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

Return flights

17 Apr - 21 Apr	British Airways	direct
23 Apr - 25 Apr	British Airways	direct
16 Apr - 19 Apr	Aegean Airlines
10 Apr - 14 Apr	British Airways	direct
16 Apr - 19 Apr	British Airways	direct
23 Apr - 27 Apr	British Airways	direct
24 Apr - 26 Apr	British Airways	direct
13 Apr - 15 Apr	Aegean Airlines
13 Apr - 15 Apr	British Airways	direct
05 Apr - 07 Apr	British Airways	direct

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 $150

Return flights