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

Sunday, October 4th, 2026

6 round-trip options

Returning
Fri, Oct 9, 2026•5 Day Trip
$1,023 USD
Google Flights
Returning
Sun, Oct 11, 2026•7 Day Trip
$795 USD
Google Flights
Returning
Mon, Oct 12, 2026•8 Day Trip
$795 USD
Google Flights
Returning
Fri, Oct 16, 2026•12 Day Trip
$795 USD
Google Flights
Returning
Sat, Oct 17, 2026•13 Day Trip
$795 USD
Google Flights
Returning
Sun, Oct 18, 2026•14 Day Trip
$795 USD
Google Flights