Cheapest return LHR–GVA flights, September

AirHint found the following cheapest return flights from London (LHR) to Geneva (GVA) in September 2026 (see full year).

Return flights

01 Sep - 29 Sep SWISS direct
02 Sep - 16 Sep SWISS direct
05 Sep - 12 Sep SWISS direct
25 Sep - 26 Sep SWISS direct
25 Sep - 28 Sep SWISS direct
19 Sep - 21 Sep SWISS direct
18 Sep - 24 Sep SWISS direct
10 Sep - 15 Sep SWISS direct
16 Sep - 21 Sep SWISS direct
11 Sep - 15 Sep SWISS direct
03 Sep - 01 Oct SWISS direct
30 Sep - 05 Oct SWISS direct
30 Sep - 03 Oct SWISS direct
28 Sep - 01 Oct SWISS direct
29 Sep - 02 Oct SWISS direct
30 Sep - 07 Oct SWISS direct
25 Sep - 02 Oct SWISS direct
24 Sep - 01 Oct SWISS direct
29 Sep - 06 Oct SWISS direct
26 Sep - 03 Oct SWISS direct

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

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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.

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