Bilbao (BIO) to Boston (BOS) flight deal in economy from $396

American AirlinesAAAmerican AirlinesFinnairAYFinnairBritish AirwaysBABritish AirwaysIberia AirlinesIBIberia Airlines
Round Trip•Economy
SpainBIO

Bilbao Airport

Bilbao, Spain
United StatesBOS

Logan International Airport

Boston, United States
$762 USD
-48%$396 USD
Verified 15 days ago
Rare Availability
6% of dates checked are available within 10% of the lowest price

Tuesday, September 15th, 2026

7 round-trip options

Returning
Sun, Sep 20, 2026•5 Day Trip
$422 USD
Google Flights
Returning
Mon, Sep 21, 2026•6 Day Trip
$405 USD
Google Flights
Returning
Tue, Sep 22, 2026•7 Day Trip
$455 USD
Google Flights
Returning
Wed, Sep 23, 2026•8 Day Trip
$405 USD
Google Flights
Returning
Fri, Sep 25, 2026•10 Day Trip
$422 USD
Google Flights
Returning
Mon, Sep 28, 2026•13 Day Trip
$455 USD
Google Flights
Returning
Tue, Sep 29, 2026•14 Day Trip
$455 USD
Google Flights