Cheapest one-way flights from San Francisco (SFO) to Lisbon (LIS), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
27 Sep Brussels Airlines
14 Sep Aer Lingus
22 Sep SWISS
19 Sep Austrian Airlines
08 Sep Aer Lingus
05 Sep WestJet
02 Sep Delta
22 Sep TAP
Direct Flight
14 Sep TAP
Direct Flight
19 Sep TAP
Direct Flight
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deals for return flights from San Francisco to Lisbon in September.

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Updated Jul 16, 2026.

About these fares

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