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Cheap flights from Chicago (CHI) to Belfast (BFS)

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How to find the cheapest flight from Chicago (CHI) to Belfast (BFS)

How to find the cheapest flight from Chicago (CHI) to Belfast (BFS)
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How to find the cheapest flight from Chicago (CHI) to Belfast (BFS)
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How to find the cheapest flight from Chicago (CHI) to Belfast (BFS)
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Cheap flights from Chicago to Belfast in November , December 2025

26 Nov - 12 Dec $ 872.00
CHI
Chicago
Frontier Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
CHI
Chicago
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27 Nov - 12 Dec $ 888.00
CHI
Chicago
Frontier Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
CHI
Chicago
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25 Nov - 12 Dec $ 914.00
CHI
Chicago
Frontier Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
CHI
Chicago
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Last minute flights from Chicago to Belfast

26 Nov - 01 Dec $ 1,039.00
CHI
Chicago
WestJet
2 STOPS
BFS
Belfast
BFS
Belfast
WestJet
3 STOPS
CHI
Chicago
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27 Nov - 01 Dec $ 1,056.00
CHI
Chicago
WestJet
2 STOPS
BFS
Belfast
BFS
Belfast
WestJet
3 STOPS
CHI
Chicago
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25 Nov - 01 Dec $ 1,082.00
CHI
Chicago
WestJet
2 STOPS
BFS
Belfast
BFS
Belfast
WestJet
3 STOPS
CHI
Chicago
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One-way flights to Belfast from Chicago

6:30 PM - 2:30 PM
easyJet
2 Stops
15h
CHI - BFS
$ 334
Kiwi
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6:30 PM - 3:10 PM
easyJet
2 Stops
15h 35m
CHI - BFS
$ 340
Kiwi
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6:30 PM - 3:25 PM
easyJet
2 Stops
15h 50m
CHI - BFS
$ 350
Kiwi
Pick dates

How to find the cheapest flight from Chicago (CHI) to Belfast (BFS)

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