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

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

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 necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£464 Cheap Flights from Belfast to Illinois in 2026

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Find the cheapest flights from Belfast to Illinois

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

08:20 - 20:05

BFS

ORD

17h 45m

3 stops

09:50 - 21:35

ORD

BFS

29h 45m

2 stops

£639Multiple Airlines

Thu, 9 Jul - Mon, 13 Jul

21:20 - 12:40

BFS

ORD

45h 20m

3 stops

17:35 - 14:30

ORD

BFS

14h 55m

2 stops

£644Multiple Airlines

Tue, 14 Jul - Wed, 22 Jul

11:30 - 18:45

BHD

ORD

13h 15m

1 stop

17:10 - 14:15

ORD

BHD

15h 05m

1 stop

£655British Airways

Mon, 9 Nov - Fri, 13 Nov

11:30 - 18:45

BHD

ORD

13h 15m

1 stop

17:10 - 14:15

ORD

BHD

15h 05m

1 stop

£655British Airways

Mon, 9 Nov - Fri, 13 Nov

08:20 - 22:05

BFS

ORD

19h 45m

2 stops

09:50 - 21:35

ORD

BFS

29h 45m

2 stops

£657Multiple Airlines

Thu, 9 Jul - Mon, 13 Jul

06:35 - 18:25

BHD

ORD

17h 50m

2 stops

16:40 - 14:15

ORD

BHD

15h 35m

2 stops

£658British Airways

Mon, 9 Nov - Fri, 13 Nov

06:35 - 17:41

BHD

ORD

17h 06m

2 stops

16:40 - 14:15

ORD

BHD

15h 35m

2 stops

£660British Airways

Mon, 9 Nov - Fri, 13 Nov

11:30 - 18:45

BHD

ORD

13h 15m

1 stop

17:10 - 14:15

ORD

BHD

15h 05m

1 stop

£662British Airways

Mon, 9 Nov - Fri, 13 Nov

11:30 - 18:45

BHD

ORD

13h 15m

1 stop

14:03 - 10:30

ORD

BHD

14h 27m

2 stops

£664British Airways

Mon, 9 Nov - Fri, 13 Nov

11:30 - 18:45

BHD

ORD

13h 15m

1 stop

14:03 - 10:30

ORD

BHD

14h 27m

2 stops

£664British Airways

Mon, 9 Nov - Fri, 13 Nov

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Virgin Atlantic flights from Belfast to Illinois

Our best Virgin Atlantic deals on Belfast to Illinois flight tickets

Virgin Atlantic

13 Jul

BHD17:30Belfast City

32h 00m

2 stops

ORD19:30Chicago O'Hare Intl

18 Jul

ORD16:30Chicago O'Hare Intl

34h 50m

2 stops

BHD09:20Belfast City

£864

Virgin Atlantic

13 Jul

BHD17:30Belfast City

26h 45m

1 stop

ORD14:15Chicago O'Hare Intl

18 Jul

ORD16:30Chicago O'Hare Intl

34h 50m

2 stops

BHD09:20Belfast City

£874

Virgin Atlantic

13 Jul

BHD17:30Belfast City

26h 45m

1 stop

ORD14:15Chicago O'Hare Intl

18 Jul

ORD16:20Chicago O'Hare Intl

18h 35m

1 stop

BHD16:55Belfast City

£904

British Airways flights from Belfast to Illinois

Our best British Airways deals on Belfast to Illinois flight tickets

British Airways

9 Nov

BHD11:30Belfast City

13h 15m

1 stop

ORD18:45Chicago O'Hare Intl

13 Nov

ORD17:10Chicago O'Hare Intl

15h 05m

1 stop

BHD14:15Belfast City

£655

British Airways

9 Nov

BHD11:30Belfast City

13h 15m

1 stop

ORD18:45Chicago O'Hare Intl

13 Nov

ORD17:10Chicago O'Hare Intl

15h 05m

1 stop

BHD14:15Belfast City

£655

British Airways

9 Nov

BHD06:35Belfast City

17h 50m

2 stops

ORD18:25Chicago O'Hare Intl

13 Nov

ORD16:40Chicago O'Hare Intl

15h 35m

2 stops

BHD14:15Belfast City

£658

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 9/7

08:20-20:05

3 stops17h 45m

Chicago O'Hare Intl

Mon 13/7

09:50-21:35

2 stops29h 45m

£639

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Tue 14/7

21:20-12:40

3 stops45h 20m

Chicago O'Hare Intl

Wed 22/7

17:35-14:30

2 stops14h 55m

£644

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

11:30-18:45

1 stop13h 15m

Chicago O'Hare Intl

Fri 13/11

17:10-14:15

1 stop15h 05m

£655

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

11:30-18:45

1 stop13h 15m

Chicago O'Hare Intl

Fri 13/11

17:10-14:15

1 stop15h 05m

£655

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Thu 9/7

08:20-22:05

2 stops19h 45m

Chicago O'Hare Intl

Mon 13/7

09:50-21:35

2 stops29h 45m

£657

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

06:35-18:25

2 stops17h 50m

Chicago O'Hare Intl

Fri 13/11

16:40-14:15

2 stops15h 35m

£658

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

06:35-17:41

2 stops17h 06m

Chicago O'Hare Intl

Fri 13/11

16:40-14:15

2 stops15h 35m

£660

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

11:30-18:45

1 stop13h 15m

Chicago O'Hare Intl

Fri 13/11

17:10-14:15

1 stop15h 05m

£662

Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

11:30-18:45

1 stop13h 15m

Chicago O'Hare Intl

Fri 13/11

14:03-10:30

2 stops14h 27m

£664

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Mon 9/11

11:30-18:45

1 stop13h 15m

Chicago O'Hare Intl

Fri 13/11

14:03-10:30

2 stops14h 27m

£664

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 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?

British Airways is the most popular carrier 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

Fastest flight time	12h 00m
Direct flights	None

The fastest flight from Belfast to Illinois takes 12h 00m

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

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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 were last updated today.
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 necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Belfast to Illinois

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £507	Free Cancellation	Rating 6.7 8,056 reviews		Search British Airways flights

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?

Flights from Belfast to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Illinois from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Belfast 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 Belfast and alert you when they change.