When did momondo last update prices for flights from Chicago to Northern Ireland?

Prices for flights from Chicago to Northern Ireland were last updated today.

How old do you have to be to fly from Chicago to Northern Ireland?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Northern Ireland.

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

The necessary travel and health documents for your Northern Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£339 Cheap Flights from Chicago to Northern Ireland in 2026

Find the cheapest flights from Chicago to Northern Ireland

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

16:50 - 09:20ORD Chicago O'Hare Intl-BHD Belfast City

10h 30m1 stop Amsterdam Schiphol

08:45 - 19:15BHD Belfast City-ORD Chicago O'Hare Intl

16h 30m2 stops London Gatwick Dublin

£548Multiple Airlines

Mon, 5 Oct - Mon, 12 Oct

19:25 - 19:50ORD Chicago O'Hare Intl-BFS Belfast Intl

42h 25m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Edinburgh Turnhouse

12:45 - 19:15BFS Belfast Intl-ORD Chicago O'Hare Intl

36h 30m3 stops Nottingham East Midlands Malaga Dublin

£590Multiple Airlines

Mon, 5 Oct - Mon, 12 Oct

19:25 - 19:40ORD Chicago O'Hare Intl-BFS Belfast Intl

18h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl

10:30 - 18:15BFS Belfast Intl-ORD Chicago O'Hare Intl

13h 45m2 stops Glasgow Intl Reykjavik Keflavik Intl

£648Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

19:15 - 22:45ORD Chicago O'Hare Intl-BFS Belfast Intl

21h 30m2 stops Kastrup Copenhagen Edinburgh Turnhouse

11:55 - 16:10BFS Belfast Intl-ORD Chicago O'Hare Intl

34h 15m2 stops Edinburgh Turnhouse Kastrup Copenhagen

£649Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

19:25 - 19:40ORD Chicago O'Hare Intl-BFS Belfast Intl

18h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl

10:30 - 18:15BFS Belfast Intl-ORD Chicago O'Hare Intl

13h 45m2 stops Glasgow Intl Reykjavik Keflavik Intl

£651Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

19:25 - 19:40ORD Chicago O'Hare Intl-BFS Belfast Intl

18h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl

10:30 - 18:15BFS Belfast Intl-ORD Chicago O'Hare Intl

13h 45m2 stops Glasgow Intl Reykjavik Keflavik Intl

£653Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

19:25 - 19:40ORD Chicago O'Hare Intl-BFS Belfast Intl

18h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl

10:30 - 18:15BFS Belfast Intl-ORD Chicago O'Hare Intl

13h 45m2 stops Glasgow Intl Reykjavik Keflavik Intl

£656Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

17:10 - 10:45ORD Chicago O'Hare Intl-BHD Belfast City

11h 35m1 stop London Heathrow

07:40 - 13:45BHD Belfast City-ORD Chicago O'Hare Intl

12h 05m1 stop London Heathrow

£657British Airways

Sun, 15 Nov - Thu, 19 Nov

19:25 - 21:50ORD Chicago O'Hare Intl-BFS Belfast Intl

20h 25m2 stops Reykjavik Keflavik Intl Manchester

07:10 - 21:25BFS Belfast Intl-ORD Chicago O'Hare Intl

20h 15m2 stops Manchester Reykjavik Keflavik Intl

£658Multiple Airlines

Sun, 4 Oct - Sun, 11 Oct

17:10 - 19:05ORD Chicago O'Hare Intl-BFS Belfast Intl

19h 55m1 stop Paris Charles de Gaulle

09:30 - 19:15BFS Belfast Intl-ORD Chicago O'Hare Intl

15h 45m2 stops Birmingham Dublin

£667Multiple Airlines

Mon, 5 Oct - Mon, 12 Oct

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KLM flights from Chicago to Northern Ireland

Our best KLM deals on Chicago to Northern Ireland flight tickets

KLM

5 Oct

MDW19:01Chicago Midway

15h 54m

2 stops

BHD16:55Belfast City

12 Oct

BHD09:50Belfast City

18h 43m

2 stops

MDW22:33Chicago Midway

£788

KLM

20 Nov

MDW13:22Chicago Midway

13h 48m

2 stops

BHD09:10Belfast City

29 Nov

BHD17:15Belfast City

28h 59m

2 stops

MDW16:14Chicago Midway

£2,117

KLM

26 Dec

MDW09:30Chicago Midway

17h 40m

2 stops

BHD09:10Belfast City

31 Dec

BHD09:40Belfast City

18h 42m

2 stops

MDW22:22Chicago Midway

£2,560

British Airways flights from Chicago to Northern Ireland

Our best British Airways deals on Chicago to Northern Ireland flight tickets

British Airways

15 Nov

ORD17:10Chicago O'Hare Intl

11h 35m

1 stop

BHD10:45Belfast City

19 Nov

BHD07:40Belfast City

12h 05m

1 stop

ORD13:45Chicago O'Hare Intl

£657

British Airways

9 Oct

ORD19:05Chicago O'Hare Intl

17h 05m

1 stop

BHD18:10Belfast City

20 Oct

BHD06:30Belfast City

17h 45m

1 stop

ORD18:15Chicago O'Hare Intl

£723

British Airways

9 Oct

ORD09:40Chicago O'Hare Intl

26h 30m

2 stops

BHD18:10Belfast City

20 Oct

BHD20:25Belfast City

24h 00m

2 stops

ORD14:25Chicago O'Hare Intl

£739

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Mon 5/10

16:50-09:20

1 stop10h 30m

Belfast City

Mon 12/10

08:45-19:15

2 stops16h 30m

£548

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 5/10

19:25-19:50

3 stops42h 25m

Belfast Intl

Mon 12/10

12:45-19:15

3 stops36h 30m

£590

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Tue 6/10

19:25-19:40

2 stops18h 15m

Belfast Intl

Tue 13/10

10:30-18:15

2 stops13h 45m

£648

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Tue 6/10

19:15-22:45

2 stops21h 30m

Belfast Intl

Tue 13/10

11:55-16:10

2 stops34h 15m

£649

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Tue 6/10

19:25-19:40

2 stops18h 15m

Belfast Intl

Tue 13/10

10:30-18:15

2 stops13h 45m

£651

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Tue 6/10

19:25-19:40

2 stops18h 15m

Belfast Intl

Tue 13/10

10:30-18:15

2 stops13h 45m

£653

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Tue 6/10

19:25-19:40

2 stops18h 15m

Belfast Intl

Tue 13/10

10:30-18:15

2 stops13h 45m

£656

Fastest return journey

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 15/11

17:10-10:45

1 stop11h 35m

Belfast City

Thu 19/11

07:40-13:45

1 stop12h 05m

£657

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Sun 4/10

19:25-21:50

2 stops20h 25m

Belfast Intl

Sun 11/10

07:10-21:25

2 stops20h 15m

£658

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Mon 5/10

17:10-19:05

1 stop19h 55m

Belfast Intl

Mon 12/10

09:30-19:15

2 stops15h 45m

£667

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago 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 to Northern Ireland?

Aer Lingus, British Airways, and Delta are the most popular carriers operating from Chicago to Northern Ireland

Cheap Chicago to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Northern Ireland

Best price found	£339
Fastest flight time	10h 30m
Direct flights	None

The best one-way flight to Northern Ireland from Chicago in the past 72 hours is £339. The best return flight deal from Chicago to Northern Ireland found on momondo in the last 72 hours is £548.

The fastest flight from Chicago to Northern Ireland takes 10h 30m

There are no direct flights from Chicago to Northern Ireland. There are no popular flight routes from Chicago to Northern Ireland.

Search flight deals

Frequently asked questions about flying from Chicago to Northern Ireland

When did momondo last update prices for flights from Chicago to Northern Ireland?
Prices for flights from Chicago to Northern Ireland were last updated today.
How old do you have to be to fly from Chicago to Northern Ireland?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The necessary travel and health documents for your Northern Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

Finding the right flight to Northern Ireland from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Northern Ireland quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Chicago to Northern Ireland flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Northern Ireland from Chicago.

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

Yes momondo offers price alerts on flights to Northern Ireland from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.