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Cheap flights from Chicago O'Hare Intl Airport to Northern Ireland from £238

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 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BFS
28 May — 4 Jun1
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 28 April 2026.

Tue 9/609:55
ORD
-
BFS
2 stops24h 25m
Multiple Airlines
Tue 16/620:15
BFS
-
ORD
3 stops31h 10m
Multiple Airlines
Deal found 25/4£624
Mon 14/921:00
ORD
-
BHD
1 stop12h 30m
American Airlines
Tue 15/1208:45
BHD
-
ORD
1 stop16h 00m
American Airlines
Deal found 27/4£653
Sun 29/1117:10
ORD
-
BHD
1 stop11h 10m
British Airways
Thu 3/1206:35
BHD
-
ORD
1 stop18h 10m
British Airways
Deal found 26/4£655
Mon 14/916:51
ORD
-
BHD
2 stops16h 39m
British Airways
Tue 15/1210:00
BHD
-
ORD
1 stop14h 45m
British Airways
Deal found 27/4£658
Tue 4/821:15
ORD
-
BHD
1 stop14h 20m
British Airways
Thu 20/806:30
BHD
-
ORD
1 stop13h 20m
British Airways
Deal found 27/4£660
Tue 4/821:15
ORD
-
BHD
1 stop14h 20m
Multiple Airlines
Thu 20/806:30
BHD
-
ORD
2 stops16h 25m
Multiple Airlines
Deal found 27/4£662
Mon 14/910:40
ORD
-
BHD
2 stops16h 40m
KLM
Thu 17/909:50
BHD
-
ORD
2 stops20h 07m
KLM
Deal found 24/4£679
Tue 5/519:25
ORD
-
BFS
2 stops18h 15m
Multiple Airlines
Tue 12/507:15
BFS
-
ORD
2 stops17h 00m
Multiple Airlines
Deal found 27/4£715
Thu 1/1022:35
ORD
-
BHD
1 stop10h 55m
American Airlines
Sun 4/1006:30
BHD
-
ORD
1 stop12h 00m
American Airlines
Deal found 23/4£727
Thu 1/1019:05
ORD
-
BHD
1 stop14h 25m
British Airways
Sun 4/1019:10
BHD
-
ORD
1 stop26h 45m
British Airways
Deal found 24/4£729
Mon 14/914:15
ORD
-
BFS
3 stops19h 20m
Multiple Airlines
Tue 15/1207:05
BFS
-
ORD
3 stops38h 25m
Multiple Airlines
Deal found 27/4£736
Sun 10/509:55
ORD
-
BFS
2 stops26h 55m
Multiple Airlines
Wed 13/515:05
BFS
-
ORD
3 stops38h 51m
Multiple Airlines
Deal found 26/4£757

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 28 April 2026.

Round-trip from

£624

One-way from

£238
9/6-16/6
  • 9/6-16/6
  • 5 total stops
  • 55h 35m total
  • Chicago to Northern Ireland
Search Deals
British Airways
  • British Airways
  • 26/7
  • 2 total stops
  • 15h 06m 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 28 April 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

Tue 9/6

09:55-16:20

2 stops24h 25m

Belfast Intl

Tue 16/6

20:15-21:25

3 stops31h 10m

£624

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 14/9

21:00-15:30

1 stop12h 30m

Belfast City

Tue 15/12

08:45-18:45

1 stop16h 00m

£653

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 14/9

13:59-12:55

2 stops16h 56m

Belfast City

Tue 15/12

08:45-20:34

2 stops17h 49m

£665

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 14/9

10:40-09:20

2 stops16h 40m

Belfast City

Thu 17/9

09:50-23:57

2 stops20h 07m

£679

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 4/8

16:30-15:20

2 stops16h 50m

Belfast City

Thu 20/8

09:35-22:07

2 stops18h 32m

£690
Fastest return journey

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 1/10

22:35-19:25

1 stop14h 50m

Belfast City

Sun 4/10

06:30-12:30

1 stop12h 00m

£727

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 14/9

14:15-15:35

3 stops19h 20m

Belfast Intl

Tue 15/12

07:05-15:30

3 stops38h 25m

£736

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 1/10

13:59-10:10

2 stops14h 11m

Belfast City

Sun 4/10

06:30-23:12

2 stops22h 42m

£746

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 2/8

08:45-21:50

3 stops31h 05m

Belfast Intl

Sat 15/8

11:10-11:50

2 stops30h 40m

£758

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Thu 11/6

07:25-18:55

3 stops29h 30m

Belfast Intl

Thu 18/6

20:05-20:16

3 stops30h 11m

£761

Flights are sorted by cheapest return flights first.

Deals found on 26/4

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?

    American Airlines, British Airways, and KLM can get you from Chicago O'Hare Intl Airport to Northern Ireland in just under 12h 30m. Your travel time can differ by up to 4h 26m. 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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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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