Cheapest return flights from San Francisco to Lisbon in August from 558€

Best time to book flights for San Francisco (SFO) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from San Francisco (SFO) to Lisbon (LIS) in August 2025 (see full year).

Return flights

14 Aug - 23 Aug Air Canada
06 Aug - 21 Aug United
16 Aug - 31 Aug LEVEL
31 Aug - 08 Sep Air Canada
14 Aug - 21 Aug TAP direct
14 Aug - 23 Aug TAP direct
06 Aug - 21 Aug TAP direct
31 Aug - 07 Sep British Airways
07 Aug - 14 Aug TAP direct
27 Aug - 03 Sep TAP direct
06 Aug - 11 Aug United
06 Aug - 11 Aug TAP direct
02 Aug - 09 Aug TAP direct

Also check the deals for one-way flights from San Francisco to Lisbon in August.

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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