Cheapest return flights from Washington to Dublin in September from 582€

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

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

Return flights

29 Sep - 06 Oct jetBlue
16 Sep - 24 Sep jetBlue
17 Sep - 24 Sep jetBlue
29 Sep - 08 Oct jetBlue
12 Sep - 19 Sep jetBlue
18 Sep - 23 Sep jetBlue
09 Sep - 21 Sep jetBlue
08 Sep - 21 Sep jetBlue
05 Sep - 14 Sep jetBlue
11 Sep - 21 Sep jetBlue

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

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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