$428 Cheap United flights Boston (BOS) to Barcelona (BCN)

$428 Cheap United flights Boston (BOS) to Barcelona (BCN)

Prices were available within the past 7 days and start at $428 for one-way flights and $463 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 20 - Fri, Nov 7

BOS

Boston

BCN

Barcelona

$463 Roundtrip, found 2 days ago

$463

Roundtrip

found 2 days ago

Select United flight, departing Mon, Oct 20 from Boston to Barcelona, returning Fri, Nov 7, priced at $463 found 2 days ago

Mon, Oct 20 - Thu, Nov 6

BOS

Boston

BCN

Barcelona

$468 Roundtrip, found 2 days ago

$468

Roundtrip

found 2 days ago

Select United flight, departing Mon, Oct 20 from Boston to Barcelona, returning Thu, Nov 6, priced at $468 found 2 days ago

Sun, Oct 26 - Fri, Nov 7

BOS

Boston

BCN

Barcelona

$473 Roundtrip, found 2 days ago

$473

Roundtrip

found 2 days ago

Select United flight, departing Sun, Oct 26 from Boston to Barcelona, returning Fri, Nov 7, priced at $473 found 2 days ago

Mon, Oct 20 - Wed, Nov 5

BOS

Boston

BCN

Barcelona

$484 Roundtrip, found 2 days ago

$484

Roundtrip

found 2 days ago

Select United flight, departing Mon, Oct 20 from Boston to Barcelona, returning Wed, Nov 5, priced at $484 found 2 days ago

Thu, Oct 23 - Thu, Nov 6

BOS

Boston

BCN

Barcelona

$509 Roundtrip, found 2 days ago

$509

Roundtrip

found 2 days ago

Select United flight, departing Thu, Oct 23 from Boston to Barcelona, returning Thu, Nov 6, priced at $509 found 2 days ago

Thu, Oct 23 - Thu, Nov 6

BOS

Boston

BCN

Barcelona

$514 Roundtrip, found 2 days ago

$514

Roundtrip

found 2 days ago

Select United flight, departing Thu, Oct 23 from Boston to Barcelona, returning Thu, Nov 6, priced at $514 found 2 days ago

Thu, Oct 23 - Thu, Nov 6

BOS

Boston

BCN

Barcelona

$521 Roundtrip, found 2 days ago

$521

Roundtrip

found 2 days ago

Select United flight, departing Thu, Oct 23 from Boston to Barcelona, returning Thu, Nov 6, priced at $521 found 2 days ago

Thu, Oct 23 - Thu, Nov 6

BOS

Boston

BCN

Barcelona

$524 Roundtrip, found 2 days ago

$524

Roundtrip

found 2 days ago

Select United flight, departing Thu, Oct 23 from Boston to Barcelona, returning Thu, Nov 6, priced at $524 found 2 days ago

Thu, Oct 23 - Thu, Nov 6

BOS

Boston

BCN

Barcelona

$526 Roundtrip, found 2 days ago

$526

Roundtrip

found 2 days ago

Select United flight, departing Thu, Oct 23 from Boston to Barcelona, returning Thu, Nov 6, priced at $526 found 2 days ago

Thu, Oct 23 - Thu, Nov 6

BOS

Boston

BCN

Barcelona

$529 Roundtrip, found 2 days ago

$529

Roundtrip

found 2 days ago

Select United flight, departing Thu, Oct 23 from Boston to Barcelona, returning Thu, Nov 6, priced at $529 found 2 days ago

Thu, Oct 23 - Thu, Nov 6

BOS

Boston

BCN

Barcelona

$531 Roundtrip, found 2 days ago

$531

Roundtrip

found 2 days ago

Select United flight, departing Thu, Oct 23 from Boston to Barcelona, returning Thu, Nov 6, priced at $531 found 2 days ago