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Cheap flights from Northern Ireland to Chicago O'Hare Intl Airport from £246

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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ORD
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to O'Hare Intl

Enter your travel dates to find the best prices.

Best flights from Northern Ireland to O'Hare Intl
Discover carefully curated flight deals from Northern Ireland to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 December 2025.

Thu 15/107:05BFS - ORD
2 stops39h 40mMultiple Airlines
Thu 22/119:20ORD - BFS
2 stops21h 00mMultiple Airlines
Deal found 1/12£421
Wed 14/106:35BHD - ORD
1 stop14h 50mAmerican Airlines
Sun 18/120:45ORD - BHD
1 stop11h 10mAmerican Airlines
Deal found 30/11£539
Sat 10/106:35BHD - ORD
2 stops18h 40mBritish Airways
Sat 17/121:45ORD - BHD
1 stop10h 30mBritish Airways
Deal found 1/12£586
Wed 14/117:20BHD - ORD
2 stops30h 06mDelta
Sun 18/113:57ORD - BHD
2 stops20h 53mDelta
Deal found 1/12£588
Mon 1/617:30BHD - ORD
1 stop26h 45mVirgin Atlantic
Sun 7/616:20ORD - BHD
1 stop18h 35mVirgin Atlantic
Deal found 3/12£713
Sat 17/112:45BFS - ORD
3 stops32h 00mMultiple Airlines
Sat 24/118:30ORD - BFS
2 stops22h 10mMultiple Airlines
Deal found 3/12£491
Wed 14/112:25BHD - ORD
1 stop12h 20mBritish Airways
Sun 18/119:49ORD - BHD
2 stops32h 51mBritish Airways
Deal found 2/12£597
Mon 1/618:50BFS - ORD
3 stops29h 00mMultiple Airlines
Sun 7/619:20ORD - BFS
2 stops20h 10mMultiple Airlines
Deal found 3/12£569
Sat 10/106:55BFS - ORD
3 stops37h 50mMultiple Airlines
Sat 17/118:30ORD - BFS
2 stops22h 10mMultiple Airlines
Deal found 1/12£571

Find flight deals from Northern Ireland to O'Hare Intl

Keep the following information in mind while searching for Northern Ireland to O'Hare Intl flight deals. Data was last updated 4 December 2025.

Round-trip from

£422

One-way from

£246
15/1-22/1
  • 15/1-22/1
  • 4 total stops
  • 60h 40m total
  • Northern Ireland to Chicago
Search Deals
30/1
  • 30/1
  • 3 total stops
  • 58h 42m total
  • Northern Ireland to Chicago
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to O'Hare Intl 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 4 December 2025.
Use the filters below to find and compare flights from Northern Ireland to Chicago O'Hare Intl Airport that are best for you.

Fly from

Northern Ireland

Fly to

O'Hare Intl

Route

Depart

Return

Price

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 15/1

07:05-16:45

2 stops39h 40m

Chicago O'Hare Intl

Thu 22/1

19:20-22:20

2 stops21h 00m

£421

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 17/1

12:45-14:45

3 stops32h 00m

Chicago O'Hare Intl

Sat 24/1

18:30-22:40

2 stops22h 10m

£491

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 14/1

06:35-15:25

1 stop14h 50m

Chicago O'Hare Intl

Sun 18/1

20:45-13:55

1 stop11h 10m

£539

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 1/6

18:50-17:50

3 stops29h 00m

Chicago O'Hare Intl

Sun 7/6

19:20-21:30

2 stops20h 10m

£569

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 10/1

06:55-14:45

3 stops37h 50m

Chicago O'Hare Intl

Sat 17/1

18:30-22:40

2 stops22h 10m

£571

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 10/1

06:35-19:15

2 stops18h 40m

Chicago O'Hare Intl

Sat 17/1

21:45-14:15

1 stop10h 30m

£586

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 14/1

17:20-17:26

2 stops30h 06m

Chicago O'Hare Intl

Sun 18/1

13:57-16:50

2 stops20h 53m

£588

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 14/1

12:25-18:45

1 stop12h 20m

Chicago O'Hare Intl

Sun 18/1

19:49-10:40

2 stops32h 51m

£597

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 1/6

17:30-14:15

1 stop26h 45m

Chicago O'Hare Intl

Sun 7/6

16:20-16:55

1 stop18h 35m

£713

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 30/1

18:00-22:42

3 stops58h 42m

£246

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 26 results
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Best time to book a flight from Northern Ireland to O'Hare Intl

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

    For as low as £539, American Airlines can have you in Chicago O'Hare Intl Airport from Northern Ireland in 14h 50m. There are 3644 mi between Northern Ireland and Chicago O'Hare Intl Airport.

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

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

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

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

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

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

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Downers Grove
Elk Grove Village

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Alternative routes for Northern Ireland to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to O'Hare Intl flights
Gatwick to O'Hare Intl flights
London City to O'Hare Intl flights
Heathrow to Midway flights
Stansted to O'Hare Intl flights
Luton to O'Hare Intl flights
Gatwick to Midway flights
Manchester to O'Hare Intl flights
Edinburgh to O'Hare Intl flights
Birmingham to O'Hare Intl flights
Manchester to Midway flights
Edinburgh to Midway flights
Birmingham to Midway flights
Leeds to O'Hare Intl flights
Belfast Intl to O'Hare Intl flights
London City to Midway flights
Belfast City to O'Hare Intl flights
Newcastle upon Tyne to O'Hare Intl flights
Southampton to O'Hare Intl flights
Southend to O'Hare Intl flights
Glasgow Intl to O'Hare Intl flights
Bristol to O'Hare Intl flights
Glasgow Intl to Midway flights
Newcastle upon Tyne to Midway flights
Leeds to Midway flights
Cardiff to O'Hare Intl flights
Cardiff to Midway flights
Newquay to O'Hare Intl flights
Grimsby to O'Hare Intl flights
Darlington to O'Hare Intl flights
Liverpool to O'Hare Intl flights
Exeter to O'Hare Intl flights
Bristol to Midway flights
Southampton to Midway flights
Inverness to O'Hare Intl flights
Doncaster to O'Hare Intl flights
Darlington to Midway flights
Norwich to O'Hare Intl flights

Top airline flying from Northern Ireland to O'Hare Intl

Discover the top airline that operate flights from Northern Ireland to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£489Average£620FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Northern Ireland to O'Hare Intl?

When you search for this flight from Northern Ireland to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to O'Hare Intl?

Millions of users choose and trust Cheapflights to book the best flight deals from Northern Ireland to O'Hare Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to O'Hare Intl from Northern Ireland? 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 Northern Ireland to O'Hare Intl become cheaper?

Yes, Cheapflights offers price alerts on Northern Ireland to O'Hare Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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