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Cheap flights from Chicago to Northern Ireland from £240

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BFS
10 Mar — 17 Mar1
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 8 February 2026.

Tue 10/218:25
ORD
-
BHD
1 stop11h 05m
American Airlines
Wed 18/206:35
BHD
-
ORD
1 stop14h 50m
American Airlines
Deal found 5/2£482
Wed 11/218:25
ORD
-
BHD
1 stop16h 10m
American Airlines
Wed 4/309:15
BHD
-
ORD
1 stop12h 10m
American Airlines
Deal found 6/2£490
Thu 12/220:35
ORD
-
BHD
1 stop11h 25m
American Airlines
Wed 18/209:15
BHD
-
ORD
1 stop12h 10m
American Airlines
Deal found 7/2£518
Sun 20/919:05
ORD
-
BHD
1 stop13h 30m
British Airways
Sun 4/1020:10
BHD
-
ORD
1 stop25h 45m
British Airways
Deal found 6/2£524
Wed 4/317:10
ORD
-
BHD
1 stop32h 20m
British Airways
Sun 8/310:40
BHD
-
ORD
1 stop33h 10m
British Airways
Deal found 4/2£528
Wed 29/417:55
ORD
-
BHD
1 stop12h 05m
American Airlines
Sun 3/506:30
BHD
-
ORD
1 stop14h 25m
American Airlines
Deal found 7/2£530
Tue 24/316:45
ORD
-
BFS
2 stops18h 15m
Multiple Airlines
Tue 31/307:35
BFS
-
ORD
2 stops17h 40m
Multiple Airlines
Deal found 7/2£531
Wed 29/419:16
MDW
-
BHD
2 stops15h 39m
Air Europa
Sun 3/509:50
BHD
-
MDW
2 stops18h 38m
Air Europa
Deal found 7/2£556
Mon 23/317:20
ORD
-
BFS
3 stops21h 55m
Multiple Airlines
Mon 30/308:40
BFS
-
ORD
3 stops34h 40m
Multiple Airlines
Deal found 6/2£602
Tue 10/216:05
ORD
-
BFS
2 stops22h 10m
Multiple Airlines
Wed 18/207:55
BFS
-
ORD
2 stops16h 30m
Multiple Airlines
Deal found 5/2£654
Sun 20/919:25
ORD
-
BFS
3 stops21h 10m
Multiple Airlines
Sun 4/1006:10
BFS
-
ORD
3 stops21h 15m
Multiple Airlines
Deal found 6/2£698
Fri 29/508:45
ORD
-
BFS
3 stops25h 45m
Multiple Airlines
Tue 30/606:00
BFS
-
ORD
3 stops38h 30m
Multiple Airlines
Deal found 8/2£744

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 8 February 2026.

Round-trip from

£528

One-way from

£240
British Airways
  • British Airways
  • 4/3-8/3
  • 2 total stops
  • 65h 30m total
  • Chicago to Northern Ireland
Search Deals
Aer Lingus
  • Aer Lingus
  • 13/4
  • 2 total stops
  • 14h 10m 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 8 February 2026.
Use the filters below to find and compare flights from Chicago to Northern Ireland that are best for you.

Fly from

Chicago

Fly to

Northern Ireland

Route

Depart

Return

Price

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 4/3

17:10-07:30

1 stop32h 20m

Belfast City

Sun 8/3

10:40-14:50

1 stop33h 10m

£528

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 29/4

17:55-12:00

1 stop12h 05m

Belfast City

Sun 3/5

06:30-14:55

1 stop14h 25m

£530

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 24/3

16:45-16:00

2 stops18h 15m

Belfast Intl

Tue 31/3

07:35-19:15

2 stops17h 40m

£531

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Wed 29/4

19:16-16:55

2 stops15h 39m

Belfast City

Sun 3/5

09:50-22:28

2 stops18h 38m

£556

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 23/3

17:20-20:15

3 stops21h 55m

Belfast Intl

Mon 30/3

08:40-13:20

3 stops34h 40m

£602

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 18/3

18:54-16:30

2 stops16h 36m

Belfast City

Sun 22/3

20:25-19:56

2 stops28h 31m

£626

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 29/5

08:45-16:30

3 stops25h 45m

Belfast Intl

Tue 30/6

06:00-14:30

3 stops38h 30m

£744

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 3/7

14:20-21:00

2 stops24h 40m

Belfast Intl

Fri 10/7

07:05-18:15

2 stops17h 10m

£877

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 22/3

07:15-18:55

3 stops30h 40m

Belfast Intl

Sun 29/3

06:10-19:50

2 stops19h 40m

£895

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 19/7

21:00-23:10

2 stops20h 10m

Belfast Intl

Sat 25/7

07:50-16:00

3 stops38h 10m

£911

Flights are sorted by cheapest return flights first.

Deals found on 5/2

Showing 1-10 of 18 results
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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 12h 05m. 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 Intl.

  • 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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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.

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