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Cheap flights from Illinois to Belfast City Airport from £187

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 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BHD
9 Aug — 16 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 10 July 2026.

Thu 1/1019:25
ORD
-
BHD
2 stops17h 15m
Multiple Airlines
Wed 7/1007:00
BHD
-
ORD
2 stops20h 25m
Multiple Airlines
Deal found 8/7£488
Mon 5/1019:25
ORD
-
BHD
2 stops15h 25m
Multiple Airlines
Sun 11/1007:00
BHD
-
ORD
2 stops20h 25m
Multiple Airlines
Deal found 8/7£590
Tue 1/1221:50
ORD
-
BHD
1 stop14h 50m
British Airways
Wed 9/1211:25
BHD
-
ORD
1 stop13h 20m
British Airways
Deal found 9/7£647
Sun 15/1121:50
ORD
-
BHD
1 stop14h 50m
British Airways
Thu 19/1107:40
BHD
-
ORD
1 stop17h 05m
British Airways
Deal found 8/7£658
Sun 9/816:20
ORD
-
BHD
1 stop11h 00m
Virgin Atlantic
Tue 25/817:25
BHD
-
ORD
1 stop27h 05m
Virgin Atlantic
Deal found 9/7£661
Sun 15/1113:31
ORD
-
BHD
2 stops14h 49m
American Airlines
Thu 19/1109:05
BHD
-
ORD
1 stop16h 10m
American Airlines
Deal found 8/7£662
Tue 1/1218:50
ORD
-
BHD
1 stop14h 00m
American Airlines
Wed 9/1206:35
BHD
-
ORD
2 stops16h 14m
American Airlines
Deal found 9/7£666
Mon 3/821:15
ORD
-
BHD
1 stop12h 15m
British Airways
Tue 18/820:25
BHD
-
ORD
1 stop25h 30m
British Airways
Deal found 6/7£679
Sun 15/1111:10
ORD
-
BHD
2 stops16h 00m
Delta
Thu 19/1109:40
BHD
-
ORD
2 stops20h 10m
Delta
Deal found 8/7£684
Thu 1/1019:01
MDW
-
BHD
2 stops15h 54m
KLM
Wed 7/1009:50
BHD
-
MDW
2 stops18h 35m
KLM
Deal found 8/7£810
Fri 9/1017:21
MDW
-
BHD
2 stops17h 34m
KLM
Fri 23/1009:50
BHD
-
MDW
2 stops18h 35m
KLM
Deal found 9/7£859
Wed 30/1210:35
MDW
-
BHD
2 stops16h 35m
KLM
Tue 5/117:20
BHD
-
MDW
2 stops29h 05m
KLM
Deal found 9/7£1,037

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 10 July 2026.

Round-trip from

£488

One-way from

£187
1/10-7/10
  • 1/10-7/10
  • 4 total stops
  • 37h 40m total
  • Illinois to Belfast
Search Deals
30/8
  • 30/8
  • 3 total stops
  • 39h 25m 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 10 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
Fastest return journey

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 15/11

17:10-10:20

1 stop11h 10m

Belfast City

Thu 19/11

07:40-13:50

1 stop12h 10m

£660

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Tue 1/12

12:15-16:50

2 stops22h 35m

Belfast City

Wed 9/12

09:40-21:34

2 stops17h 54m

£684

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Thu 1/10

19:01-16:55

2 stops15h 54m

Belfast City

Wed 7/10

09:50-22:25

2 stops18h 35m

£810

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 4/10

21:15-17:40

1 stop14h 25m

Belfast City

Wed 7/10

10:05-21:00

2 stops16h 55m

£831

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Fri 9/10

17:21-16:55

2 stops17h 34m

Belfast City

Fri 23/10

09:50-22:25

2 stops18h 35m

£859

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Mon 3/8

18:42-16:55

2 stops16h 13m

Belfast City

Tue 18/8

09:50-22:36

2 stops18h 46m

£1,138

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sun 9/8

19:25-16:55

2 stops15h 30m

Belfast City

Tue 25/8

09:50-22:36

2 stops18h 46m

£1,182

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Mon 5/10

19:01-16:55

2 stops15h 54m

Belfast City

Sun 11/10

09:45-22:25

2 stops18h 40m

£1,626

ChicagoBelfast

MDW - BHD

MDWBHD

Chicago Midway

Sat 25/7

13:18-09:20

2 stops14h 02m

Belfast City

Wed 29/7

09:50-22:15

2 stops18h 25m

£2,074
Cheapest one-way

ChicagoBelfast

ORD - BHD

ORDBHD

Chicago O'Hare Intl

Sun 30/8

19:25-16:50

3 stops39h 25m

£187

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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 14h 25m. Virgin Atlantic provides one of the quickest options available for as low as £831. 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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