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

Prices for flights from Belfast to Illinois refresh daily.

How old do you have to be to fly from Belfast to Illinois?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast 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.

$447 Cheap Flights from Belfast to Illinois in 2026/27

Find the cheapest flights from Belfast to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:40 am - 7:15 pmBHD Belfast City-ORD Chicago O'Hare Intl

13h 35m1 stop London Heathrow

10:00 pm - 3:30 pmORD Chicago O'Hare Intl-BHD Belfast City

11h 30m1 stop London Heathrow

$954British Airways

Mon, Mar 8 - Mon, Mar 29

11:40 am - 6:45 pmBHD Belfast City-ORD Chicago O'Hare Intl

13h 05m1 stop London Heathrow

3:59 pm - 12:55 pmORD Chicago O'Hare Intl-BHD Belfast City

14h 56m2 stops New York John F Kennedy Intl London Heathrow

$956British Airways

Mon, Mar 8 - Mon, Mar 29

9:25 am - 10:00 pmBHD Belfast City-ORD Chicago O'Hare Intl

18h 35m2 stops London Heathrow New York John F Kennedy Intl

1:21 pm - 12:55 pmORD Chicago O'Hare Intl-BHD Belfast City

17h 34m2 stops Newark London Heathrow

$960British Airways

Mon, Mar 8 - Mon, Mar 29

8:40 am - 6:45 pmBHD Belfast City-ORD Chicago O'Hare Intl

16h 05m1 stop London Heathrow

9:50 pm - 6:50 pmORD Chicago O'Hare Intl-BHD Belfast City

15h 00m1 stop London Heathrow

$1,051British Airways

Wed, Dec 2 - Sun, Dec 6

8:40 am - 6:45 pmBHD Belfast City-ORD Chicago O'Hare Intl

16h 05m1 stop London Heathrow

9:50 pm - 6:50 pmORD Chicago O'Hare Intl-BHD Belfast City

15h 00m1 stop London Heathrow

$1,055British Airways

Wed, Dec 2 - Sun, Dec 6

8:40 am - 8:23 pmBHD Belfast City-ORD Chicago O'Hare Intl

17h 43m2 stops London Heathrow Philadelphia

9:50 pm - 6:50 pmORD Chicago O'Hare Intl-BHD Belfast City

15h 00m1 stop London Heathrow

$1,057British Airways

Wed, Dec 2 - Sun, Dec 6

8:40 am - 8:23 pmBHD Belfast City-ORD Chicago O'Hare Intl

17h 43m2 stops London Heathrow Philadelphia

9:50 pm - 6:50 pmORD Chicago O'Hare Intl-BHD Belfast City

15h 00m1 stop London Heathrow

$1,060British Airways

Wed, Dec 2 - Sun, Dec 6

8:40 am - 8:23 pmBHD Belfast City-ORD Chicago O'Hare Intl

17h 43m2 stops London Heathrow Philadelphia

9:50 pm - 6:50 pmORD Chicago O'Hare Intl-BHD Belfast City

15h 00m1 stop London Heathrow

$1,061British Airways

Wed, Dec 2 - Sun, Dec 6

8:40 am - 8:23 pmBHD Belfast City-ORD Chicago O'Hare Intl

17h 43m2 stops London Heathrow Philadelphia

11:35 am - 10:45 amORD Chicago O'Hare Intl-BHD Belfast City

17h 10m2 stops Charlotte Douglas London Heathrow

$1,099British Airways

Wed, Dec 2 - Sun, Dec 6

8:40 am - 8:23 pmBHD Belfast City-ORD Chicago O'Hare Intl

17h 43m2 stops London Heathrow Philadelphia

11:35 am - 10:45 amORD Chicago O'Hare Intl-BHD Belfast City

17h 10m2 stops Charlotte Douglas London Heathrow

$1,103British Airways

Wed, Dec 2 - Sun, Dec 6

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

British Airways flights from Belfast to Illinois

Our best British Airways deals on Belfast to Illinois flight tickets

British Airways

Mar 8

BHD11:40 amBelfast City

13h 35m

1 stop

ORD7:15 pmChicago O'Hare Intl

Mar 29

ORD10:00 pmChicago O'Hare Intl

11h 30m

1 stop

BHD3:30 pmBelfast City

$954

British Airways

Mar 8

BHD11:40 amBelfast City

13h 05m

1 stop

ORD6:45 pmChicago O'Hare Intl

Mar 29

ORD3:59 pmChicago O'Hare Intl

14h 56m

2 stops

BHD12:55 pmBelfast City

$956

British Airways

Mar 8

BHD9:25 amBelfast City

18h 35m

2 stops

ORD10:00 pmChicago O'Hare Intl

Mar 29

ORD1:21 pmChicago O'Hare Intl

17h 34m

2 stops

BHD12:55 pmBelfast City

$960

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Mon 3/8

11:40 am-7:15 pm

1 stop13h 35m

Chicago O'Hare Intl

Mon 3/29

10:00 pm-3:30 pm

1 stop11h 30m

$954

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Mon 3/8

11:40 am-6:45 pm

1 stop13h 05m

Chicago O'Hare Intl

Mon 3/29

3:59 pm-12:55 pm

2 stops14h 56m

$956

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Mon 3/8

9:25 am-10:00 pm

2 stops18h 35m

Chicago O'Hare Intl

Mon 3/29

1:21 pm-12:55 pm

2 stops17h 34m

$960

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 12/2

8:40 am-6:45 pm

1 stop16h 05m

Chicago O'Hare Intl

Sun 12/6

9:50 pm-6:50 pm

1 stop15h 00m

$1,051

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 12/2

8:40 am-6:45 pm

1 stop16h 05m

Chicago O'Hare Intl

Sun 12/6

9:50 pm-6:50 pm

1 stop15h 00m

$1,055

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 12/2

8:40 am-8:23 pm

2 stops17h 43m

Chicago O'Hare Intl

Sun 12/6

9:50 pm-6:50 pm

1 stop15h 00m

$1,057

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 12/2

8:40 am-8:23 pm

2 stops17h 43m

Chicago O'Hare Intl

Sun 12/6

9:50 pm-6:50 pm

1 stop15h 00m

$1,060

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 12/2

8:40 am-8:23 pm

2 stops17h 43m

Chicago O'Hare Intl

Sun 12/6

9:50 pm-6:50 pm

1 stop15h 00m

$1,061

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 12/2

8:40 am-8:23 pm

2 stops17h 43m

Chicago O'Hare Intl

Sun 12/6

11:35 am-10:45 am

2 stops17h 10m

$1,099

BelfastChicago

BHD Belfast City - ORD Chicago O'Hare Intl

BHDORD

Belfast City

Wed 12/2

8:40 am-8:23 pm

2 stops17h 43m

Chicago O'Hare Intl

Sun 12/6

11:35 am-10:45 am

2 stops17h 10m

$1,103

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from Belfast 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 to Illinois?

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

Cheap Belfast to Illinois flight deals and tips

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

Best Price Found	$447
Fastest flight time	13h 05m
Direct flights	None

The best one-way flight to Illinois from Belfast in the past 72 hours is $447. The best round-trip flight deal from Belfast to Illinois found on momondo in the last 72 hours is $954.

The fastest flight from Belfast to Illinois takes 13h 05m

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

Search flight deals

Frequently asked questions about flying from Belfast to Illinois

When did momondo last update prices for flights from Belfast to Illinois?
Prices for flights from Belfast to Illinois refresh daily.
How old do you have to be to fly from Belfast to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast 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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to Illinois.

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

Price alerts on flights to Illinois from Belfast 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.