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Cheap flights from Chicago to Northern Ireland from £219

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BFS
16 Aug — 23 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 17 July 2026.

Sat 29/819:25
ORD
-
BFS
2 stops20h 50m
Multiple Airlines
Sat 5/921:30
BFS
-
ORD
3 stops29h 55m
Multiple Airlines
Deal found 14/7£558
Thu 5/1118:30
ORD
-
BFS
2 stops18h 40m
Multiple Airlines
Thu 12/1109:25
BFS
-
ORD
3 stops36h 05m
Multiple Airlines
Deal found 13/7£574
Wed 4/1118:30
ORD
-
BFS
2 stops21h 50m
Multiple Airlines
Tue 10/1108:25
BFS
-
ORD
3 stops37h 05m
Multiple Airlines
Deal found 13/7£575
Sun 4/1022:25
ORD
-
BFS
2 stops16h 35m
Multiple Airlines
Sat 10/1015:35
BFS
-
ORD
3 stops30h 35m
Multiple Airlines
Deal found 15/7£594
Thu 27/819:25
ORD
-
BFS
2 stops14h 25m
Multiple Airlines
Thu 3/920:55
BFS
-
ORD
3 stops47h 05m
Multiple Airlines
Deal found 13/7£601
Wed 26/819:25
ORD
-
BFS
3 stops21h 50m
Multiple Airlines
Wed 2/908:20
BFS
-
ORD
3 stops43h 00m
Multiple Airlines
Deal found 12/7£601
Tue 1/922:25
ORD
-
BHD
2 stops13h 25m
Multiple Airlines
Sun 6/907:00
BHD
-
ORD
2 stops20h 25m
Multiple Airlines
Deal found 13/7£605
Sun 4/1019:25
ORD
-
BFS
2 stops19h 35m
Multiple Airlines
Fri 9/1006:15
BFS
-
ORD
3 stops39h 55m
Multiple Airlines
Deal found 13/7£611
Wed 4/1121:50
ORD
-
BHD
1 stop10h 25m
Multiple Airlines
Tue 10/1112:05
BHD
-
ORD
3 stops33h 25m
Multiple Airlines
Deal found 13/7£615
Fri 28/822:25
ORD
-
BFS
2 stops17h 25m
Multiple Airlines
Fri 4/918:35
BFS
-
ORD
2 stops32h 50m
Multiple Airlines
Deal found 14/7£624
Wed 26/809:50
ORD
-
BHD
2 stops20h 00m
Multiple Airlines
Wed 2/914:45
BHD
-
ORD
3 stops36h 35m
Multiple Airlines
Deal found 12/7£638
Thu 27/819:25
ORD
-
BHD
3 stops19h 25m
Multiple Airlines
Thu 3/911:50
BHD
-
ORD
3 stops39h 30m
Multiple Airlines
Deal found 13/7£640

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 July 2026.

Round-trip from

£558

One-way from

£219
29/8-5/9
  • 29/8-5/9
  • 5 total stops
  • 50h 45m total
  • Chicago to Northern Ireland
Search Deals
17/8
  • 17/8
  • 2 total stops
  • 31h 04m 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 July 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

Sun 4/10

22:25-21:00

2 stops16h 35m

Belfast Intl

Sat 10/10

15:35-16:10

3 stops30h 35m

£594

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 5/11

18:30-18:55

3 stops18h 25m

Belfast Intl

Thu 12/11

18:35-17:20

3 stops28h 45m

£598

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 27/8

19:25-15:50

2 stops14h 25m

Belfast Intl

Thu 3/9

20:55-14:00

3 stops47h 05m

£601

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 26/8

15:45-21:45

2 stops24h 00m

Belfast Intl

Wed 2/9

08:20-21:20

3 stops43h 00m

£608

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 4/10

19:25-21:00

2 stops19h 35m

Belfast Intl

Fri 9/10

06:15-16:10

3 stops39h 55m

£611

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 26/8

09:50-11:50

2 stops20h 00m

Belfast City

Wed 2/9

14:45-21:20

3 stops36h 35m

£638

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 7/9

19:25-16:15

2 stops14h 50m

Belfast Intl

Fri 18/9

21:05-16:58

2 stops25h 53m

£650

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 4/11

16:26-14:35

2 stops16h 09m

Belfast City

Tue 10/11

11:25-18:45

1 stop13h 20m

£659

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 7/10

13:31-12:00

2 stops16h 29m

Belfast City

Wed 21/10

10:05-15:55

1 stop11h 50m

£699

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 7/9

16:14-15:30

2 stops17h 16m

Belfast City

Fri 18/9

09:35-15:55

1 stop12h 20m

£699

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 38 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 13h 55m. The distance from Chicago to Northern Ireland is about 3647 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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