$304 Cheap United flights Boston (BOS) to Shannon (SNN)

$304 Cheap United flights Boston (BOS) to Shannon (SNN)

Prices were available within the past 7 days and start at $304 for one-way flights and $391 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 7 - Thu, Oct 16

BOS

Boston

SNN

Shannon

$391 Roundtrip, found 3 days ago

$391

Roundtrip

found 3 days ago

Select United flight, departing Tue, Oct 7 from Boston to Shannon, returning Thu, Oct 16, priced at $391 found 3 days ago

Tue, Oct 7 - Mon, Oct 20

BOS

Boston

SNN

Shannon

$394 Roundtrip, found 3 days ago

$394

Roundtrip

found 3 days ago

Select United flight, departing Tue, Oct 7 from Boston to Shannon, returning Mon, Oct 20, priced at $394 found 3 days ago

Wed, Sep 3 - Sat, Sep 13

BOS

Boston

SNN

Shannon

$399 Roundtrip, found 20 hours ago

$399

Roundtrip

found 20 hours ago

Select United flight, departing Wed, Sep 3 from Boston to Shannon, returning Sat, Sep 13, priced at $399 found 20 hours ago

Sun, Oct 5 - Thu, Oct 16

BOS

Boston

SNN

Shannon

$416 Roundtrip, found 3 days ago

$416

Roundtrip

found 3 days ago

Select United flight, departing Sun, Oct 5 from Boston to Shannon, returning Thu, Oct 16, priced at $416 found 3 days ago

Fri, Oct 3 - Thu, Oct 16

BOS

Boston

SNN

Shannon

$419 Roundtrip, found 3 days ago

$419

Roundtrip

found 3 days ago

Select United flight, departing Fri, Oct 3 from Boston to Shannon, returning Thu, Oct 16, priced at $419 found 3 days ago

Fri, Oct 3 - Mon, Oct 20

BOS

Boston

SNN

Shannon

$421 Roundtrip, found 3 days ago

$421

Roundtrip

found 3 days ago

Select United flight, departing Fri, Oct 3 from Boston to Shannon, returning Mon, Oct 20, priced at $421 found 3 days ago