Cheapest return flights from London to Hanoi in May from 774€

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

Return flights

14 May - 31 May KLM
18 May - 24 May KLM
12 May - 02 Jun KLM
06 May - 24 May KLM
28 May - 07 Jun SWISS
11 May - 18 May SWISS
07 May - 10 May KLM
28 May - 11 Jun KLM
18 May - 17 Jun SWISS
19 May - 02 Jun KLM
10 May - 31 May KLM
16 May - 23 May SWISS
25 May - 11 Jun SWISS
18 May - 01 Jun SWISS
22 May - 22 Jun KLM
25 May - 07 Jun SWISS
12 May - 27 May SWISS
20 May - 20 Jun SWISS
11 May - 25 May SWISS
21 May - 27 May KLM

Also check the deals for one-way flights from London to Hanoi in May.

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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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