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Cheap flights from Chicago O'Hare Intl Airport to Northern Ireland from £218

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 12/4. 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 - 20:30
ORD
-
BFS
20h 00m
2 stops
Multiple Airlines Logo
08:55 - 18:20
BFS
-
ORD
38h 25m
2 stops
£405Multiple Airlines
Sun, 1 Mar - Sun, 8 Mar
Multiple Airlines Logo
18:30 - 16:10
ORD
-
BFS
15h 40m
2 stops
Multiple Airlines Logo
07:55 - 18:20
BFS
-
ORD
15h 25m
2 stops
£435Multiple Airlines
Wed, 4 Mar - Wed, 11 Mar
Multiple Airlines Logo
18:30 - 19:00
ORD
-
BHD
18h 30m
2 stops
Multiple Airlines Logo
07:25 - 18:20
BHD
-
ORD
15h 55m
2 stops
£465Multiple Airlines
Wed, 4 Mar - Wed, 11 Mar
Virgin Atlantic Logo
16:25 - 16:45
ORD
-
BHD
18h 20m
1 stop
Virgin Atlantic Logo
17:20 - 15:20
BHD
-
ORD
27h 00m
1 stop
£470Virgin Atlantic
Mon, 2 Mar - Tue, 17 Mar
British Airways Logo
18:10 - 10:40
ORD
-
BHD
11h 30m
1 stop
British Airways Logo
06:35 - 19:45
BHD
-
ORD
18h 10m
1 stop
£472British Airways
Mon, 9 Mar - Wed, 18 Mar
British Airways Logo
21:45 - 16:05
ORD
-
BHD
12h 20m
1 stop
British Airways Logo
19:25 - 14:50
BHD
-
ORD
24h 25m
1 stop
£474British Airways
Mon, 2 Mar - Mon, 9 Mar
Multiple Airlines Logo
19:25 - 15:15
ORD
-
BFS
13h 50m
2 stops
Multiple Airlines Logo
07:35 - 18:15
BFS
-
ORD
16h 40m
2 stops
£474Multiple Airlines
Tue, 14 Apr - Tue, 21 Apr
British Airways Logo
22:45 - 18:40
ORD
-
BHD
14h 55m
1 stop
British Airways Logo
19:25 - 14:50
BHD
-
ORD
24h 25m
1 stop
£476British Airways
Sun, 8 Mar - Mon, 16 Mar
American Airlines Logo
14:40 - 10:15
ORD
-
BHD
13h 35m
2 stops
American Airlines Logo
09:15 - 18:00
BHD
-
ORD
13h 45m
1 stop
£478American Airlines
Wed, 4 Mar - Wed, 11 Mar
American Airlines Logo
18:30 - 16:35
ORD
-
BHD
16h 05m
1 stop
American Airlines Logo
06:35 - 16:25
BHD
-
ORD
14h 50m
1 stop
£482American Airlines
Wed, 4 Mar - Wed, 11 Mar

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
11 Feb
ORD16:25Chicago O'Hare Intl
18h 25m
1 stop
BHD16:50Belfast City
4 Mar
BHD06:30Belfast City
13h 50m
1 stop
ORD14:20Chicago O'Hare Intl
£497
KLM
8 Apr
ORD16:50Chicago O'Hare Intl
10h 30m
1 stop
BHD09:20Belfast City
13 Apr
BHD17:30Belfast City
26h 45m
1 stop
ORD14:15Chicago O'Hare Intl
£510
KLM
10 Mar
ORD17:40Chicago O'Hare Intl
18h 10m
2 stops
BHD16:50Belfast City
19 Mar
BHD17:20Belfast City
27h 00m
1 stop
ORD15:20Chicago O'Hare Intl
£557

American Airlines flights from Chicago O'Hare Intl Airport to Northern Ireland

Our best American Airlines deals on Chicago O'Hare Intl Airport to Northern Ireland flight tickets
American Airlines
4 Mar
ORD14:40Chicago O'Hare Intl
13h 35m
2 stops
BHD10:15Belfast City
11 Mar
BHD09:15Belfast City
13h 45m
1 stop
ORD18:00Chicago O'Hare Intl
£478
American Airlines
4 Mar
ORD18:30Chicago O'Hare Intl
16h 05m
1 stop
BHD16:35Belfast City
11 Mar
BHD06:35Belfast City
14h 50m
1 stop
ORD16:25Chicago O'Hare Intl
£482
American Airlines
11 Feb
ORD14:50Chicago O'Hare Intl
13h 25m
2 stops
BHD10:15Belfast City
4 Mar
BHD09:15Belfast City
12h 10m
1 stop
ORD15:25Chicago O'Hare Intl
£484

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 5 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

Fly to

Route

Depart

Return

Price

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 1/3

18:30-20:30

2 stops20h 00m

Belfast Intl

Sun 8/3

08:55-18:20

2 stops38h 25m

£405

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Wed 4/3

18:30-16:10

2 stops15h 40m

Belfast Intl

Wed 11/3

07:55-18:20

2 stops15h 25m

£435

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 4/3

18:30-19:00

2 stops18h 30m

Belfast City

Wed 11/3

07:25-18:20

2 stops15h 55m

£465

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 2/3

16:25-16:45

1 stop18h 20m

Belfast City

Tue 17/3

17:20-15:20

1 stop27h 00m

£470

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 9/3

18:10-10:40

1 stop11h 30m

Belfast City

Wed 18/3

06:35-19:45

1 stop18h 10m

£472

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 2/3

21:45-16:05

1 stop12h 20m

Belfast City

Mon 9/3

19:25-14:50

1 stop24h 25m

£474

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 14/4

19:25-15:15

2 stops13h 50m

Belfast Intl

Tue 21/4

07:35-18:15

2 stops16h 40m

£474

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 8/3

22:45-18:40

1 stop14h 55m

Belfast City

Mon 16/3

19:25-14:50

1 stop24h 25m

£476

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 4/3

14:40-10:15

2 stops13h 35m

Belfast City

Wed 11/3

09:15-18:00

1 stop13h 45m

£478

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 4/3

18:30-16:35

1 stop16h 05m

Belfast City

Wed 11/3

06:35-16:25

1 stop14h 50m

£482

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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?

Aer Lingus 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

13h 20m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Northern Ireland takes 13h 20m
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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