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.

£241 Cheap Flights from Illinois to Belfast City Airport in 2026

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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

Find the cheapest flights from Illinois to Belfast

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

21:45 - 14:50

ORD

BHD

11h 05m

1 stop

06:45 - 18:45

BHD

ORD

18h 00m

1 stop

£661British Airways

Tue, 10 Nov - Fri, 13 Nov

17:10 - 11:30

ORD

BHD

12h 20m

1 stop

06:45 - 13:50

BHD

ORD

13h 05m

1 stop

£662British Airways

Tue, 10 Nov - Fri, 13 Nov

18:45 - 16:35

STL

BHD

15h 50m

2 stops

06:35 - 17:37

BHD

STL

17h 02m

2 stops

£680American Airlines

Wed, 4 Nov - Wed, 18 Nov

18:59 - 16:50

STL

BHD

15h 51m

2 stops

17:20 - 18:01

BHD

STL

30h 41m

2 stops

£695KLM

Mon, 9 Nov - Mon, 23 Nov

16:13 - 16:50

STL

BHD

18h 37m

2 stops

17:20 - 17:06

BHD

STL

29h 46m

2 stops

£733KLM

Fri, 6 Nov - Mon, 16 Nov

16:20 - 16:55

ORD

BHD

18h 35m

1 stop

17:30 - 14:30

BHD

ORD

27h 00m

1 stop

£759Delta

Tue, 21 Jul - Tue, 11 Aug

08:50 - 17:45

ORD

BHD

26h 55m

2 stops

07:00 - 14:55

BHD

ORD

37h 55m

3 stops

£762Multiple Airlines

Sun, 14 Jun - Sun, 21 Jun

17:19 - 18:15

STL

BHD

18h 56m

2 stops

09:35 - 23:32

BHD

STL

19h 57m

2 stops

£842Multiple Airlines

Sat, 4 Jul - Thu, 16 Jul

21:40 - 17:40

STL

BHD

14h 00m

1 stop

11:00 - 19:30

BHD

STL

14h 30m

1 stop

£907American Airlines

Sun, 9 Aug - Sun, 16 Aug

17:11 - 16:55

MDW

BHD

17h 44m

2 stops

09:50 - 22:17

BHD

MDW

18h 27m

2 stops

£9,752Delta

Thu, 25 Jun - Sun, 28 Jun

American Airlines flights from Illinois to Belfast City Airport

Our best American Airlines deals on Illinois to Belfast City Airport flight tickets

American Airlines

4 Nov

STL18:45Lambert-St Louis

15h 50m

2 stops

BHD16:35Belfast City

18 Nov

BHD06:35Belfast City

17h 02m

2 stops

STL17:37Lambert-St Louis

£680

American Airlines

23 Jul

ORD18:10Chicago O'Hare Intl

15h 20m

1 stop

BHD15:30Belfast City

8 Aug

BHD07:05Belfast City

16h 30m

1 stop

ORD17:35Chicago O'Hare Intl

£862

American Airlines

23 Jul

ORD20:40Chicago O'Hare Intl

12h 50m

1 stop

BHD15:30Belfast City

8 Aug

BHD07:05Belfast City

15h 50m

2 stops

ORD16:55Chicago O'Hare Intl

£870

KLM flights from Illinois to Belfast City Airport

Our best KLM deals on Illinois to Belfast City Airport flight tickets

KLM

9 Nov

STL18:59Lambert-St Louis

15h 51m

2 stops

BHD16:50Belfast City

23 Nov

BHD17:20Belfast City

30h 41m

2 stops

STL18:01Lambert-St Louis

£695

KLM

6 Nov

STL16:13Lambert-St Louis

18h 37m

2 stops

BHD16:50Belfast City

16 Nov

BHD17:20Belfast City

29h 46m

2 stops

STL17:06Lambert-St Louis

£733

KLM

9 Aug

STL11:13Lambert-St Louis

16h 07m

2 stops

BHD09:20Belfast City

16 Aug

BHD17:30Belfast City

28h 47m

2 stops

STL16:17Lambert-St Louis

£797

momondo Fare Finder

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

Cheapest return flight

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 10/11

21:45-14:50

1 stop11h 05m

Belfast City

Fri 13/11

06:45-18:45

1 stop18h 00m

£661

Fastest return journey

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 10/11

17:10-11:30

1 stop12h 20m

Belfast City

Fri 13/11

06:45-13:50

1 stop13h 05m

£662

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Wed 4/11

18:45-16:35

2 stops15h 50m

Belfast City

Wed 18/11

06:35-17:37

2 stops17h 02m

£680

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Mon 9/11

18:59-16:50

2 stops15h 51m

Belfast City

Mon 23/11

17:20-18:01

2 stops30h 41m

£695

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Fri 6/11

16:13-16:50

2 stops18h 37m

Belfast City

Mon 16/11

17:20-17:06

2 stops29h 46m

£733

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 21/7

16:20-16:55

1 stop18h 35m

Belfast City

Tue 11/8

17:30-14:30

1 stop27h 00m

£759

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 14/6

08:50-17:45

2 stops26h 55m

Belfast City

Sun 21/6

07:00-14:55

3 stops37h 55m

£762

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Sat 4/7

17:19-18:15

2 stops18h 56m

Belfast City

Thu 16/7

09:35-23:32

2 stops19h 57m

£842

St. LouisBelfast

STL - BHD

STLBHD

Lambert-St Louis

Sun 9/8

21:40-17:40

1 stop14h 00m

Belfast City

Sun 16/8

11:00-19:30

1 stop14h 30m

£907

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Thu 25/6

17:11-16:55

2 stops17h 44m

Belfast City

Sun 28/6

09:50-22:17

2 stops18h 27m

£9,752

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 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?

British Airways, Delta, and KLM are the most popular carriers 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

Frequently asked questions about flying from Illinois to Belfast City Airport

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.

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.