Cheapest return flights from Washington to Dublin in October from $630

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

Return flights

26 Oct - 02 Nov British Airways
25 Oct - 02 Nov British Airways
06 Oct - 13 Oct United
07 Oct - 14 Oct Delta
02 Oct - 10 Oct jetBlue
05 Oct - 12 Oct jetBlue
08 Oct - 15 Oct Air Canada
01 Oct - 15 Oct Iberia

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

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