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

Return flights

17 Feb - 26 Feb	United
09 Feb - 18 Feb	United
08 Feb - 18 Feb	United
11 Feb - 16 Feb	Air France
07 Feb - 18 Feb	United
23 Feb - 21 Mar	SWISS
20 Feb - 14 Mar	SWISS
09 Feb - 18 Feb	TAP	direct
07 Feb - 18 Feb	TAP	direct
11 Feb - 18 Feb	TAP	direct
11 Feb - 16 Feb	TAP	direct
13 Feb - 07 Mar	KLM
16 Feb - 23 Feb	TAP	direct
23 Feb - 21 Mar	TAP	direct
20 Feb - 14 Mar	TAP	direct

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

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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Cheapest return flights from San Francisco to Lisbon in February from 417€

Return flights