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

Return flights

03 Mar - 30 Mar	Fly One
03 Mar - 23 Mar	Fly One
08 Mar - 22 Mar	Fly One
03 Mar - 31 Mar	Fly One
08 Mar - 23 Mar	Fly One
03 Mar - 15 Mar	Fly One
01 Mar - 16 Mar	Fly One
22 Mar - 30 Mar	Fly One
23 Mar - 30 Mar	Wizz Air UK
02 Mar - 13 Mar	Wizz Air UK
31 Mar - 30 Apr	Wizz Air Malta
28 Mar - 23 Apr	Wizz Air
26 Mar - 07 Apr	Wizz Air
28 Mar - 04 Apr	Wizz Air
28 Mar - 07 Apr	Wizz Air
11 Mar - 08 Apr	Wizz Air Malta
04 Mar - 01 Apr	Wizz Air
25 Mar - 01 Apr	Wizz Air
17 Mar - 04 Apr	Wizz Air Malta
23 Mar - 06 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 556€

Return flights