$364 Cheap United flights Boston (BOS) to Shannon (SNN)

$364 Cheap United flights Boston (BOS) to Shannon (SNN)

Prices were available within the past 7 days and start at $364 for one-way flights and $519 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 4 - Wed, Sep 10

BOS

Boston

SNN

Shannon

$519 Roundtrip, found 12 hours ago

$519

Roundtrip

found 12 hours ago

Select United flight, departing Thu, Sep 4 from Boston to Shannon, returning Wed, Sep 10, priced at $519 found 12 hours ago

Sun, Sep 14 - Wed, Sep 24

BOS

Boston

SNN

Shannon

$521 Roundtrip, found 5 days ago

$521

Roundtrip

found 5 days ago

Select United flight, departing Sun, Sep 14 from Boston to Shannon, returning Wed, Sep 24, priced at $521 found 5 days ago

Sun, Sep 14 - Mon, Sep 22

BOS

Boston

SNN

Shannon

$524 Roundtrip, found 5 days ago

$524

Roundtrip

found 5 days ago

Select United flight, departing Sun, Sep 14 from Boston to Shannon, returning Mon, Sep 22, priced at $524 found 5 days ago

Sun, Aug 31 - Sun, Sep 7

BOS

Boston

SNN

Shannon

$551 Roundtrip, found 12 hours ago

$551

Roundtrip

found 12 hours ago

Select United flight, departing Sun, Aug 31 from Boston to Shannon, returning Sun, Sep 7, priced at $551 found 12 hours ago

Wed, Sep 3 - Wed, Sep 10

BOS

Boston

SNN

Shannon

$584 Roundtrip, found 12 hours ago

$584

Roundtrip

found 12 hours ago

Select United flight, departing Wed, Sep 3 from Boston to Shannon, returning Wed, Sep 10, priced at $584 found 12 hours ago

Wed, Sep 3 - Wed, Sep 10

BOS

Boston

SNN

Shannon

$589 Roundtrip, found 12 hours ago

$589

Roundtrip

found 12 hours ago

Select United flight, departing Wed, Sep 3 from Boston to Shannon, returning Wed, Sep 10, priced at $589 found 12 hours ago

Wed, Sep 3 - Wed, Sep 10

BOS

Boston

SNN

Shannon

$590 Roundtrip, found 12 hours ago

$590

Roundtrip

found 12 hours ago

Select United flight, departing Wed, Sep 3 from Boston to Shannon, returning Wed, Sep 10, priced at $590 found 12 hours ago

Mon, Sep 15 - Wed, Sep 24

BOS

Boston

SNN

Shannon

$594 Roundtrip, found 5 days ago

$594

Roundtrip

found 5 days ago

Select United flight, departing Mon, Sep 15 from Boston to Shannon, returning Wed, Sep 24, priced at $594 found 5 days ago

Thu, Sep 18 - Wed, Sep 24

BOS

Boston

SNN

Shannon

$596 Roundtrip, found 5 days ago

$596

Roundtrip

found 5 days ago

Select United flight, departing Thu, Sep 18 from Boston to Shannon, returning Wed, Sep 24, priced at $596 found 5 days ago

Thu, Sep 18 - Thu, Sep 25

BOS

Boston

SNN

Shannon

$599 Roundtrip, found 5 days ago

$599

Roundtrip

found 5 days ago

Select United flight, departing Thu, Sep 18 from Boston to Shannon, returning Thu, Sep 25, priced at $599 found 5 days ago