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Cheap flights from Chicago to Northern Ireland from £188

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BFS
30 Jul — 6 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chicago to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Chicago to Northern Ireland
Explore the most affordable flight options available from Chicago to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2026.

Tue 1/919:25
ORD
-
BHD
3 stops14h 50m
Multiple Airlines
Tue 8/910:50
BHD
-
ORD
3 stops40h 35m
Multiple Airlines
Deal found 29/6£533
Tue 1/919:25
ORD
-
BFS
3 stops21h 20m
Multiple Airlines
Tue 8/922:30
BFS
-
ORD
3 stops44h 10m
Multiple Airlines
Deal found 29/6£540
Sun 6/917:35
ORD
-
BFS
2 stops18h 50m
Multiple Airlines
Wed 16/908:30
BFS
-
ORD
3 stops42h 50m
Multiple Airlines
Deal found 26/6£580
Mon 17/819:25
ORD
-
BFS
3 stops21h 55m
Multiple Airlines
Wed 9/910:50
BFS
-
ORD
3 stops40h 30m
Multiple Airlines
Deal found 29/6£583
Mon 30/1118:30
ORD
-
BFS
2 stops15h 45m
Multiple Airlines
Mon 7/1222:05
BFS
-
ORD
3 stops47h 25m
Multiple Airlines
Deal found 27/6£601
Sat 29/819:25
ORD
-
BFS
3 stops21h 40m
Multiple Airlines
Sun 13/916:10
BFS
-
ORD
3 stops33h 38m
Multiple Airlines
Deal found 26/6£617
Mon 3/819:25
ORD
-
BFS
3 stops21h 55m
Multiple Airlines
Tue 18/808:50
BFS
-
ORD
3 stops42h 30m
Multiple Airlines
Deal found 26/6£621
Wed 12/808:40
ORD
-
BFS
3 stops28h 35m
Multiple Airlines
Mon 17/820:35
BFS
-
ORD
2 stops28h 40m
Multiple Airlines
Deal found 27/6£630
Wed 7/1017:00
ORD
-
BHD
1 stop14h 35m
British Airways
Wed 21/1006:30
BHD
-
ORD
1 stop15h 25m
British Airways
Deal found 26/6£653
Wed 21/1017:00
ORD
-
BHD
1 stop13h 00m
British Airways
Mon 26/1017:45
BHD
-
ORD
1 stop27h 35m
British Airways
Deal found 26/6£664
Sun 4/1021:15
ORD
-
BHD
1 stop11h 20m
British Airways
Tue 20/1012:40
BHD
-
ORD
1 stop11h 35m
British Airways
Deal found 26/6£666
Wed 7/1021:05
ORD
-
BHD
1 stop12h 35m
American Airlines
Wed 21/1010:05
BHD
-
ORD
2 stops15h 21m
American Airlines
Deal found 26/6£672

Find flight deals from Chicago to Northern Ireland

Keep the following information in mind while searching for Chicago to Northern Ireland flight deals. Data was last updated 30 June 2026.

Round-trip from

£533

One-way from

£188
1/9-8/9
  • 1/9-8/9
  • 6 total stops
  • 55h 25m total
  • Chicago to Northern Ireland
Search Deals
26/7
  • 26/7
  • 3 total stops
  • 20h 05m total
  • Chicago to Northern Ireland
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Chicago to Northern Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 June 2026.
Use the filters below to find and compare flights from Chicago to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 17/8

19:25-23:20

3 stops21h 55m

Belfast Intl

Wed 9/9

10:50-21:20

3 stops40h 30m

£583

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 1/9

19:25-23:20

3 stops21h 55m

Belfast Intl

Tue 8/9

06:40-21:25

2 stops20h 45m

£594

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 30/11

18:30-16:15

2 stops15h 45m

Belfast Intl

Mon 7/12

22:05-15:30

3 stops47h 25m

£601

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sat 29/8

19:25-23:05

3 stops21h 40m

Belfast Intl

Sun 13/9

16:10-19:48

3 stops33h 38m

£617

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 3/8

19:25-23:20

3 stops21h 55m

Belfast Intl

Tue 18/8

08:50-21:20

3 stops42h 30m

£621

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 24/8

19:25-22:15

2 stops20h 50m

Belfast Intl

Fri 28/8

14:05-16:05

2 stops32h 00m

£630

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 6/9

09:50-18:25

2 stops26h 35m

Belfast Intl

Wed 16/9

06:15-19:15

2 stops19h 00m

£645

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 7/10

19:25-17:05

2 stops15h 40m

Belfast Intl

Wed 21/10

08:30-19:15

3 stops40h 45m

£647

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 6/10

17:00-10:45

1 stop11h 45m

Belfast City

Thu 22/10

12:45-18:15

1 stop11h 30m

£666

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 4/10

08:25-09:20

2 stops18h 55m

Belfast City

Tue 20/10

17:30-14:30

1 stop27h 00m

£683

Flights are sorted by cheapest return flights first.

Deals found on 26/6

Showing 1-10 of 37 resultsSorted by cheapest first
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Best time to book a flight from Chicago to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Chicago with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Northern Ireland
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago to Northern Ireland?

    Departing from Chicago to Northern Ireland will take you 11h 45m. The distance from Chicago to Northern Ireland is about 3644 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Chicago to Northern Ireland?

    The most popular flight routes from Chicago to Northern Ireland are Chicago O'Hare Intl - Belfast Intl, Chicago O'Hare Intl - Belfast City and Chicago Midway - Belfast City.

  • Can I find deals for flights from Chicago to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Chicago to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Northern Ireland.

  • Can I find deals for business class flights from Chicago to Northern Ireland?

    Yes. Cheapflights offers flight deals from Chicago to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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How does Cheapflights help users find flights from Chicago to Northern Ireland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Chicago to Northern Ireland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Northern Ireland?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Northern Ireland from Chicago.

Can Cheapflights find flights from Chicago to Northern Ireland with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Chicago to Northern Ireland flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Chicago to Northern Ireland become cheaper?

Not ready to book yet? You can track prices for flights from Chicago to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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