Cheapest return flights from London to Prague in September from $126

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

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

Return flights

25 Sep - 30 Sep British Airways direct
27 Sep - 30 Sep British Airways direct
27 Sep - 04 Oct British Airways direct
29 Sep - 02 Oct British Airways direct
29 Sep - 01 Oct British Airways direct
27 Sep - 01 Oct British Airways direct
22 Sep - 24 Sep British Airways direct
23 Sep - 25 Sep British Airways direct
11 Sep - 17 Sep British Airways direct
11 Sep - 18 Sep British Airways direct
04 Sep - 09 Sep British Airways direct
11 Sep - 15 Sep British Airways direct
09 Sep - 16 Sep British Airways direct
13 Sep - 16 Sep British Airways direct
04 Sep - 01 Oct British Airways direct
30 Sep - 03 Oct British Airways direct
08 Sep - 03 Oct Brussels Airlines

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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