Cheapest return IAD–DUB flights, June

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

Return flights

01 Jun - 08 Jun Porter Airlines (Canada) Ltd
02 Jun - 09 Jun Porter Airlines (Canada) Ltd
03 Jun - 10 Jun Air Canada
09 Jun - 16 Jun Air Canada
04 Jun - 11 Jun Porter Airlines (Canada) Ltd
05 Jun - 12 Jun Porter Airlines (Canada) Ltd
14 Jun - 20 Jun Porter Airlines (Canada) Ltd
14 Jun - 28 Jun Porter Airlines (Canada) Ltd
08 Jun - 15 Jun Porter Airlines (Canada) Ltd
02 Jun - 15 Jun Porter Airlines (Canada) Ltd
30 Jun - 07 Jul Porter Airlines (Canada) Ltd
29 Jun - 06 Jul Air Canada
23 Jun - 01 Jul Porter Airlines (Canada) Ltd
24 Jun - 01 Jul Porter Airlines (Canada) Ltd
26 Jun - 06 Jul Porter Airlines (Canada) Ltd
24 Jun - 03 Jul Porter Airlines (Canada) Ltd
30 Jun - 06 Jul Porter Airlines (Canada) Ltd
25 Jun - 02 Jul Aer Lingus direct
26 Jun - 03 Jul Aer Lingus direct
24 Jun - 01 Jul Aer Lingus direct

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

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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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