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

Friday, September 4th, 2026

3 round-trip options

Returning
Wed, Sep 9, 20265 Day Trip
$783 USD
Returning
Thu, Sep 10, 20266 Day Trip
$783 USD
Returning
Mon, Sep 14, 202610 Day Trip
$783 USD