Cheapest return flights from London to Hanoi in May from 794€

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

Return flights

15 May - 28 May KLM
12 May - 26 May Lufthansa
28 May - 09 Jun British Airways
19 May - 01 Jun British Airways
19 May - 09 Jun British Airways
27 May - 07 Jun British Airways
20 May - 10 Jun British Airways
20 May - 01 Jun British Airways
26 May - 06 Jun British Airways
18 May - 01 Jun British Airways
01 May - 12 May Lufthansa
18 May - 26 May Lufthansa
04 May - 31 May Lufthansa
04 May - 10 May Lufthansa
29 May - 01 Jun Air Dolomiti
27 May - 14 Jun British Airways
05 May - 26 May Lufthansa
08 May - 10 May Air Dolomiti
07 May - 26 May Lufthansa
01 May - 24 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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