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Cheap flights from Chicago to Northern Ireland from £204

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BFS
19 Mar — 26 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 17 February 2026.

Mon 4/519:05
ORD
-
BHD
1 stop14h 25m
British Airways
Mon 11/519:35
BHD
-
ORD
1 stop24h 15m
British Airways
Deal found 15/2£488
Sun 29/319:05
ORD
-
BHD
1 stop31h 45m
British Airways
Tue 14/418:20
BHD
-
ORD
1 stop25h 30m
British Airways
Deal found 14/2£496
Sun 3/521:15
ORD
-
BHD
1 stop28h 20m
British Airways
Mon 11/519:35
BHD
-
ORD
1 stop24h 15m
British Airways
Deal found 15/2£496
Tue 5/515:16
ORD
-
BHD
2 stops18h 04m
British Airways
Wed 13/520:35
BHD
-
ORD
1 stop23h 15m
British Airways
Deal found 15/2£501
Wed 6/516:50
ORD
-
BHD
1 stop18h 05m
Delta
Thu 14/517:30
BHD
-
ORD
1 stop26h 45m
Delta
Deal found 15/2£503
Mon 30/316:50
ORD
-
BHD
1 stop10h 30m
Delta
Tue 14/417:30
BHD
-
ORD
1 stop27h 00m
Delta
Deal found 14/2£504
Mon 4/519:05
ORD
-
BHD
1 stop14h 25m
British Airways
Tue 12/506:30
BHD
-
ORD
2 stops19h 54m
British Airways
Deal found 15/2£504
Mon 30/313:57
ORD
-
BHD
2 stops20h 58m
Delta
Thu 9/417:30
BHD
-
ORD
1 stop26h 45m
Delta
Deal found 14/2£507
Wed 6/516:50
ORD
-
BHD
1 stop18h 05m
KLM
Mon 11/517:30
BHD
-
ORD
1 stop26h 45m
KLM
Deal found 15/2£510
Mon 30/307:00
ORD
-
BHD
2 stops20h 20m
Delta
Wed 8/409:50
BHD
-
ORD
2 stops18h 26m
Delta
Deal found 14/2£514
Wed 6/516:50
ORD
-
BHD
1 stop10h 30m
Delta
Tue 12/509:50
BHD
-
ORD
2 stops18h 45m
Delta
Deal found 15/2£516
Mon 4/519:05
ORD
-
BHD
1 stop14h 25m
British Airways
Sun 10/519:10
BHD
-
ORD
1 stop24h 40m
British Airways
Deal found 15/2£525

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 17 February 2026.

Round-trip from

£488

One-way from

£204
British Airways
  • British Airways
  • 4/5-11/5
  • 2 total stops
  • 38h 40m total
  • Chicago to Northern Ireland
Search Deals
18/3
  • 18/3
  • 3 total stops
  • 41h 17m 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 17 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

Mon 4/5

19:05-15:30

1 stop14h 25m

Belfast City

Tue 12/5

20:25-13:50

1 stop23h 25m

£488

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 4/5

19:05-15:30

1 stop14h 25m

Belfast City

Mon 11/5

19:35-13:50

1 stop24h 15m

£488

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 4/5

19:05-15:30

1 stop14h 25m

Belfast City

Thu 14/5

06:30-15:55

1 stop15h 25m

£488

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 29/3

19:05-08:50

1 stop31h 45m

Belfast City

Tue 14/4

18:20-13:50

1 stop25h 30m

£496

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 3/5

21:15-07:35

1 stop28h 20m

Belfast City

Wed 13/5

19:40-13:50

1 stop24h 10m

£496

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 5/5

15:16-15:20

2 stops18h 04m

Belfast City

Tue 12/5

06:30-18:15

1 stop17h 45m

£501

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 6/5

16:50-16:55

1 stop18h 05m

Belfast City

Thu 14/5

17:30-14:15

1 stop26h 45m

£503

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 30/3

13:57-16:55

2 stops20h 58m

Belfast City

Tue 14/4

17:30-14:30

1 stop27h 00m

£507

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 6/5

16:50-16:55

1 stop18h 05m

Belfast City

Wed 13/5

09:50-22:35

2 stops18h 45m

£510

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 30/3

07:00-09:20

2 stops20h 20m

Belfast City

Wed 8/4

09:50-22:16

2 stops18h 26m

£514

Flights are sorted by cheapest return flights first.

Deals found on 14/2

Showing 1-10 of 53 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 14h 25m. 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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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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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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