$443 Cheap United flights Boston (BOS) to Barcelona (BCN)

$443 Cheap United flights Boston (BOS) to Barcelona (BCN)

Prices were available within the past 7 days and start at $443 for one-way flights and $349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Nov 23 - Tue, Dec 2

BOS

Boston

BCN

Barcelona

$349 Roundtrip, found 20 hours ago

$349

Roundtrip

found 20 hours ago

Select United flight, departing Sun, Nov 23 from Boston to Barcelona, returning Tue, Dec 2, priced at $349 found 20 hours ago

Sun, Nov 23 - Wed, Dec 3

BOS

Boston

BCN

Barcelona

$359 Roundtrip, found 20 hours ago

$359

Roundtrip

found 20 hours ago

Select United flight, departing Sun, Nov 23 from Boston to Barcelona, returning Wed, Dec 3, priced at $359 found 20 hours ago

Sun, Nov 23 - Mon, Dec 1

BOS

Boston

BCN

Barcelona

$369 Roundtrip, found 20 hours ago

$369

Roundtrip

found 20 hours ago

Select United flight, departing Sun, Nov 23 from Boston to Barcelona, returning Mon, Dec 1, priced at $369 found 20 hours ago

Tue, Sep 16 - Tue, Sep 23

BOS

Boston

BCN

Barcelona

$379 Roundtrip, found 1 day ago

$379

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 16 from Boston to Barcelona, returning Tue, Sep 23, priced at $379 found 1 day ago

Tue, Sep 16 - Tue, Sep 23

BOS

Boston

BCN

Barcelona

$381 Roundtrip, found 1 day ago

$381

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 16 from Boston to Barcelona, returning Tue, Sep 23, priced at $381 found 1 day ago

Tue, Sep 16 - Tue, Sep 23

BOS

Boston

BCN

Barcelona

$385 Roundtrip, found 1 day ago

$385

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 16 from Boston to Barcelona, returning Tue, Sep 23, priced at $385 found 1 day ago

Tue, Sep 16 - Tue, Sep 23

BOS

Boston

BCN

Barcelona

$391 Roundtrip, found 1 day ago

$391

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 16 from Boston to Barcelona, returning Tue, Sep 23, priced at $391 found 1 day ago

Tue, Sep 16 - Tue, Sep 23

BOS

Boston

BCN

Barcelona

$396 Roundtrip, found 1 day ago

$396

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 16 from Boston to Barcelona, returning Tue, Sep 23, priced at $396 found 1 day ago

Tue, Sep 16 - Tue, Sep 23

BOS

Boston

BCN

Barcelona

$397 Roundtrip, found 1 day ago

$397

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 16 from Boston to Barcelona, returning Tue, Sep 23, priced at $397 found 1 day ago

Tue, Sep 16 - Tue, Sep 23

BOS

Boston

BCN

Barcelona

$399 Roundtrip, found 1 day ago

$399

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 16 from Boston to Barcelona, returning Tue, Sep 23, priced at $399 found 1 day ago