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

Thursday, September 17th, 2026

3 round-trip options

Returning
Tue, Sep 22, 20265 Day Trip
$783 USD
Returning
Wed, Sep 23, 20266 Day Trip
$783 USD
Returning
Sun, Sep 27, 202610 Day Trip
$783 USD