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

Friday, September 18th, 2026

3 round-trip options

Returning
Sat, Sep 26, 20268 Day Trip
$462 USD
Returning
Sun, Sep 27, 20269 Day Trip
$465 USD
Returning
Wed, Sep 30, 202612 Day Trip
$462 USD