Portland (PDX) to Bilbao (BIO) flight deal in economy from $730
$1,043 USD
-30%$730 USD
Verified 13 days agoDecember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
19% of dates checked are available within 10% of the lowest price
Thursday, December 24th, 2026
2 round-trip options
Returning
Sat, Jan 2, 2027•9 Day Trip
$1,726 USD
Returning
Sun, Jan 3, 2027•10 Day Trip
$1,482 USD