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

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

Prices were available within the past 7 days and start at for one-way flights and $438 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Feb 9 - Tue, Feb 24

BOS

Boston

BCN

Barcelona

$438 Roundtrip, found 2 days ago

$438

Roundtrip

found 2 days ago

Select United flight, departing Mon, Feb 9 from Boston to Barcelona, returning Tue, Feb 24, priced at $438 found 2 days ago

Tue, Feb 3 - Tue, Feb 17

BOS

Boston

BCN

Barcelona

$443 Roundtrip, found 2 days ago

$443

Roundtrip

found 2 days ago

Select United flight, departing Tue, Feb 3 from Boston to Barcelona, returning Tue, Feb 17, priced at $443 found 2 days ago

Mon, Mar 9 - Wed, Mar 25

BOS

Boston

BCN

Barcelona

$448 Roundtrip, found 2 days ago

$448

Roundtrip

found 2 days ago

Select United flight, departing Mon, Mar 9 from Boston to Barcelona, returning Wed, Mar 25, priced at $448 found 2 days ago

Mon, Mar 9 - Tue, Mar 24

BOS

Boston

BCN

Barcelona

$452 Roundtrip, found 1 day ago

$452

Roundtrip

found 1 day ago

Select United flight, departing Mon, Mar 9 from Boston to Barcelona, returning Tue, Mar 24, priced at $452 found 1 day ago

Sun, Feb 8 - Mon, Feb 23

BOS

Boston

BCN

Barcelona

$458 Roundtrip, found 2 days ago

$458

Roundtrip

found 2 days ago

Select United flight, departing Sun, Feb 8 from Boston to Barcelona, returning Mon, Feb 23, priced at $458 found 2 days ago

Tue, Feb 17 - Tue, Mar 3

BOS

Boston

BCN

Barcelona

$458 Roundtrip, found 2 days ago

$458

Roundtrip

found 2 days ago

Select United flight, departing Tue, Feb 17 from Boston to Barcelona, returning Tue, Mar 3, priced at $458 found 2 days ago

Tue, Mar 10 - Fri, Mar 27

BOS

Boston

BCN

Barcelona

$459 Roundtrip, found 1 day ago

$459

Roundtrip

found 1 day ago

Select United flight, departing Tue, Mar 10 from Boston to Barcelona, returning Fri, Mar 27, priced at $459 found 1 day ago

Wed, Mar 11 - Thu, Mar 26

BOS

Boston

BCN

Barcelona

$468 Roundtrip, found 1 day ago

$468

Roundtrip

found 1 day ago

Select United flight, departing Wed, Mar 11 from Boston to Barcelona, returning Thu, Mar 26, priced at $468 found 1 day ago

Tue, Mar 10 - Fri, Mar 27

BOS

Boston

BCN

Barcelona

$472 Roundtrip, found 2 days ago

$472

Roundtrip

found 2 days ago

Select United flight, departing Tue, Mar 10 from Boston to Barcelona, returning Fri, Mar 27, priced at $472 found 2 days ago

Thu, Feb 5 - Thu, Feb 19

BOS

Boston

BCN

Barcelona

$474 Roundtrip, found 2 days ago

$474

Roundtrip

found 2 days ago

Select United flight, departing Thu, Feb 5 from Boston to Barcelona, returning Thu, Feb 19, priced at $474 found 2 days ago

Tue, Feb 10 - Mon, Feb 23

BOS

Boston

BCN

Barcelona

$478 Roundtrip, found 2 days ago

$478

Roundtrip

found 2 days ago

Select United flight, departing Tue, Feb 10 from Boston to Barcelona, returning Mon, Feb 23, priced at $478 found 2 days ago