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San Francisco (SFO) to Bilbao (BIO) flight deal in economy from $710
AF
Air France
DL
Delta Air Lines
KL
KLM
Round Trip
•
Economy
SFO
San Francisco International Airport
San Francisco, United States
BIO
Bilbao Airport
Bilbao, Spain
$954 USD
-26%
$710
USD
Verified about 9 hours ago
June 2026
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$1,172
2
$1,359
3
$1,242
4
$1,129
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$1,065
Fair Availability
30% of dates checked are available within 10% of the lowest price
Wednesday, June 17th, 2026
0 round-trip options
No flight details available for this date.
