PDX to BIO from $351 in economy – flightdeals.net

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Air France

Delta Air Lines

DLDelta Air Lines

KLM

One Way•Economy

Portland International Airport

Portland, United States

Bilbao Airport

$527 USD

-33%$351 USD

Verified about 15 hours ago

June 2026

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1 2 3$878 4$948 5$948 6$878 7$878 8$878 9$878 10$878 11$948 12$948 13$878 14$878 15$878 16$878 17$878 18$948 19$948 20$889 21$878 22$878 23$878 24$878 25$948 26$948 27$882 28$878 29$878 30$878 1$878 2$538 3$532 4$528 5$472

Fair Availability

31% of dates checked are available within 10% of the lowest price

Tuesday, June 2nd, 2026

No flight details available for this date.