AirHint found the following cheapest return flights from London (LCY) to Bucharest (OTP) in April 2026 (see full year).

Return flights

04 Apr - 07 Apr	KLM
01 Apr - 03 Apr	SWISS
15 Apr - 29 Apr	SWISS
04 Apr - 08 Apr	KLM
02 Apr - 05 Apr	KLM
07 Apr - 14 Apr	Lufthansa
24 Apr - 28 Apr	Lufthansa
09 Apr - 12 Apr	SWISS
10 Apr - 12 Apr	SWISS
01 Apr - 05 Apr	SWISS
30 Apr - 03 May	KLM

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

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 April from 242€

Return flights