AirHint found the following cheapest return flights from Seattle (SEA) to Dublin (DUB)
in May 2025 (see full year ).
Return flights
20 May
- 05 Jun
Icelandair
$ 638
26 May
- 11 Jun
Air Canada
$ 641
28 May
- 04 Jun
Air Canada
$ 642
05 May
- 20 May
Icelandair
$ 661
11 May
- 17 May
Icelandair
$ 665
30 May
- 05 Jun
WestJet
$ 675
12 May
- 19 May
Icelandair
$ 677
09 May
- 12 May
jetBlue
$ 701
05 May
- 20 May
Aer Lingus
$ 714
direct
26 May
- 11 Jun
Aer Lingus
$ 733
direct
20 May
- 05 Jun
Aer Lingus
$ 757
direct
12 May
- 19 May
Aer Lingus
$ 760
direct
16 May
- 18 May
Frontier Airlines
$ 763
11 May
- 17 May
Aer Lingus
$ 765
direct
26 May
- 02 Jun
Aer Lingus
$ 793
direct
29 May
- 05 Jun
Aer Lingus
$ 793
direct
20 May
- 27 May
Aer Lingus
$ 795
direct
04 May
- 11 May
Frontier Airlines
$ 796
30 May
- 05 Jun
Aer Lingus
$ 807
direct
19 May
- 01 Jun
Air Canada
$ 820
Also check the deals for one-way flights from Seattle to Dublin in May .
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.
