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

Tuesday, September 1st, 2026

6 round-trip options

Returning
Sun, Sep 6, 2026•5 Day Trip
$795 USD
Google Flights
Returning
Tue, Sep 8, 2026•7 Day Trip
$795 USD
Google Flights
Returning
Wed, Sep 9, 2026•8 Day Trip
$795 USD
Google Flights
Returning
Sun, Sep 13, 2026•12 Day Trip
$795 USD
Google Flights
Returning
Mon, Sep 14, 2026•13 Day Trip
$795 USD
Google Flights
Returning
Tue, Sep 15, 2026•14 Day Trip
$795 USD
Google Flights