Portland (PDX) to Bilbao (BIO) flight deal in economy from $730
$1,043 USD
-30%$730 USD
Verified 13 days agoOctober 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
19% of dates checked are available within 10% of the lowest price
Wednesday, October 28th, 2026
2 round-trip options
Returning
Tue, Nov 3, 2026•6 Day Trip
$777 USD
Returning
Sun, Nov 8, 2026•11 Day Trip
$780 USD