Dublin (DUB) to Washington (IAD) flight deal in economy from $586

Monday, August 31st, 2026

3 round-trip options

Returning
Sat, Sep 5, 20265 Day Trip
$945 USD
Returning
Sun, Sep 6, 20266 Day Trip
$783 USD
Returning
Thu, Sep 10, 202610 Day Trip
$783 USD