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

Friday, September 25th, 2026

3 round-trip options

Returning
Wed, Sep 30, 20265 Day Trip
$783 USD
Returning
Thu, Oct 1, 20266 Day Trip
$783 USD
Returning
Mon, Oct 5, 202610 Day Trip
$783 USD