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 April 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.

£318 Cheap Flights from Northern Ireland to Illinois in 2026

1 adult

0 bags

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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.

07:00 - 11:50

BFS

ORD

34h 50m

2 stops

09:55 - 17:05

ORD

BFS

25h 10m

2 stops

£629Multiple Airlines

Wed, 10 Jun - Wed, 17 Jun

22:10 - 21:25

BFS

ORD

29h 15m

3 stops

09:55 - 21:00

ORD

BFS

29h 05m

2 stops

£677Multiple Airlines

Sun, 7 Jun - Sun, 14 Jun

06:30 - 15:00

BHD

ORD

14h 30m

1 stop

22:35 - 18:45

ORD

BHD

14h 10m

1 stop

£712British Airways

Thu, 1 Oct - Mon, 5 Oct

20:35 - 12:30

BHD

ORD

21h 55m

1 stop

17:55 - 12:55

ORD

BHD

13h 00m

1 stop

£713British Airways

Thu, 1 Oct - Mon, 5 Oct

09:35 - 17:35

BHD

ORD

14h 00m

1 stop

13:43 - 12:55

ORD

BHD

17h 12m

2 stops

£714British Airways

Thu, 1 Oct - Mon, 5 Oct

06:30 - 15:00

BHD

ORD

14h 30m

1 stop

13:43 - 12:55

ORD

BHD

17h 12m

2 stops

£715British Airways

Thu, 1 Oct - Mon, 5 Oct

06:10 - 11:50

BFS

ORD

35h 40m

3 stops

09:55 - 17:05

ORD

BFS

25h 10m

2 stops

£718Multiple Airlines

Wed, 10 Jun - Wed, 17 Jun

09:35 - 19:26

BHD

ORD

15h 51m

2 stops

18:26 - 15:30

ORD

BHD

15h 04m

2 stops

£718British Airways

Thu, 1 Oct - Mon, 5 Oct

06:10 - 21:25

BFS

ORD

21h 15m

2 stops

22:25 - 20:25

ORD

BFS

16h 00m

2 stops

£733Multiple Airlines

Mon, 8 Jun - Mon, 15 Jun

09:50 - 22:35

BHD

ORD

18h 45m

2 stops

08:42 - 09:20

ORD

BHD

18h 38m

2 stops

£923Delta

Sun, 17 May - Sun, 24 May

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British Airways flights from Northern Ireland to Illinois

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

British Airways

1 Oct

BHD06:30Belfast City

14h 30m

1 stop

ORD15:00Chicago O'Hare Intl

5 Oct

ORD22:35Chicago O'Hare Intl

14h 10m

1 stop

BHD18:45Belfast City

£712

British Airways

1 Oct

BHD20:35Belfast City

21h 55m

1 stop

ORD12:30Chicago O'Hare Intl

5 Oct

ORD17:55Chicago O'Hare Intl

13h 00m

1 stop

BHD12:55Belfast City

£713

British Airways

1 Oct

BHD09:35Belfast City

14h 00m

1 stop

ORD17:35Chicago O'Hare Intl

5 Oct

ORD13:43Chicago O'Hare Intl

17h 12m

2 stops

BHD12:55Belfast City

£714

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 10/6

07:00-11:50

2 stops34h 50m

Chicago O'Hare Intl

Wed 17/6

09:55-17:05

2 stops25h 10m

£629

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 7/6

22:10-21:25

3 stops29h 15m

Chicago O'Hare Intl

Sun 14/6

09:55-21:00

2 stops29h 05m

£677

Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 1/10

06:30-15:00

1 stop14h 30m

Chicago O'Hare Intl

Mon 5/10

22:35-18:45

1 stop14h 10m

£712

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 1/10

20:35-12:30

1 stop21h 55m

Chicago O'Hare Intl

Mon 5/10

17:55-12:55

1 stop13h 00m

£713

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 1/10

09:35-17:35

1 stop14h 00m

Chicago O'Hare Intl

Mon 5/10

13:43-12:55

2 stops17h 12m

£714

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 1/10

06:30-15:00

1 stop14h 30m

Chicago O'Hare Intl

Mon 5/10

13:43-12:55

2 stops17h 12m

£715

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 10/6

06:10-11:50

3 stops35h 40m

Chicago O'Hare Intl

Wed 17/6

09:55-17:05

2 stops25h 10m

£718

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 1/10

09:35-19:26

2 stops15h 51m

Chicago O'Hare Intl

Mon 5/10

18:26-15:30

2 stops15h 04m

£718

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Mon 8/6

06:10-21:25

2 stops21h 15m

Chicago O'Hare Intl

Mon 15/6

22:25-20:25

2 stops16h 00m

£733

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 17/5

09:50-22:35

2 stops18h 45m

Chicago O'Hare Intl

Sun 24/5

08:42-09:20

2 stops18h 38m

£923

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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 00m
Direct flights	None

The fastest flight from Northern Ireland to Illinois takes 14h 00m

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 April 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 £495	Free Cancellation	Rating 6.7 7,928 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.