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

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

How many operators does momondo search for flights from Belfast to Illinois?

There is 1 operator available for flights from Belfast to Illinois as of May 2026.

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.

£287 Cheap Flights from Belfast to Illinois in 2026

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Find the cheapest flights from Belfast to Illinois

Round-trip

One-way

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

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

22:45 - 16:57

BFS

ORD

24h 12m

2 stops

09:50 - 20:05

ORD

BFS

28h 15m

2 stops

£718Multiple Airlines

Wed, 1 Jul - Wed, 8 Jul

11:25 - 19:15

BHD

ORD

13h 50m

1 stop

18:35 - 16:50

ORD

BHD

16h 15m

2 stops

£745British Airways

Wed, 4 Nov - Sun, 8 Nov

06:35 - 17:55

BHD

ORD

17h 20m

2 stops

14:03 - 10:20

ORD

BHD

14h 17m

2 stops

£749British Airways

Wed, 4 Nov - Sun, 8 Nov

05:55 - 10:16

BFS

ORD

34h 21m

3 stops

09:50 - 19:15

ORD

BFS

27h 25m

2 stops

£792Multiple Airlines

Wed, 1 Jul - Wed, 8 Jul

07:20 - 16:57

BFS

ORD

15h 37m

2 stops

19:25 - 21:15

ORD

BFS

19h 50m

3 stops

£810Multiple Airlines

Fri, 3 Jul - Fri, 10 Jul

05:55 - 10:16

BFS

ORD

34h 21m

3 stops

08:45 - 12:05

ORD

BFS

21h 20m

3 stops

£828Multiple Airlines

Wed, 1 Jul - Wed, 8 Jul

07:20 - 10:16

BFS

ORD

32h 56m

3 stops

19:25 - 21:15

ORD

BFS

19h 50m

3 stops

£861Multiple Airlines

Fri, 3 Jul - Fri, 10 Jul

07:20 - 22:05

BFS

ORD

20h 45m

2 stops

09:50 - 21:15

ORD

BFS

29h 25m

2 stops

£887Multiple Airlines

Fri, 3 Jul - Fri, 10 Jul

British Airways flights from Belfast to Illinois

Our best British Airways deals on Belfast to Illinois flight tickets

British Airways

4 Nov

BHD06:35Belfast City

18h 10m

1 stop

ORD18:45Chicago O'Hare Intl

8 Nov

ORD17:10Chicago O'Hare Intl

11h 10m

1 stop

BHD10:20Belfast City

£745

British Airways

4 Nov

BHD06:35Belfast City

17h 20m

2 stops

ORD17:55Chicago O'Hare Intl

8 Nov

ORD14:03Chicago O'Hare Intl

14h 17m

2 stops

BHD10:20Belfast City

£749

Virgin Atlantic flights from Belfast to Illinois

Our best Virgin Atlantic deals on Belfast to Illinois flight tickets

Virgin Atlantic

2 Jun

BHD17:30Belfast City

27h 00m

1 stop

ORD14:30Chicago O'Hare Intl

6 Jun

ORD16:20Chicago O'Hare Intl

11h 00m

1 stop

BHD09:20Belfast City

£1,016

Virgin Atlantic

2 Jun

BHD17:30Belfast City

28h 59m

2 stops

ORD16:29Chicago O'Hare Intl

6 Jun

ORD16:20Chicago O'Hare Intl

11h 00m

1 stop

BHD09:20Belfast City

£1,018

Virgin Atlantic

9 Jun

BHD17:30Belfast City

27h 00m

1 stop

ORD14:30Chicago O'Hare Intl

7 Jul

ORD16:20Chicago O'Hare Intl

11h 00m

1 stop

BHD09:20Belfast City

£1,604

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

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

22:45-16:57

2 stops24h 12m

Chicago O'Hare Intl

Wed 8/7

09:50-20:05

2 stops28h 15m

£718

Fastest return journey

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 4/11

11:25-19:15

1 stop13h 50m

Chicago O'Hare Intl

Sun 8/11

18:35-16:50

2 stops16h 15m

£745

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Wed 4/11

06:35-17:55

2 stops17h 20m

Chicago O'Hare Intl

Sun 8/11

14:03-10:20

2 stops14h 17m

£749

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 1/7

05:55-10:16

3 stops34h 21m

Chicago O'Hare Intl

Wed 8/7

09:50-19:15

2 stops27h 25m

£792

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 3/7

07:20-16:57

2 stops15h 37m

Chicago O'Hare Intl

Fri 10/7

19:25-21:15

3 stops19h 50m

£810

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Wed 1/7

05:55-10:16

3 stops34h 21m

Chicago O'Hare Intl

Wed 8/7

08:45-12:05

3 stops21h 20m

£828

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 3/7

07:20-10:16

3 stops32h 56m

Chicago O'Hare Intl

Fri 10/7

19:25-21:15

3 stops19h 50m

£861

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Fri 3/7

07:20-22:05

2 stops20h 45m

Chicago O'Hare Intl

Fri 10/7

09:50-21:15

2 stops29h 25m

£887

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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	18h 10m
Direct flights	None

The fastest flight from Belfast to Illinois takes 18h 10m

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 were last updated today.
How many operators does momondo search for flights from Belfast to Illinois?
There is 1 operator available for flights from Belfast to Illinois as of May 2026.
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 £500	Free Cancellation	Rating 6.7 7,995 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.