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

Return flights

30 Sep - 12 Oct	Wizz Air
30 Sep - 11 Oct	Wizz Air
08 Sep - 22 Sep	Wizz Air Malta
19 Sep - 01 Oct	Wizz Air Malta
26 Sep - 06 Oct	Wizz Air UK
26 Sep - 10 Oct	Wizz Air Malta
09 Sep - 14 Sep	Wizz Air
02 Sep - 14 Sep	Wizz Air
15 Sep - 29 Sep	Ryanair
01 Sep - 21 Sep	Wizz Air
01 Sep - 15 Sep	Wizz Air
02 Sep - 23 Sep	Wizz Air
01 Sep - 10 Sep	Wizz Air
06 Sep - 27 Sep	Wizz Air UK
06 Sep - 13 Sep	Wizz Air UK
18 Sep - 02 Oct	Ryanair

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

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 September from 603€

Return flights