Cheapest return flights from Washington to Dublin in July from 690€

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

Return flights

14 Jul - 21 Jul Frontier Airlines
12 Jul - 19 Jul Porter Airlines (Canada) Ltd
10 Jul - 19 Jul Porter Airlines (Canada) Ltd
11 Jul - 18 Jul Porter Airlines (Canada) Ltd
16 Jul - 25 Jul Porter Airlines (Canada) Ltd
05 Jul - 09 Jul Porter Airlines (Canada) Ltd
15 Jul - 25 Jul Frontier Airlines
19 Jul - 25 Jul Icelandair
06 Jul - 15 Jul Porter Airlines (Canada) Ltd
15 Jul - 22 Jul Air Canada
27 Jul - 02 Aug Air France
29 Jul - 05 Aug Aer Lingus direct
31 Jul - 15 Aug Icelandair
16 Jul - 01 Aug Frontier Airlines
24 Jul - 01 Aug United
27 Jul - 02 Aug Aer Lingus direct
24 Jul - 01 Aug Aer Lingus direct
31 Jul - 15 Aug Aer Lingus direct
16 Jul - 01 Aug Aer Lingus direct

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

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