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Cheap flights from Illinois to Belfast from £293

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Belfast departing on 15/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Illinois to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
17:10 - 10:20
ORD
-
BHD
11h 10m1 stop
British Airways Logo
19:25 - 13:50
BHD
-
ORD
24h 25m1 stop
£502British Airways
Thu, 22 Jan - Mon, 26 Jan
American Airlines Logo
18:25 - 13:55
ORD
-
BHD
13h 30m1 stop
American Airlines Logo
09:10 - 17:00
BHD
-
ORD
13h 50m1 stop
£520American Airlines
Sun, 18 Jan - Sun, 25 Jan
British Airways Logo
11:44 - 10:20
ORD
-
BHD
16h 36m2 stops
British Airways Logo
19:25 - 07:12
BHD
-
ORD
41h 47m2 stops
£520British Airways
Thu, 22 Jan - Mon, 26 Jan
British Airways Logo
17:10 - 10:15
ORD
-
BHD
11h 05m1 stop
British Airways Logo
20:25 - 14:50
BHD
-
ORD
23h 25m1 stop
£521British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
21:45 - 18:50
ORD
-
BHD
15h 05m1 stop
British Airways Logo
19:25 - 07:12
BHD
-
ORD
41h 47m2 stops
£522British Airways
Thu, 22 Jan - Mon, 26 Jan
British Airways Logo
17:26 - 10:20
ORD
-
BHD
34h 54m2 stops
British Airways Logo
18:00 - 12:38
BHD
-
ORD
48h 38m2 stops
£522British Airways
Sat, 24 Jan - Sat, 31 Jan
American Airlines Logo
13:25 - 10:20
ORD
-
BHD
14h 55m2 stops
American Airlines Logo
09:10 - 17:00
BHD
-
ORD
13h 50m1 stop
£523American Airlines
Sun, 18 Jan - Sun, 25 Jan
KLM Logo
18:55 - 16:50
STL
-
BHD
15h 55m2 stops
KLM Logo
17:20 - 21:38
BHD
-
STL
34h 18m2 stops
£591KLM
Mon, 12 Jan - Tue, 20 Jan
KLM Logo
18:55 - 16:50
STL
-
BHD
15h 55m2 stops
KLM Logo
17:20 - 23:37
BHD
-
STL
36h 17m2 stops
£594KLM
Mon, 12 Jan - Tue, 20 Jan
KLM Logo
17:59 - 16:50
MDW
-
BHD
16h 51m2 stops
KLM Logo
17:20 - 17:55
BHD
-
MDW
30h 35m2 stops
£940KLM
Sun, 18 Jan - Sat, 24 Jan

British Airways flights from Illinois to Belfast City Airport

Our best British Airways deals on Illinois to Belfast City Airport flight tickets
British Airways
22 Jan
ORD17:10Chicago O'Hare Intl
11h 10m
1 stop
BHD10:20Belfast City
29 Jan
BHD10:40Belfast City
14h 05m
1 stop
ORD18:45Chicago O'Hare Intl
£494
Find similar
British Airways
22 Jan
ORD17:10Chicago O'Hare Intl
11h 10m
1 stop
BHD10:20Belfast City
26 Jan
BHD19:25Belfast City
24h 25m
1 stop
ORD13:50Chicago O'Hare Intl
£502
Find similar
British Airways
22 Jan
ORD11:44Chicago O'Hare Intl
16h 36m
2 stops
BHD10:20Belfast City
29 Jan
BHD06:35Belfast City
17h 07m
2 stops
ORD17:42Chicago O'Hare Intl
£513
Find similar

American Airlines flights from Illinois to Belfast City Airport

Our best American Airlines deals on Illinois to Belfast City Airport flight tickets
American Airlines
18 Jan
ORD18:25Chicago O'Hare Intl
13h 30m
1 stop
BHD13:55Belfast City
25 Jan
BHD09:10Belfast City
13h 50m
1 stop
ORD17:00Chicago O'Hare Intl
£520
Find similar
American Airlines
18 Jan
ORD13:25Chicago O'Hare Intl
14h 55m
2 stops
BHD10:20Belfast City
25 Jan
BHD09:10Belfast City
13h 50m
1 stop
ORD17:00Chicago O'Hare Intl
£523
Find similar
American Airlines
18 Jan
ORD13:25Chicago O'Hare Intl
14h 55m
2 stops
BHD10:20Belfast City
25 Jan
BHD06:30Belfast City
17h 12m
2 stops
ORD17:42Chicago O'Hare Intl
£531
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Illinois to Belfast City Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 26 December 2025.
Use the filters below to find and compare flights from Illinois to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 22/1

17:10-10:20

1 stop11h 10m

Belfast City

Mon 26/1

19:25-13:50

1 stop24h 25m

£502

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 18/1

18:25-13:55

1 stop13h 30m

Belfast City

Sun 25/1

09:10-17:00

1 stop13h 50m

£520

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 22/1

11:44-10:20

2 stops16h 36m

Belfast City

Mon 26/1

19:25-07:12

2 stops41h 47m

£520

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 4/3

17:10-10:15

1 stop11h 05m

Belfast City

Sun 8/3

20:25-14:50

1 stop23h 25m

£521

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Thu 22/1

21:45-18:50

1 stop15h 05m

Belfast City

Mon 26/1

19:25-07:12

2 stops41h 47m

£522

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sat 24/1

17:26-10:20

2 stops34h 54m

Belfast City

Sat 31/1

18:00-12:38

2 stops48h 38m

£522

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 18/1

13:25-10:20

2 stops14h 55m

Belfast City

Sun 25/1

09:10-17:00

1 stop13h 50m

£523

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 12/1

18:55-16:50

2 stops15h 55m

Belfast City

Tue 20/1

17:20-21:38

2 stops34h 18m

£591

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 12/1

18:55-16:50

2 stops15h 55m

Belfast City

Tue 20/1

17:20-23:37

2 stops36h 17m

£594

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sun 18/1

17:59-16:50

2 stops16h 51m

Belfast City

Sat 24/1

17:20-17:55

2 stops30h 35m

£940

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Illinois to Belfast City Airport

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 Illinois to Belfast City?

American Airlines is the most popular carrier operating from Illinois to Belfast City

Cheap Illinois to Belfast City Airport flight deals and tips

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

Fastest flight time

11h 05m

Direct flights

None
The fastest flight from Illinois to Belfast City Airport takes 11h 05m
There are no direct flights from Illinois to Belfast City Airport. There are no popular flight routes from Illinois to Belfast City Airport.
Search flight deals

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

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

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

    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 Illinois to Belfast City Airport.

  • What documentation or ID do you need to fly to Belfast City Airport?

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

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newcastle
Bangor
Carrickfergus

Why use momondo?

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

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 Belfast from Illinois.

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

Flights from Illinois to Belfast 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 Illinois to Belfast?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Illinois.

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

Yes. momondo can track prices for Illinois to Belfast flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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