Cheapest return flights from London to Paris in September from $125

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

Return flights

07 Sep - 30 Sep British Airways direct
19 Sep - 23 Sep British Airways direct
22 Sep - 23 Sep British Airways direct
07 Sep - 12 Sep British Airways direct
07 Sep - 11 Sep British Airways direct
23 Sep - 25 Sep British Airways direct
03 Sep - 11 Sep Air France direct
03 Sep - 17 Sep Air France direct
09 Sep - 13 Sep Air France direct
02 Sep - 09 Sep Air France direct
26 Sep - 03 Oct British Airways direct
24 Sep - 01 Oct Air France direct
30 Sep - 06 Oct British Airways direct
24 Sep - 04 Oct Air France direct
20 Sep - 02 Oct Air France direct
27 Sep - 04 Oct Air France direct
29 Sep - 06 Oct British Airways direct
28 Sep - 01 Oct Air France direct
30 Sep - 01 Oct British Airways direct
30 Sep - 03 Oct British Airways direct

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