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

Return flights

02 May - 12 May	Wizz Air UK
02 May - 10 May	Wizz Air UK
02 May - 11 May	Wizz Air UK
17 May - 24 May	Wizz Air
26 May - 02 Jun	Ryanair
13 May - 17 May	Wizz Air UK
22 May - 01 Jun	Wizz Air
04 May - 17 May	easyJet
11 May - 17 May	easyJet
16 May - 23 May	Wizz Air UK
21 May - 01 Jun	Wizz Air
01 May - 12 May	Wizz Air UK
05 May - 12 May	Ryanair
18 May - 07 Jun	Wizz Air UK
25 May - 07 Jun	Wizz Air UK
24 May - 01 Jun	Wizz Air Malta
31 May - 10 Jun	easyJet
25 May - 08 Jun	Wizz Air
29 May - 13 Jun	Wizz Air
31 May - 15 Jun	Wizz Air

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

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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Cheapest return flights from London to Hanoi in May from $668

Return flights