Cheapest return flights from Basel to Porto in September from $136

Best time to book flights for Basel (BSL) to Porto (OPO) flights at AirHint

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

Return flights

25 Sep - 06 Oct easyJet direct
23 Sep - 04 Oct easyJet direct
01 Sep - 07 Sep easyJet direct

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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