Cheapest return flights from Dublin to Washington in March from $448

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

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

Return flights

15 Mar - 23 Mar Icelandair
01 Mar - 18 Mar Icelandair
07 Mar - 13 Mar KLM
28 Mar - 07 Apr KLM
07 Mar - 13 Mar Aer Lingus direct
01 Mar - 18 Mar Aer Lingus direct
15 Mar - 23 Mar Aer Lingus direct
01 Mar - 31 Mar Air Canada

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

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