AirHint found the following cheapest return flights from London (LCY) to Bucharest (OTP) in July 2025 (see full year).

Return flights

14 Jul - 23 Jul	SWISS
29 Jul - 30 Jul	SWISS
15 Jul - 25 Jul	SWISS
07 Jul - 15 Jul	SWISS
30 Jul - 05 Aug	Lufthansa
23 Jul - 06 Aug	Lufthansa
31 Jul - 05 Aug	Lufthansa
29 Jul - 05 Aug	SWISS
10 Jul - 13 Jul	Lufthansa
15 Jul - 23 Jul	Lufthansa
23 Jul - 30 Jul	Lufthansa
22 Jul - 24 Jul	SWISS
28 Jul - 30 Jul	SWISS
14 Jul - 16 Jul	SWISS
15 Jul - 05 Aug	Lufthansa
29 Jul - 13 Aug	SWISS
24 Jul - 06 Aug	Lufthansa
29 Jul - 20 Aug	SWISS
29 Jul - 01 Aug	SWISS
30 Jul - 01 Aug	Lufthansa

Also check the deals for one-way flights from London to Bucharest in July.

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 Bucharest in July from 291€

Return flights