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 December 2025.

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.

$323 Cheap Flights from Illinois to Northern Ireland in 2025/26

1 adult

0 bags

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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.

4:21 pm - 1:55 pm

ORD

BHD

16h 34m2 stops

12:25 pm - 7:45 pm

BHD

ORD

12h 20m1 stop

$642British Airways

Sun, Mar 8 - Wed, Mar 25

4:04 pm - 10:20 am

ORD

BHD

13h 16m2 stops

6:35 am - 5:54 pm

BHD

ORD

16h 19m2 stops

$659American Airlines

Sun, Mar 8 - Wed, Mar 25

9:45 pm - 6:50 pm

ORD

BHD

15h 05m1 stop

5:45 pm - 1:50 pm

BHD

ORD

26h 05m1 stop

$681British Airways

Thu, Jan 22 - Mon, Jan 26

11:36 am - 10:30 am

ORD

BHD

16h 54m2 stops

7:30 pm - 5:43 pm

BHD

ORD

28h 13m2 stops

$687British Airways

Sun, May 10 - Mon, May 18

6:25 pm - 1:55 pm

ORD

BHD

13h 30m1 stop

6:30 am - 5:00 pm

BHD

ORD

16h 30m1 stop

$704American Airlines

Sun, Jan 18 - Sun, Jan 25

5:10 pm - 10:15 am

ORD

BHD

11h 05m1 stop

3:10 pm - 2:50 pm

BHD

ORD

28h 40m1 stop

$705British Airways

Wed, Mar 4 - Sun, Mar 8

6:55 pm - 4:50 pm

STL

BHD

15h 55m2 stops

5:20 pm - 9:38 pm

BHD

STL

34h 18m2 stops

$798KLM

Mon, Jan 12 - Tue, Jan 20

6:55 pm - 4:50 pm

STL

BHD

15h 55m2 stops

5:20 pm - 9:38 pm

BHD

STL

34h 18m2 stops

$799KLM

Mon, Jan 12 - Tue, Jan 20

10:45 am - 4:40 pm

MDW

BHD

24h 55m2 stops

6:30 am - 5:54 pm

BHD

MDW

16h 24m2 stops

$1,043Delta

Thu, Mar 12 - Thu, Mar 19

12:47 pm - 4:50 pm

MDW

BHD

23h 03m2 stops

6:30 am - 10:31 pm

BHD

MDW

21h 01m2 stops

$1,659Delta

Sun, Mar 15 - Sun, Mar 22

British Airways flights from Illinois to Northern Ireland

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

British Airways

Mar 8

ORD10:45 pmChicago O'Hare Intl

14h 55m

1 stop

BHD6:40 pmBelfast City

Mar 25

BHD12:25 pmBelfast City

12h 20m

1 stop

ORD7:45 pmChicago O'Hare Intl

$622

Find similar

British Airways

Mar 8

ORD4:21 pmChicago O'Hare Intl

16h 34m

2 stops

BHD1:55 pmBelfast City

Mar 25

BHD12:25 pmBelfast City

12h 20m

1 stop

ORD7:45 pmChicago O'Hare Intl

$642

Find similar

British Airways

Jan 22

ORD9:45 pmChicago O'Hare Intl

15h 05m

1 stop

BHD6:50 pmBelfast City

Jan 26

BHD5:45 pmBelfast City

26h 05m

1 stop

ORD1:50 pmChicago O'Hare Intl

$681

Find similar

American Airlines flights from Illinois to Northern Ireland

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

American Airlines

Mar 8

ORD4:04 pmChicago O'Hare Intl

13h 16m

2 stops

BHD10:20 amBelfast City

Mar 25

BHD6:35 amBelfast City

16h 19m

2 stops

ORD5:54 pmChicago O'Hare Intl

$659

Find similar

American Airlines

Jan 18

ORD6:25 pmChicago O'Hare Intl

13h 30m

1 stop

BHD1:55 pmBelfast City

Jan 25

BHD6:30 amBelfast City

16h 30m

1 stop

ORD5:00 pmChicago O'Hare Intl

$704

Find similar

American Airlines

Jan 18

ORD1:25 pmChicago O'Hare Intl

14h 55m

2 stops

BHD10:20 amBelfast City

Jan 25

BHD6:30 amBelfast City

16h 30m

1 stop

ORD5:00 pmChicago O'Hare Intl

$708

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 3/8

4:21 pm-1:55 pm

2 stops16h 34m

Belfast City

Wed 3/25

12:25 pm-7:45 pm

1 stop12h 20m

$642

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 3/8

4:04 pm-10:20 am

2 stops13h 16m

Belfast City

Wed 3/25

6:35 am-5:54 pm

2 stops16h 19m

$659

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 1/22

9:45 pm-6:50 pm

1 stop15h 05m

Belfast City

Mon 1/26

5:45 pm-1:50 pm

1 stop26h 05m

$681

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 5/10

11:36 am-10:30 am

2 stops16h 54m

Belfast City

Mon 5/18

7:30 pm-5:43 pm

2 stops28h 13m

$687

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 1/18

6:25 pm-1:55 pm

1 stop13h 30m

Belfast City

Sun 1/25

6:30 am-5:00 pm

1 stop16h 30m

$704

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 3/4

5:10 pm-10:15 am

1 stop11h 05m

Belfast City

Sun 3/8

3:10 pm-2:50 pm

1 stop28h 40m

$705

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 1/12

6:55 pm-4:50 pm

2 stops15h 55m

Belfast City

Tue 1/20

5:20 pm-9:38 pm

2 stops34h 18m

$798

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 1/12

6:55 pm-4:50 pm

2 stops15h 55m

Belfast City

Tue 1/20

5:20 pm-9:38 pm

2 stops34h 18m

$799

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Thu 3/12

10:45 am-4:40 pm

2 stops24h 55m

Belfast City

Thu 3/19

6:30 am-5:54 pm

2 stops16h 24m

$1,043

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sun 3/15

12:47 pm-4:50 pm

2 stops23h 03m

Belfast City

Sun 3/22

6:30 am-10:31 pm

2 stops21h 01m

$1,659

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 day to depart on your flight to Northern Ireland?

The cheapest day to depart on your flight to Northern Ireland is on a Sunday when prices can be found for as low as $718. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Northern Ireland for around $853.

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	12h 05m
Direct flights	None

The fastest flight from Illinois to Northern Ireland takes 12h 05m

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 December 2025.
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 7,616 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.