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

Return flights

23 Sep - 25 Sep	easyJet
26 Sep - 12 Oct	easyJet
26 Sep - 30 Sep	easyJet
10 Sep - 16 Sep	Vueling Airlines
11 Sep - 23 Sep	Vueling Airlines
09 Sep - 23 Sep	Vueling Airlines
07 Sep - 12 Sep	TAP
01 Sep - 09 Sep	Vueling Airlines
08 Sep - 23 Sep	Vueling Airlines
15 Sep - 23 Sep	Vueling Airlines
17 Sep - 23 Sep	Ryanair
28 Sep - 04 Oct	TAP
22 Sep - 11 Oct	Vueling Airlines
15 Sep - 04 Oct	Vueling Airlines
22 Sep - 04 Oct	Vueling Airlines
13 Sep - 04 Oct	Vueling Airlines
14 Sep - 04 Oct	Vueling Airlines
18 Sep - 04 Oct	Vueling Airlines

Also check the deals for one-way flights from Lisbon 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 Lisbon to Split in September from 172€

Return flights