Cheap flights from Washington to County Dublin

View AU$465 flight on Wed, 13 Aug. 2025Opens in a new window

Popular airlines from Washington to County Dublin

  • Delta

    Delta

  • KLM

    KLM

  • Air Canada

    Air Canada

  • American Airlines

    American Airlines

  • United

    United

  • Air France

    Air France

  • Aer Lingus

    Aer Lingus

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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.

Aer Lingus
Wed, 13 Aug. - Thu, 21 Aug.
IAD
Washington
DUB
Dublin
AU$711 Return, found 5 days ago
AU$711
Return
found 5 days ago
Select Aer Lingus flight, departing Wed, 13 Aug. from Washington to Dublin, returning Thu, 21 Aug., priced at AU$711 found 5 days ago
United
Sun, 2 Nov. - Wed, 19 Nov.
IAD
Washington
DUB
Dublin
AU$711 Return, found 6 days ago
AU$711
Return
found 6 days ago
Select United flight, departing Sun, 2 Nov. from Washington to Dublin, returning Wed, 19 Nov., priced at AU$711 found 6 days ago
Air Canada
Wed, 13 Aug. - Thu, 21 Aug.
DCA
Washington
DUB
Dublin
AU$712 Return, found 5 days ago
AU$712
Return
found 5 days ago
Select Air Canada flight, departing Wed, 13 Aug. from Washington to Dublin, returning Thu, 21 Aug., priced at AU$712 found 5 days ago
Delta
Wed, 13 Aug. - Thu, 21 Aug.
BWI
Baltimore
DUB
Dublin
AU$739 Return, found 5 days ago
AU$739
Return
found 5 days ago
Select Delta flight, departing Wed, 13 Aug. from Baltimore to Dublin, returning Thu, 21 Aug., priced at AU$739 found 5 days ago
Delta
Wed, 13 Aug. - Thu, 21 Aug.
DCA
Washington
DUB
Dublin
AU$739 Return, found 5 days ago
AU$739
Return
found 5 days ago
Select Delta flight, departing Wed, 13 Aug. from Washington to Dublin, returning Thu, 21 Aug., priced at AU$739 found 5 days ago
Swiss International Air Lines
Wed, 13 Aug. - Thu, 21 Aug.
IAD
Washington
DUB
Dublin
AU$803 Return, found 5 days ago
AU$803
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 13 Aug. from Washington to Dublin, returning Thu, 21 Aug., priced at AU$803 found 5 days 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.