Dublin (DUB) to Washington (IAD) flight deal in economy from $336

Tuesday, December 1st, 2026

4 round-trip options

Returning
Mon, Dec 7, 20266 Day Trip
$563 USD
Returning
Wed, Dec 9, 20268 Day Trip
$625 USD
Returning
Mon, Dec 14, 202613 Day Trip
$621 USD
Returning
Tue, Dec 15, 202614 Day Trip
$730 USD