Cheapest one-way flights from Washington to Dublin in December from 275€

AirHint found the following cheapest one-way flights from Washington (IAD) to Dublin (DUB) in December 2025 (see full year).

One-Way flights

10 Dec TAP
05 Dec Icelandair
30 Dec British Airways
10 Dec United direct
30 Dec United direct
29 Dec United direct
31 Dec Air France
05 Dec United direct
31 Dec Aer Lingus direct

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

Skyscanner

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.

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