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

Return flights

17 Sep - 01 Oct	Wizz Air UK
26 Sep - 14 Oct	Wizz Air Malta
30 Sep - 14 Oct	Wizz Air Malta
12 Sep - 19 Sep	Wizz Air Malta
01 Sep - 19 Sep	Wizz Air Malta
05 Sep - 19 Sep	Wizz Air Malta
20 Sep - 23 Sep	Wizz Air UK
02 Sep - 14 Sep	Wizz Air Malta
13 Sep - 23 Sep	Wizz Air UK
01 Sep - 10 Sep	Wizz Air Malta
01 Sep - 15 Sep	Wizz Air Malta
06 Sep - 17 Sep	Wizz Air UK
01 Sep - 14 Sep	Wizz Air Malta
21 Sep - 05 Oct	Ryanair
27 Sep - 11 Oct	easyJet
21 Sep - 12 Oct	easyJet
19 Sep - 03 Oct	Wizz Air UK
24 Sep - 06 Oct	Wizz Air UK
18 Sep - 10 Oct	Wizz Air Malta
18 Sep - 04 Oct	Wizz Air

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 600€

Return flights