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

Wednesday, September 30th, 2026

3 round-trip options

Returning
Mon, Oct 5, 20265 Day Trip
$783 USD
Returning
Tue, Oct 6, 20266 Day Trip
$783 USD
Returning
Sat, Oct 10, 202610 Day Trip
$783 USD