Cheapest return flights from London to Bucharest in September from $194

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

Return flights

14 Sep - 20 Sep British Airways
25 Sep - 04 Oct British Airways
04 Sep - 09 Sep British Airways
01 Sep - 09 Sep British Airways
17 Sep - 20 Sep Air Serbia
07 Sep - 09 Sep British Airways
11 Sep - 12 Sep British Airways
11 Sep - 15 Sep British Airways
12 Sep - 15 Sep British Airways
13 Sep - 15 Sep British Airways
03 Sep - 10 Sep British Airways
30 Sep - 06 Oct British Airways
19 Sep - 04 Oct British Airways
15 Sep - 06 Oct British Airways
30 Sep - 07 Oct British Airways
27 Sep - 05 Oct British Airways direct
26 Sep - 05 Oct British Airways
27 Sep - 01 Oct British Airways direct
23 Sep - 05 Oct British Airways direct
29 Sep - 05 Oct British Airways direct

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

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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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