Dublin (DUB) to Washington (IAD) flight deal in economy from $579

Aer LingusEIAer Lingus
Round Trip•Economy
IrelandDUB

Dublin Airport

Dublin, Ireland
United StatesIAD

Washington Dulles International Airport

Washington, United States
$814 USD
-29%$579 USD
Verified about 11 hours ago
Extremely Rare Availability
2% of dates checked are available within 10% of the lowest price

Sunday, August 9th, 2026

5 round-trip options

Returning
Fri, Aug 14, 2026•5 Day Trip
$1,291 USD
Google Flights
Returning
Sat, Aug 15, 2026•6 Day Trip
$1,291 USD
Google Flights
Returning
Mon, Aug 17, 2026•8 Day Trip
$1,051 USD
Google Flights
Returning
Thu, Aug 20, 2026•11 Day Trip
$1,051 USD
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Returning
Fri, Aug 21, 2026•12 Day Trip
$1,057 USD
Google Flights