Cheapest return flights from Basel to Porto in September from $101

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

Return flights

22 Sep - 25 Sep easyJet direct
22 Sep - 24 Sep easyJet direct
16 Sep - 25 Sep easyJet direct
15 Sep - 02 Oct easyJet direct
16 Sep - 24 Sep easyJet direct
22 Sep - 27 Sep easyJet direct
23 Sep - 26 Sep easyJet direct
21 Sep - 25 Sep easyJet direct
21 Sep - 24 Sep easyJet direct
24 Sep - 26 Sep easyJet direct
15 Sep - 19 Sep easyJet direct
29 Sep - 03 Oct easyJet
29 Sep - 03 Oct easyJet direct
25 Sep - 02 Oct easyJet direct
27 Sep - 01 Oct Ryanair
29 Sep - 04 Oct easyJet
30 Sep - 07 Oct easyJet direct
29 Sep - 04 Oct easyJet direct
27 Sep - 03 Oct Ryanair
22 Sep - 06 Oct easyJet

Also check the deals for one-way flights from Basel to Porto in September.

Skyscanner

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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