$381 Cheap United flights Boston (BOS) to Madrid (MAD)

$381 Cheap United flights Boston (BOS) to Madrid (MAD)

Prices were available within the past 7 days and start at $381 for one-way flights and $471 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 24 - Wed, Apr 8

BOS

Boston

MAD

Madrid

$471 Roundtrip, found 1 day ago

$471

Roundtrip

found 1 day ago

Select United flight, departing Tue, Mar 24 from Boston to Madrid, returning Wed, Apr 8, priced at $471 found 1 day ago

Tue, Mar 24 - Wed, Apr 8

BOS

Boston

MAD

Madrid

$475 Roundtrip, found 1 day ago

$475

Roundtrip

found 1 day ago

Select United flight, departing Tue, Mar 24 from Boston to Madrid, returning Wed, Apr 8, priced at $475 found 1 day ago

Tue, Mar 24 - Wed, Apr 8

BOS

Boston

MAD

Madrid

$502 Roundtrip, found 1 day ago

$502

Roundtrip

found 1 day ago

Select United flight, departing Tue, Mar 24 from Boston to Madrid, returning Wed, Apr 8, priced at $502 found 1 day ago

Tue, Mar 24 - Wed, Apr 8

BOS

Boston

MAD

Madrid

$530 Roundtrip, found 1 day ago

$530

Roundtrip

found 1 day ago

Select United flight, departing Tue, Mar 24 from Boston to Madrid, returning Wed, Apr 8, priced at $530 found 1 day ago

Tue, Mar 24 - Wed, Apr 8

BOS

Boston

MAD

Madrid

$531 Roundtrip, found 1 day ago

$531

Roundtrip

found 1 day ago

Select United flight, departing Tue, Mar 24 from Boston to Madrid, returning Wed, Apr 8, priced at $531 found 1 day ago

Tue, Mar 24 - Wed, Apr 8

BOS

Boston

MAD

Madrid

$534 Roundtrip, found 1 day ago

$534

Roundtrip

found 1 day ago

Select United flight, departing Tue, Mar 24 from Boston to Madrid, returning Wed, Apr 8, priced at $534 found 1 day ago

Tue, Mar 24 - Wed, Apr 8

BOS

Boston

MAD

Madrid

$538 Roundtrip, found 1 day ago

$538

Roundtrip

found 1 day ago

Select United flight, departing Tue, Mar 24 from Boston to Madrid, returning Wed, Apr 8, priced at $538 found 1 day ago