Cheap flights from San Francisco to Bilbao, Spain for only $436 roundtrip with TAP Air Portugal.
The example dates listed below range between $436 and $441 roundtrip.
DEPART:
San Francisco, USA
ARRIVE:
Bilbao, Spain
RETURN:
San Francisco, USA
DATES:
Limited availability from February to March 2023
27th Feb – 5th Mar
27th Feb – 6th Mar
possibly more…
STOPS:
Lisbon
AIRLINES:
TAP Air Portugal
Bulgaria Air
Xfly