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
18 Feb - 25 Feb	Icelandair
04 Feb - 11 Feb	Icelandair
07 Feb - 14 Feb	Icelandair
19 Feb - 23 Feb	Icelandair
19 Feb - 26 Feb	Icelandair
23 Feb - 02 Mar	Icelandair
12 Feb - 18 Feb	Icelandair
11 Feb - 15 Feb	Icelandair
10 Feb - 17 Feb	Icelandair
13 Feb - 20 Feb	Icelandair
22 Feb - 01 Mar	Icelandair
19 Feb - 13 Mar	Icelandair
19 Feb - 18 Mar	SWISS
23 Feb - 02 Mar	Aer Lingus	direct
22 Feb - 01 Mar	Aer Lingus	direct
22 Feb - 14 Mar	Lufthansa
19 Feb - 13 Mar	Aer Lingus	direct
22 Feb - 14 Mar	Aer Lingus	direct
19 Feb - 18 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.

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Cheapest return flights from Washington to Dublin in February from 352€

Return flights