Cheapest return flights from London to Prague in September from $250

Best time to book flights for London (LCY) to Prague (PRG) flights at AirHint

AirHint found the following cheapest return flights from London (LCY) to Prague (PRG) in September 2025 (see full year).

Return flights

15 Sep - 18 Sep KLM
15 Sep - 20 Sep KLM
17 Sep - 20 Sep KLM
03 Sep - 09 Sep KLM
10 Sep - 16 Sep KLM
05 Sep - 10 Sep KLM
19 Sep - 23 Sep KLM
15 Sep - 19 Sep KLM
26 Sep - 29 Sep KLM
16 Sep - 19 Sep KLM
23 Sep - 01 Oct KLM
27 Sep - 01 Oct KLM
30 Sep - 05 Oct KLM
29 Sep - 04 Oct KLM
28 Sep - 12 Oct KLM

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

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