Find flights
When to book
Airlines
FAQs

Cheap flights from Chicago to Northern Ireland from £249

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BFS
13 Jul — 20 Jul1
1 adult

Cheap 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 July 2025.

Round-trip from

£461

One-way from

£249
British Airways
  • British Airways
  • 1/10-8/10
  • 2 total stops
  • 27h 50m total
  • Chicago to Northern Ireland
Search Deals
20/7
  • 20/7
  • 2 total stops
  • 41h 31m total
  • Chicago to Northern Ireland
Search Deals

Find flight deals from Chicago to Northern Ireland

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 July 2025.

Wed 1/1017:40ORD - BHD
1 stop13h 50mBritish Airways
Wed 8/1006:50BHD - ORD
1 stop14h 00mBritish Airways
Deal found 7/7£461
Sun 3/822:30ORD - BHD
1 stop14h 15mAmerican Airlines
Tue 19/816:25BHD - ORD
1 stop25h 30mAmerican Airlines
Deal found 6/7£464
Tue 30/916:10ORD - BHD
2 stops19h 20mIberia
Wed 8/1006:50BHD - ORD
1 stop14h 00mIberia
Deal found 7/7£467
Wed 20/814:20ORD - BFS
2 stops19h 10mMultiple Airlines
Wed 27/806:25BFS - ORD
2 stops35h 45mMultiple Airlines
Deal found 6/7£505
Mon 29/916:50ORD - BHD
1 stop18h 05mDelta
Tue 7/1006:30BHD - ORD
1 stop13h 40mDelta
Deal found 7/7£521
Mon 29/918:15MDW - BHD
2 stops16h 40mDelta
Wed 8/1006:30BHD - MDW
2 stops18h 06mDelta
Deal found 7/7£532
Sun 3/814:00ORD - BHD
2 stops20h 55mMultiple Airlines
Tue 19/817:25BHD - ORD
1 stop27h 15mMultiple Airlines
Deal found 6/7£548
Fri 3/1017:00ORD - BHD
2 stops22h 15mVirgin Atlantic
Tue 7/1006:30BHD - ORD
1 stop13h 40mVirgin Atlantic
Deal found 5/7£568
Wed 13/818:42MDW - BHD
2 stops16h 13mKLM
Sun 24/806:30BHD - MDW
2 stops17h 07mKLM
Deal found 7/7£568
Fri 3/1018:49ORD - BHD
2 stops16h 06mKLM
Tue 7/1006:30BHD - ORD
1 stop13h 40mKLM
Deal found 6/7£606
Thu 2/1018:15MDW - BHD
2 stops16h 40mMultiple Airlines
Tue 7/1006:30BHD - MDW
2 stops15h 53mMultiple Airlines
Deal found 7/7£827

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 July 2025.
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 1/10

17:40-13:30

1 stop13h 50m

Belfast City

Wed 8/10

06:50-14:50

1 stop14h 00m

£461

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 3/8

22:30-18:45

1 stop14h 15m

Belfast City

Tue 19/8

16:25-11:55

1 stop25h 30m

£464

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 30/9

16:10-17:30

2 stops19h 20m

Belfast City

Wed 8/10

06:50-14:50

1 stop14h 00m

£467

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 20/8

14:20-15:30

2 stops19h 10m

Belfast Intl

Wed 27/8

06:25-12:10

2 stops35h 45m

£505

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 29/9

16:50-16:55

1 stop18h 05m

Belfast City

Tue 7/10

06:30-14:10

1 stop13h 40m

£521

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Mon 29/9

18:15-16:55

2 stops16h 40m

Belfast City

Wed 8/10

06:30-18:36

2 stops18h 06m

£532

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 3/8

14:00-16:55

2 stops20h 55m

Belfast City

Tue 19/8

17:25-14:40

1 stop27h 15m

£548

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 3/10

17:00-21:15

2 stops22h 15m

Belfast City

Tue 7/10

06:30-14:10

1 stop13h 40m

£568

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Wed 13/8

18:42-16:55

2 stops16h 13m

Belfast City

Sun 24/8

06:30-17:37

2 stops17h 07m

£568

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 3/10

18:49-16:55

2 stops16h 06m

Belfast City

Tue 7/10

06:30-14:10

1 stop13h 40m

£606

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 18 results
1
2

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.

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated 8 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andVirgin Atlantic from Chicago to Northern Ireland. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,963 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,963 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,368 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
653 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Iberia
7.0
Good
2,817 reviews
Delta
8.0
Very Good
7,963 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Chicago to Northern Ireland one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £276. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Chicago to Northern Ireland for a low price.

  • 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.

  • What is the cheapest month to book a flight from Chicago to Northern Ireland?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Northern Ireland (average of £67). Flying from Chicago to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Heathrow flights
O'Hare Intl to Gatwick flights
O'Hare Intl to London City flights
Midway to Heathrow flights
O'Hare Intl to Edinburgh flights
O'Hare Intl to Stansted flights
O'Hare Intl to Luton flights
St. Louis to Heathrow flights
O'Hare Intl to Manchester flights
O'Hare Intl to Glasgow Intl flights
St. Louis to Gatwick flights
Midway to Manchester flights
O'Hare Intl to Birmingham flights
St. Louis to Edinburgh flights
O'Hare Intl to Belfast Intl flights
Midway to Birmingham flights
O'Hare Intl to Cardiff flights
O'Hare Intl to Inverness flights
St. Louis to Manchester flights
O'Hare Intl to Newcastle upon Tyne flights
Peoria to Heathrow flights
St. Louis to Stansted flights
O'Hare Intl to Leeds flights
O'Hare Intl to Bristol flights
O'Hare Intl to Liverpool flights
O'Hare Intl to Aberdeen flights
Midway to Leeds flights
St. Louis to Glasgow Intl flights
St. Louis to Leeds flights
St. Louis to Inverness flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights