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

Return flights

10 Mar - 12 Mar	British Airways	direct
09 Mar - 12 Mar	British Airways	direct
18 Mar - 24 Mar	British Airways	direct
18 Mar - 20 Mar	British Airways	direct
06 Mar - 09 Mar	British Airways
19 Mar - 22 Mar	Air Serbia
06 Mar - 09 Mar	British Airways	direct
13 Mar - 18 Mar	British Airways	direct
13 Mar - 15 Mar	British Airways	direct
19 Mar - 21 Mar	KLM
28 Mar - 01 Apr	LOT
30 Mar - 10 Apr	SWISS
28 Mar - 01 Apr	British Airways	direct

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 $153

Return flights