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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 September , October 2026

28 Sep - 27 Oct $ 809.00
CHI
Chicago
Finnair
2 STOPS
BFS
Belfast
BFS
Belfast
Finnair
3 STOPS
CHI
Chicago
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29 Sep - 27 Oct $ 813.00
CHI
Chicago
Finnair
2 STOPS
BFS
Belfast
BFS
Belfast
Finnair
3 STOPS
CHI
Chicago
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28 Sep - 31 Oct $ 926.00
CHI
Chicago
Aer Lingus
2 STOPS
BFS
Belfast
BFS
Belfast
Aer Lingus
2 STOPS
CHI
Chicago
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Last minute flights from Chicago to Belfast

22 Sep - 30 Sep $ 931.00
CHI
Chicago
Icelandair
2 STOPS
BFS
Belfast
BFS
Belfast
Icelandair
2 STOPS
CHI
Chicago
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22 Sep - 30 Sep $ 942.00
CHI
Chicago
Icelandair
2 STOPS
BFS
Belfast
BFS
Belfast
Icelandair
2 STOPS
CHI
Chicago
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22 Sep - 30 Sep $ 973.00
CHI
Chicago
Icelandair
2 STOPS
BFS
Belfast
BFS
Belfast
Icelandair
2 STOPS
CHI
Chicago
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One-way flights to Belfast from Chicago

7:25 PM - 2:35 PM
easyJet
2 Stops
14h 10m
CHI - BFS
$ 354
Kiwi
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7:25 PM - 3:05 PM
easyJet
2 Stops
14h 35m
CHI - BFS
$ 358
Kiwi
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7:25 PM - 3:25 PM
easyJet
2 Stops
15h
CHI - BFS
$ 358
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)
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 Chicago (CHI) to Belfast (BFS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.