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 March 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.

$278 Cheap Flights from Illinois to Northern Ireland in 2026

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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.

7:25 pm - 8:55 pm

ORD

BFS

19h 30m

2 stops

7:00 am - 6:15 pm

BFS

ORD

17h 15m

3 stops

$654Multiple Airlines

Mon, Apr 13 - Tue, Apr 28

7:05 pm - 3:30 pm

ORD

BHD

14h 25m

1 stop

8:25 pm - 3:55 pm

BHD

ORD

25h 30m

1 stop

$685British Airways

Mon, Apr 13 - Tue, Apr 28

7:25 pm - 11:20 pm

ORD

BFS

21h 55m

3 stops

7:35 am - 6:15 pm

BFS

ORD

16h 40m

3 stops

$685Multiple Airlines

Mon, Apr 13 - Tue, Apr 28

5:25 pm - 9:00 pm

ORD

BHD

22h 35m

1 stop

6:30 am - 3:20 pm

BHD

ORD

13h 50m

1 stop

$698Delta

Sun, Mar 8 - Wed, Mar 18

2:10 pm - 4:45 pm

ORD

BHD

21h 35m

2 stops

6:30 am - 3:20 pm

BHD

ORD

13h 50m

1 stop

$703Delta

Mon, Mar 9 - Wed, Mar 18

8:35 pm - 5:30 pm

ORD

BHD

14h 55m

1 stop

6:30 am - 12:25 pm

BHD

ORD

11h 55m

1 stop

$712American Airlines

Mon, May 4 - Sun, May 17

10:30 pm - 7:25 pm

ORD

BHD

14h 55m

1 stop

6:30 am - 6:13 pm

BHD

ORD

17h 43m

2 stops

$722American Airlines

Mon, May 4 - Sun, May 17

5:25 pm - 9:00 pm

ORD

BHD

22h 35m

1 stop

5:20 pm - 3:20 pm

BHD

ORD

27h 00m

1 stop

$748KLM

Sun, Mar 8 - Sun, Mar 15

6:38 pm - 4:55 pm

MDW

BHD

16h 17m

2 stops

9:50 am - 10:28 pm

BHD

MDW

18h 38m

2 stops

$1,728KLM

Sat, Apr 18 - Mon, Apr 20

9:35 pm - 3:20 pm

STL

BHD

11h 45m

1 stop

4:15 pm - 7:30 pm

BHD

STL

33h 15m

1 stop

$5,514Aer Lingus

Tue, Aug 25 - Sat, Aug 29

Aer Lingus flights from Illinois to Northern Ireland

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

Aer Lingus

Mar 9

ORD8:40 pmChicago O'Hare Intl

15h 45m

2 stops

BHD5:25 pmBelfast City

Mar 15

BHD2:25 pmBelfast City

33h 30m

2 stops

ORD6:55 pmChicago O'Hare Intl

$901

Aer Lingus

Mar 8

ORD4:50 pmChicago O'Hare Intl

16h 00m

2 stops

BHD1:50 pmBelfast City

Mar 17

BHD7:00 amBelfast City

16h 55m

2 stops

ORD6:55 pmChicago O'Hare Intl

$906

Aer Lingus

Mar 8

ORD8:40 pmChicago O'Hare Intl

15h 40m

2 stops

BHD5:20 pmBelfast City

Mar 16

BHD6:50 amBelfast City

17h 05m

2 stops

ORD6:55 pmChicago O'Hare Intl

$1,082

American Airlines flights from Illinois to Northern Ireland

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

American Airlines

Mar 9

ORD2:40 pmChicago O'Hare Intl

15h 00m

2 stops

BHD10:40 amBelfast City

Mar 16

BHD6:35 amBelfast City

16h 22m

2 stops

ORD5:57 pmChicago O'Hare Intl

$739

American Airlines

Mar 28

ORD10:25 pmChicago O'Hare Intl

14h 55m

1 stop

BHD7:20 pmBelfast City

Apr 5

BHD6:30 amBelfast City

11h 55m

1 stop

ORD12:25 pmChicago O'Hare Intl

$953

American Airlines

Jul 19

ORD10:35 pmChicago O'Hare Intl

13h 05m

1 stop

BHD5:40 pmBelfast City

Jul 25

BHD4:15 pmBelfast City

26h 15m

1 stop

ORD12:30 pmChicago O'Hare Intl

$972

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 4/13

7:25 pm-8:55 pm

2 stops19h 30m

Belfast Intl

Tue 4/28

7:00 am-6:15 pm

3 stops17h 15m

$654

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 4/13

7:05 pm-3:30 pm

1 stop14h 25m

Belfast City

Tue 4/28

8:25 pm-3:55 pm

1 stop25h 30m

$685

ChicagoBelfast

ORD - BFS

ORDBFS

Chicago O'Hare Intl

Mon 4/13

7:25 pm-11:20 pm

3 stops21h 55m

Belfast Intl

Tue 4/28

7:35 am-6:15 pm

3 stops16h 40m

$685

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 3/8

5:25 pm-9:00 pm

1 stop22h 35m

Belfast City

Wed 3/18

6:30 am-3:20 pm

1 stop13h 50m

$698

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 3/9

2:10 pm-4:45 pm

2 stops21h 35m

Belfast City

Wed 3/18

6:30 am-3:20 pm

1 stop13h 50m

$703

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 5/4

8:35 pm-5:30 pm

1 stop14h 55m

Belfast City

Sun 5/17

6:30 am-12:25 pm

1 stop11h 55m

$712

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 5/4

10:30 pm-7:25 pm

1 stop14h 55m

Belfast City

Sun 5/17

6:30 am-6:13 pm

2 stops17h 43m

$722

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 3/8

5:25 pm-9:00 pm

1 stop22h 35m

Belfast City

Sun 3/15

5:20 pm-3:20 pm

1 stop27h 00m

$748

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sat 4/18

6:38 pm-4:55 pm

2 stops16h 17m

Belfast City

Mon 4/20

9:50 am-10:28 pm

2 stops18h 38m

$1,728

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Tue 8/25

9:35 pm-3:20 pm

1 stop11h 45m

Belfast City

Sat 8/29

4:15 pm-7:30 pm

1 stop33h 15m

$5,514

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

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

Aer Lingus, Scandinavian Airlines, 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 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 March 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 $577	Free Cancellation	Rating 6.7 7,774 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.