Cheapest return flights from Dublin to Washington in August from $421

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

AirHint found the following cheapest return flights from Dublin (DUB) to Washington (IAD) in August 2025 (see full year).

Return flights

31 Aug - 17 Sep Icelandair
27 Aug - 31 Aug Icelandair
30 Aug - 06 Sep Icelandair
23 Aug - 10 Sep Scandinavian Airlines
28 Aug - 02 Sep Icelandair
31 Aug - 17 Sep Aer Lingus direct
28 Aug - 02 Sep Aer Lingus direct
21 Aug - 10 Sep Scandinavian Airlines
22 Aug - 10 Sep Scandinavian Airlines
15 Aug - 03 Sep Scandinavian Airlines
22 Aug - 31 Aug Scandinavian Airlines
10 Aug - 27 Aug Icelandair
24 Aug - 30 Aug TAP
11 Aug - 28 Aug Icelandair
17 Aug - 03 Sep Icelandair
20 Aug - 24 Aug Icelandair
02 Aug - 10 Aug Icelandair
12 Aug - 26 Aug Scandinavian Airlines
12 Aug - 31 Aug Scandinavian Airlines
02 Aug - 30 Aug Aer Lingus direct

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

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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