Cheapest return flights from Seattle to Dublin in May from 392€

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

Return flights

06 May - 13 May Air Canada
01 May - 08 May Lufthansa
03 May - 10 May Lufthansa
06 May - 13 May Aer Lingus direct
07 May - 14 May Air Canada
25 May - 01 Jun Air Canada
03 May - 10 May Aer Lingus direct
02 May - 09 May Lufthansa
26 May - 05 Jun Lufthansa
19 May - 26 May Aer Lingus direct
20 May - 27 May Aer Lingus direct
01 May - 08 May Aer Lingus direct
27 May - 03 Jun Aer Lingus direct
25 May - 02 Jun Aer Lingus direct
24 May - 02 Jun Aer Lingus direct
26 May - 05 Jun Aer Lingus direct
24 May - 01 Jun Lufthansa
25 May - 01 Jun Aer Lingus direct
22 May - 19 Jun Aer Lingus direct
24 May - 01 Jun Aer Lingus direct

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

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