Cheapest one-way flights from Washington to Dublin in July from $251

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

AirHint found the following cheapest one-way flights from Washington (IAD) to Dublin (DUB) in July 2025 (see full year).

One-Way flights

07 Jul Frontier Airlines
13 Jul Frontier Airlines
17 Jul Frontier Airlines
29 Jul Icelandair
30 Jul Icelandair
15 Jul TAP
03 Jul Porter Airlines (Canada) Ltd
30 Jul Aer Lingus direct
29 Jul Aer Lingus direct
07 Jul United direct

Also check the deals for return flights from Washington to Dublin in July.

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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