AirHint found the following cheapest return flights from Basel (BSL) to Porto (OPO) in July 2026 (see full year).

Return flights

15 Jul - 04 Aug	Austrian Airlines
17 Jul - 26 Jul	easyJet
15 Jul - 05 Aug	easyJet
15 Jul - 05 Aug	easyJet	direct
17 Jul - 05 Aug	easyJet
15 Jul - 04 Aug	easyJet	direct
17 Jul - 26 Jul	easyJet	direct
17 Jul - 04 Aug	Lufthansa
18 Jul - 05 Aug	easyJet	direct
31 Jul - 03 Aug	easyJet
17 Jul - 04 Aug	easyJet	direct
31 Jul - 14 Aug	easyJet	direct

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

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 Basel to Porto in July from $236

Return flights