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

Return flights

13 Feb - 16 Feb	Icelandair
06 Feb - 28 Feb	Icelandair
02 Feb - 28 Feb	Icelandair
03 Feb - 10 Feb	Icelandair
13 Feb - 20 Feb	Icelandair
02 Feb - 16 Feb	Icelandair
09 Feb - 07 Mar	Icelandair
23 Feb - 02 Mar	Icelandair
27 Feb - 08 Mar	Icelandair
06 Feb - 15 Feb	Icelandair
11 Feb - 25 Feb	Aer Lingus	direct
03 Feb - 10 Feb	Aer Lingus	direct
02 Feb - 28 Feb	Aer Lingus	direct
09 Feb - 07 Mar	Aer Lingus	direct
16 Feb - 14 Mar	Aer Lingus	direct
23 Feb - 02 Mar	Aer Lingus	direct
27 Feb - 08 Mar	United	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 318€

Return flights