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

Return flights

13 Feb - 27 Feb	TAP
18 Feb - 25 Feb	TAP
13 Feb - 16 Feb	TAP
05 Feb - 09 Feb	TAP
13 Feb - 17 Feb	TAP
05 Feb - 21 Feb	Scandinavian Airlines
06 Feb - 15 Feb	TAP
04 Feb - 07 Feb	Scandinavian Airlines
03 Feb - 10 Feb	Scandinavian Airlines
09 Feb - 22 Feb	Scandinavian Airlines
24 Feb - 03 Mar	Icelandair
27 Feb - 07 Mar	Icelandair
26 Feb - 05 Mar	Icelandair
27 Feb - 08 Mar	TAP
28 Feb - 07 Mar	Scandinavian Airlines
27 Feb - 06 Mar	Icelandair
22 Feb - 03 Mar	Aer Lingus	direct
26 Feb - 05 Mar	Aer Lingus	direct
28 Feb - 07 Mar	Aer Lingus	direct
27 Feb - 08 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 $418

Return flights