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

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
24 Aug	Alaska Airlines
20 Aug	Alaska Airlines
04 Aug	WestJet
11 Aug	Alaska Airlines
30 Aug	Alaska Airlines
15 Aug	WestJet
10 Aug	Frontier Airlines
13 Aug	Alaska Airlines
21 Aug	WestJet
09 Aug	Frontier Airlines

deals for return flights from San Francisco to Lisbon in August.

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Updated Jul 16, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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

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