Cheapest return flights from Washington to Dublin in October from $445

AirHint found the following cheapest return flights from Washington (IAD) to Dublin (DUB) in October 2025 (see full year).

Return flights

27 Oct - 04 Nov Lufthansa
27 Oct - 04 Nov Aer Lingus direct
26 Oct - 04 Nov Air Canada
26 Oct - 04 Nov Aer Lingus direct
28 Oct - 04 Nov Aer Lingus direct
25 Oct - 04 Nov Lufthansa
27 Oct - 03 Nov Lufthansa
24 Oct - 04 Nov Lufthansa
27 Oct - 03 Nov Aer Lingus direct
29 Oct - 02 Nov Aer Lingus direct
24 Oct - 28 Oct Turkish Airlines
26 Oct - 27 Oct Lufthansa
24 Oct - 28 Oct United direct
26 Oct - 27 Oct Aer Lingus direct

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

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