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Cheap flights from Chicago O'Hare Intl Airport to Northern Ireland from £177

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BFS
22 Mar — 29 Mar1
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 20 February 2026.

Tue 1/1217:10
ORD
-
BHD
1 stop11h 20m
British Airways
Tue 8/1211:25
BHD
-
ORD
1 stop13h 20m
British Airways
Deal found 19/2£490
Fri 23/1019:05
ORD
-
BHD
1 stop14h 25m
British Airways
Fri 30/1006:45
BHD
-
ORD
1 stop13h 05m
British Airways
Deal found 19/2£527
Sun 26/417:55
ORD
-
BHD
1 stop13h 30m
American Airlines
Sun 3/511:00
BHD
-
ORD
1 stop12h 35m
American Airlines
Deal found 19/2£529
Wed 29/419:25
ORD
-
BHD
2 stops18h 05m
Multiple Airlines
Sun 3/507:00
BHD
-
ORD
2 stops20h 25m
Multiple Airlines
Deal found 19/2£535
Wed 29/417:55
ORD
-
BHD
1 stop13h 40m
American Airlines
Sun 3/511:00
BHD
-
ORD
1 stop12h 35m
American Airlines
Deal found 19/2£536
Tue 21/421:15
ORD
-
BHD
1 stop14h 20m
British Airways
Sun 26/411:00
BHD
-
ORD
1 stop13h 15m
British Airways
Deal found 19/2£537
Wed 29/415:16
ORD
-
BHD
2 stops16h 19m
British Airways
Sun 3/506:30
BHD
-
ORD
1 stop15h 25m
British Airways
Deal found 19/2£541
Sun 8/319:50
ORD
-
BFS
2 stops18h 05m
Multiple Airlines
Thu 12/306:15
BFS
-
ORD
3 stops39h 10m
Multiple Airlines
Deal found 16/2£545
Sat 4/419:25
ORD
-
BFS
2 stops19h 15m
Multiple Airlines
Sat 11/407:40
BFS
-
ORD
3 stops40h 35m
Multiple Airlines
Deal found 18/2£548
Sun 26/419:25
ORD
-
BFS
2 stops20h 25m
Multiple Airlines
Sun 3/506:00
BFS
-
ORD
3 stops43h 25m
Multiple Airlines
Deal found 19/2£554
Tue 1/1218:30
ORD
-
BFS
2 stops19h 45m
Multiple Airlines
Tue 8/1205:45
BFS
-
ORD
3 stops17h 35m
Multiple Airlines
Deal found 19/2£573
Sun 16/821:00
ORD
-
BFS
2 stops18h 30m
Multiple Airlines
Sun 23/822:00
BFS
-
ORD
3 stops46h 00m
Multiple Airlines
Deal found 19/2£660

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 20 February 2026.

Round-trip from

£529

One-way from

£177
American Airlines
  • American Airlines
  • 26/4-3/5
  • 2 total stops
  • 26h 05m total
  • Chicago to Northern Ireland
Search Deals
12/5
  • 12/5
  • 2 total stops
  • 13h 50m 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 20 February 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

O'Hare Intl

Fly to

Northern Ireland

Route

Depart

Return

Price

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 26/4

20:35-13:25

1 stop10h 50m

Belfast City

Sun 3/5

06:30-17:04

2 stops16h 34m

£536

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 21/4

21:15-17:35

1 stop14h 20m

Belfast City

Sun 26/4

11:00-18:15

1 stop13h 15m

£537

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 26/4

14:53-13:25

2 stops16h 32m

Belfast City

Sun 3/5

13:10-07:59

2 stops24h 49m

£544

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 8/3

19:50-18:55

2 stops18h 05m

Belfast Intl

Thu 12/3

06:15-16:25

3 stops39h 10m

£545

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 16/8

16:20-09:20

1 stop11h 00m

Belfast City

Sun 23/8

17:30-14:30

1 stop27h 00m

£545

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 23/4

21:15-19:25

1 stop16h 10m

Belfast City

Tue 28/4

09:40-15:55

1 stop12h 15m

£545

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sat 4/4

19:25-20:40

2 stops19h 15m

Belfast Intl

Sat 11/4

07:40-18:15

3 stops40h 35m

£548

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 28/4

16:20-09:20

1 stop11h 00m

Belfast City

Sun 3/5

17:30-14:30

1 stop27h 00m

£552

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 5/5

16:20-09:20

1 stop11h 00m

Belfast City

Sun 10/5

17:30-14:30

1 stop27h 00m

£552

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 29/4

16:50-09:20

1 stop10h 30m

Belfast City

Mon 4/5

09:50-20:40

2 stops16h 50m

£559

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 32 results
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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 and KLM can get you from Chicago O'Hare Intl Airport to Northern Ireland in just under 11h. Your travel time can differ by up to 3h 20m. 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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