What is the cheapest airline that flies from Illinois to Northern Ireland?

British Airways, Virgin Atlantic, and Delta are the most popular carriers operating 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 many operators does momondo search for flights from Illinois to Northern Ireland?

There is 1 operator available for flights from Illinois to Northern Ireland as of September 2026.

How old do you have to be to fly from Illinois 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 Illinois 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.

$314 Cheap Flights from Illinois to Northern Ireland in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Northern Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 pm - 9:55 pmORD Chicago O'Hare Intl-BFS Belfast Intl

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

7:05 am - 5:20 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

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

$722Multiple Airlines

Thu, Nov 26 - Tue, Dec 1

6:30 pm - 8:40 pmORD Chicago O'Hare Intl-BFS Belfast Intl

20h 10m2 stops Reykjavik Keflavik Intl Manchester

8:55 pm - 5:20 pmBFS Belfast Intl-ORD Chicago O'Hare Intl

26h 25m3 stops Manchester Dublin Reykjavik Keflavik Intl

$757Multiple Airlines

Fri, Nov 27 - Tue, Dec 1

12:15 pm - 9:10 amORD Chicago O'Hare Intl-BHD Belfast City

14h 55m2 stops Minneapolis St Paul Amsterdam Schiphol

5:20 pm - 2:25 pmBHD Belfast City-ORD Chicago O'Hare Intl

27h 05m1 stop Amsterdam Schiphol

$798Virgin Atlantic

Mon, Jan 11 - Wed, Jan 27

12:15 pm - 9:10 amORD Chicago O'Hare Intl-BHD Belfast City

14h 55m2 stops Minneapolis St Paul Amsterdam Schiphol

5:20 pm - 2:25 pmBHD Belfast City-ORD Chicago O'Hare Intl

27h 05m1 stop Amsterdam Schiphol

$798Virgin Atlantic

Sun, Jan 10 - Wed, Jan 27

9:50 am - 9:10 amORD Chicago O'Hare Intl-BHD Belfast City

17h 20m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

5:20 pm - 2:25 pmBHD Belfast City-ORD Chicago O'Hare Intl

27h 05m1 stop Amsterdam Schiphol

$798Virgin Atlantic

Tue, Jan 12 - Wed, Jan 27

4:25 pm - 9:10 amORD Chicago O'Hare Intl-BHD Belfast City

10h 45m1 stop Amsterdam Schiphol

5:20 pm - 2:25 pmBHD Belfast City-ORD Chicago O'Hare Intl

27h 05m1 stop Amsterdam Schiphol

$799Virgin Atlantic

Sun, Jan 10 - Wed, Jan 27

4:25 pm - 9:10 amORD Chicago O'Hare Intl-BHD Belfast City

10h 45m1 stop Amsterdam Schiphol

5:20 pm - 2:25 pmBHD Belfast City-ORD Chicago O'Hare Intl

27h 05m1 stop Amsterdam Schiphol

$799Virgin Atlantic

Mon, Jan 11 - Wed, Jan 27

12:15 pm - 9:10 amORD Chicago O'Hare Intl-BHD Belfast City

14h 55m2 stops Minneapolis St Paul Amsterdam Schiphol

9:40 am - 8:37 pmBHD Belfast City-ORD Chicago O'Hare Intl

16h 57m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$801Virgin Atlantic

Sun, Jan 10 - Fri, Jan 29

5:10 pm - 10:45 amORD Chicago O'Hare Intl-BHD Belfast City

11h 35m1 stop London Heathrow

6:30 am - 1:45 pmBHD Belfast City-ORD Chicago O'Hare Intl

13h 15m1 stop London Heathrow

$886British Airways

Sun, Jan 10 - Thu, Jan 28

5:10 pm - 11:30 amORD Chicago O'Hare Intl-BHD Belfast City

12h 20m1 stop London Heathrow

1:35 pm - 7:15 pmBHD Belfast City-ORD Chicago O'Hare Intl

11h 40m1 stop London Heathrow

$886British Airways

Tue, Jan 12 - Fri, Jan 29

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British Airways flights from Illinois to Northern Ireland

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

British Airways

Jan 12

ORD9:50 pmChicago O'Hare Intl

11h 00m

1 stop

BHD2:50 pmBelfast City

Jan 28

BHD6:30 amBelfast City

13h 15m

1 stop

ORD1:45 pmChicago O'Hare Intl

$886

British Airways

Jan 10

ORD5:10 pmChicago O'Hare Intl

11h 35m

1 stop

BHD10:45 amBelfast City

Jan 26

BHD11:40 amBelfast City

13h 05m

1 stop

ORD6:45 pmChicago O'Hare Intl

$896

British Airways

Jan 24

ORD5:13 pmChicago O'Hare Intl

14h 37m

2 stops

BHD1:50 pmBelfast City

Jan 29

BHD11:50 amBelfast City

13h 25m

1 stop

ORD7:15 pmChicago O'Hare Intl

$911

KLM flights from Illinois to Northern Ireland

Our best KLM deals on Illinois to Northern Ireland flight tickets

KLM

Jan 10

ORD4:25 pmChicago O'Hare Intl

10h 45m

1 stop

BHD9:10 amBelfast City

Jan 28

BHD9:40 amBelfast City

16h 57m

2 stops

ORD8:37 pmChicago O'Hare Intl

$860

KLM

Jan 24

ORD10:40 amChicago O'Hare Intl

16h 30m

2 stops

BHD9:10 amBelfast City

Jan 30

BHD5:20 pmBelfast City

27h 05m

1 stop

ORD2:25 pmChicago O'Hare Intl

$863

KLM

Jan 31

ORD4:25 pmChicago O'Hare Intl

18h 25m

1 stop

BHD4:50 pmBelfast City

Feb 8

BHD9:40 amBelfast City

20h 10m

2 stops

ORD11:50 pmChicago O'Hare Intl

$868

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 round-trip

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Thu 11/26

6:30 pm-9:55 pm

2 stops21h 25m

Belfast Intl

Tue 12/1

7:05 am-5:20 pm

2 stops16h 15m

$722

ChicagoBelfast

ORD Chicago O'Hare Intl - BFS Belfast Intl

ORDBFS

Chicago O'Hare Intl

Fri 11/27

6:30 pm-8:40 pm

2 stops20h 10m

Belfast Intl

Tue 12/1

8:55 pm-5:20 pm

3 stops26h 25m

$757

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Mon 1/11

12:15 pm-9:10 am

2 stops14h 55m

Belfast City

Wed 1/27

5:20 pm-2:25 pm

1 stop27h 05m

$798

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 1/10

12:15 pm-9:10 am

2 stops14h 55m

Belfast City

Wed 1/27

5:20 pm-2:25 pm

1 stop27h 05m

$798

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Tue 1/12

9:50 am-9:10 am

2 stops17h 20m

Belfast City

Wed 1/27

5:20 pm-2:25 pm

1 stop27h 05m

$798

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 1/10

4:25 pm-9:10 am

1 stop10h 45m

Belfast City

Wed 1/27

5:20 pm-2:25 pm

1 stop27h 05m

$799

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Mon 1/11

4:25 pm-9:10 am

1 stop10h 45m

Belfast City

Wed 1/27

5:20 pm-2:25 pm

1 stop27h 05m

$799

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 1/10

12:15 pm-9:10 am

2 stops14h 55m

Belfast City

Fri 1/29

9:40 am-8:37 pm

2 stops16h 57m

$801

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Sun 1/10

5:10 pm-10:45 am

1 stop11h 35m

Belfast City

Thu 1/28

6:30 am-1:45 pm

1 stop13h 15m

$886

Quickest round-trip

ChicagoBelfast

ORD Chicago O'Hare Intl - BHD Belfast City

ORDBHD

Chicago O'Hare Intl

Tue 1/12

5:10 pm-11:30 am

1 stop12h 20m

Belfast City

Fri 1/29

1:35 pm-7:15 pm

1 stop11h 40m

$886

Flights are sorted by cheapest round-trip 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

Prices

Airlines

Can stopping save me money on Illinois to Northern Ireland flights?

You could potentially save up to 18% on your flight if you consider stops on a Illinois to Northern Ireland flight.

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	$314
Fastest flight time	10h 45m
Direct flights	None

The best one-way flight to Northern Ireland from Illinois in the past 72 hours is $314. The best round-trip flight deal from Illinois to Northern Ireland found on momondo in the last 72 hours is $722.

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 many operators does momondo search for flights from Illinois to Northern Ireland?
There is 1 operator available for flights from Illinois to Northern Ireland as of September 2026.
How old do you have to be to fly from Illinois 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 Illinois 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.

Best airlines flying from Illinois to Northern Ireland

Compare and see reviews for airlines that fly from Illinois to Northern Ireland with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $629	Free Cancellation	Rating 6.7 8,213 reviews		Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois 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 Illinois.

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

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

How can momondo help me find flights from Illinois 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 Illinois.

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.