Apr	China Southern
30 Mar - 05 Apr	Vietnam Airlines	direct
06 Mar - 22 Mar	Vietnam Airlines	direct
20 Mar - 27 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 597€

Return flights