Earn point on your loyalty program!arrow arc left

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

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.
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.

Cheap flights from Chicago to Belfast in January , February 2026

19 Jan - 04 Feb $ 702.00
CHI
Chicago
Icelandair
2 STOPS
BFS
Belfast
BFS
Belfast
Icelandair
2 STOPS
CHI
Chicago
Pick dates
19 Jan - 11 Feb $ 702.00
CHI
Chicago
Icelandair
2 STOPS
BFS
Belfast
BFS
Belfast
Icelandair
2 STOPS
CHI
Chicago
Pick dates
19 Jan - 10 Feb $ 704.00
CHI
Chicago
Icelandair
2 STOPS
BFS
Belfast
BFS
Belfast
Icelandair
2 STOPS
CHI
Chicago
Pick dates

Last minute flights from Chicago to Belfast

25 Jan - 31 Jan $ 682.00
CHI
Chicago
Icelandair
2 STOPS
BFS
Belfast
BFS
Belfast
Icelandair
2 STOPS
CHI
Chicago
Pick dates
24 Jan - 31 Jan $ 735.00
CHI
Chicago
Icelandair
2 STOPS
BFS
Belfast
BFS
Belfast
Icelandair
2 STOPS
CHI
Chicago
Pick dates
25 Jan - 31 Jan $ 735.00
CHI
Chicago
Icelandair
2 STOPS
BFS
Belfast
BFS
Belfast
Icelandair
2 STOPS
CHI
Chicago
Pick dates

One-way flights to Belfast from Chicago

6:30 PM - 3:00 PM
easyJet
2 Stops
15h 30m
CHI - BFS
$ 239
Kiwi
Pick dates
6:30 PM - 12:40 PM
Aer Lingus
2 Stops
13h 20m
CHI - BFS
$ 253
Kiwi
Pick dates
6:30 PM - 12:40 PM
Aer Lingus
2 Stops
13h 20m
CHI - BFS
$ 253
Kiwi
Pick dates

How to find the cheapest flight from Chicago (CHI) 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 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.