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Cheap flights from Northern Ireland to Chicago O'Hare Intl Airport from £373

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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ORD
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap 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 12 September 2025.

Round-trip from

£486

One-way from

£373

Popular in

December

Cheapest in

November

Average price

£517
British Airways
  • British Airways
  • 24/9-21/10
  • 2 total stops
  • 24h 55m total
  • Northern Ireland to Chicago
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26/10
  • 26/10
  • 2 total stops
  • 46h 38m total
  • Northern Ireland to Chicago
Search Deals
High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Northern Ireland to O'Hare Intl

Cheapest flights from Northern Ireland to O'Hare Intl
Explore the most affordable flight options available from Northern Ireland to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Wed 24/906:50BHD - ORD
1 stop14h 00mBritish Airways
Tue 21/1017:40ORD - BHD
1 stop10h 55mBritish Airways
Deal found 10/9£486
Wed 24/906:30BHD - ORD
1 stop14h 10mDelta
Tue 21/1015:50ORD - BHD
2 stops23h 25mDelta
Deal found 11/9£494
Mon 27/1021:00BFS - ORD
3 stops48h 00mMultiple Airlines
Mon 3/1110:27ORD - BFS
3 stops28h 43mMultiple Airlines
Deal found 12/9£560
Sat 13/916:50BFS - ORD
2 stops29h 20mMultiple Airlines
Sun 14/919:25ORD - BFS
2 stops20h 05mMultiple Airlines
Deal found 10/9£711
Sat 13/906:55BHD - ORD
2 stops18h 05mAer Lingus
Sun 14/915:45ORD - BHD
2 stops23h 25mAer Lingus
Deal found 10/9£892
Sat 13/906:55BHD - ORD
2 stops18h 05mMultiple Airlines
Sun 14/916:15ORD - BHD
1 stop18h 40mMultiple Airlines
Deal found 10/9£1,121
Sat 13/906:30BHD - ORD
1 stop13h 40mVirgin Atlantic
Sun 14/916:15ORD - BHD
1 stop18h 40mVirgin Atlantic
Deal found 10/9£1,293

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 12 September 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

BHD - ORD

BHDORD

Belfast City

Wed 24/9

06:50-14:50

1 stop14h 00m

Chicago O'Hare Intl

Tue 21/10

17:40-10:35

1 stop10h 55m

£486

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/3

11:05-17:00

1 stop11h 55m

Chicago O'Hare Intl

Mon 9/3

21:45-14:15

1 stop11h 30m

£490

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 24/9

06:30-14:40

1 stop14h 10m

Chicago O'Hare Intl

Tue 21/10

15:50-21:15

2 stops23h 25m

£494

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 27/10

21:00-16:00

3 stops48h 00m

Chicago O'Hare Intl

Mon 3/11

10:27-21:10

3 stops28h 43m

£560

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 26/10

22:45-16:23

2 stops46h 38m

£373

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 26/10

15:05-16:23

2 stops54h 18m

£413

Flights are sorted by cheapest return flights first.

Deals found on 12/9

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 £490, British Airways can have you in Chicago O'Hare Intl Airport from Northern Ireland in 11h 55m. There are 3644 mi between Northern Ireland and Chicago O'Hare Intl Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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.

  • What is the cheapest month to book a flight from Northern Ireland to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Chicago O'Hare Intl Airport (average of £595). Flying from Northern Ireland to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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

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
Rosemont

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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
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London City to Midway flights
Newcastle upon Tyne to Midway flights
Belfast Intl to O'Hare Intl flights
Belfast City to O'Hare Intl flights
Leeds to O'Hare Intl flights
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Darlington to Midway flights
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Inverness to O'Hare Intl flights
Leeds to Midway flights
Bristol to Midway flights
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Doncaster 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 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£479Average£616FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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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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