Cheap flights from Seattle to Leinster

View AU$564 flight on Tue, 12 Aug. 2025Opens in a new window

Popular airlines from Seattle to Leinster

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Seattle (SEA) to Leinster (DUB)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Mon, 28 Jul. - Wed, 13 Aug.
SEA
Seattle
DUB
Dublin
AU$672 Return, found 14 hours ago
AU$672
Return
found 14 hours ago
Select Aer Lingus flight, departing Mon, 28 Jul. from Seattle to Dublin, returning Wed, 13 Aug., priced at AU$672 found 14 hours ago
Delta
Mon, 28 Jul. - Wed, 13 Aug.
SEA
Seattle
DUB
Dublin
AU$697 Return, found 14 hours ago
AU$697
Return
found 14 hours ago
Select Delta flight, departing Mon, 28 Jul. from Seattle to Dublin, returning Wed, 13 Aug., priced at AU$697 found 14 hours ago
Delta
Thu, 14 Aug. - Fri, 29 Aug.
SEA
Seattle
DUB
Dublin
AU$729 Return, found 3 days ago
AU$729
Return
found 3 days ago
Select Delta flight, departing Thu, 14 Aug. from Seattle to Dublin, returning Fri, 29 Aug., priced at AU$729 found 3 days ago
Air Canada
Mon, 28 Jul. - Wed, 13 Aug.
SEA
Seattle
DUB
Dublin
AU$734 Return, found 14 hours ago
AU$734
Return
found 14 hours ago
Select Air Canada flight, departing Mon, 28 Jul. from Seattle to Dublin, returning Wed, 13 Aug., priced at AU$734 found 14 hours ago
United
Mon, 28 Jul. - Wed, 13 Aug.
SEA
Seattle
DUB
Dublin
AU$750 Return, found 14 hours ago
AU$750
Return
found 14 hours ago
Select United flight, departing Mon, 28 Jul. from Seattle to Dublin, returning Wed, 13 Aug., priced at AU$750 found 14 hours ago
KLM
Thu, 14 Aug. - Fri, 29 Aug.
SEA
Seattle
DUB
Dublin
AU$818 Return, found 3 days ago
AU$818
Return
found 3 days ago
Select KLM flight, departing Thu, 14 Aug. from Seattle to Dublin, returning Fri, 29 Aug., priced at AU$818 found 3 days ago

Find the cheapest month to fly from Seattle (SEA) to Dublin (DUB)

November is typically the cheapest month to fly

From AU$510 - AU$1,345 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.