AirHint found the following cheapest one-way flights from San Francisco (SFO) to Lisbon (LIS) in August 2026 (see full year).
One-Way flights
| 08 Aug | Air Canada | ||
| 01 Aug | Air Canada | ||
| 29 Aug | Alaska Airlines | ||
| 28 Aug | Alaska Airlines | ||
| 31 Aug | United | ||
| 01 Aug | TAP | direct | |
| 08 Aug | TAP | direct | |
| 31 Aug | TAP | direct |
Also check the deals for return flights from San Francisco to Lisbon in August.
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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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