AirHint found the following cheapest return flights from Dole (DLE) to Porto (OPO) in September 2025 (see full year).

Return flights

29 Sep - 17 Oct	Ryanair	direct
26 Sep - 29 Sep	Ryanair	direct
29 Sep - 29 Sep	Ryanair
22 Sep - 29 Sep	Ryanair	direct
22 Sep - 26 Sep	Ryanair	direct
19 Sep - 26 Sep	Ryanair	direct
29 Sep - 04 Oct	Ryanair
23 Sep - 28 Sep	Ryanair
19 Sep - 22 Sep	Ryanair	direct
30 Sep - 30 Sep	Ryanair
23 Sep - 27 Sep	Ryanair
19 Sep - 23 Sep	Ryanair

Also check the deals for one-way flights from Dole to Porto 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 Dole to Porto in September from 89€

Return flights