AirHint found the following cheapest return flights from Rotterdam (RTM) to Split (SPU) in September 2025 (see full year).

Return flights

04 Sep - 07 Sep	transavia	direct
04 Sep - 11 Sep	transavia	direct
17 Sep - 24 Sep	transavia	direct
11 Sep - 18 Sep	transavia	direct
10 Sep - 18 Sep	transavia	direct
03 Sep - 08 Sep	transavia	direct
03 Sep - 10 Sep	transavia	direct
10 Sep - 17 Sep	transavia	direct
27 Sep - 04 Oct	transavia
11 Sep - 14 Sep	transavia	direct
24 Sep - 04 Oct	transavia
04 Sep - 08 Sep	transavia	direct
27 Sep - 07 Oct	transavia	direct
26 Sep - 06 Oct	transavia
27 Sep - 04 Oct	transavia	direct
24 Sep - 04 Oct	transavia	direct

Also check the deals for one-way flights from Rotterdam to Split 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 Rotterdam to Split in September from $185

Return flights