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

Return flights

05 Feb - 15 Feb	Icelandair
10 Feb - 17 Feb	Icelandair
03 Feb - 10 Feb	Icelandair
08 Feb - 15 Feb	Icelandair
13 Feb - 20 Feb	Icelandair
18 Feb - 25 Feb	Icelandair
27 Feb - 15 Mar	Icelandair
23 Feb - 02 Mar	Icelandair
28 Feb - 07 Mar	Icelandair
04 Feb - 11 Feb	Icelandair
10 Feb - 17 Feb	Aer Lingus	direct
04 Feb - 11 Feb	Aer Lingus	direct
03 Feb - 10 Feb	Aer Lingus	direct
23 Feb - 02 Mar	Aer Lingus	direct
28 Feb - 07 Mar	Aer Lingus	direct
27 Feb - 15 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 341€

Return flights