AirHint found the following cheapest return flights from Washington (IAD) to Dublin (DUB) in February 2026 (see full year).

Return flights

10 Feb - 17 Feb	Icelandair
03 Feb - 10 Feb	Icelandair
19 Feb - 22 Feb	Icelandair
13 Feb - 22 Feb	Icelandair
04 Feb - 11 Feb	Icelandair
05 Feb - 12 Feb	Icelandair
15 Feb - 22 Feb	Icelandair
25 Feb - 04 Mar	Icelandair
17 Feb - 14 Mar	Icelandair
21 Feb - 27 Feb	Icelandair
05 Feb - 15 Feb	Icelandair
27 Feb - 08 Mar	Icelandair
04 Feb - 11 Feb	Aer Lingus	direct
25 Feb - 04 Mar	Aer Lingus	direct
27 Feb - 08 Mar	Aer Lingus	direct
17 Feb - 14 Mar	Aer Lingus	direct

Also check the deals for one-way flights from Washington to Dublin in February.

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

Cheapest return flights from Washington to Dublin in February from $396

Return flights