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

Return flights

13 May - 17 May	easyJet
09 May - 17 May	Ryanair
09 May - 10 May	easyJet
08 May - 10 May	easyJet
15 May - 17 May	easyJet
04 May - 07 May	easyJet
08 May - 11 May	easyJet
07 May - 08 May	easyJet
12 May - 14 May	Ryanair
09 May - 16 May	Ryanair
21 May - 05 Jun	Animawings
21 May - 05 Jun	Animawings	direct
26 May - 02 Jun	Animawings	direct
24 May - 01 Jun	Animawings	direct
29 May - 05 Jun	Animawings	direct
31 May - 03 Jun	Animawings	direct
29 May - 01 Jun	Animawings	direct
22 May - 09 Jun	Animawings
22 May - 09 Jun	Animawings	direct
26 May - 07 Jun	Animawings	direct

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

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 May from 147€

Return flights