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

Tuesday, September 29th, 2026

3 round-trip options

Returning
Sun, Oct 4, 20265 Day Trip
$783 USD
Returning
Mon, Oct 5, 20266 Day Trip
$783 USD
Returning
Fri, Oct 9, 202610 Day Trip
$783 USD