Cheapest return flights from Washington (IAD) to Dublin (DUB), August

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
20 Aug 28 Aug Porter Airlines (Canada) Ltd
15 Aug 21 Aug Porter Airlines (Canada) Ltd
17 Aug 26 Aug Porter Airlines (Canada) Ltd
14 Aug 26 Aug Icelandair
26 Aug 31 Aug Porter Airlines (Canada) Ltd
27 Aug 31 Aug Porter Airlines (Canada) Ltd
17 Aug 26 Aug Aer Lingus
Direct Flight
10 Aug 23 Aug Air Canada
14 Aug 26 Aug Aer Lingus
Direct Flight
20 Aug 28 Aug Aer Lingus
Direct Flight
02 Aug 06 Sep KLM
26 Aug 10 Sep Turkish Airlines
10 Aug 09 Sep TAP
06 Aug 30 Sep Porter Airlines (Canada) Ltd
06 Aug 30 Sep Aer Lingus
Direct Flight
02 Aug 06 Sep Aer Lingus
Direct Flight
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deals for one-way flights from Washington to Dublin in August.

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Updated Jun 2, 2026.

About these fares

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