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AC
Air Canada
LH
Lufthansa
LX
Swiss International Air Lines
OS
Austrian Airlines
UA
United Airlines
One Way
•
Economy
PDX
Portland International Airport
Portland, United States
SNN
Shannon Airport
Shannon, Ireland
$531 USD
-29%
$376
USD
Verified Apr 8, 2026 at 4:45 PM
May 2026
Today
Mon
Tue
Wed
Thu
Fri
Sat
Sun
27
$557
28
$575
29
$643
30
$673
1
$607
2
$557
3
$557
4
$557
5
$557
6
$607
7
$607
8
$607
9
$557
10
$557
11
$557
12
$557
13
$557
14
$810
15
$656
16
$619
17
$649
18
$596
19
$685
20
$676
21
$668
22
$650
23
$590
24
$590
25
$590
26
$590
27
$590
28
$650
29
$650
30
$590
31
$590
Limited Availability
18% of dates checked are available within 10% of the lowest price
Saturday, May 9th, 2026
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