Dublin (DUB) to Washington (IAD) flight deal in economy from $336

Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price

Monday, September 28th, 2026

4 round-trip options

Returning
Sat, Oct 3, 20265 Day Trip
$3,337 USD
Returning
Sun, Oct 4, 20266 Day Trip
$2,094 USD
Returning
Wed, Oct 7, 20269 Day Trip
$3,090 USD
Returning
Sun, Oct 11, 202613 Day Trip
$3,213 USD