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

Saturday, December 26th, 2026

6 round-trip options

Returning
Thu, Dec 31, 2026•5 Day Trip
$730 USD
Google Flights
Returning
Fri, Jan 1, 2027•6 Day Trip
$730 USD
Google Flights
Returning
Mon, Jan 4, 2027•9 Day Trip
$730 USD
Google Flights
Returning
Tue, Jan 5, 2027•10 Day Trip
$730 USD
Google Flights
Returning
Wed, Jan 6, 2027•11 Day Trip
$730 USD
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Returning
Thu, Jan 7, 2027•12 Day Trip
$670 USD
Google Flights