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

Wednesday, December 30th, 2026

6 round-trip options

Returning
Mon, Jan 4, 2027•5 Day Trip
$790 USD
Google Flights
Returning
Tue, Jan 5, 2027•6 Day Trip
$790 USD
Google Flights
Returning
Fri, Jan 8, 2027•9 Day Trip
$730 USD
Google Flights
Returning
Sat, Jan 9, 2027•10 Day Trip
$790 USD
Google Flights
Returning
Sun, Jan 10, 2027•11 Day Trip
$730 USD
Google Flights
Returning
Mon, Jan 11, 2027•12 Day Trip
$762 USD
Google Flights