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

Wednesday, September 16th, 2026

3 round-trip options

Returning
Mon, Sep 21, 20265 Day Trip
$783 USD
Returning
Tue, Sep 22, 20266 Day Trip
$783 USD
Returning
Sat, Sep 26, 202610 Day Trip
$783 USD