When did momondo last update prices for flights from Belfast City Airport to Illinois?

Prices for flights from Belfast City Airport to Illinois were last updated today.

How old do you have to be to fly from Belfast City Airport 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 Belfast City Airport to Illinois.

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

The travel and health documents you'll need for your trip to Illinois 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 Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£409 Cheap Flights from Belfast City Airport to Illinois in 2026

Find the cheapest flights from Belfast City Airport to Illinois

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:40 - 18:45BHD Belfast City-ORD Chicago O'Hare Intl

17h 05m1 stop London Heathrow

21:50 - 14:15ORD Chicago O'Hare Intl-BHD Belfast City

10h 25m1 stop London Heathrow

£624British Airways

Thu, 3 Dec - Mon, 7 Dec

08:50 - 19:41BHD Belfast City-ORD Chicago O'Hare Intl

16h 51m2 stops London Heathrow Toronto Pearson Intl

21:50 - 17:25ORD Chicago O'Hare Intl-BHD Belfast City

13h 35m1 stop London Heathrow

£631British Airways

Thu, 3 Dec - Mon, 7 Dec

09:35 - 15:55BHD Belfast City-ORD Chicago O'Hare Intl

12h 20m1 stop London Heathrow

16:26 - 15:30ORD Chicago O'Hare Intl-BHD Belfast City

17h 04m2 stops New York John F Kennedy Intl London Heathrow

£646British Airways

Thu, 1 Oct - Mon, 5 Oct

08:50 - 19:41BHD Belfast City-ORD Chicago O'Hare Intl

16h 51m2 stops London Heathrow Toronto Pearson Intl

15:16 - 14:15ORD Chicago O'Hare Intl-BHD Belfast City

16h 59m2 stops Boston Logan Intl London Heathrow

£653British Airways

Thu, 3 Dec - Mon, 7 Dec

09:35 - 22:04BHD Belfast City-ORD Chicago O'Hare Intl

18h 29m2 stops London Heathrow Dallas/Fort Worth

17:00 - 10:30ORD Chicago O'Hare Intl-BHD Belfast City

11h 30m1 stop London Heathrow

£658British Airways

Fri, 2 Oct - Sun, 4 Oct

11:40 - 19:30BHD Belfast City-ORD Chicago O'Hare Intl

13h 50m1 stop London Heathrow

16:50 - 13:50ORD Chicago O'Hare Intl-BHD Belfast City

15h 00m2 stops Cincinnati Cinci./N. Kentucky London Heathrow

£675British Airways

Wed, 4 Nov - Sun, 8 Nov

11:40 - 19:30BHD Belfast City-ORD Chicago O'Hare Intl

13h 50m1 stop London Heathrow

16:50 - 13:50ORD Chicago O'Hare Intl-BHD Belfast City

15h 00m2 stops Cincinnati Cinci./N. Kentucky London Heathrow

£675British Airways

Wed, 4 Nov - Sun, 8 Nov

11:40 - 19:30BHD Belfast City-ORD Chicago O'Hare Intl

13h 50m1 stop London Heathrow

16:50 - 13:50ORD Chicago O'Hare Intl-BHD Belfast City

15h 00m2 stops Cincinnati Cinci./N. Kentucky London Heathrow

£676British Airways

Wed, 4 Nov - Sun, 8 Nov

09:15 - 18:20BHD Belfast City-ORD Chicago O'Hare Intl

15h 05m2 stops London Heathrow Dublin

16:50 - 13:50ORD Chicago O'Hare Intl-BHD Belfast City

15h 00m2 stops Cincinnati Cinci./N. Kentucky London Heathrow

£677British Airways

Wed, 4 Nov - Sun, 8 Nov

09:15 - 18:20BHD Belfast City-ORD Chicago O'Hare Intl

15h 05m2 stops London Heathrow Dublin

16:50 - 13:50ORD Chicago O'Hare Intl-BHD Belfast City

15h 00m2 stops Cincinnati Cinci./N. Kentucky London Heathrow

£678British Airways

Wed, 4 Nov - Sun, 8 Nov

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British Airways flights from Belfast City Airport to Illinois

Our best British Airways deals on Belfast City Airport to Illinois flight tickets

British Airways

3 Dec

BHD07:40Belfast City

17h 05m

1 stop

ORD18:45Chicago O'Hare Intl

7 Dec

ORD21:50Chicago O'Hare Intl

10h 25m

1 stop

BHD14:15Belfast City

£624

British Airways

3 Dec

BHD08:50Belfast City

16h 51m

2 stops

ORD19:41Chicago O'Hare Intl

7 Dec

ORD21:50Chicago O'Hare Intl

13h 35m

1 stop

BHD17:25Belfast City

£631

British Airways

1 Oct

BHD09:35Belfast City

12h 20m

1 stop

ORD15:55Chicago O'Hare Intl

5 Oct

ORD16:26Chicago O'Hare Intl

17h 04m

2 stops

BHD15:30Belfast City

£646

KLM flights from Belfast City Airport to Illinois

Our best KLM deals on Belfast City Airport to Illinois flight tickets

KLM

1 Oct

BHD09:50Belfast City

16h 40m

2 stops

ORD20:30Chicago O'Hare Intl

5 Oct

ORD10:30Chicago O'Hare Intl

16h 50m

2 stops

BHD09:20Belfast City

£695

KLM

2 Oct

BHD09:50Belfast City

17h 47m

2 stops

ORD21:37Chicago O'Hare Intl

4 Oct

ORD10:30Chicago O'Hare Intl

16h 50m

2 stops

BHD09:20Belfast City

£725

momondo Fare Finder

Use the filters below to find and compare flights from Belfast City Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Thu 3/12

07:40-18:45

1 stop17h 05m

Chicago O'Hare Intl

Mon 7/12

21:50-14:15

1 stop10h 25m

£624

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Thu 3/12

08:50-19:41

2 stops16h 51m

Chicago O'Hare Intl

Mon 7/12

21:50-17:25

1 stop13h 35m

£631

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Thu 1/10

09:35-15:55

1 stop12h 20m

Chicago O'Hare Intl

Mon 5/10

16:26-15:30

2 stops17h 04m

£646

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Thu 3/12

08:50-19:41

2 stops16h 51m

Chicago O'Hare Intl

Mon 7/12

15:16-14:15

2 stops16h 59m

£653

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Fri 2/10

09:35-22:04

2 stops18h 29m

Chicago O'Hare Intl

Sun 4/10

17:00-10:30

1 stop11h 30m

£658

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 4/11

11:40-19:30

1 stop13h 50m

Chicago O'Hare Intl

Sun 8/11

16:50-13:50

2 stops15h 00m

£675

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 4/11

11:40-19:30

1 stop13h 50m

Chicago O'Hare Intl

Sun 8/11

16:50-13:50

2 stops15h 00m

£675

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 4/11

11:40-19:30

1 stop13h 50m

Chicago O'Hare Intl

Sun 8/11

16:50-13:50

2 stops15h 00m

£676

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 4/11

09:15-18:20

2 stops15h 05m

Chicago O'Hare Intl

Sun 8/11

16:50-13:50

2 stops15h 00m

£677

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 4/11

09:15-18:20

2 stops15h 05m

Chicago O'Hare Intl

Sun 8/11

16:50-13:50

2 stops15h 00m

£678

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 Belfast City Airport 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 Belfast City to Illinois?

British Airways is the most popular carrier operating from Belfast City to Illinois

Cheap Belfast City Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast City Airport to Illinois

Best price found	£409
Fastest flight time	16h 15m
Direct flights	None

The best one-way flight to Illinois from Belfast City Airport in the past 72 hours is £409. The best return flight deal from Belfast City Airport to Illinois found on momondo in the last 72 hours is £624.

The fastest flight from Belfast City Airport to Illinois takes 16h 15m

There are no direct flights from Belfast City Airport to Illinois. There are no popular flight routes from Belfast City Airport to Illinois.

Search flight deals

Frequently asked questions about flying from Belfast City Airport to Illinois

When did momondo last update prices for flights from Belfast City Airport to Illinois?
Prices for flights from Belfast City Airport to Illinois were last updated today.
How old do you have to be to fly from Belfast City Airport 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 Belfast City Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois 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 Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Belfast 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 Belfast.

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

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

How can momondo help me find flights from Belfast to Illinois?

Once all potential Belfast to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Illinois from Belfast. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.