Cheapest return flights from London to Hanoi in September from 436€

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

Return flights

24 Sep - 24 Oct Shenzhen Airlines
22 Sep - 10 Oct Shenzhen Airlines
22 Sep - 15 Oct Shenzhen Airlines
27 Sep - 18 Oct Shenzhen Airlines
24 Sep - 18 Oct Shenzhen Airlines
27 Sep - 16 Oct Shenzhen Airlines
28 Sep - 16 Oct Shenzhen Airlines
27 Sep - 05 Oct Shenzhen Airlines
22 Sep - 25 Sep Shenzhen Airlines
27 Sep - 23 Oct Shenzhen Airlines
27 Sep - 11 Oct Shenzhen Airlines
22 Sep - 26 Sep Shenzhen Airlines
24 Sep - 29 Sep China Southern
22 Sep - 28 Sep Shenzhen Airlines
24 Sep - 28 Sep Shenzhen Airlines
24 Sep - 30 Sep China Southern
22 Sep - 30 Sep Shenzhen Airlines
24 Sep - 27 Sep Shenzhen Airlines
23 Sep - 30 Sep China Southern
22 Sep - 29 Sep Shenzhen Airlines

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

Skyscanner

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

Feel free to contact us with any feedback or request another flight research.