Cheapest one-way flights from London to Hanoi in September from 381€

Best time to book flights for London (LHR) to Hanoi (HAN) flights at AirHint

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

One-Way flights

03 Sep Shenzhen Airlines
07 Sep Shenzhen Airlines
01 Sep Shenzhen Airlines
12 Sep Shenzhen Airlines
14 Sep Shenzhen Airlines
10 Sep Shenzhen Airlines
30 Sep British Airways
23 Sep Aegean Airlines
02 Sep Aegean Airlines
04 Sep Scandinavian Airlines

Also check the deals for return 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