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Cheap flights from Chicago to Northern Ireland from £231

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 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BFS
3 ספט' — 10 ספט'1
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 29 אוגוסט 2025.

Round-trip from

£471

One-way from

£231
British Airways
  • British Airways
  • 15/10-22/10
  • 3 total stops
  • 29h 52m total
  • Chicago to Northern Ireland
Search Deals
25/9
  • 25/9
  • 3 total stops
  • 37h 19m 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 29 אוגוסט 2025.

ד' 15/1014:23ORD - BHD
2 stops17h 07mBritish Airways
ד' 22/1011:30BHD - ORD
1 stop12h 45mBritish Airways
Deal found 27/8£471
ד' 15/1015:10ORD - BHD
2 stops14h 45mMultiple Airlines
א' 26/1020:25BHD - ORD
1 stop26h 20mMultiple Airlines
Deal found 27/8£508
ד' 3/1221:45ORD - BHD
1 stop12h 50mBritish Airways
א' 7/1210:40BHD - ORD
1 stop14h 05mBritish Airways
Deal found 27/8£511
ד' 15/1016:40ORD - BHD
1 stop22h 35mKLM
ד' 22/1006:30BHD - ORD
1 stop14h 10mKLM
Deal found 27/8£523
ב' 20/1010:27ORD - BFS
3 stops27h 58mMultiple Airlines
ו' 24/1007:35BFS - ORD
3 stops38h 55mMultiple Airlines
Deal found 27/8£533
ה' 30/1018:10ORD - BHD
1 stop14h 50mBritish Airways
ש' 8/1106:35BHD - ORD
1 stop18h 10mBritish Airways
Deal found 28/8£534
ה' 30/1018:10ORD - BHD
1 stop11h 10mMultiple Airlines
ש' 8/1106:35BHD - ORD
2 stops17h 03mMultiple Airlines
Deal found 28/8£548
ו' 3/1016:15ORD - BHD
1 stop23h 00mVirgin Atlantic
ג' 7/1006:30BHD - ORD
1 stop13h 40mVirgin Atlantic
Deal found 26/8£568
ה' 30/1012:50ORD - BFS
3 stops27h 15mMultiple Airlines
ש' 8/1112:45BFS - ORD
3 stops32h 15mMultiple Airlines
Deal found 28/8£575
ו' 3/1013:08MDW - BHD
2 stops26h 07mVirgin Atlantic
ג' 7/1006:30BHD - MDW
2 stops17h 55mVirgin Atlantic
Deal found 28/8£577
ו' 17/1018:23MDW - BHD
2 stops16h 32mDelta
ג' 21/1017:25BHD - MDW
2 stops31h 00mDelta
Deal found 26/8£578
ש' 4/1015:50ORD - BFS
2 stops24h 40mMultiple Airlines
ו' 10/1006:30BFS - ORD
3 stops31h 48mMultiple Airlines
Deal found 28/8£645

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 29 אוגוסט 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

ד' 15/10

14:23-13:30

2 stops17h 07m

Belfast City

ד' 22/10

11:30-18:15

1 stop12h 45m

£471

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

ד' 15/10

15:10-11:55

2 stops14h 45m

Belfast City

א' 26/10

20:25-17:45

1 stop26h 20m

£508

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

ד' 3/12

21:45-16:35

1 stop12h 50m

Belfast City

א' 7/12

10:40-18:45

1 stop14h 05m

£511

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

ד' 15/10

16:40-21:15

1 stop22h 35m

Belfast City

ד' 22/10

06:30-14:40

1 stop14h 10m

£523

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

ב' 20/10

10:27-20:25

3 stops27h 58m

Belfast Intl

ו' 24/10

07:35-16:30

3 stops38h 55m

£533

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

ה' 30/10

18:10-14:00

1 stop14h 50m

Belfast City

ש' 8/11

06:35-18:45

1 stop18h 10m

£534

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

ה' 30/10

18:10-10:20

1 stop11h 10m

Belfast City

ש' 8/11

06:35-17:38

2 stops17h 03m

£548

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

ו' 3/10

16:15-21:15

1 stop23h 00m

Belfast City

ג' 7/10

06:30-14:10

1 stop13h 40m

£568

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

ה' 30/10

12:50-21:05

3 stops27h 15m

Belfast Intl

ש' 8/11

12:45-15:00

3 stops32h 15m

£575

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

ו' 17/10

09:35-21:15

2 stops29h 40m

Belfast City

ג' 21/10

17:25-17:43

2 stops30h 18m

£577

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 20 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.

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 17h 07m. 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.

  • 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

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Alternative routes for Chicago to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Chicago to Northern Ireland?

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

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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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