Cheapest return flights from Cologne to London in December from $143

Best time to book flights for Cologne (CGN) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Cologne (CGN) to London (LHR) in December 2025 (see full year).

Return flights

09 Dec - 10 Dec British Airways direct
31 Dec - 05 Jan Eurowings direct
25 Dec - 29 Dec British Airways direct
25 Dec - 28 Dec British Airways direct
04 Dec - 07 Dec Eurowings direct
18 Dec - 23 Dec Eurowings direct
14 Dec - 17 Dec British Airways direct
26 Dec - 29 Dec Eurowings direct
01 Dec - 04 Dec Eurowings direct
22 Dec - 29 Dec British Airways direct
20 Dec - 24 Dec Eurowings direct
29 Dec - 02 Jan Eurowings direct
29 Dec - 01 Jan Eurowings direct
27 Dec - 01 Jan Eurowings direct

Also check the deals for one-way flights from Cologne to London in December.

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.

Book a cheap hotel in London

Cheap car rent in London