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Cheap flights from Chicago O'Hare Intl Airport to Northern Ireland from £186

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Northern Ireland departing on 6/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Chicago O'Hare Intl Airport to Northern Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:30 - 19:05
ORD
-
BFS
18h 35m2 stops
Multiple Airlines Logo
18:50 - 17:20
BFS
-
ORD
28h 30m3 stops
£460Multiple Airlines
Mon, 2 Feb - Mon, 9 Feb
British Airways Logo
19:05 - 11:55
ORD
-
BHD
10h 50m1 stop
British Airways Logo
10:00 - 15:55
BHD
-
ORD
11h 55m1 stop
£475British Airways
Wed, 22 Apr - Wed, 29 Apr
British Airways Logo
09:40 - 08:50
ORD
-
BHD
17h 10m2 stops
British Airways Logo
06:50 - 13:50
BHD
-
ORD
13h 00m1 stop
£490British Airways
Wed, 22 Apr - Wed, 29 Apr
British Airways Logo
17:10 - 13:30
ORD
-
BHD
14h 20m2 stops
British Airways Logo
10:00 - 19:35
BHD
-
ORD
15h 35m2 stops
£502British Airways
Wed, 22 Apr - Wed, 29 Apr
Multiple Airlines Logo
16:38 - 20:10
ORD
-
BFS
21h 32m3 stops
Multiple Airlines Logo
23:05 - 17:20
BFS
-
ORD
24h 15m3 stops
£511Multiple Airlines
Sun, 1 Feb - Sun, 8 Feb
British Airways Logo
18:54 - 16:05
ORD
-
BHD
16h 11m2 stops
British Airways Logo
12:10 - 07:15
BHD
-
ORD
24h 05m2 stops
£525British Airways
Mon, 16 Mar - Sun, 22 Mar
British Airways Logo
21:45 - 16:35
ORD
-
BHD
12h 50m1 stop
British Airways Logo
17:35 - 13:50
BHD
-
ORD
26h 15m1 stop
£525British Airways
Wed, 11 Feb - Sun, 15 Feb
British Airways Logo
17:10 - 14:15
ORD
-
BHD
15h 05m1 stop
British Airways Logo
06:30 - 13:50
BHD
-
ORD
13h 20m1 stop
£526British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
18:10 - 10:40
ORD
-
BHD
11h 30m1 stop
British Airways Logo
12:10 - 07:15
BHD
-
ORD
24h 05m2 stops
£527British Airways
Mon, 16 Mar - Sun, 22 Mar
Multiple Airlines Logo
17:25 - 16:50
ORD
-
BHD
18h 25m1 stop
Multiple Airlines Logo
17:20 - 15:20
BHD
-
ORD
27h 00m1 stop
£535Multiple Airlines
Sun, 15 Mar - Sun, 22 Mar

British Airways flights from Chicago O'Hare Intl Airport to Northern Ireland

Our best British Airways deals on Chicago O'Hare Intl Airport to Northern Ireland flight tickets
British Airways
22 Apr
ORD19:05Chicago O'Hare Intl
10h 50m
1 stop
BHD11:55Belfast City
29 Apr
BHD10:00Belfast City
11h 55m
1 stop
ORD15:55Chicago O'Hare Intl
£475
Find similar
British Airways
22 Apr
ORD09:40Chicago O'Hare Intl
17h 10m
2 stops
BHD08:50Belfast City
29 Apr
BHD06:50Belfast City
13h 00m
1 stop
ORD13:50Chicago O'Hare Intl
£490
Find similar
British Airways
22 Apr
ORD17:10Chicago O'Hare Intl
14h 20m
2 stops
BHD13:30Belfast City
29 Apr
BHD10:00Belfast City
15h 35m
2 stops
ORD19:35Chicago O'Hare Intl
£502
Find similar

KLM flights from Chicago O'Hare Intl Airport to Northern Ireland

Our best KLM deals on Chicago O'Hare Intl Airport to Northern Ireland flight tickets
KLM
9 Jan
ORD16:25Chicago O'Hare Intl
18h 25m
1 stop
BHD16:50Belfast City
11 Jan
BHD17:20Belfast City
30h 25m
2 stops
ORD17:45Chicago O'Hare Intl
£626
Find similar
KLM
9 Jan
ORD13:57Chicago O'Hare Intl
20h 53m
2 stops
BHD16:50Belfast City
11 Jan
BHD17:20Belfast City
30h 25m
2 stops
ORD17:45Chicago O'Hare Intl
£630
Find similar
KLM
17 Mar
ORD17:50Chicago O'Hare Intl
18h 00m
2 stops
BHD16:50Belfast City
21 Mar
BHD06:30Belfast City
13h 50m
1 stop
ORD15:20Chicago O'Hare Intl
£688
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Chicago O'Hare Intl Airport 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, momondo users made 279,928 searches. Data last updated 20 December 2025.
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

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 2/2

18:30-19:05

2 stops18h 35m

Belfast Intl

Mon 9/2

18:50-17:20

3 stops28h 30m

£460

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 22/4

19:05-11:55

1 stop10h 50m

Belfast City

Wed 29/4

10:00-15:55

1 stop11h 55m

£475

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 22/4

09:40-08:50

2 stops17h 10m

Belfast City

Wed 29/4

06:50-13:50

1 stop13h 00m

£490

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 22/4

17:10-13:30

2 stops14h 20m

Belfast City

Wed 29/4

10:00-19:35

2 stops15h 35m

£502

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 1/2

16:38-20:10

3 stops21h 32m

Belfast Intl

Sun 8/2

23:05-17:20

3 stops24h 15m

£511

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 16/3

18:54-16:05

2 stops16h 11m

Belfast City

Sun 22/3

12:10-07:15

2 stops24h 05m

£525

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 11/2

21:45-16:35

1 stop12h 50m

Belfast City

Sun 15/2

17:35-13:50

1 stop26h 15m

£525

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 4/3

17:10-14:15

1 stop15h 05m

Belfast City

Sun 8/3

06:30-13:50

1 stop13h 20m

£526

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 16/3

18:10-10:40

1 stop11h 30m

Belfast City

Sun 22/3

12:10-07:15

2 stops24h 05m

£527

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 15/3

17:25-16:50

1 stop18h 25m

Belfast City

Sun 22/3

17:20-15:20

1 stop27h 00m

£535

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
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See travel insights to Northern Ireland from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Northern Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Chicago O'Hare Intl to Northern Ireland?

American Airlines is the most popular carrier operating from Chicago O'Hare Intl to Northern Ireland

Cheap Chicago O'Hare Intl Airport to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Northern Ireland

Fastest flight time

12h 50m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Northern Ireland takes 12h 50m
There are no direct flights from Chicago O'Hare Intl Airport to Northern Ireland. There are no popular flight routes from Chicago O'Hare Intl Airport to Northern Ireland.
Search flight deals

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Northern Ireland?

    Prices for flights from Chicago O'Hare Intl Airport to Northern Ireland were last updated today.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Northern Ireland?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Northern Ireland.

  • What documentation or ID do you need to fly to Northern Ireland?

    The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Northern Ireland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Northern Ireland from Chicago.

Can I find flights from Chicago to Northern Ireland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Northern Ireland from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Northern Ireland?

momondo helps you find the best flight between Chicago and Northern Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to Northern Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Northern Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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