Cheapest return IAD–DUB flights, August

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

Return flights

25 Aug - 01 Sep Turkish Airlines
26 Aug - 02 Sep Turkish Airlines
24 Aug - 31 Aug TAP
27 Aug - 03 Sep Scandinavian Airlines
18 Aug - 25 Aug TAP
17 Aug - 25 Aug TAP
17 Aug - 10 Sep TAP
31 Aug - 07 Sep Turkish Airlines
30 Aug - 06 Sep Turkish Airlines
28 Aug - 04 Sep Turkish Airlines
12 Aug - 19 Aug Air Canada
20 Aug - 28 Aug TAP
29 Aug - 05 Sep Turkish Airlines
21 Aug - 29 Aug TAP
02 Aug - 06 Sep Icelandair
17 Aug - 24 Aug Air Canada
11 Aug - 18 Aug KLM
17 Aug - 10 Sep Aer Lingus direct
12 Aug - 19 Aug Aer Lingus direct
18 Aug - 25 Aug Aer Lingus direct

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

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