Cheapest return flights from London to Hanoi in September from 791€

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

Return flights

13 Sep - 27 Sep SWISS
23 Sep - 04 Oct SWISS
23 Sep - 08 Oct SWISS
20 Sep - 27 Sep SWISS
16 Sep - 20 Sep SWISS
13 Sep - 20 Sep SWISS
08 Sep - 24 Sep SWISS
15 Sep - 29 Sep SWISS
02 Sep - 23 Sep SWISS
01 Sep - 23 Sep SWISS
23 Sep - 30 Sep SWISS
16 Sep - 23 Sep SWISS
22 Sep - 07 Oct SWISS
24 Sep - 01 Oct SWISS
30 Sep - 21 Oct British Airways
25 Sep - 11 Oct SWISS
28 Sep - 18 Oct British Airways
12 Sep - 03 Oct SWISS
19 Sep - 03 Oct SWISS
27 Sep - 19 Oct British Airways

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

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