Cheapest return flights from London to Frankfurt in December from $192

Best time to book flights for London (LCY) to Frankfurt (FRA) flights at AirHint

AirHint found the following cheapest return flights from London (LCY) to Frankfurt (FRA) in December 2025 (see full year).

Return flights

02 Dec - 05 Dec British Airways direct
24 Dec - 28 Dec Lufthansa direct
01 Dec - 04 Dec British Airways direct
01 Dec - 17 Dec British Airways direct
08 Dec - 13 Dec Air Dolomiti
13 Dec - 15 Dec SWISS

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

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