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Cheap flights from San Diego or Seattle to Lisbon or Porto, Portugal from only $434 roundtrip with British Airways.
Routes:
San Diego – Lisbon: $434
Seattle – Lisbon: $434
San Diego – Porto: $451
Seattle – Porto: $451
DEPART:
San Diego/Seattle, USA
ARRIVE:
Lisbon/Porto, Portugal
RETURN:
San Diego/Seattle, USA
DATES:
Availability from January to March 2026
San Diego – Lisbon: $434
13th-20th Jan
14th-21st Jan
19th-26th Jan
20th-27th Jan
21st-28th Jan
26th Jan – 2nd Feb
27th Jan – 3rd Feb
28th Jan – 4th Feb
2nd-9th Feb
3rd-10th Feb
4th-11th Feb
9th-16th Feb
10th-17th Feb
16th-23rd Feb
17th-24th Feb
18th-25th Feb
23rd Feb – 2nd Mar
24th Feb – 3rd Mar
25th Feb – 4th Mar
3rd-10th Mar
4th-11th Mar
9th-16th Mar
10th-17th Mar
11th-18th Mar
16th-23rd Mar
17th-24th Mar
18th-25th Mar
Seattle – Lisbon: $434
12th-19th Jan
13th-20th Jan
14th-21st Jan
19th-26th Jan
20th-27th Jan
21st-28th Jan
26th Jan – 2nd Feb
27th Jan – 3rd Feb
28th Jan – 4th Feb
2nd-9th Feb
3rd-10th Feb
4th-11th Feb
9th-16th Feb
16th-23rd Feb
17th-24th Feb
18th-25th Feb
23rd Feb – 2nd Mar
24th Feb – 3rd Mar
3rd-10th Mar
9th-16th Mar
10th-17th Mar
16th-23rd Mar
24th-31st Mar
San Diego – Porto: $451
13th-20th Jan
19th-26th Jan
20th-27th Jan
21st-28th Jan
28th Jan – 4th Feb
2nd-9th Feb
3rd-10th Feb
9th-16th Feb
10th-17th Feb
23rd Feb – 2nd Mar
10th-17th Mar
Seattle – Porto: $451
14th-21st Jan
19th-26th Jan
21st-28th Jan
2nd-9th Feb
9th-16th Feb
10th-17th Feb
18th-25th Feb
and more…
STOPS:
London
AIRLINES:
British Airways
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