Portland (PDX) to Bilbao (BIO) flight deal in economy from $730
$1,043 USD
-30%$730 USD
Verified 13 days agoJuly 2026
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Limited Availability
19% of dates checked are available within 10% of the lowest price
Sunday, July 5th, 2026
7 round-trip options
Returning
Fri, Jul 10, 2026•5 Day Trip
$1,616 USD
Returning
Sat, Jul 11, 2026•6 Day Trip
$1,551 USD
Returning
Mon, Jul 13, 2026•8 Day Trip
$1,153 USD
Returning
Tue, Jul 14, 2026•9 Day Trip
$1,083 USD
Returning
Wed, Jul 15, 2026•10 Day Trip
$1,481 USD
Returning
Sat, Jul 18, 2026•13 Day Trip
$1,551 USD
Returning
Sun, Jul 19, 2026•14 Day Trip
$1,551 USD