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

Return flights

09 Mar - 17 Mar	Wizz Air
03 Mar - 10 Mar	Air China
03 Mar - 11 Mar	Air China
09 Mar - 16 Mar	Air China
01 Mar - 26 Mar	Air China
01 Mar - 01 Apr	Air China
03 Mar - 17 Mar	Air China
03 Mar - 13 Mar	Air China
09 Mar - 18 Mar	Air China
11 Mar - 21 Mar	Air China
04 Mar - 12 Mar	Air China
12 Mar - 07 Apr	Air China
11 Mar - 01 Apr	Air China
06 Mar - 07 Apr	Air China
18 Mar - 01 Apr	Norse Atlantic Airways (UK)
22 Mar - 09 Apr	Wizz Air UK
04 Mar - 05 Apr	Air China
06 Mar - 06 Apr	Air China
11 Mar - 23 Apr	Air China
13 Mar - 08 Apr	Air China

Also check the deals for one-way flights from London to Hanoi 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 London to Hanoi in March from $572

Return flights