Cheapest return flights from Seattle to Dublin in May from 336€

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

Return flights

09 May - 16 May Icelandair
08 May - 15 May Icelandair
19 May - 26 May Aer Lingus direct
24 May - 02 Jun Aer Lingus direct
12 May - 19 May Aer Lingus direct
06 May - 13 May Aer Lingus direct
05 May - 12 May Aer Lingus direct
10 May - 17 May Air Canada
08 May - 15 May Aer Lingus direct
01 May - 08 May Aer Lingus direct
03 May - 10 May Aer Lingus direct
31 May - 08 Jun British Airways
28 May - 08 Jun Lufthansa
29 May - 08 Jun Lufthansa
31 May - 08 Jun Aer Lingus direct
29 May - 08 Jun Iberia direct
28 May - 08 Jun Aer Lingus direct

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

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