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
Monday, July 13th, 2026
7 round-trip options
Returning
Sat, Jul 18, 2026•5 Day Trip
$1,661 USD
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Sun, Jul 19, 2026•6 Day Trip
$1,129 USD
Returning
Tue, Jul 21, 2026•8 Day Trip
$1,049 USD
Returning
Wed, Jul 22, 2026•9 Day Trip
$1,049 USD
Returning
Thu, Jul 23, 2026•10 Day Trip
$1,069 USD
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Sun, Jul 26, 2026•13 Day Trip
$1,139 USD
Returning
Mon, Jul 27, 2026•14 Day Trip
$1,139 USD