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

Monday, September 7th, 2026

3 round-trip options

Returning
Sat, Sep 12, 20265 Day Trip
$945 USD
Returning
Sun, Sep 13, 20266 Day Trip
$783 USD
Returning
Thu, Sep 17, 202610 Day Trip
$783 USD