Cheapest return flights from Hanoi to London in May from $711

Best time to book flights for Hanoi (HAN) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Hanoi (HAN) to London (LHR) in May 2025 (see full year).

Return flights

21 May - 26 May China Southern
26 May - 02 Jun Air China
14 May - 28 May Air China
12 May - 19 May Air China
13 May - 27 May China Southern
18 May - 04 Jun Air China
06 May - 13 May VietJet Air
18 May - 25 May China Southern
19 May - 25 May China Southern
21 May - 01 Jun Air China
15 May - 01 Jun Air China
24 May - 01 Jun Air China
18 May - 18 May China Eastern
25 May - 02 Jun China Southern
16 May - 26 May Qatar Airways
17 May - 30 May Emirates
25 May - 01 Jun Emirates
12 May - 12 Jun Emirates
26 May - 02 Jun Vietnam Airlines direct
18 May - 04 Jun Vietnam Airlines direct

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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