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

Return flights

01 Mar - 15 Mar	Air China
04 Mar - 17 Mar	Air China
11 Mar - 24 Mar	Air China
03 Mar - 19 Mar	Air China
11 Mar - 29 Apr	Air China
11 Mar - 27 Mar	Air China
07 Mar - 29 Mar	Air China
04 Mar - 18 Mar	Air China
07 Mar - 24 Mar	Air China
06 Mar - 30 Mar	Air China
04 Mar - 19 Mar	Air China
19 Mar - 16 Apr	Wizz Air UK
19 Mar - 21 Apr	Wizz Air UK
21 Mar - 04 Apr	Wizz Air UK
31 Mar - 18 Apr	Norwegian Air Sweden AOC
31 Mar - 14 Apr	Norwegian Air Sweden AOC
22 Mar - 05 Apr	Wizz Air UK
22 Mar - 06 Apr	Wizz Air UK
15 Mar - 06 Apr	Wizz Air UK
16 Mar - 25 Apr	Wizz Air UK

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 $511

Return flights