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Cheap flights from Chicago O'Hare Intl Airport to Northern Ireland from £176

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 14/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BFS
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from O'Hare Intl to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to Northern Ireland
Explore the most affordable flight options available from O'Hare Intl to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Thu 4/1218:35ORD - BHD
1 stop13h 25mAmerican Airlines
Wed 10/1206:35BHD - ORD
1 stop16h 25mAmerican Airlines
Deal found 3/12£517
Thu 4/1210:45ORD - BHD
2 stops24h 05mDelta
Wed 10/1206:30BHD - ORD
2 stops16h 18mDelta
Deal found 3/12£545
Thu 4/1218:50ORD - BFS
2 stops21h 30mMultiple Airlines
Wed 10/1207:55BFS - ORD
2 stops16h 30mMultiple Airlines
Deal found 3/12£606
Thu 4/1216:05ORD - BHD
2 stops15h 55mBritish Airways
Wed 10/1206:35BHD - ORD
2 stops17h 01mBritish Airways
Deal found 3/12£635
Thu 4/1207:05ORD - BHD
3 stops31h 45mMultiple Airlines
Wed 10/1207:00BHD - ORD
2 stops17h 25mMultiple Airlines
Deal found 3/12£861
Tue 30/1220:40ORD - BHD
1 stop31h 35mBritish Airways
Mon 5/119:25BHD - ORD
1 stop26h 00mBritish Airways
Deal found 4/12£1,105
Tue 30/1215:50ORD - BHD
2 stops14h 25mMultiple Airlines
Mon 5/119:25BHD - ORD
1 stop29h 20mMultiple Airlines
Deal found 3/12£1,114

Find flight deals from O'Hare Intl to Northern Ireland

Keep the following information in mind while searching for O'Hare Intl to Northern Ireland flight deals. Data was last updated 5 December 2025.

Round-trip from

£459

One-way from

£176
26/1-30/1
  • 26/1-30/1
  • 5 total stops
  • 52h 26m total
  • Chicago to Northern Ireland
Search Deals
14/2
  • 14/2
  • 2 total stops
  • 21h 10m total
  • Chicago to Northern Ireland
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from O'Hare Intl 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 5 December 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Northern Ireland that are best for you.

Fly from

O'Hare Intl

Fly to

Northern Ireland

Route

Depart

Return

Price

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 26/1

12:44-20:10

2 stops25h 26m

Belfast Intl

Fri 30/1

20:20-17:20

3 stops27h 00m

£459

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 26/1

10:48-13:35

2 stops20h 47m

Belfast City

Fri 30/1

17:20-17:20

3 stops30h 00m

£462

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 18/3

14:05-14:15

2 stops19h 10m

Belfast City

Sun 22/3

17:35-14:50

1 stop26h 15m

£463

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 11/2

21:45-16:35

1 stop12h 50m

Belfast City

Sun 15/2

06:30-18:45

1 stop18h 15m

£466

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 25/2

17:10-10:15

1 stop11h 05m

Belfast City

Sun 1/3

06:30-13:50

1 stop13h 20m

£466

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sat 17/1

18:30-22:40

2 stops22h 10m

Belfast Intl

Sat 24/1

06:00-17:20

2 stops17h 20m

£474

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sat 14/2

18:30-21:40

2 stops21h 10m

£176

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 11/2

18:30-16:10

2 stops15h 40m

£195

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 12/2

18:30-08:25

2 stops31h 55m

£196

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Fri 13/2

18:30-22:00

2 stops21h 30m

£196

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 23 results
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Best time to book a flight from O'Hare Intl to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from O'Hare Intl 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 O'Hare Intl Airport 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 O'Hare Intl 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 O'Hare Intl Airport to Northern Ireland?

    British Airways can get you from Chicago O'Hare Intl Airport to Northern Ireland in just under 19h 10m. Your travel time can differ by up to . Airlines will cover a distance of 3644 mi.

  • Can I find deals for flights from O'Hare Intl to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Northern Ireland.

  • Can I find deals for business class flights from O'Hare Intl to Northern Ireland?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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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Alternative routes for O'Hare Intl to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Deals for O'Hare Intl to Northern Ireland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl 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 O'Hare Intl.

Can Cheapflights find flights from O'Hare Intl to Northern Ireland with no change fees?

Need flexible booking options for your flight to Northern Ireland from O'Hare Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Northern Ireland become cheaper?

Yes! Start tracking prices for O'Hare Intl to Northern Ireland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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