Cheap flights from San Francisco to Lisbon, Portugal for only $346 roundtrip with United Airlines and Swiss International Air Lines.
The example dates listed below range between $346 and $351 roundtrip.
DEPART:
San Francisco, USA
ARRIVE:
Lisbon, Portugal
RETURN:
San Francisco, USA
DATES:
Availability from May 2022 to February 2023 (excluding summer and Christmas/New Year)
3rd-10th May
6th-13th Oct
13th-20th Oct
20th-27th Oct
25th Oct – 1st Nov
26th Oct – 2nd Nov
28th Oct – 4th Nov
29th Oct – 5th Nov
12th-19th Nov
21st-28th Nov
22nd-29th Nov
25th Nov – 2nd Dec
3rd-10th Dec
12th-19th Dec
13th-20th Dec
1st-8th Feb
and more…
STOPS:
New York/Zurich
AIRLINES:
United Airlines
Swiss International Air Lines