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Cheap flights from Portland (PDX) to Belfast (BFS)

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How to find the cheapest flight from Portland (PDX) to Belfast (BFS)

How to find the cheapest flight from Portland (PDX) to Belfast (BFS)
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How to find the cheapest flight from Portland (PDX) to Belfast (BFS)
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How to find the cheapest flight from Portland (PDX) to Belfast (BFS)
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Cheap flights from Portland to Belfast in December 2025 , January 2026

31 Dec - 24 Jan $ 1,048.00
PDX
Portland
Alaska Airlines
3 STOPS
BFS
Belfast
BFS
Belfast
Alaska Airlines
3 STOPS
PDX
Portland
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31 Dec - 24 Jan $ 1,055.00
PDX
Portland
Alaska Airlines
3 STOPS
BFS
Belfast
BFS
Belfast
Alaska Airlines
3 STOPS
PDX
Portland
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31 Dec - 17 Jan $ 1,055.00
PDX
Portland
Alaska Airlines
3 STOPS
BFS
Belfast
BFS
Belfast
Alaska Airlines
3 STOPS
PDX
Portland
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Last minute flights from Portland to Belfast

29 Dec - 02 Jan $ 1,834.00
PDX
Portland
WestJet
3 STOPS
BFS
Belfast
BFS
Belfast
WestJet
3 STOPS
PDX
Portland
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15 Dec - 02 Jan $ 1,912.00
PDX
Portland
WestJet
2 STOPS
BFS
Belfast
BFS
Belfast
WestJet
3 STOPS
PDX
Portland
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15 Dec - 01 Jan $ 2,011.00
PDX
Portland
Frontier Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
3 STOPS
PDX
Portland
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One-way flights to Belfast from Portland

10:45 AM - 3:25 PM
Aer Lingus
3 Stops
21h 35m
PDX - BFS
$ 551
Kiwi
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10:45 AM - 12:00 PM
Aer Lingus
3 Stops
18h 10m
PDX - BFS
$ 572
Kiwi
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10:45 AM - 11:55 AM
easyJet
3 Stops
18h 5m
PDX - BFS
$ 578
Kiwi
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How to find the cheapest flight from Portland (PDX) to Belfast (BFS)

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How to find the cheapest flight from Portland (PDX) to Belfast (BFS)
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How to find the cheapest flight from Portland (PDX) to Belfast (BFS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.