Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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

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.
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.

Cheap flights from Philadelphia to Belfast in September , October 2026

29 Sep - 30 Oct $ 1,039.00
PHL
Philadelphia
Frontier Airlines
3 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
PHL
Philadelphia
Pick dates
29 Sep - 30 Oct $ 1,055.00
PHL
Philadelphia
Frontier Airlines
3 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
PHL
Philadelphia
Pick dates
29 Sep - 29 Oct $ 1,099.00
PHL
Philadelphia
Frontier Airlines
3 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
PHL
Philadelphia
Pick dates

Last minute flights from Philadelphia to Belfast

29 Sep - 01 Oct $ 1,470.00
PHL
Philadelphia
JetBlue Airways
3 STOPS
BFS
Belfast
BFS
Belfast
JetBlue Airways
3 STOPS
PHL
Philadelphia
Pick dates
29 Sep - 01 Oct $ 1,488.00
PHL
Philadelphia
Frontier Airlines
3 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
3 STOPS
PHL
Philadelphia
Pick dates
29 Sep - 01 Oct $ 1,644.00
PHL
Philadelphia
JetBlue Airways
2 STOPS
BFS
Belfast
BFS
Belfast
JetBlue Airways
3 STOPS
PHL
Philadelphia
Pick dates

One-way flights to Belfast from Philadelphia

9:30 AM - 12:35 PM
easyJet
3 Stops
22h 55m
PHL - BFS
$ 507
Kiwi
Pick dates
8:25 PM - 2:05 PM
Aer Lingus
2 Stops
13h 35m
PHL - BFS
$ 701
Kiwi
Pick dates
8:25 PM - 5:05 PM
Aer Lingus
2 Stops
16h 35m
PHL - BFS
$ 701
Kiwi
Pick dates

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

Related info for your journey
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.
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.