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Cheap flights from Philadelphia (PHL) to Belfast (BFS)

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How to find the cheapest flight from Philadelphia (PHL) to Belfast (BFS)

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

31 Dec - 12 Jan $ 916.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
PHL
Philadelphia
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31 Dec - 12 Jan $ 921.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
PHL
Philadelphia
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30 Dec - 12 Jan $ 938.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
PHL
Philadelphia
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Last minute flights from Philadelphia to Belfast

30 Dec - 01 Jan $ 1,337.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
3 STOPS
PHL
Philadelphia
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30 Dec - 01 Jan $ 1,389.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
PHL
Philadelphia
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29 Dec - 01 Jan $ 1,414.00
PHL
Philadelphia
Frontier Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
PHL
Philadelphia
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One-way flights to Belfast from Philadelphia

5:30 PM - 5:45 PM
easyJet
2 Stops
20h 10m
PHL - BFS
$ 480
Kiwi
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9:15 PM - 3:25 PM
Aer Lingus
2 Stops
14h 5m
PHL - BFS
$ 509
Kiwi
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5:30 PM - 11:35 AM
Aer Lingus
2 Stops
14h 20m
PHL - BFS
$ 513
Kiwi
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How to find the cheapest flight from Philadelphia (PHL) to Belfast (BFS)

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