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

Return flights

21 Sep - 27 Sep	Pegasus Airlines
20 Sep - 04 Oct	Pegasus Airlines
24 Sep - 06 Oct	Pegasus Airlines
11 Sep - 24 Sep	Ryanair
11 Sep - 21 Sep	Ryanair
01 Sep - 10 Sep	Pegasus Airlines
18 Sep - 02 Oct	Ryanair
02 Sep - 09 Sep	Ryanair
02 Sep - 13 Sep	Pegasus Airlines
05 Sep - 19 Sep	Ryanair
19 Sep - 03 Oct	Ryanair
14 Sep - 27 Sep	Ryanair
01 Sep - 08 Sep	Ryanair
11 Sep - 25 Sep	Ryanair
17 Sep - 01 Oct	Emirates
20 Sep - 12 Oct	Emirates
30 Sep - 14 Oct	Emirates
07 Sep - 07 Oct	Emirates
26 Sep - 14 Oct	Emirates
27 Sep - 04 Oct	Emirates

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 629€

Return flights