Cheapest return flights from Washington to Dublin in May from $548

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 May 2025 (see full year).

Return flights

06 May - 15 May Air France
06 May - 16 May Air France
04 May - 11 May KLM
08 May - 15 May Delta
11 May - 18 May Delta
15 May - 20 May Delta
01 May - 08 May American Airlines
10 May - 17 May Air France
08 May - 11 May Delta
08 May - 18 May Delta
31 May - 10 Jun jetBlue
29 May - 05 Jun jetBlue
29 May - 03 Jun Delta
25 May - 01 Jun jetBlue
30 May - 10 Jun KLM
31 May - 07 Jun Delta

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

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin