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

Return flights

15 Jul - 23 Jul	Lufthansa
16 Jul - 24 Jul	Lufthansa
15 Jul - 24 Jul	Lufthansa
15 Jul - 22 Jul	Lufthansa
12 Jul - 25 Jul	Lufthansa
12 Jul - 28 Jul	Lufthansa
15 Jul - 19 Jul	Lufthansa
14 Jul - 19 Jul	Aegean Airlines
30 Jul - 06 Aug	Lufthansa
30 Jul - 31 Jul	Lufthansa
30 Jul - 05 Aug	Lufthansa
10 Jul - 16 Jul	Austrian Airlines
15 Jul - 05 Aug	SWISS
15 Jul - 06 Aug	SWISS
29 Jul - 06 Aug	Lufthansa
29 Jul - 05 Aug	Lufthansa
15 Jul - 07 Aug	Austrian Airlines
29 Jul - 07 Aug	Lufthansa
29 Jul - 04 Aug	Lufthansa
23 Jul - 06 Aug	SWISS

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 206€

Return flights