Cheapest return flights from Seattle to Dublin in March from 399€

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

Return flights

25 Mar - 01 Apr Aer Lingus direct
05 Mar - 12 Mar United
13 Mar - 20 Mar United
13 Mar - 29 Mar United
20 Mar - 28 Mar British Airways
15 Mar - 22 Mar United
13 Mar - 29 Mar Aer Lingus direct
13 Mar - 20 Mar Aer Lingus direct
15 Mar - 22 Mar Aer Lingus direct

Also check the deals for one-way flights from Seattle 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.

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