Cheapest one-way flights from London to Hanoi in May from $348

AirHint found the following cheapest one-way flights from London (LHR) to Hanoi (HAN) in May 2026 (see full year).

One-Way flights

24 May Shenzhen Airlines
02 May Shenzhen Airlines
01 May Shenzhen Airlines
03 May Shenzhen Airlines
18 May Shenzhen Airlines
17 May Shenzhen Airlines
13 May Shenzhen Airlines
22 May Shenzhen Airlines
23 May Shenzhen Airlines
16 May Shenzhen Airlines

Also check the deals for return 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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