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 May 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.

£287 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 return flights

Enter your travel dates to find the best prices.

22:45 - 22:05

BFS

ORD

29h 20m

2 stops

09:50 - 19:15

ORD

BFS

27h 25m

2 stops

£675Multiple Airlines

Wed, 1 Jul - Wed, 8 Jul

22:45 - 22:05

BFS

ORD

29h 20m

2 stops

17:35 - 19:15

ORD

BFS

19h 40m

2 stops

£687Multiple Airlines

Wed, 1 Jul - Wed, 8 Jul

07:35 - 14:50

BFS

ORD

37h 15m

3 stops

09:50 - 19:15

ORD

BFS

27h 25m

2 stops

£704Multiple Airlines

Wed, 1 Jul - Wed, 8 Jul

07:35 - 14:50

BFS

ORD

37h 15m

3 stops

14:15 - 19:15

ORD

BFS

23h 00m

2 stops

£713Multiple Airlines

Wed, 1 Jul - Wed, 8 Jul

06:40 - 22:05

BFS

ORD

21h 25m

2 stops

09:50 - 18:25

ORD

BFS

26h 35m

2 stops

£733Multiple Airlines

Thu, 2 Jul - Sun, 5 Jul

06:35 - 13:50

BHD

ORD

13h 15m

1 stop

18:50 - 13:55

ORD

BHD

13h 05m

1 stop

£745British Airways

Wed, 4 Nov - Sun, 8 Nov

12:25 - 19:15

BHD

ORD

12h 50m

1 stop

21:45 - 18:40

ORD

BHD

14h 55m

1 stop

£746British Airways

Wed, 4 Nov - Sun, 8 Nov

06:35 - 17:05

BHD

ORD

16h 30m

1 stop

16:34 - 13:55

ORD

BHD

15h 21m

2 stops

£748British Airways

Wed, 4 Nov - Sun, 8 Nov

06:35 - 17:32

BHD

ORD

16h 57m

2 stops

14:03 - 10:20

ORD

BHD

14h 17m

2 stops

£749British Airways

Wed, 4 Nov - Sun, 8 Nov

06:30 - 16:57

BFS

ORD

16h 27m

2 stops

08:45 - 13:20

ORD

BFS

22h 35m

3 stops

£750Multiple Airlines

Mon, 6 Jul - Mon, 13 Jul

British Airways flights from Northern Ireland to Illinois

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

British Airways

4 Nov

BHD06:35Belfast City

13h 15m

1 stop

ORD13:50Chicago O'Hare Intl

8 Nov

ORD18:50Chicago O'Hare Intl

13h 05m

1 stop

BHD13:55Belfast City

£745

British Airways

4 Nov

BHD12:25Belfast City

12h 50m

1 stop

ORD19:15Chicago O'Hare Intl

8 Nov

ORD21:45Chicago O'Hare Intl

14h 55m

1 stop

BHD18:40Belfast City

£746

British Airways

4 Nov

BHD06:35Belfast City

16h 30m

1 stop

ORD17:05Chicago O'Hare Intl

8 Nov

ORD16:34Chicago O'Hare Intl

15h 21m

2 stops

BHD13:55Belfast City

£748

American Airlines flights from Northern Ireland to Illinois

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

American Airlines

20 Jul

BHD06:30Belfast City

14h 30m

1 stop

ORD15:00Chicago O'Hare Intl

30 Jul

ORD17:00Chicago O'Hare Intl

11h 10m

1 stop

BHD10:10Belfast City

£949

American Airlines

21 Jul

BHD06:30Belfast City

21h 30m

2 stops

ORD22:00Chicago O'Hare Intl

28 Jul

ORD22:30Chicago O'Hare Intl

13h 05m

1 stop

BHD17:35Belfast City

£952

American Airlines

17 Jul

BHD06:30Belfast City

12h 00m

1 stop

ORD12:30Chicago O'Hare Intl

3 Aug

ORD22:30Chicago O'Hare Intl

11h 00m

1 stop

BHD15:30Belfast City

£979

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 1/7

22:45-22:05

2 stops29h 20m

Chicago O'Hare Intl

Wed 8/7

09:50-19:15

2 stops27h 25m

£675

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 1/7

22:45-22:05

2 stops29h 20m

Chicago O'Hare Intl

Wed 8/7

17:35-19:15

2 stops19h 40m

£687

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 1/7

07:35-14:50

3 stops37h 15m

Chicago O'Hare Intl

Wed 8/7

09:50-19:15

2 stops27h 25m

£704

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 1/7

07:35-14:50

3 stops37h 15m

Chicago O'Hare Intl

Wed 8/7

14:15-19:15

2 stops23h 00m

£713

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 2/7

06:40-22:05

2 stops21h 25m

Chicago O'Hare Intl

Sun 5/7

09:50-18:25

2 stops26h 35m

£733

Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 4/11

06:35-13:50

1 stop13h 15m

Chicago O'Hare Intl

Sun 8/11

18:50-13:55

1 stop13h 05m

£745

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 4/11

12:25-19:15

1 stop12h 50m

Chicago O'Hare Intl

Sun 8/11

21:45-18:40

1 stop14h 55m

£746

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 4/11

06:35-17:05

1 stop16h 30m

Chicago O'Hare Intl

Sun 8/11

16:34-13:55

2 stops15h 21m

£748

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 4/11

06:35-17:32

2 stops16h 57m

Chicago O'Hare Intl

Sun 8/11

14:03-10:20

2 stops14h 17m

£749

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 6/7

06:30-16:57

2 stops16h 27m

Chicago O'Hare Intl

Mon 13/7

08:45-13:20

3 stops22h 35m

£750

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 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	12h 50m
Direct flights	None

The fastest flight from Northern Ireland to Illinois takes 12h 50m

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

Search flight deals

Frequently asked questions about flying from Northern Ireland to Illinois

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 May 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 £499	Free Cancellation	Rating 6.7 8,007 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.