Cheapest return flights from Hanoi to London in May from $591

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

Return flights

17 May - 24 May China Southern
24 May - 29 May Hainan Airlines
10 May - 20 May Hainan Airlines
03 May - 25 May Hainan Airlines
03 May - 18 May Hainan Airlines
03 May - 20 May Hainan Airlines
03 May - 11 May Hainan Airlines
03 May - 29 Jun Hainan Airlines
23 May - 31 May China Southern
26 May - 02 Jun China Southern
13 May - 03 Jun China Southern
12 May - 20 May China Southern
13 May - 20 May China Southern
11 May - 24 Jun Scoot
31 May - 15 Jun Air China
31 May - 16 Jun Air China
31 May - 14 Jun Air China
31 May - 10 Jun Air China
24 May - 10 Jun Etihad Airways
27 May - 13 Jun China Southern

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