Cheapest return flights from Washington to Dublin in July from $581

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 July 2025 (see full year).

Return flights

29 Jul - 05 Aug Aer Lingus direct
31 Jul - 19 Aug Aer Lingus direct
16 Jul - 23 Jul Aer Lingus direct
22 Jul - 29 Jul Aer Lingus direct
10 Jul - 17 Jul Aer Lingus direct
14 Jul - 22 Jul Aer Lingus direct
09 Jul - 16 Jul Aer Lingus direct
15 Jul - 25 Jul Aer Lingus direct
23 Jul - 27 Jul Aer Lingus direct
29 Jul - 09 Aug Aer Lingus direct
11 Jul - 23 Jul Aer Lingus direct
02 Jul - 11 Jul Aer Lingus direct
01 Jul - 08 Jul Aer Lingus direct

Also check the deals for one-way 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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