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

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
21 Jul 29 Jul Frontier Airlines
04 Jul 09 Jul Porter Airlines (Canada) Ltd
27 Jul 04 Aug Icelandair
12 Jul 17 Jul Porter Airlines (Canada) Ltd
21 Jul 27 Jul Icelandair
03 Jul 07 Jul Breeze Airways
03 Jul 09 Jul Air Canada
08 Jul 14 Jul Porter Airlines (Canada) Ltd
05 Jul 14 Jul Porter Airlines (Canada) Ltd
14 Jul 19 Jul Porter Airlines (Canada) Ltd
04 Jul 07 Jul Air Canada
27 Jul 02 Aug Icelandair
31 Jul 09 Aug Air Canada
23 Jul 13 Aug Aer Lingus
Direct Flight
27 Jul 07 Aug British Airways
16 Jul 01 Aug Aer Lingus
Direct Flight
Powered by

deals for one-way flights from Washington to Dublin in July.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Updated Jun 2, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.