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.

£204 Cheap Flights from Illinois to Northern Ireland in 2026

Voted winner of Europe's Best Travel App 2023

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 - 21:20

ORD

BFS

19h 55m

2 stops

22:45 - 22:05

BFS

ORD

29h 20m

2 stops

£602Multiple Airlines

Sun, 2 Aug - Tue, 18 Aug

09:50 - 22:50

ORD

BFS

31h 00m

2 stops

05:55 - 20:05

BFS

ORD

20h 10m

3 stops

£617Multiple Airlines

Sun, 2 Aug - Tue, 18 Aug

19:25 - 22:15

ORD

BFS

20h 50m

2 stops

15:05 - 14:00

BFS

ORD

28h 55m

2 stops

£626Multiple Airlines

Mon, 24 Aug - Mon, 31 Aug

19:25 - 22:15

ORD

BFS

20h 50m

2 stops

06:30 - 10:16

BFS

ORD

33h 46m

3 stops

£629Multiple Airlines

Mon, 24 Aug - Mon, 31 Aug

21:15 - 14:35

ORD

BHD

11h 20m

1 stop

19:30 - 18:15

BHD

ORD

28h 45m

1 stop

£659British Airways

Sun, 18 Oct - Tue, 20 Oct

21:45 - 16:05

ORD

BHD

12h 20m

1 stop

06:35 - 13:50

BHD

ORD

13h 15m

1 stop

£673British Airways

Mon, 16 Nov - Mon, 30 Nov

19:05 - 12:55

ORD

BHD

11h 50m

1 stop

15:20 - 13:50

BHD

ORD

28h 30m

1 stop

£694British Airways

Mon, 24 Aug - Mon, 31 Aug

18:45 - 16:55

MDW

BHD

16h 10m

2 stops

17:20 - 16:50

BHD

MDW

28h 30m

2 stops

£825KLM

Fri, 16 Oct - Sun, 25 Oct

10:54 - 09:20

MDW

BHD

16h 26m

2 stops

09:50 - 22:36

BHD

MDW

18h 46m

2 stops

£1,498KLM

Tue, 4 Aug - Wed, 12 Aug

12:46 - 09:20

MDW

BHD

14h 34m

2 stops

09:50 - 22:36

BHD

MDW

18h 46m

2 stops

£1,535KLM

Thu, 6 Aug - Wed, 12 Aug

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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

18 Oct

ORD21:15Chicago O'Hare Intl

11h 20m

1 stop

BHD14:35Belfast City

20 Oct

BHD19:30Belfast City

28h 45m

1 stop

ORD18:15Chicago O'Hare Intl

£659

British Airways

16 Nov

ORD21:45Chicago O'Hare Intl

12h 20m

1 stop

BHD16:05Belfast City

30 Nov

BHD06:35Belfast City

13h 15m

1 stop

ORD13:50Chicago O'Hare Intl

£673

British Airways

24 Aug

ORD19:05Chicago O'Hare Intl

11h 50m

1 stop

BHD12:55Belfast City

31 Aug

BHD15:20Belfast City

28h 30m

1 stop

ORD13:50Chicago O'Hare Intl

£694

American Airlines flights from Illinois to Northern Ireland

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

American Airlines

5 Aug

ORD20:40Chicago O'Hare Intl

13h 00m

1 stop

BHD15:40Belfast City

12 Aug

BHD06:30Belfast City

12h 00m

1 stop

ORD12:30Chicago O'Hare Intl

£740

American Airlines

5 Aug

ORD22:30Chicago O'Hare Intl

14h 15m

1 stop

BHD18:45Belfast City

12 Aug

BHD06:30Belfast City

16h 28m

2 stops

ORD16:58Chicago O'Hare Intl

£748

American Airlines

28 Jul

ORD15:29Chicago O'Hare Intl

13h 16m

2 stops

BHD10:45Belfast City

4 Aug

BHD06:30Belfast City

17h 05m

1 stop

ORD17:35Chicago O'Hare Intl

£773

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 2/8

19:25-21:20

2 stops19h 55m

Belfast Intl

Tue 18/8

22:45-22:05

2 stops29h 20m

£602

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Sun 2/8

09:50-22:50

2 stops31h 00m

Belfast Intl

Tue 18/8

05:55-20:05

3 stops20h 10m

£617

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 24/8

19:25-22:15

2 stops20h 50m

Belfast Intl

Mon 31/8

15:05-14:00

2 stops28h 55m

£626

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 24/8

19:25-22:15

2 stops20h 50m

Belfast Intl

Mon 31/8

06:30-10:16

3 stops33h 46m

£629

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 18/10

21:15-14:35

1 stop11h 20m

Belfast City

Tue 20/10

19:30-18:15

1 stop28h 45m

£659

Fastest return journey

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 16/11

21:45-16:05

1 stop12h 20m

Belfast City

Mon 30/11

06:35-13:50

1 stop13h 15m

£673

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 24/8

19:05-12:55

1 stop11h 50m

Belfast City

Mon 31/8

15:20-13:50

1 stop28h 30m

£694

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Fri 16/10

18:45-16:55

2 stops16h 10m

Belfast City

Sun 25/10

17:20-16:50

2 stops28h 30m

£825

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Tue 4/8

10:54-09:20

2 stops16h 26m

Belfast City

Wed 12/8

09:50-22:36

2 stops18h 46m

£1,498

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Thu 6/8

12:46-09:20

2 stops14h 34m

Belfast City

Wed 12/8

09:50-22:36

2 stops18h 46m

£1,535

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

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

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.