Cheapest return flights from San Francisco to Lisbon in September from 406€

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

Return flights

30 Sep - 07 Oct Air Canada
16 Sep - 23 Sep Air Canada
23 Sep - 30 Sep Iberia For Level
27 Sep - 18 Oct Iberia For Level
22 Sep - 29 Sep Air Canada
17 Sep - 24 Sep Air Canada
09 Sep - 16 Sep Air Canada
22 Sep - 29 Sep TAP direct
15 Sep - 22 Sep Air Canada
30 Sep - 07 Oct TAP direct
15 Sep - 30 Sep Brussels Airlines
23 Sep - 30 Sep TAP direct
28 Sep - 05 Oct Air Canada
30 Sep - 23 Oct TAP direct
24 Sep - 01 Oct Air Canada
29 Sep - 06 Oct SWISS
01 Sep - 15 Sep SWISS
30 Sep - 09 Oct United
24 Sep - 01 Oct TAP direct
25 Sep - 02 Oct TAP direct

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

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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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