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

Return flights

04 Sep - 09 Sep	Wizz Air
04 Sep - 10 Sep	Wizz Air
06 Sep - 09 Sep	Wizz Air
12 Sep - 23 Sep	easyJet
07 Sep - 25 Sep	Wizz Air
06 Sep - 16 Sep	Wizz Air
03 Sep - 10 Sep	Wizz Air
04 Sep - 15 Sep	Wizz Air
10 Sep - 25 Sep	Wizz Air
10 Sep - 15 Sep	Wizz Air
28 Sep - 23 Oct	Wizz Air UK
26 Sep - 03 Oct	easyJet
23 Sep - 14 Oct	Wizz Air
23 Sep - 04 Oct	Ryanair
22 Sep - 13 Oct	easyJet
22 Sep - 01 Oct	easyJet
27 Sep - 10 Oct	Wizz Air
21 Sep - 12 Oct	Wizz Air
29 Sep - 01 Oct	easyJet
22 Sep - 04 Oct	easyJet

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.

Book a cheap hotel in Hanoi

Cheap car rent in Hanoi

Cheapest return flights from London to Hanoi in September from 614€

Return flights