Cheap flights from San Francisco to Lisbon, Portugal for only $331 roundtrip with Air Canada and United Airlines.
The example dates listed below range between $331 and $340 roundtrip.
DEPART:
San Francisco, USA
ARRIVE:
Lisbon, Portugal
RETURN:
San Francisco, USA
DATES:
Availability from June to October 2021
5th-12th Jun
10th-17th Jun
12th-19th Jun
15th-22nd Jun
16th-23rd Jun
17th-24th Jun
18th-25th Jun
19th-26th Jun
20th-27th Jun
21st-28th Jun
22nd-29th Jun
23rd-30th Jun
24th Jun – 1st Jul
25th Jun – 2nd Jul
26th Jun – 3rd Jul
27th Jun – 4th Jul
28th Jun – 5th Jul
29th Jun – 6th Jul
30th Jun – 7th Jul
13th-20th Jul
14th-21st Jul
17th-24th Jul
21st-28th Jul
28th Jul – 4th Aug
11th-18th Aug
12th-19th Aug
17th-24th Aug
25th Aug – 1st Sep
30th Aug – 6th Sep
31st Aug – 7th Sep
1st-8th Sep
6th-13th Sep
8th-15th Sep
13th-20th Sep
21st-28th Sep
27th Sep – 4th Oct
22nd-29th Oct
and more…
STOPS:
Montreal
Denver (incoming only)
AIRLINES:
Air Canada
United Airlines