Cheapest return flights from Washington to Dublin in October from $421

Best time to book flights for Washington (IAD) to Dublin (DUB) flights at AirHint

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

Return flights

08 Oct - 16 Oct TAP
07 Oct - 14 Oct TAP
03 Oct - 06 Oct Icelandair
01 Oct - 05 Oct Icelandair
02 Oct - 16 Oct TAP
09 Oct - 13 Oct Icelandair
12 Oct - 19 Oct Icelandair
28 Oct - 11 Nov Scandinavian Airlines
25 Oct - 08 Nov Icelandair
28 Oct - 11 Nov Aer Lingus direct
21 Oct - 28 Oct Scandinavian Airlines
21 Oct - 28 Oct Aer Lingus direct
07 Oct - 14 Oct Aer Lingus direct
31 Oct - 21 Nov Icelandair
29 Oct - 06 Nov Scandinavian Airlines
31 Oct - 21 Nov Aer Lingus direct
29 Oct - 06 Nov Aer Lingus direct
25 Oct - 08 Nov Aer Lingus direct

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

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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