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Cheap flights from Chicago O'Hare Intl Airport to Northern Ireland from £239

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BFS
7 Jul — 14 Jul1
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 7 June 2026.

Wed 2/919:25
ORD
-
BFS
2 stops21h 45m
Multiple Airlines
Sat 12/1206:00
BFS
-
ORD
3 stops39h 30m
Multiple Airlines
Deal found 6/6£582
Tue 1/922:25
ORD
-
BFS
2 stops18h 55m
Multiple Airlines
Sat 12/1206:00
BFS
-
ORD
3 stops39h 30m
Multiple Airlines
Deal found 6/6£585
Wed 19/819:25
ORD
-
BFS
2 stops17h 45m
Multiple Airlines
Wed 26/817:45
BFS
-
ORD
2 stops24h 55m
Multiple Airlines
Deal found 2/6£633
Wed 19/819:25
ORD
-
BHD
2 stops17h 45m
Multiple Airlines
Wed 26/816:45
BHD
-
ORD
3 stops25h 55m
Multiple Airlines
Deal found 2/6£636
Wed 2/919:25
ORD
-
BHD
2 stops13h 40m
Multiple Airlines
Sat 12/1207:25
BHD
-
ORD
3 stops38h 05m
Multiple Airlines
Deal found 5/6£642
Sun 18/1017:00
ORD
-
BHD
1 stop11h 30m
British Airways
Wed 21/1010:05
BHD
-
ORD
1 stop11h 50m
British Airways
Deal found 1/6£663
Sun 13/921:15
ORD
-
BHD
1 stop11h 20m
British Airways
Wed 16/911:35
BHD
-
ORD
1 stop12h 40m
British Airways
Deal found 2/6£664
Sun 26/722:25
ORD
-
BFS
2 stops18h 45m
Multiple Airlines
Tue 11/823:30
BFS
-
ORD
2 stops28h 35m
Multiple Airlines
Deal found 3/6£668
Tue 1/921:15
ORD
-
BHD
1 stop12h 05m
British Airways
Wed 30/906:30
BHD
-
ORD
1 stop15h 25m
British Airways
Deal found 6/6£689
Wed 19/819:05
ORD
-
BHD
1 stop12h 30m
British Airways
Wed 26/806:30
BHD
-
ORD
1 stop15h 25m
British Airways
Deal found 2/6£690
Fri 23/1021:15
ORD
-
BHD
1 stop12h 15m
British Airways
Mon 26/1019:25
BHD
-
ORD
1 stop25h 55m
British Airways
Deal found 5/6£695
Fri 23/1019:25
ORD
-
BFS
2 stops20h 25m
Multiple Airlines
Mon 26/1021:30
BFS
-
ORD
3 stops48h 00m
Multiple Airlines
Deal found 5/6£696

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 7 June 2026.

Round-trip from

£633

One-way from

£239
19/8-26/8
  • 19/8-26/8
  • 4 total stops
  • 42h 40m total
  • Chicago to Northern Ireland
Search Deals
British Airways
  • British Airways
  • 2/9
  • 2 total stops
  • 15h 05m 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 7 June 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 19/8

19:25-19:10

2 stops17h 45m

Belfast Intl

Wed 26/8

17:45-12:40

2 stops24h 55m

£633
Fastest return journey

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 18/10

17:00-10:30

1 stop11h 30m

Belfast City

Wed 21/10

10:05-15:55

1 stop11h 50m

£663

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 13/9

21:15-14:35

1 stop11h 20m

Belfast City

Wed 16/9

11:35-18:15

1 stop12h 40m

£664

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 26/7

22:25-23:10

2 stops18h 45m

Belfast Intl

Tue 11/8

23:30-22:05

2 stops28h 35m

£668

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 2/9

19:05-13:35

1 stop12h 30m

Belfast City

Thu 1/10

09:35-18:15

1 stop14h 40m

£705

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 19/8

10:09-08:50

2 stops16h 41m

Belfast City

Wed 26/8

11:35-18:15

1 stop12h 40m

£708

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 22/7

22:25-21:45

2 stops17h 20m

Belfast Intl

Sun 26/7

06:45-13:22

3 stops36h 37m

£742

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 1/9

19:05-15:20

1 stop14h 15m

Belfast City

Sat 3/10

19:05-18:15

1 stop29h 10m

£742

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Fri 23/10

09:40-08:50

2 stops17h 10m

Belfast City

Mon 26/10

06:35-19:35

2 stops18h 00m

£748

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 2/9

19:25-17:55

2 stops16h 30m

Belfast Intl

Sat 12/12

06:00-18:25

2 stops18h 25m

£752

Flights are sorted by cheapest return flights first.

Deals found on 4/6

Showing 1-10 of 28 resultsSorted by cheapest first
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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 11h 30m. 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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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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