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 6 hours ago
Extremely Rare Availability
2% of dates checked are available within 10% of the lowest price

Tuesday, December 1st, 2026

6 round-trip options

Returning
Sun, Dec 6, 2026•5 Day Trip
$733 USD
Google Flights
Returning
Mon, Dec 7, 2026•6 Day Trip
$733 USD
Google Flights
Returning
Thu, Dec 10, 2026•9 Day Trip
$733 USD
Google Flights
Returning
Fri, Dec 11, 2026•10 Day Trip
$733 USD
Google Flights
Returning
Sat, Dec 12, 2026•11 Day Trip
$702 USD
Google Flights
Returning
Sun, Dec 13, 2026•12 Day Trip
$762 USD
Google Flights