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.

£208 Cheap Flights from Illinois to Northern Ireland in 2026

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0 bags

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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.

19:25 - 20:55

ORD

BFS

19h 30m

2 stops

07:00 - 18:15

BFS

ORD

17h 15m

3 stops

£490Multiple Airlines

Mon, 13 Apr - Tue, 28 Apr

19:05 - 15:30

ORD

BHD

14h 25m

1 stop

20:25 - 15:55

BHD

ORD

25h 30m

1 stop

£513British Airways

Mon, 13 Apr - Tue, 28 Apr

19:25 - 23:20

ORD

BFS

21h 55m

3 stops

07:35 - 18:15

BFS

ORD

16h 40m

3 stops

£513Multiple Airlines

Mon, 13 Apr - Tue, 28 Apr

19:25 - 15:35

ORD

BFS

14h 10m

2 stops

07:35 - 18:15

BFS

ORD

16h 40m

2 stops

£524Multiple Airlines

Mon, 13 Apr - Tue, 28 Apr

20:35 - 17:30

ORD

BHD

14h 55m

1 stop

06:30 - 12:25

BHD

ORD

11h 55m

1 stop

£534American Airlines

Mon, 4 May - Sun, 17 May

22:30 - 19:25

ORD

BHD

14h 55m

1 stop

06:30 - 18:13

BHD

ORD

17h 43m

2 stops

£541American Airlines

Mon, 4 May - Sun, 17 May

11:00 - 09:20

ORD

BHD

16h 20m

2 stops

17:30 - 14:30

BHD

ORD

27h 00m

1 stop

£583KLM

Mon, 13 Apr - Tue, 28 Apr

11:08 - 09:20

ORD

BHD

16h 12m

2 stops

09:50 - 21:25

BHD

ORD

17h 35m

2 stops

£604KLM

Mon, 4 May - Sun, 17 May

21:35 - 15:20

STL

BHD

11h 45m

1 stop

16:15 - 19:30

BHD

STL

33h 15m

1 stop

£4,132Aer Lingus

Tue, 25 Aug - Sat, 29 Aug

09:20 - 09:20

MDW

BHD

18h 00m

2 stops

09:50 - 21:45

BHD

MDW

17h 55m

2 stops

£7,510Delta

Wed, 17 Jun - Sun, 21 Jun

Aer Lingus flights from Illinois to Northern Ireland

Our best Aer Lingus deals on Illinois to Northern Ireland flight tickets

Aer Lingus

9 Mar

ORD20:40Chicago O'Hare Intl

15h 45m

2 stops

BHD17:25Belfast City

15 Mar

BHD14:25Belfast City

33h 30m

2 stops

ORD18:55Chicago O'Hare Intl

£675

Aer Lingus

8 Mar

ORD16:50Chicago O'Hare Intl

16h 00m

2 stops

BHD13:50Belfast City

17 Mar

BHD07:00Belfast City

16h 55m

2 stops

ORD18:55Chicago O'Hare Intl

£679

Aer Lingus

8 Mar

ORD20:40Chicago O'Hare Intl

15h 40m

2 stops

BHD17:20Belfast City

16 Mar

BHD06:50Belfast City

17h 05m

2 stops

ORD18:55Chicago O'Hare Intl

£811

American Airlines flights from Illinois to Northern Ireland

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

American Airlines

9 Mar

ORD14:40Chicago O'Hare Intl

15h 00m

2 stops

BHD10:40Belfast City

16 Mar

BHD06:35Belfast City

16h 22m

2 stops

ORD17:57Chicago O'Hare Intl

£554

American Airlines

28 Mar

ORD22:25Chicago O'Hare Intl

14h 55m

1 stop

BHD19:20Belfast City

5 Apr

BHD06:30Belfast City

11h 55m

1 stop

ORD12:25Chicago O'Hare Intl

£714

American Airlines

19 Jul

ORD22:35Chicago O'Hare Intl

13h 05m

1 stop

BHD17:40Belfast City

25 Jul

BHD16:15Belfast City

26h 15m

1 stop

ORD12:30Chicago O'Hare Intl

£728

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 13/4

19:25-20:55

2 stops19h 30m

Belfast Intl

Tue 28/4

07:00-18:15

3 stops17h 15m

£490

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 13/4

19:05-15:30

1 stop14h 25m

Belfast City

Tue 28/4

20:25-15:55

1 stop25h 30m

£513

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 13/4

19:25-23:20

3 stops21h 55m

Belfast Intl

Tue 28/4

07:35-18:15

3 stops16h 40m

£513

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 13/4

19:25-15:35

2 stops14h 10m

Belfast Intl

Tue 28/4

07:35-18:15

2 stops16h 40m

£524

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 4/5

20:35-17:30

1 stop14h 55m

Belfast City

Sun 17/5

06:30-12:25

1 stop11h 55m

£534

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 4/5

22:30-19:25

1 stop14h 55m

Belfast City

Sun 17/5

06:30-18:13

2 stops17h 43m

£541

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 13/4

11:00-09:20

2 stops16h 20m

Belfast City

Tue 28/4

17:30-14:30

1 stop27h 00m

£583

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 4/5

11:08-09:20

2 stops16h 12m

Belfast City

Sun 17/5

09:50-21:25

2 stops17h 35m

£604

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Tue 25/8

21:35-15:20

1 stop11h 45m

Belfast City

Sat 29/8

16:15-19:30

1 stop33h 15m

£4,132

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Wed 17/6

09:20-09:20

2 stops18h 00m

Belfast City

Sun 21/6

09:50-21:45

2 stops17h 55m

£7,510

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?

Aer Lingus 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

Fastest flight time	11h 20m
Direct flights	None

The fastest flight from Illinois to Northern Ireland takes 11h 20m

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.