Cheapest one-way flights from Washington to Dublin in October from $299

AirHint found the following cheapest one-way flights from Washington (IAD) to Dublin (DUB) in October 2026 (see full year).

One-Way flights

05 Oct TAP
21 Oct TAP
25 Oct TAP
27 Oct TAP
14 Oct TAP
25 Oct United direct
27 Oct United direct
14 Oct United direct
05 Oct Aer Lingus direct

Also check the deals for return flights from Washington to Dublin in October.

Powered by

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Feel free to contact us with any feedback or request another flight research.