Washington (IAD) to Dublin (DUB) flight deal in economy from $457

Monday, July 20th, 2026

4 round-trip options

Returning
Wed, Jul 29, 20269 Day Trip
$462 USD
Returning
Thu, Jul 30, 202610 Day Trip
$465 USD
Returning
Fri, Jul 31, 202611 Day Trip
$465 USD
Returning
Sat, Aug 1, 202612 Day Trip
$684 USD