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Cheap flights from Illinois to Belfast from £241

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 13/4. 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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Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
17:55 - 12:00
ORD
-
BHD
12h 05m
1 stop
American Airlines Logo
06:30 - 14:55
BHD
-
ORD
14h 25m
1 stop
£529American Airlines
Wed, 29 Apr - Sun, 3 May
American Airlines Logo
17:55 - 12:00
ORD
-
BHD
12h 05m
1 stop
American Airlines Logo
13:10 - 23:54
BHD
-
ORD
16h 44m
2 stops
£537American Airlines
Wed, 29 Apr - Sun, 3 May
British Airways Logo
15:16 - 13:35
ORD
-
BHD
16h 19m
2 stops
British Airways Logo
19:10 - 17:04
BHD
-
ORD
27h 54m
2 stops
£548British Airways
Wed, 29 Apr - Sun, 3 May
Air Europa Logo
19:16 - 16:55
MDW
-
BHD
15h 39m
2 stops
Air Europa Logo
09:50 - 22:28
BHD
-
MDW
18h 38m
2 stops
£555Air Europa
Wed, 29 Apr - Sun, 3 May
British Airways Logo
18:54 - 16:30
ORD
-
BHD
16h 36m
2 stops
British Airways Logo
20:25 - 15:43
BHD
-
ORD
48h 18m
2 stops
£561British Airways
Wed, 18 Mar - Sun, 22 Mar
British Airways Logo
18:54 - 16:30
ORD
-
BHD
16h 36m
2 stops
British Airways Logo
20:25 - 15:43
BHD
-
ORD
48h 18m
2 stops
£562British Airways
Wed, 18 Mar - Sun, 22 Mar
Delta Logo
06:00 - 08:20
MDW
-
BHD
21h 20m
2 stops
Delta Logo
09:50 - 22:31
BHD
-
MDW
18h 41m
2 stops
£1,992Delta
Sat, 28 Mar - Thu, 2 Apr
Delta Logo
16:30 - 15:55
MDW
-
BHD
18h 25m
2 stops
Delta Logo
09:50 - 22:31
BHD
-
MDW
18h 41m
2 stops
£2,115Delta
Sat, 28 Mar - Thu, 2 Apr
KLM Logo
19:20 - 15:55
MDW
-
BHD
15h 35m
2 stops
KLM Logo
09:50 - 22:31
BHD
-
MDW
18h 41m
2 stops
£2,448KLM
Sat, 28 Mar - Sun, 5 Apr
KLM Logo
18:45 - 16:55
MDW
-
BHD
16h 10m
2 stops
KLM Logo
09:50 - 21:45
BHD
-
MDW
17h 55m
2 stops
£2,572KLM
Fri, 3 Jul - Fri, 10 Jul

British Airways flights from Illinois to Belfast City Airport

Our best British Airways deals on Illinois to Belfast City Airport flight tickets
British Airways
29 Apr
ORD15:16Chicago O'Hare Intl
16h 19m
2 stops
BHD13:35Belfast City
3 May
BHD19:10Belfast City
27h 54m
2 stops
ORD17:04Chicago O'Hare Intl
£548
British Airways
11 Feb
ORD11:50Chicago O'Hare Intl
16h 25m
2 stops
BHD10:15Belfast City
4 Mar
BHD12:25Belfast City
27h 38m
2 stops
ORD10:03Chicago O'Hare Intl
£560
British Airways
18 Mar
ORD18:54Chicago O'Hare Intl
16h 36m
2 stops
BHD16:30Belfast City
22 Mar
BHD20:25Belfast City
48h 18m
2 stops
ORD15:43Chicago O'Hare Intl
£561

American Airlines flights from Illinois to Belfast City Airport

Our best American Airlines deals on Illinois to Belfast City Airport flight tickets
American Airlines
11 Feb
ORD18:25Chicago O'Hare Intl
18h 45m
1 stop
BHD19:10Belfast City
17 Feb
BHD06:35Belfast City
14h 50m
1 stop
ORD15:25Chicago O'Hare Intl
£487
American Airlines
11 Feb
ORD18:25Chicago O'Hare Intl
16h 10m
1 stop
BHD16:35Belfast City
4 Mar
BHD09:15Belfast City
18h 15m
2 stops
ORD21:30Chicago O'Hare Intl
£495
American Airlines
12 Feb
ORD20:35Chicago O'Hare Intl
11h 25m
1 stop
BHD14:00Belfast City
18 Feb
BHD09:15Belfast City
12h 10m
1 stop
ORD15:25Chicago O'Hare Intl
£518

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 10 February 2026.
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

Wed 29/4

17:55-12:00

1 stop12h 05m

Belfast City

Sun 3/5

06:30-14:55

1 stop14h 25m

£529

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 29/4

17:55-12:00

1 stop12h 05m

Belfast City

Sun 3/5

13:10-23:54

2 stops16h 44m

£537

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 29/4

15:16-13:35

2 stops16h 19m

Belfast City

Sun 3/5

19:10-17:04

2 stops27h 54m

£548

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Wed 29/4

19:16-16:55

2 stops15h 39m

Belfast City

Sun 3/5

09:50-22:28

2 stops18h 38m

£555

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 18/3

18:54-16:30

2 stops16h 36m

Belfast City

Sun 22/3

20:25-15:43

2 stops48h 18m

£561

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 18/3

18:54-16:30

2 stops16h 36m

Belfast City

Sun 22/3

20:25-15:43

2 stops48h 18m

£562

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sat 28/3

06:00-08:20

2 stops21h 20m

Belfast City

Thu 2/4

09:50-22:31

2 stops18h 41m

£1,992

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sat 28/3

16:30-15:55

2 stops18h 25m

Belfast City

Thu 2/4

09:50-22:31

2 stops18h 41m

£2,115

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sat 28/3

19:20-15:55

2 stops15h 35m

Belfast City

Sun 5/4

09:50-22:31

2 stops18h 41m

£2,448

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Fri 3/7

18:45-16:55

2 stops16h 10m

Belfast City

Fri 10/7

09:50-21:45

2 stops17h 55m

£2,572

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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?

Aer Lingus 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

15h 11m

Direct flights

None
The fastest flight from Illinois to Belfast City Airport takes 15h 11m
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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