Cheapest return flights from London to Hanoi in May from 456€

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

Return flights

06 May - 13 May China Eastern
27 May - 10 Jun China Eastern
06 May - 11 May China Eastern
11 May - 17 May China Eastern
11 May - 18 May China Eastern
06 May - 18 May China Eastern
06 May - 10 Jun China Eastern
06 May - 12 May China Eastern
06 May - 17 May China Eastern
19 May - 16 Jun Air China
06 May - 14 May Hainan Airlines
06 May - 24 May Hainan Airlines
01 May - 07 May Hainan Airlines
06 May - 07 Jun Hainan Airlines
20 May - 18 Jun Hainan Airlines
29 May - 14 Jun Hainan Airlines
29 May - 07 Jun Hainan Airlines
29 May - 18 Jun Hainan Airlines
20 May - 14 Jun Hainan Airlines
20 May - 07 Jun Hainan Airlines

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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