When did momondo last update prices for flights from Northern Ireland to Illinois?

Prices for flights from Northern Ireland to Illinois refresh daily.

How old do you have to be to fly from Northern Ireland to Illinois?

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 Northern Ireland to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$545 Cheap Flights from Northern Ireland to Illinois in 2026

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Find the cheapest flights from Northern Ireland to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:10 pm - 9:25 pm

BFS

ORD

34h 15m

3 stops

11:05 am - 3:15 pm

ORD

BFS

22h 10m

3 stops

$836Multiple Airlines

Tue, May 5 - Tue, May 12

8:45 am - 9:36 am

BHD

ORD

30h 51m

3 stops

4:50 pm - 4:50 pm

ORD

BHD

18h 00m

2 stops

$843Multiple Airlines

Mon, Apr 27 - Mon, May 4

8:45 am - 9:36 am

BHD

ORD

30h 51m

3 stops

8:45 am - 4:50 pm

ORD

BHD

26h 05m

3 stops

$845Multiple Airlines

Mon, Apr 27 - Mon, May 4

8:20 am - 6:15 pm

BFS

ORD

15h 55m

2 stops

7:25 pm - 8:55 pm

ORD

BFS

19h 30m

2 stops

$846Multiple Airlines

Tue, May 5 - Tue, May 12

5:10 pm - 9:25 pm

BFS

ORD

34h 15m

3 stops

7:25 pm - 3:15 pm

ORD

BFS

13h 50m

2 stops

$851Multiple Airlines

Tue, May 5 - Tue, May 12

9:40 am - 5:35 pm

BHD

ORD

13h 55m

1 stop

11:22 am - 10:45 am

ORD

BHD

17h 23m

2 stops

$860British Airways

Tue, May 5 - Tue, May 12

9:50 am - 8:40 pm

BHD

ORD

16h 50m

2 stops

11:09 am - 9:20 am

ORD

BHD

16h 11m

2 stops

$893KLM

Tue, May 5 - Tue, May 12

5:30 pm - 2:15 pm

BHD

ORD

26h 45m

1 stop

1:36 pm - 4:55 pm

ORD

BHD

21h 19m

2 stops

$910Virgin Atlantic

Mon, Apr 27 - Mon, May 4

9:40 am - 8:25 pm

BHD

ORD

16h 45m

2 stops

1:59 pm - 10:45 am

ORD

BHD

14h 46m

2 stops

$912British Airways

Tue, Sep 1 - Tue, Sep 29

9:50 am - 8:14 pm

BHD

ORD

16h 24m

2 stops

4:20 pm - 9:20 am

ORD

BHD

11h 00m

1 stop

$1,002KLM

Mon, May 18 - Sat, May 30

KLM flights from Northern Ireland to Illinois

Our best KLM deals on Northern Ireland to Illinois flight tickets

KLM

May 5

BHD9:50 amBelfast City

16h 50m

2 stops

ORD8:40 pmChicago O'Hare Intl

May 12

ORD11:09 amChicago O'Hare Intl

16h 11m

2 stops

BHD9:20 amBelfast City

$893

KLM

May 18

BHD9:50 amBelfast City

16h 24m

2 stops

ORD8:14 pmChicago O'Hare Intl

May 30

ORD4:20 pmChicago O'Hare Intl

11h 00m

1 stop

BHD9:20 amBelfast City

$1,002

Virgin Atlantic flights from Northern Ireland to Illinois

Our best Virgin Atlantic deals on Northern Ireland to Illinois flight tickets

Virgin Atlantic

Apr 27

BHD5:30 pmBelfast City

26h 45m

1 stop

ORD2:15 pmChicago O'Hare Intl

May 4

ORD4:50 pmChicago O'Hare Intl

18h 05m

1 stop

BHD4:55 pmBelfast City

$910

Virgin Atlantic

May 18

BHD5:30 pmBelfast City

26h 45m

1 stop

ORD2:15 pmChicago O'Hare Intl

May 30

ORD4:20 pmChicago O'Hare Intl

11h 00m

1 stop

BHD9:20 amBelfast City

$1,018

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 5/5

5:10 pm-9:25 pm

3 stops34h 15m

Chicago O'Hare Intl

Tue 5/12

11:05 am-3:15 pm

3 stops22h 10m

$836

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 4/27

8:45 am-9:36 am

3 stops30h 51m

Chicago O'Hare Intl

Mon 5/4

4:50 pm-4:50 pm

2 stops18h 00m

$843

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 4/27

8:45 am-9:36 am

3 stops30h 51m

Chicago O'Hare Intl

Mon 5/4

8:45 am-4:50 pm

3 stops26h 05m

$845

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 5/5

8:20 am-6:15 pm

2 stops15h 55m

Chicago O'Hare Intl

Tue 5/12

7:25 pm-8:55 pm

2 stops19h 30m

$846

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 5/5

5:10 pm-9:25 pm

3 stops34h 15m

Chicago O'Hare Intl

Tue 5/12

7:25 pm-3:15 pm

2 stops13h 50m

$851

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 5/5

9:40 am-5:35 pm

1 stop13h 55m

Chicago O'Hare Intl

Tue 5/12

11:22 am-10:45 am

2 stops17h 23m

$860

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 5/5

9:50 am-8:40 pm

2 stops16h 50m

Chicago O'Hare Intl

Tue 5/12

11:09 am-9:20 am

2 stops16h 11m

$893

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 4/27

5:30 pm-2:15 pm

1 stop26h 45m

Chicago O'Hare Intl

Mon 5/4

1:36 pm-4:55 pm

2 stops21h 19m

$910

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Tue 9/1

9:40 am-8:25 pm

2 stops16h 45m

Chicago O'Hare Intl

Tue 9/29

1:59 pm-10:45 am

2 stops14h 46m

$912

Quickest round-trip

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 5/18

9:50 am-8:14 pm

2 stops16h 24m

Chicago O'Hare Intl

Sat 5/30

4:20 pm-9:20 am

1 stop11h 00m

$1,002

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 Northern Ireland to Illinois

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 Northern Ireland to Illinois?

Finnair and British Airways are the most popular carriers operating from Northern Ireland to Illinois

Cheap Northern Ireland to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Illinois

Fastest flight time	23h 25m
Direct flights	None

The fastest flight from Northern Ireland to Illinois takes 23h 25m

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

Search flight deals

When did momondo last update prices for flights from Northern Ireland to Illinois?
Prices for flights from Northern Ireland to Illinois refresh daily.
How old do you have to be to fly from Northern Ireland to Illinois?
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 Northern Ireland to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Illinois?

It is quick and easy to find Northern Ireland to Illinois 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 Illinois that suits you.

Can I find flights from Northern Ireland to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Northern Ireland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Northern Ireland to Illinois?

momondo helps you find the best flight between Northern Ireland and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Northern Ireland to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Northern Ireland 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.