AirHint found the following cheapest return flights from London (LCY) to Prague (PRG) in March 2026 (see full year).

Return flights

06 Mar - 27 Mar	British Airways	direct
06 Mar - 15 Mar	British Airways	direct
13 Mar - 16 Mar	KLM
08 Mar - 11 Mar	KLM
02 Mar - 16 Mar	KLM
03 Mar - 10 Mar	KLM
04 Mar - 20 Mar	KLM
09 Mar - 16 Mar	KLM
10 Mar - 17 Mar	KLM
11 Mar - 18 Mar	KLM
16 Mar - 06 Apr	KLM
24 Mar - 07 Apr	KLM
18 Mar - 01 Apr	KLM
25 Mar - 08 Apr	KLM
25 Mar - 15 Apr	KLM
24 Mar - 14 Apr	KLM
11 Mar - 03 Apr	KLM
25 Mar - 18 Apr	KLM
25 Mar - 07 Apr	KLM
19 Mar - 04 Apr	KLM

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

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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Cheapest return flights from London to Prague in March from 171€

Return flights