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

Return flights

13 Sep - 24 Sep	Pegasus Airlines
14 Sep - 30 Sep	Pegasus Airlines
27 Sep - 05 Oct	Pegasus Airlines
17 Sep - 30 Sep	Ryanair
27 Sep - 12 Oct	Pegasus Airlines
13 Sep - 27 Sep	Pegasus Airlines
16 Sep - 21 Sep	Ryanair
27 Sep - 11 Oct	Pegasus Airlines
02 Sep - 16 Sep	Ryanair
12 Sep - 27 Sep	Pegasus Airlines
12 Sep - 26 Sep	Ryanair
28 Sep - 11 Oct	Ryanair
16 Sep - 27 Sep	Ryanair
07 Sep - 27 Sep	Ryanair
28 Sep - 07 Oct	Emirates
21 Sep - 12 Oct	Emirates
24 Sep - 09 Oct	Emirates
30 Sep - 16 Oct	Emirates
26 Sep - 07 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 604€

Return flights