Cheapest return flights from San Francisco to Lisbon in August from 439€

AirHint found the following cheapest return flights from San Francisco (SFO) to Lisbon (LIS) in August 2026 (see full year).

Return flights

11 Aug - 20 Aug British Airways
17 Aug - 28 Aug Delta
10 Aug - 19 Aug Delta
02 Aug - 18 Aug British Airways
03 Aug - 19 Aug British Airways
20 Aug - 01 Sep British Airways
20 Aug - 31 Aug British Airways
17 Aug - 24 Aug Delta
20 Aug - 26 Aug British Airways
21 Aug - 04 Sep British Airways
20 Aug - 27 Aug British Airways
13 Aug - 22 Aug British Airways
28 Aug - 10 Sep British Airways
27 Aug - 10 Sep SWISS
22 Aug - 05 Sep SWISS
27 Aug - 10 Sep TAP direct
22 Aug - 05 Sep TAP direct

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

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