Flights from Seattle to Shannon

Cheapest flights from Seattle

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 1 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$536 Roundtrip, found 1 day ago

$536

Roundtrip

found 1 day ago

Select United flight, departing Mon, Sep 1 from Seattle - Tacoma Intl. to Shannon, returning Tue, Sep 9, priced at $536 found 1 day ago

Wed, Sep 3 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$540 Roundtrip, found 1 day ago

$540

Roundtrip

found 1 day ago

Select United flight, departing Wed, Sep 3 from Seattle - Tacoma Intl. to Shannon, returning Tue, Sep 9, priced at $540 found 1 day ago

Sun, Aug 31 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$541 Roundtrip, found 1 day ago

$541

Roundtrip

found 1 day ago

Select United flight, departing Sun, Aug 31 from Seattle - Tacoma Intl. to Shannon, returning Tue, Sep 9, priced at $541 found 1 day ago

Thu, Sep 4 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$586 Roundtrip, found 1 day ago

$586

Roundtrip

found 1 day ago

Select United flight, departing Thu, Sep 4 from Seattle - Tacoma Intl. to Shannon, returning Tue, Sep 9, priced at $586 found 1 day ago

Tue, Sep 2 - Fri, Sep 12

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$590 Roundtrip, found 1 day ago

$590

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Shannon, returning Fri, Sep 12, priced at $590 found 1 day ago

Tue, Sep 2 - Tue, Sep 9

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$592 Roundtrip, found 1 day ago

$592

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Shannon, returning Tue, Sep 9, priced at $592 found 1 day ago

Mon, Sep 1 - Sat, Sep 13

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$596 Roundtrip, found 1 day ago

$596

Roundtrip

found 1 day ago

Select United flight, departing Mon, Sep 1 from Seattle - Tacoma Intl. to Shannon, returning Sat, Sep 13, priced at $596 found 1 day ago

Tue, Sep 2 - Fri, Sep 12

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$597 Roundtrip, found 1 day ago

$597

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Shannon, returning Fri, Sep 12, priced at $597 found 1 day ago

Tue, Sep 2 - Fri, Sep 12

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$599 Roundtrip, found 1 day ago

$599

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Shannon, returning Fri, Sep 12, priced at $599 found 1 day ago

Sun, Aug 31 - Sat, Sep 13

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$601 Roundtrip, found 1 day ago

$601

Roundtrip

found 1 day ago

Select United flight, departing Sun, Aug 31 from Seattle - Tacoma Intl. to Shannon, returning Sat, Sep 13, priced at $601 found 1 day ago

Tue, Sep 2 - Fri, Sep 12

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$640 Roundtrip, found 1 day ago

$640

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Shannon, returning Fri, Sep 12, priced at $640 found 1 day ago

Wed, Sep 3 - Sat, Sep 13

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$646 Roundtrip, found 1 day ago

$646

Roundtrip

found 1 day ago

Select United flight, departing Wed, Sep 3 from Seattle - Tacoma Intl. to Shannon, returning Sat, Sep 13, priced at $646 found 1 day ago

Tue, Sep 2 - Sat, Sep 13

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$652 Roundtrip, found 1 day ago

$652

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Shannon, returning Sat, Sep 13, priced at $652 found 1 day ago

Tue, Sep 2 - Fri, Sep 12

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$699 Roundtrip, found 1 day ago

$699

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Shannon, returning Fri, Sep 12, priced at $699 found 1 day ago

Tue, Sep 2 - Fri, Sep 12

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$700 Roundtrip, found 1 day ago

$700

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Shannon, returning Fri, Sep 12, priced at $700 found 1 day ago

Tue, Sep 2 - Fri, Sep 12

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$708 Roundtrip, found 1 day ago

$708

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Shannon, returning Fri, Sep 12, priced at $708 found 1 day ago

Tue, Sep 2 - Fri, Sep 12

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$723 Roundtrip, found 1 day ago

$723

Roundtrip

found 1 day ago

Select Air Canada flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Shannon, returning Fri, Sep 12, priced at $723 found 1 day ago

Tue, Sep 2 - Fri, Sep 12

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$729 Roundtrip, found 1 day ago

$729

Roundtrip

found 1 day ago

Select Air Canada flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Shannon, returning Fri, Sep 12, priced at $729 found 1 day ago

Tue, Sep 2 - Fri, Sep 12

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$774 Roundtrip, found 1 day ago

$774

Roundtrip

found 1 day ago

Select Air Canada flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Shannon, returning Fri, Sep 12, priced at $774 found 1 day ago

Tue, Sep 2 - Fri, Sep 12

SEA

Seattle - Tacoma Intl.

SNN

Shannon

$823 Roundtrip, found 1 day ago

$823

Roundtrip

found 1 day ago

Select British Airways flight, departing Tue, Sep 2 from Seattle - Tacoma Intl. to Shannon, returning Fri, Sep 12, priced at $823 found 1 day ago