Cheapest return flights from London to Prague in December 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 December 2025 (see full year).

Return flights

15 Dec - 19 Dec British Airways direct
16 Dec - 19 Dec British Airways direct
17 Dec - 19 Dec British Airways direct
03 Dec - 10 Dec British Airways direct
22 Dec - 23 Jan British Airways direct
23 Dec - 26 Dec British Airways direct
23 Dec - 02 Jan British Airways direct
17 Dec - 21 Dec British Airways direct
03 Dec - 07 Dec British Airways direct
04 Dec - 09 Dec British Airways direct
30 Dec - 02 Jan British Airways direct
29 Dec - 02 Jan British Airways direct
31 Dec - 02 Jan British Airways direct
30 Dec - 03 Jan British Airways direct
10 Dec - 13 Dec British Airways direct
10 Dec - 14 Dec British Airways direct
25 Dec - 11 Jan British Airways direct
18 Dec - 10 Jan British Airways direct
20 Dec - 05 Jan British Airways direct

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

Cheap car rent in Prague