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

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Northern Ireland.

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

The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£236 Cheap Flights from Illinois to Northern Ireland in 2026

Find the cheapest flights from Illinois to Northern Ireland

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:30 - 21:55ORD Chicago O'Hare Intl-BFS Belfast Intl

21h 25m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle

07:05 - 17:20BFS Belfast Intl-ORD Chicago O'Hare Intl

16h 15m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl

£534Multiple Airlines

Thu, 26 Nov - Tue, 1 Dec

18:30 - 20:40ORD Chicago O'Hare Intl-BFS Belfast Intl

20h 10m2 stops Reykjavik Keflavik Intl Manchester

20:55 - 17:20BFS Belfast Intl-ORD Chicago O'Hare Intl

26h 25m3 stops Manchester Dublin Reykjavik Keflavik Intl

£560Multiple Airlines

Fri, 27 Nov - Tue, 1 Dec

12:15 - 09:10ORD Chicago O'Hare Intl-BHD Belfast City

14h 55m2 stops Minneapolis St Paul Amsterdam Schiphol

17:20 - 14:25BHD Belfast City-ORD Chicago O'Hare Intl

27h 05m1 stop Amsterdam Schiphol

£590Virgin Atlantic

Sun, 10 Jan - Wed, 27 Jan

16:25 - 09:10ORD Chicago O'Hare Intl-BHD Belfast City

10h 45m1 stop Amsterdam Schiphol

17:20 - 14:25BHD Belfast City-ORD Chicago O'Hare Intl

27h 05m1 stop Amsterdam Schiphol

£591Virgin Atlantic

Sun, 10 Jan - Wed, 27 Jan

12:15 - 09:10ORD Chicago O'Hare Intl-BHD Belfast City

14h 55m2 stops Minneapolis St Paul Amsterdam Schiphol

09:40 - 20:37BHD Belfast City-ORD Chicago O'Hare Intl

16h 57m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£593Virgin Atlantic

Sun, 10 Jan - Fri, 29 Jan

18:30 - 18:45ORD Chicago O'Hare Intl-BFS Belfast Intl

18h 15m2 stops Reykjavik Keflavik Intl Manchester

20:55 - 17:20BFS Belfast Intl-ORD Chicago O'Hare Intl

26h 25m3 stops Manchester Dublin Reykjavik Keflavik Intl

£596Multiple Airlines

Thu, 26 Nov - Tue, 1 Dec

16:25 - 09:10ORD Chicago O'Hare Intl-BHD Belfast City

10h 45m1 stop Amsterdam Schiphol

17:20 - 14:25BHD Belfast City-ORD Chicago O'Hare Intl

27h 05m1 stop Amsterdam Schiphol

£597Delta

Wed, 13 Jan - Wed, 27 Jan

16:25 - 09:10ORD Chicago O'Hare Intl-BHD Belfast City

10h 45m1 stop Amsterdam Schiphol

17:20 - 14:25BHD Belfast City-ORD Chicago O'Hare Intl

27h 05m1 stop Amsterdam Schiphol

£598Delta

Sun, 24 Jan - Tue, 2 Feb

09:30 - 09:10ORD Chicago O'Hare Intl-BHD Belfast City

17h 40m2 stops Minneapolis St Paul Amsterdam Schiphol

17:20 - 14:25BHD Belfast City-ORD Chicago O'Hare Intl

27h 05m1 stop Amsterdam Schiphol

£601Delta

Sun, 24 Jan - Tue, 2 Feb

18:30 - 18:50ORD Chicago O'Hare Intl-BFS Belfast Intl

18h 20m2 stops Reykjavik Keflavik Intl London Gatwick

15:25 - 15:30BFS Belfast Intl-ORD Chicago O'Hare Intl

30h 05m3 stops London Stansted Madrid Barajas Lisbon Humberto Delgado

£601Multiple Airlines

Thu, 5 Nov - Sat, 14 Nov

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American Airlines flights from Illinois to Northern Ireland

Our best American Airlines deals on Illinois to Northern Ireland flight tickets

American Airlines

28 Sept

ORD19:05Chicago O'Hare Intl

14h 25m

1 stop

BHD15:30Belfast City

9 Oct

BHD11:00Belfast City

16h 05m

2 stops

ORD21:05Chicago O'Hare Intl

£666

American Airlines

26 Feb

ORD13:59Chicago O'Hare Intl

14h 56m

2 stops

BHD10:55Belfast City

7 Mar

BHD06:30Belfast City

13h 40m

1 stop

ORD14:10Chicago O'Hare Intl

£740

British Airways flights from Illinois to Northern Ireland

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

British Airways

24 Jan

ORD17:10Chicago O'Hare Intl

11h 35m

1 stop

BHD10:45Belfast City

1 Feb

BHD19:40Belfast City

24h 05m

1 stop

ORD13:45Chicago O'Hare Intl

£664

British Airways

24 Jan

ORD17:13Chicago O'Hare Intl

14h 37m

2 stops

BHD13:50Belfast City

29 Jan

BHD11:50Belfast City

13h 25m

1 stop

ORD19:15Chicago O'Hare Intl

£674

British Airways

28 Sept

ORD15:50Chicago O'Hare Intl

15h 05m

2 stops

BHD12:55Belfast City

9 Oct

BHD11:00Belfast City

16h 45m

2 stops

ORD21:45Chicago O'Hare Intl

£678

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Thu 26/11

18:30-21:55

2 stops21h 25m

Belfast Intl

Tue 1/12

07:05-17:20

2 stops16h 15m

£534

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Fri 27/11

18:30-20:40

2 stops20h 10m

Belfast Intl

Tue 1/12

20:55-17:20

3 stops26h 25m

£560

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 10/1

12:15-09:10

2 stops14h 55m

Belfast City

Wed 27/1

17:20-14:25

1 stop27h 05m

£590

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 10/1

16:25-09:10

1 stop10h 45m

Belfast City

Wed 27/1

17:20-14:25

1 stop27h 05m

£591

Fastest return journey

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 10/1

12:15-09:10

2 stops14h 55m

Belfast City

Fri 29/1

09:40-20:37

2 stops16h 57m

£593

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Thu 26/11

18:30-18:45

2 stops18h 15m

Belfast Intl

Tue 1/12

20:55-17:20

3 stops26h 25m

£596

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Wed 13/1

16:25-09:10

1 stop10h 45m

Belfast City

Wed 27/1

17:20-14:25

1 stop27h 05m

£597

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 24/1

16:25-09:10

1 stop10h 45m

Belfast City

Tue 2/2

17:20-14:25

1 stop27h 05m

£598

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 24/1

09:30-09:10

2 stops17h 40m

Belfast City

Tue 2/2

17:20-14:25

1 stop27h 05m

£601

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Thu 5/11

18:30-18:50

2 stops18h 20m

Belfast Intl

Sat 14/11

15:25-15:30

3 stops30h 05m

£601

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 Illinois 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 Illinois to Northern Ireland?

British Airways and KLM are the most popular carriers operating from Illinois to Northern Ireland

Cheap Illinois to Northern Ireland flight deals and tips

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

Best price found	£236
Fastest flight time	10h 45m
Direct flights	None

The best one-way flight to Northern Ireland from Illinois in the past 72 hours is £236. The best return flight deal from Illinois to Northern Ireland found on momondo in the last 72 hours is £534.

The fastest flight from Illinois to Northern Ireland takes 10h 45m

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

Search flight deals

Frequently asked questions about flying from Illinois to Northern Ireland

When did momondo last update prices for flights from Illinois to Northern Ireland?
Prices for flights from Illinois to Northern Ireland were last updated today.
How old do you have to be to fly from Illinois to Northern Ireland?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

It is quick and easy to find Illinois to Northern Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Northern Ireland that suits you.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Northern Ireland.

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

Price alerts on flights to Northern Ireland from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.