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Cheap flights from Illinois to Belfast City Airport from £199

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHD
2 Aug — 9 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Belfast City

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Belfast City
Explore the most affordable flight options available from Illinois to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2026.

Tue 1/919:25
ORD
-
BHD
3 stops14h 50m
Multiple Airlines
Tue 8/910:50
BHD
-
ORD
3 stops40h 35m
Multiple Airlines
Deal found 29/6£529
Mon 3/821:15
ORD
-
BHD
1 stop12h 15m
British Airways
Wed 19/819:40
BHD
-
ORD
1 stop24h 10m
British Airways
Deal found 30/6£680
Mon 17/819:05
ORD
-
BHD
1 stop11h 50m
British Airways
Wed 9/911:35
BHD
-
ORD
1 stop12h 40m
British Airways
Deal found 29/6£686
Sun 16/819:25
ORD
-
BHD
3 stops31h 55m
Multiple Airlines
Sun 23/806:50
BHD
-
ORD
3 stops44h 30m
Multiple Airlines
Deal found 2/7£691
Sun 6/921:15
ORD
-
BHD
1 stop11h 20m
British Airways
Mon 14/919:35
BHD
-
ORD
1 stop26h 20m
British Airways
Deal found 2/7£699
Sun 2/821:15
ORD
-
BHD
1 stop14h 25m
British Airways
Fri 4/909:35
BHD
-
ORD
1 stop12h 20m
British Airways
Deal found 1/7£702
Tue 4/810:10
ORD
-
BHD
2 stops16h 50m
British Airways
Tue 8/909:40
BHD
-
ORD
1 stop12h 15m
British Airways
Deal found 1/7£710
Mon 17/813:25
MDW
-
BHD
2 stops13h 55m
KLM
Wed 9/909:50
BHD
-
MDW
2 stops18h 55m
KLM
Deal found 29/6£726
Fri 14/817:10
MDW
-
BHD
2 stops17h 45m
Delta
Fri 21/809:50
BHD
-
MDW
2 stops18h 46m
Delta
Deal found 30/6£764
Sun 6/917:45
MDW
-
BHD
2 stops17h 10m
Delta
Sat 12/917:30
BHD
-
MDW
2 stops30h 49m
Delta
Deal found 2/7£813
Mon 20/718:09
STL
-
BHD
2 stops16h 46m
KLM
Sat 25/709:50
BHD
-
STL
2 stops16h 47m
KLM
Deal found 29/6£1,248
Mon 3/818:42
MDW
-
BHD
2 stops16h 13m
Delta
Wed 19/809:50
BHD
-
MDW
2 stops18h 46m
Delta
Deal found 30/6£1,386

Find flight deals from Illinois to Belfast City

Keep the following information in mind while searching for Illinois to Belfast City flight deals. Data was last updated 3 July 2026.

Round-trip from

£529

One-way from

£199
1/9-8/9
  • 1/9-8/9
  • 6 total stops
  • 55h 25m total
  • Illinois to Belfast
Search Deals
1/9
  • 1/9
  • 3 total stops
  • 38h 05m total
  • Illinois to Belfast
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Illinois to Belfast City 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, Cheapflights users made 858,174 searches. Data last updated 3 July 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

Cheapest return flight

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 16/8

19:25-09:20

3 stops31h 55m

Belfast City

Sun 23/8

06:50-21:20

3 stops44h 30m

£695

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 2/8

21:15-17:40

1 stop14h 25m

Belfast City

Fri 4/9

09:35-15:55

1 stop12h 20m

£702

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 3/8

21:15-15:30

1 stop12h 15m

Belfast City

Wed 9/9

20:35-13:50

1 stop23h 15m

£702

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 3/8

17:20-16:55

2 stops17h 35m

Belfast City

Thu 10/9

17:30-14:15

1 stop26h 45m

£719

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Mon 3/8

16:50-09:20

1 stop10h 30m

Belfast City

Fri 4/9

09:50-20:30

2 stops16h 40m

£723

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Mon 17/8

13:25-09:20

2 stops13h 55m

Belfast City

Wed 9/9

09:50-22:45

2 stops18h 55m

£726

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 2/8

19:17-16:55

2 stops15h 38m

Belfast City

Thu 10/9

09:50-20:30

2 stops16h 40m

£727

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Wed 16/9

19:05-12:00

1 stop10h 55m

Belfast City

Sun 20/9

20:10-15:55

1 stop25h 45m

£739

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Fri 14/8

17:10-16:55

2 stops17h 45m

Belfast City

Fri 21/8

09:50-22:36

2 stops18h 46m

£764
Fastest return journey

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 28/7

22:30-18:55

1 stop14h 25m

Belfast City

Tue 4/8

06:30-12:30

1 stop12h 00m

£773

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 27 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from Illinois with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Belfast City Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Belfast City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Belfast City Airport?

    A quick flight from Illinois to Belfast City Airport can take about 12h 15m. British Airways provides one of the quickest options available for as low as £702. The distance from Illinois to Belfast City Airport is about 3644 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Illinois to Belfast City Airport?

    The most popular route from Illinois to Belfast City Airport is Chicago O'Hare Intl - Belfast City. You may also consider Chicago Midway - Belfast City or Lambert-St Louis - Belfast City.

  • Can I find deals for flights from Illinois to Belfast City that include hotel bookings?

    Yes. In addition to deals on Illinois to Belfast City flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Belfast City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Belfast City.

  • Can I find deals for business class flights from Illinois to Belfast City?

    Yes. Cheapflights offers flight deals from Illinois to Belfast City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Belfast City Airport?

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

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Why should you use Cheapflights to find cheap flight tickets from Illinois to Belfast City?

Cheapflights simply makes it quick and affordable to book flights from Illinois to Belfast City by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Illinois to Belfast City with no change fees?

Need flexible booking options for your flight to Belfast City from Illinois? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Belfast City become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast City from Illinois today and book when prices fit your budget.

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