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

Prices for flights from Northern Ireland to Illinois are refreshed on a daily basis.

How many operators does momondo search for flights from Northern Ireland to Illinois?

As of February 2026, there is 1 operator available to choose from for flights from Northern Ireland to Illinois.

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

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 Northern Ireland to Illinois.

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

The travel and health documents required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£555 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

Cheap return flights

Enter your travel dates to find the best prices.

09:15 - 13:20

BFS

ORD

34h 05m

2 stops

19:25 - 23:20

ORD

BFS

21h 55m

3 stops

£555Multiple Airlines

Mon, 13 Apr - Mon, 20 Apr

08:45 - 13:20

BHD

ORD

34h 35m

2 stops

16:50 - 16:50

ORD

BHD

18h 00m

2 stops

£568Multiple Airlines

Mon, 13 Apr - Mon, 20 Apr

07:40 - 18:15

BFS

ORD

40h 35m

3 stops

19:25 - 22:40

ORD

BFS

21h 15m

3 stops

£578Multiple Airlines

Sat, 11 Apr - Sat, 18 Apr

08:45 - 13:20

BHD

ORD

34h 35m

2 stops

19:25 - 09:20

ORD

BHD

31h 55m

3 stops

£583Multiple Airlines

Mon, 13 Apr - Mon, 20 Apr

09:40 - 17:35

BHD

ORD

13h 55m

1 stop

19:05 - 12:55

ORD

BHD

11h 50m

1 stop

£590American Airlines

Mon, 13 Apr - Mon, 20 Apr

17:30 - 14:15

BHD

ORD

26h 45m

1 stop

19:09 - 16:55

ORD

BHD

15h 46m

2 stops

£608KLM

Mon, 13 Apr - Mon, 20 Apr

21:05 - 00:22

BFS

ORD

33h 17m

3 stops

19:25 - 21:55

ORD

BFS

20h 30m

3 stops

£612Multiple Airlines

Sun, 12 Apr - Sun, 19 Apr

11:30 - 10:56

BHD

ORD

28h 26m

2 stops

20:40 - 17:30

ORD

BHD

14h 50m

1 stop

£633Finnair

Mon, 23 Mar - Mon, 30 Mar

09:05 - 16:25

BHD

ORD

12h 20m

1 stop

18:44 - 16:05

ORD

BHD

16h 21m

2 stops

£651British Airways

Thu, 19 Mar - Mon, 23 Mar

06:35 - 16:25

BHD

ORD

14h 50m

1 stop

15:16 - 14:15

ORD

BHD

17h 59m

2 stops

£652British Airways

Thu, 19 Mar - Mon, 23 Mar

British Airways flights from Northern Ireland to Illinois

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

British Airways

19 Mar

BHD09:05Belfast City

12h 20m

1 stop

ORD16:25Chicago O'Hare Intl

23 Mar

ORD18:44Chicago O'Hare Intl

16h 21m

2 stops

BHD16:05Belfast City

£651

British Airways

19 Mar

BHD06:35Belfast City

14h 50m

1 stop

ORD16:25Chicago O'Hare Intl

23 Mar

ORD21:35Chicago O'Hare Intl

13h 30m

1 stop

BHD16:05Belfast City

£652

British Airways

13 Mar

BHD06:45Belfast City

16h 15m

1 stop

ORD18:00Chicago O'Hare Intl

17 Mar

ORD13:39Chicago O'Hare Intl

16h 51m

2 stops

BHD11:30Belfast City

£653

American Airlines flights from Northern Ireland to Illinois

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

American Airlines

13 Apr

BHD09:40Belfast City

13h 55m

1 stop

ORD17:35Chicago O'Hare Intl

20 Apr

ORD19:05Chicago O'Hare Intl

11h 50m

1 stop

BHD12:55Belfast City

£590

American Airlines

13 Mar

BHD06:45Belfast City

14h 40m

1 stop

ORD16:25Chicago O'Hare Intl

17 Mar

ORD18:10Chicago O'Hare Intl

12h 20m

1 stop

BHD11:30Belfast City

£678

momondo Fare Finder

Use the filters below to find and compare flights from Northern Ireland to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 13/4

09:15-13:20

2 stops34h 05m

Chicago O'Hare Intl

Mon 20/4

19:25-23:20

3 stops21h 55m

£555

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 13/4

08:45-13:20

2 stops34h 35m

Chicago O'Hare Intl

Mon 20/4

16:50-16:50

2 stops18h 00m

£568

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sat 11/4

07:40-18:15

3 stops40h 35m

Chicago O'Hare Intl

Sat 18/4

19:25-22:40

3 stops21h 15m

£578

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 13/4

08:45-13:20

2 stops34h 35m

Chicago O'Hare Intl

Mon 20/4

19:25-09:20

3 stops31h 55m

£583

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 13/4

09:40-17:35

1 stop13h 55m

Chicago O'Hare Intl

Mon 20/4

19:05-12:55

1 stop11h 50m

£590

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 13/4

17:30-14:15

1 stop26h 45m

Chicago O'Hare Intl

Mon 20/4

19:09-16:55

2 stops15h 46m

£608

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 12/4

21:05-00:22

3 stops33h 17m

Chicago O'Hare Intl

Sun 19/4

19:25-21:55

3 stops20h 30m

£612

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 23/3

11:30-10:56

2 stops28h 26m

Chicago O'Hare Intl

Mon 30/3

20:40-17:30

1 stop14h 50m

£633

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 19/3

09:05-16:25

1 stop12h 20m

Chicago O'Hare Intl

Mon 23/3

18:44-16:05

2 stops16h 21m

£651

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 19/3

06:35-16:25

1 stop14h 50m

Chicago O'Hare Intl

Mon 23/3

15:16-14:15

2 stops17h 59m

£652

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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?

British Airways is the most popular carrier 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	14h 25m
Direct flights	None

The fastest flight from Northern Ireland to Illinois takes 14h 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 are refreshed on a daily basis.
How many operators does momondo search for flights from Northern Ireland to Illinois?
As of February 2026, there is 1 operator available to choose from for flights from Northern Ireland to Illinois.
How old do you have to be to fly from Northern Ireland to Illinois?
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 Northern Ireland to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Northern Ireland to Illinois

Compare and see reviews for airlines that fly from Northern Ireland to Illinois with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £496	Free Cancellation	Rating 6.7 7,772 reviews		Search British Airways flights

Why use momondo?

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

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 Illinois from Northern Ireland.

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

All flight searches from Northern Ireland to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Northern Ireland to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Northern Ireland and alert you when they change.