Cheapest return flights from Washington to Dublin in January from $431

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

Return flights

16 Jan - 30 Jan TAP
15 Jan - 19 Jan TAP
13 Jan - 27 Jan Aer Lingus direct
21 Jan - 28 Jan Aer Lingus direct
16 Jan - 30 Jan Aer Lingus direct
11 Jan - 18 Jan Aer Lingus direct
31 Jan - 07 Feb Icelandair
31 Jan - 07 Feb Aer Lingus direct
01 Jan - 08 Jan Icelandair
01 Jan - 08 Jan Aer Lingus direct

Also check the deals for one-way flights from Washington to Dublin in January.

Skyscanner

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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