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

Return flights

17 Sep - 18 Sep	easyJet
15 Sep - 20 Sep	easyJet
18 Sep - 20 Sep	easyJet
23 Sep - 30 Sep	easyJet
16 Sep - 23 Sep	Ryanair
13 Sep - 20 Sep	easyJet
25 Sep - 30 Sep	easyJet
14 Sep - 19 Sep	easyJet
16 Sep - 06 Oct	Ryanair
10 Sep - 26 Sep	easyJet
10 Sep - 15 Sep	Ryanair
20 Sep - 11 Oct	easyJet
26 Sep - 03 Oct	easyJet
06 Sep - 11 Oct	easyJet
27 Sep - 12 Oct	Ryanair
06 Sep - 18 Oct	easyJet
16 Sep - 06 Oct	KLM	direct
06 Sep - 12 Oct	Ryanair
07 Sep - 05 Oct	Ryanair
16 Sep - 05 Oct	Ryanair

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

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 Amsterdam to Bucharest in September from $201

Return flights