$623 Cheap United flights Boston (BOS) to Barcelona (BCN)

$623 Cheap United flights Boston (BOS) to Barcelona (BCN)

Prices were available within the past 7 days and start at $623 for one-way flights and $453 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Dec 8 - Tue, Dec 16

BOS

Boston

BCN

Barcelona

$453 Roundtrip, found 21 hours ago

$453

Roundtrip

found 21 hours ago

Select United flight, departing Mon, Dec 8 from Boston to Barcelona, returning Tue, Dec 16, priced at $453 found 21 hours ago

Mon, Dec 8 - Thu, Dec 11

BOS

Boston

BCN

Barcelona

$466 Roundtrip, found 21 hours ago

$466

Roundtrip

found 21 hours ago

Select United flight, departing Mon, Dec 8 from Boston to Barcelona, returning Thu, Dec 11, priced at $466 found 21 hours ago

Sun, Dec 7 - Wed, Dec 10

BOS

Boston

BCN

Barcelona

$476 Roundtrip, found 21 hours ago

$476

Roundtrip

found 21 hours ago

Select United flight, departing Sun, Dec 7 from Boston to Barcelona, returning Wed, Dec 10, priced at $476 found 21 hours ago

Tue, Dec 9 - Fri, Dec 12

BOS

Boston

BCN

Barcelona

$481 Roundtrip, found 21 hours ago

$481

Roundtrip

found 21 hours ago

Select United flight, departing Tue, Dec 9 from Boston to Barcelona, returning Fri, Dec 12, priced at $481 found 21 hours ago

Tue, Apr 7 - Fri, Apr 24

BOS

Boston

BCN

Barcelona

$608 Roundtrip, found 5 days ago

$608

Roundtrip

found 5 days ago

Select United flight, departing Tue, Apr 7 from Boston to Barcelona, returning Fri, Apr 24, priced at $608 found 5 days ago