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

Return flights

17 Feb - 25 Feb	TAP
04 Feb - 09 Feb	TAP
06 Feb - 09 Feb	TAP
05 Feb - 09 Feb	TAP
05 Feb - 13 Feb	TAP
26 Feb - 01 Mar	TAP
09 Feb - 18 Feb	Scandinavian Airlines
04 Feb - 07 Feb	Scandinavian Airlines
13 Feb - 16 Feb	TAP
09 Feb - 16 Feb	Scandinavian Airlines
08 Feb - 15 Feb	TAP
21 Feb - 23 Mar	TAP
24 Feb - 03 Mar	Icelandair
27 Feb - 06 Mar	Icelandair
24 Feb - 03 Mar	Aer Lingus	direct
27 Feb - 08 Mar	TAP
27 Feb - 06 Mar	Aer Lingus	direct
21 Feb - 23 Mar	Aer Lingus	direct
27 Feb - 08 Mar	Aer Lingus	direct
26 Feb - 01 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 399€

Return flights