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

Return flights

16 Apr - 23 Apr	British Airways	direct
14 Apr - 19 Apr	British Airways	direct
24 Apr - 26 Apr	British Airways	direct
17 Apr - 23 Apr	British Airways	direct
09 Apr - 12 Apr	Aegean Airlines
29 Apr - 06 May	Aegean Airlines
05 Apr - 13 Apr	Austrian Airlines
10 Apr - 13 Apr	Austrian Airlines
01 Apr - 05 Apr	Lufthansa
02 Apr - 05 Apr	Austrian Airlines
03 Apr - 06 Apr	Lufthansa

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 125€

Return flights