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

Saturday, September 5th, 2026

3 round-trip options

Returning
Thu, Sep 10, 20265 Day Trip
$783 USD
Returning
Fri, Sep 11, 20266 Day Trip
$783 USD
Returning
Tue, Sep 15, 202610 Day Trip
$791 USD