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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 May , June 2026

29 May - 09 Jun $ 1,201.00
CHI
Chicago
Frontier Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
Frontier Airlines
2 STOPS
CHI
Chicago
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29 May - 08 Jun $ 1,230.00
CHI
Chicago
JetBlue Airways
2 STOPS
BFS
Belfast
BFS
Belfast
JetBlue Airways
2 STOPS
CHI
Chicago
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29 May - 09 Jun $ 1,242.00
CHI
Chicago
JetBlue Airways
2 STOPS
BFS
Belfast
BFS
Belfast
JetBlue Airways
2 STOPS
CHI
Chicago
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Last minute flights from Chicago to Belfast

27 May - 01 Jun $ 1,476.00
CHI
Chicago
Virgin Atlantic Airways
2 STOPS
BFS
Belfast
BFS
Belfast
Virgin Atlantic Airways
2 STOPS
CHI
Chicago
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27 May - 31 May $ 1,484.00
CHI
Chicago
Air France
2 STOPS
BFS
Belfast
BFS
Belfast
Air France
2 STOPS
CHI
Chicago
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27 May - 31 May $ 1,503.00
CHI
Chicago
KLM Royal Dutch Airlines
2 STOPS
BFS
Belfast
BFS
Belfast
KLM Royal Dutch Airlines
2 STOPS
CHI
Chicago
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One-way flights to Belfast from Chicago

8:50 AM - 4:35 PM
easyJet
3 Stops
26h 35m
CHI - BFS
$ 614
Kiwi
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7:25 PM - 8:10 PM
Aer Lingus
2 Stops
19h 35m
CHI - BFS
$ 626
Kiwi
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7:25 PM - 9:05 PM
easyJet
2 Stops
20h 25m
CHI - BFS
$ 640
Kiwi
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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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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.