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Cheap flights from Chicago O'Hare Intl Airport to Northern Ireland from £291

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BFS
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 14 November 2025.

Round-trip from

£502

One-way from

£291
8/12-12/12
  • 8/12-12/12
  • 4 total stops
  • 37h 30m total
  • Chicago to Northern Ireland
Search Deals
15/12
  • 15/12
  • 2 total stops
  • 19h 29m total
  • Chicago to Northern Ireland
Search Deals

Find 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 14 November 2025.

Mon 8/1218:30ORD - BFS
2 stops20h 40mMultiple Airlines
Fri 12/1206:30BFS - ORD
2 stops16h 50mMultiple Airlines
Deal found 13/11£502
Sun 7/1220:35ORD - BHD
1 stop17h 40mAmerican Airlines
Sun 14/1206:30BHD - ORD
1 stop14h 55mAmerican Airlines
Deal found 13/11£530
Wed 3/1216:25ORD - BHD
1 stop18h 25mDelta
Sun 7/1217:20BHD - ORD
1 stop27h 00mDelta
Deal found 13/11£540
Wed 3/1214:30ORD - BHD
2 stops20h 20mVirgin Atlantic
Sun 7/1217:20BHD - ORD
1 stop27h 00mVirgin Atlantic
Deal found 12/11£544
Mon 8/1218:30ORD - BHD
2 stops20h 00mMultiple Airlines
Fri 12/1207:20BHD - ORD
2 stops16h 00mMultiple Airlines
Deal found 13/11£588
Sun 7/1210:35ORD - BHD
2 stops24h 15mDelta
Sun 14/1206:30BHD - ORD
2 stops21h 17mDelta
Deal found 13/11£592
Wed 10/1221:45ORD - BHD
1 stop27h 45mBritish Airways
Wed 17/1219:25BHD - ORD
1 stop27h 35mBritish Airways
Deal found 13/11£613
Wed 10/1215:50ORD - BHD
2 stops16h 05mAer Lingus
Wed 17/1206:40BHD - ORD
2 stops17h 15mAer Lingus
Deal found 13/11£634
Sun 28/1221:50ORD - BFS
2 stops18h 10mMultiple Airlines
Sat 3/106:00BFS - ORD
3 stops22h 07mMultiple Airlines
Deal found 13/11£1,122
Sat 27/1214:00ORD - BFS
2 stops23h 55mMultiple Airlines
Sat 3/106:00BFS - ORD
3 stops22h 07mMultiple Airlines
Deal found 12/11£1,202
Tue 23/1217:20ORD - BFS
1 stop22h 20mMultiple Airlines
Tue 6/120:55BFS - ORD
2 stops42h 17mMultiple Airlines
Deal found 13/11£1,338
Wed 17/1217:20ORD - BFS
1 stop14h 50mMultiple Airlines
Tue 6/120:55BFS - ORD
2 stops26h 25mMultiple Airlines
Deal found 13/11£1,413

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 14 November 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 - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/12

16:25-16:50

1 stop18h 25m

Belfast City

Sun 7/12

17:20-14:20

1 stop27h 00m

£540

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 3/4

19:05-15:30

1 stop14h 25m

Belfast City

Tue 7/4

06:35-13:50

1 stop13h 15m

£544

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 18/3

11:42-14:15

2 stops21h 33m

Belfast City

Sun 22/3

20:25-14:50

1 stop23h 25m

£546

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 3/4

14:10-21:20

2 stops25h 10m

Belfast City

Tue 7/4

06:30-14:20

1 stop13h 50m

£602

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 3/4

19:00-21:20

2 stops20h 20m

Belfast City

Tue 7/4

06:30-14:20

1 stop13h 50m

£602

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 20/3

18:30-14:15

2 stops14h 45m

Belfast City

Sat 28/3

18:00-17:33

2 stops28h 33m

£625

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 8/12

18:30-19:05

2 stops18h 35m

Belfast Intl

Fri 12/12

09:10-17:55

3 stops38h 45m

£727

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 28/12

21:50-22:00

2 stops18h 10m

Belfast Intl

Sat 3/1

06:00-22:07

3 stops22h 07m

£1,122

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sat 27/12

14:00-19:55

2 stops23h 55m

Belfast Intl

Sat 3/1

06:00-22:07

3 stops22h 07m

£1,202

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 23/12

17:20-21:40

1 stop22h 20m

Belfast Intl

Tue 6/1

20:55-09:12

2 stops42h 17m

£1,338

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 16 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?

    Delta and British Airways can get you from Chicago O'Hare Intl Airport to Northern Ireland in just under 14h 25m. Your travel time can differ by up to 4h. Airlines will cover a distance of 3644 mi. This flight may include one or multiple stops.

  • 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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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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