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

Monday, September 14th, 2026

3 round-trip options

Returning
Sat, Sep 19, 20265 Day Trip
$945 USD
Returning
Sun, Sep 20, 20266 Day Trip
$783 USD
Returning
Thu, Sep 24, 202610 Day Trip
$783 USD