$459 Cheap United flights Boston (BOS) to Shannon (SNN)

$459 Cheap United flights Boston (BOS) to Shannon (SNN)

Prices were available within the past 7 days and start at $459 for one-way flights and $367 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 3 - Wed, May 13

BOS

Boston

SNN

Shannon

$367 Roundtrip, found 7 hours ago

$367

Roundtrip

found 7 hours ago

Select United flight, departing Sun, May 3 from Boston to Shannon, returning Wed, May 13, priced at $367 found 7 hours ago

Sat, May 2 - Wed, May 13

BOS

Boston

SNN

Shannon

$402 Roundtrip, found 7 hours ago

$402

Roundtrip

found 7 hours ago

Select United flight, departing Sat, May 2 from Boston to Shannon, returning Wed, May 13, priced at $402 found 7 hours ago

Sun, May 3 - Mon, May 11

BOS

Boston

SNN

Shannon

$420 Roundtrip, found 5 days ago

$420

Roundtrip

found 5 days ago

Select United flight, departing Sun, May 3 from Boston to Shannon, returning Mon, May 11, priced at $420 found 5 days ago

Sun, May 3 - Tue, May 12

BOS

Boston

SNN

Shannon

$421 Roundtrip, found 7 hours ago

$421

Roundtrip

found 7 hours ago

Select United flight, departing Sun, May 3 from Boston to Shannon, returning Tue, May 12, priced at $421 found 7 hours ago

Sun, Apr 19 - Thu, Apr 23

BOS

Boston

SNN

Shannon

$426 Roundtrip, found 4 days ago

$426

Roundtrip

found 4 days ago

Select United flight, departing Sun, Apr 19 from Boston to Shannon, returning Thu, Apr 23, priced at $426 found 4 days ago

Mon, May 4 - Wed, May 13

BOS

Boston

SNN

Shannon

$427 Roundtrip, found 7 hours ago

$427

Roundtrip

found 7 hours ago

Select United flight, departing Mon, May 4 from Boston to Shannon, returning Wed, May 13, priced at $427 found 7 hours ago