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

Friday, September 4th, 2026

3 round-trip options

Returning
Sat, Sep 12, 20268 Day Trip
$689 USD
Returning
Sun, Sep 13, 20269 Day Trip
$680 USD
Returning
Wed, Sep 16, 202612 Day Trip
$672 USD