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Cheap flights from Northern Ireland to Chicago O'Hare Intl Airport from £362

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — ORD
4 Jul — 11 Jul1
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.

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 4 June 2026.

Wed 15/705:55
BFS
-
ORD
2 stops19h 57m
Multiple Airlines
Wed 22/709:50
ORD
-
BFS
2 stops27h 25m
Multiple Airlines
Deal found 31/5£652
Mon 13/706:40
BFS
-
ORD
2 stops16h 17m
Multiple Airlines
Mon 20/709:50
ORD
-
BFS
2 stops29h 45m
Multiple Airlines
Deal found 31/5£655
Tue 15/906:40
BFS
-
ORD
3 stops44h 45m
Multiple Airlines
Thu 17/911:05
ORD
-
BFS
3 stops26h 25m
Multiple Airlines
Deal found 1/6£705
Thu 5/1111:05
BHD
-
ORD
1 stop14h 10m
British Airways
Sun 8/1120:40
ORD
-
BHD
1 stop11h 15m
British Airways
Deal found 3/6£715
Wed 1/722:45
BFS
-
ORD
2 stops29h 20m
Multiple Airlines
Wed 8/719:25
ORD
-
BFS
3 stops20h 55m
Multiple Airlines
Deal found 3/6£722
Wed 2/906:30
BHD
-
ORD
1 stop17h 45m
British Airways
Sun 6/919:05
ORD
-
BHD
1 stop13h 30m
British Airways
Deal found 3/6£730
Mon 13/709:50
BHD
-
ORD
2 stops33h 05m
Multiple Airlines
Mon 20/708:45
ORD
-
BHD
3 stops22h 35m
Multiple Airlines
Deal found 3/6£782
Mon 13/709:40
BHD
-
ORD
1 stop13h 55m
American Airlines
Mon 20/720:40
ORD
-
BHD
1 stop12h 50m
American Airlines
Deal found 3/6£783
Wed 1/717:25
BHD
-
ORD
2 stops24h 05m
British Airways
Wed 8/712:50
ORD
-
BHD
2 stops17h 10m
British Airways
Deal found 3/6£786

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 June 2026.

Round-trip from

£652

One-way from

£362
15/7-22/7
  • 15/7-22/7
  • 4 total stops
  • 47h 22m total
  • Northern Ireland to Chicago
Search Deals
British Airways
  • British Airways
  • 5/9
  • 1 total stop
  • 14h 40m 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 June 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 13/7

06:40-16:57

2 stops16h 17m

Chicago O'Hare Intl

Mon 20/7

09:50-21:35

2 stops29h 45m

£655

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 15/7

05:55-19:52

2 stops19h 57m

Chicago O'Hare Intl

Wed 22/7

08:45-19:15

3 stops28h 30m

£657

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/11

06:35-17:05

1 stop16h 30m

Chicago O'Hare Intl

Sun 8/11

16:06-13:55

2 stops15h 49m

£715
Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 2/9

10:05-18:15

1 stop14h 10m

Chicago O'Hare Intl

Sun 6/9

11:53-10:30

2 stops16h 37m

£730

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 28/6

06:45-14:55

3 stops38h 10m

Chicago O'Hare Intl

Sun 19/7

15:45-18:25

2 stops20h 40m

£784

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 17/7

14:05-16:05

2 stops32h 00m

Chicago O'Hare Intl

Fri 24/7

18:00-21:15

2 stops21h 15m

£905
Cheapest one-way
Fastest single journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 5/9

09:35-18:15

1 stop14h 40m

£362

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 20/8

10:25-16:00

3 stops35h 35m

£408

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 27/6

21:40-14:30

3 stops46h 50m

£417

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 20/8

15:40-16:00

3 stops30h 20m

£430

Flights are sorted by cheapest return flights first.

Deals found on 1/6

Showing 1-10 of 17 resultsSorted by cheapest first
1
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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 £715, British Airways can have you in Chicago O'Hare Intl Airport from Northern Ireland in 16h 30m. 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
Elk Grove Village

Browse thousands of different options on Cheapflights for your next trip

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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 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£499Average£652FlexibilityNo 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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