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

Return flights

03 Mar - 17 Mar	Air China
02 Mar - 13 Mar	Air China
09 Mar - 23 Mar	Air China
12 Mar - 26 Mar	Air China
03 Mar - 10 Mar	Air China
03 Mar - 18 Mar	Air China
02 Mar - 23 Mar	Air China
05 Mar - 23 Mar	Wizz Air UK
05 Mar - 14 Mar	Wizz Air UK
03 Mar - 31 Mar	Air China
27 Mar - 04 Apr	Wizz Air UK
04 Mar - 01 Apr	Norse Atlantic Airways (UK)
08 Mar - 03 Apr	Air China
06 Mar - 01 Apr	Turkish Airlines
21 Mar - 06 Apr	Air China
31 Mar - 07 Apr	Air China
22 Mar - 06 Apr	Singapore Airlines
14 Mar - 04 Apr	Air China
18 Mar - 05 Apr	Air China
19 Mar - 10 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 $628

Return flights