Cheapest return flights from Washington to Dublin in March from $430

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

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

Return flights

05 Mar - 08 Mar Scandinavian Airlines
05 Mar - 08 Mar Aer Lingus direct
26 Mar - 30 Mar Icelandair
06 Mar - 15 Mar Icelandair
04 Mar - 07 Mar TAP
06 Mar - 15 Mar Aer Lingus direct
04 Mar - 07 Mar United direct

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

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