Cheap flights from Washington to County Dublin

View AU$415 flight on Tue, 19 Aug. 2025Opens in a new window

Popular airlines from Washington to County Dublin

  • Delta

    Delta

  • Air Canada

    Air Canada

  • American Airlines

    American Airlines

  • Air France

    Air France

  • KLM

    KLM

  • United

    United

  • Aer Lingus

    Aer Lingus

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Cheap Flights from Washington (WAS) to County Dublin (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.

TAP Portugal
Tue, 19 Aug. - Thu, 4 Sep.
IAD
Washington
DUB
Dublin
AU$724 Return, found 1 day ago
AU$724
Return
found 1 day ago
Select TAP Portugal flight, departing Tue, 19 Aug. from Washington to Dublin, returning Thu, 4 Sep., priced at AU$724 found 1 day ago
United
Mon, 4 Aug. - Wed, 20 Aug.
DCA
Washington
DUB
Dublin
AU$725 Return, found 1 day ago
AU$725
Return
found 1 day ago
Select United flight, departing Mon, 4 Aug. from Washington to Dublin, returning Wed, 20 Aug., priced at AU$725 found 1 day ago
Icelandair
Tue, 19 Aug. - Thu, 4 Sep.
IAD
Washington
DUB
Dublin
AU$755 Return, found 1 day ago
AU$755
Return
found 1 day ago
Select Icelandair flight, departing Tue, 19 Aug. from Washington to Dublin, returning Thu, 4 Sep., priced at AU$755 found 1 day ago
Aer Lingus
Tue, 19 Aug. - Thu, 4 Sep.
IAD
Washington
DUB
Dublin
AU$764 Return, found 1 day ago
AU$764
Return
found 1 day ago
Select Aer Lingus flight, departing Tue, 19 Aug. from Washington to Dublin, returning Thu, 4 Sep., priced at AU$764 found 1 day ago
Air Canada
Tue, 19 Aug. - Thu, 4 Sep.
DCA
Washington
DUB
Dublin
AU$768 Return, found 1 day ago
AU$768
Return
found 1 day ago
Select Air Canada flight, departing Tue, 19 Aug. from Washington to Dublin, returning Thu, 4 Sep., priced at AU$768 found 1 day ago
Delta
Mon, 4 Aug. - Wed, 20 Aug.
DCA
Washington
DUB
Dublin
AU$776 Return, found 1 day ago
AU$776
Return
found 1 day ago
Select Delta flight, departing Mon, 4 Aug. from Washington to Dublin, returning Wed, 20 Aug., priced at AU$776 found 1 day ago

Find the cheapest month to fly from Washington (WAS) to Dublin (DUB)

February is typically the cheapest month to fly

From AU$409 - AU$1,186 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.