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.

£293 Cheap Flights from Illinois to Northern Ireland in 2025/26

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Illinois to Northern Ireland

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

22:45 - 18:40

ORD

BHD

14h 55m1 stop

12:25 - 19:45

BHD

ORD

12h 20m1 stop

£461British Airways

Sun, 8 Mar - Wed, 25 Mar

16:21 - 13:55

ORD

BHD

16h 34m2 stops

12:25 - 19:45

BHD

ORD

12h 20m1 stop

£476British Airways

Sun, 8 Mar - Wed, 25 Mar

16:04 - 10:20

ORD

BHD

13h 16m2 stops

06:35 - 17:54

BHD

ORD

16h 19m2 stops

£488American Airlines

Sun, 8 Mar - Wed, 25 Mar

18:25 - 13:55

ORD

BHD

13h 30m1 stop

06:30 - 17:00

BHD

ORD

16h 30m1 stop

£521American Airlines

Sun, 18 Jan - Sun, 25 Jan

18:30 - 21:55

ORD

BFS

21h 25m3 stops

07:55 - 08:18

BFS

ORD

30h 23m3 stops

£554Multiple Airlines

Sun, 18 Jan - Sun, 25 Jan

17:20 - 20:15

ORD

BFS

20h 55m2 stops

05:45 - 17:20

BFS

ORD

17h 35m3 stops

£576Multiple Airlines

Tue, 10 Feb - Tue, 17 Feb

18:55 - 16:50

STL

BHD

15h 55m2 stops

17:20 - 21:38

BHD

STL

34h 18m2 stops

£591KLM

Mon, 12 Jan - Tue, 20 Jan

18:55 - 16:50

STL

BHD

15h 55m2 stops

17:20 - 21:38

BHD

STL

34h 18m2 stops

£592KLM

Mon, 12 Jan - Tue, 20 Jan

10:45 - 16:40

MDW

BHD

24h 55m2 stops

06:30 - 17:54

BHD

MDW

16h 24m2 stops

£773Delta

Thu, 12 Mar - Thu, 19 Mar

10:45 - 16:50

MDW

BHD

25h 05m2 stops

06:30 - 18:40

BHD

MDW

17h 10m2 stops

£1,284Delta

Sun, 15 Mar - Wed, 25 Mar

British Airways flights from Illinois to Northern Ireland

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

British Airways

22 Jan

ORD21:45Chicago O'Hare Intl

15h 05m

1 stop

BHD18:50Belfast City

26 Jan

BHD17:45Belfast City

26h 05m

1 stop

ORD13:50Chicago O'Hare Intl

£504

Find similar

British Airways

24 Jan

ORD20:18Chicago O'Hare Intl

30h 07m

2 stops

BHD08:25Belfast City

31 Jan

BHD18:00Belfast City

25h 50m

1 stop

ORD13:50Chicago O'Hare Intl

£513

Find similar

British Airways

4 Mar

ORD17:10Chicago O'Hare Intl

11h 05m

1 stop

BHD10:15Belfast City

8 Mar

BHD15:10Belfast City

28h 40m

1 stop

ORD14:50Chicago O'Hare Intl

£522

Find similar

Delta flights from Illinois to Northern Ireland

Our best Delta deals on Illinois to Northern Ireland flight tickets

Delta

17 Jan

ORD13:55Chicago O'Hare Intl

20h 55m

2 stops

BHD16:50Belfast City

24 Jan

BHD17:20Belfast City

30h 59m

2 stops

ORD18:19Chicago O'Hare Intl

£586

Find similar

Delta

12 Mar

MDW10:45Chicago Midway

24h 55m

2 stops

BHD16:40Belfast City

19 Mar

BHD06:30Belfast City

16h 24m

2 stops

MDW17:54Chicago Midway

£772

Find similar

Delta

15 Mar

MDW10:45Chicago Midway

25h 05m

2 stops

BHD16:50Belfast City

25 Mar

BHD06:30Belfast City

17h 10m

2 stops

MDW18:40Chicago Midway

£1,284

Find similar

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

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 8/3

22:45-18:40

1 stop14h 55m

Belfast City

Wed 25/3

12:25-19:45

1 stop12h 20m

£461

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 8/3

16:21-13:55

2 stops16h 34m

Belfast City

Wed 25/3

12:25-19:45

1 stop12h 20m

£476

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 8/3

16:04-10:20

2 stops13h 16m

Belfast City

Wed 25/3

06:35-17:54

2 stops16h 19m

£488

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 18/1

18:25-13:55

1 stop13h 30m

Belfast City

Sun 25/1

06:30-17:00

1 stop16h 30m

£521

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 18/1

18:30-21:55

3 stops21h 25m

Belfast Intl

Sun 25/1

07:55-08:18

3 stops30h 23m

£554

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Tue 10/2

17:20-20:15

2 stops20h 55m

Belfast Intl

Tue 17/2

05:45-17:20

3 stops17h 35m

£576

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 12/1

18:55-16:50

2 stops15h 55m

Belfast City

Tue 20/1

17:20-21:38

2 stops34h 18m

£591

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 12/1

18:55-16:50

2 stops15h 55m

Belfast City

Tue 20/1

17:20-21:38

2 stops34h 18m

£592

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Thu 12/3

10:45-16:40

2 stops24h 55m

Belfast City

Thu 19/3

06:30-17:54

2 stops16h 24m

£772

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sun 15/3

10:45-16:50

2 stops25h 05m

Belfast City

Wed 25/3

06:30-18:40

2 stops17h 10m

£1,284

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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?

American Airlines is the most popular carrier 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

Fastest flight time	15h 00m
Direct flights	None

The fastest flight from Illinois to Northern Ireland takes 15h 00m

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

Search flight deals

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.