Cheapest return flights from Washington to Dublin in July from $655

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

Return flights

29 Jul - 06 Aug Air Canada
29 Jul - 06 Aug Aer Lingus direct
22 Jul - 28 Jul Lufthansa
22 Jul - 30 Jul Lufthansa
30 Jul - 06 Aug Air Canada
30 Jul - 06 Aug Aer Lingus direct
31 Jul - 05 Aug Air Canada
31 Jul - 05 Aug Aer Lingus direct
22 Jul - 28 Jul Aer Lingus direct
22 Jul - 29 Jul Aer Lingus direct
22 Jul - 30 Jul Aer Lingus direct
27 Jul - 03 Aug Aer Lingus direct
13 Jul - 23 Jul Aer Lingus direct
14 Jul - 30 Jul United
31 Jul - 08 Aug Aer Lingus direct
24 Jul - 08 Aug Aer Lingus direct
19 Jul - 26 Jul Aer Lingus direct
20 Jul - 27 Jul Aer Lingus direct
17 Jul - 24 Jul Aer Lingus direct

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

Powered by

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

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