Dallas-Fort Worth (DFW) to Bilbao (BIO) cheap flight deal from $539 USD in economy class

AAAmerican Airlines

AYFinnair

Dallas/Fort Worth International Airport

Dallas-Fort Worth, United States

BIO

Bilbao Airport

Bilbao, Spain

$983 USD

-45%$539 USD

Verified Sep 20, 2025 at 3:34 PM

October 2025

Today

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29$649 30$640 1$694 2$694 3$694 4$744 5$945 6$701 7$690 8$640 9$745 10$790 11$655 12$590 13$590 14$590 15$594 16$644 17$665 18$1,020 19$688 20$688 21$688 22$665 23$715 24$715 25$697 26$679 27$601 28$594 29$594 30$644 31$1,129 1 2

Rare Availability

5% of dates checked are available within 10% of the lowest price

Thursday, October 16th, 2025

6 round-trip options

Returning

Tue, Oct 21, 2025•5 Day Trip

$644 USD

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Returning

Wed, Oct 22, 2025•6 Day Trip

$669 USD

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Returning

Thu, Oct 23, 2025•7 Day Trip

$974 USD

Google Flights

Returning

Fri, Oct 24, 2025•8 Day Trip

$974 USD

Google Flights

Returning

Sat, Oct 25, 2025•9 Day Trip

$1,024 USD

Google Flights

Returning

Mon, Oct 27, 2025•11 Day Trip

$1,975 USD

Google Flights