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

Return flights

01 Oct - 15 Oct	Wizz Air
01 Oct - 19 Oct	Wizz Air
27 Oct - 09 Nov	Ryanair
01 Oct - 12 Oct	Wizz Air
31 Oct - 14 Nov	Wizz Air
01 Oct - 13 Oct	Wizz Air
01 Oct - 02 Nov	Wizz Air
01 Oct - 14 Oct	Wizz Air
16 Oct - 23 Oct	Ryanair
27 Oct - 06 Nov	Wizz Air UK
29 Oct - 12 Nov	Wizz Air Malta
26 Oct - 09 Nov	Wizz Air Malta
16 Oct - 02 Nov	Ryanair
27 Oct - 03 Nov	Ryanair
16 Oct - 04 Nov	Ryanair
16 Oct - 13 Nov	Ryanair
02 Oct - 18 Oct	Wizz Air
16 Oct - 22 Oct	Ryanair
05 Oct - 19 Oct	easyJet
03 Oct - 16 Oct	easyJet

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

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 October from 548€

Return flights