Cheapest one-way flights from Seattle to Dublin in May from 359€

Best time to book flights for Seattle (SEA) to Dublin (DUB) flights at AirHint

AirHint found the following cheapest one-way flights from Seattle (SEA) to Dublin (DUB) in May 2025 (see full year).

One-Way flights

10 May Frontier Airlines
15 May Frontier Airlines
27 May WestJet
31 May WestJet
20 May United
21 May Air Canada
10 May Aer Lingus direct
20 May American Airlines direct
15 May American Airlines direct
27 May Aer Lingus direct

Also check the deals for return flights from Seattle 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.

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