Cheapest return flights from London to Prague in September from $242

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

Return flights

01 Sep - 29 Sep KLM
07 Sep - 10 Sep KLM
26 Sep - 28 Sep KLM
16 Sep - 23 Sep KLM
19 Sep - 23 Sep KLM
01 Sep - 07 Sep KLM
07 Sep - 14 Sep KLM
15 Sep - 22 Sep KLM
05 Sep - 09 Sep KLM
06 Sep - 09 Sep KLM
30 Sep - 05 Oct KLM
26 Sep - 01 Oct KLM
29 Sep - 07 Oct KLM
27 Sep - 03 Oct KLM
04 Sep - 11 Oct SWISS
29 Sep - 01 Oct KLM
29 Sep - 04 Oct KLM
17 Sep - 11 Oct Lufthansa

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

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