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Cheap flights from Belfast City Airport to Illinois from £458

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ORD
11 Dec — 18 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Belfast City to Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Belfast City to Illinois
Explore the most affordable flight options available from Belfast City to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 November 2025.

Sat 6/1206:35BHD - ORD
1 stop16h 25mAmerican Airlines
Wed 10/1213:17ORD - BHD
2 stops13h 53mAmerican Airlines
Deal found 8/11£633
Sat 6/1206:30BHD - ORD
1 stop13h 50mDelta
Wed 10/1216:25ORD - BHD
1 stop22h 35mDelta
Deal found 8/11£641
Wed 26/1106:35BHD - ORD
1 stop16h 25mAmerican Airlines
Sun 30/1120:40ORD - BHD
1 stop14h 10mAmerican Airlines
Deal found 10/11£673
Sat 6/1217:20BHD - ORD
3 stops27h 25mMultiple Airlines
Wed 10/1218:30ORD - BHD
2 stops16h 50mMultiple Airlines
Deal found 8/11£687
Thu 20/1111:05BHD - ORD
1 stop13h 40mAmerican Airlines
Mon 24/1117:10ORD - BHD
1 stop11h 30mAmerican Airlines
Deal found 8/11£845

Cheap flight deals from Belfast City to Illinois

Keep the following information in mind while searching for Belfast City to Illinois flight deals. Data was last updated 11 November 2025.

Round-trip from

£624

One-way from

£458
American Airlines
  • American Airlines
  • 5/3-9/3
  • 3 total stops
  • 30h 25m total
  • Belfast to Illinois
Search Deals
12/12
  • 12/12
  • 2 total stops
  • 27h 10m total
  • Belfast to Illinois
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast City to Illinois 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 11 November 2025.
Use the filters below to find and compare flights from Belfast City Airport to Illinois that are best for you.

Fly from

Belfast City

Fly to

Illinois

Route

Depart

Return

Price

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Thu 5/3

09:05-15:25

1 stop12h 20m

Chicago O'Hare Intl

Mon 9/3

16:40-14:15

2 stops16h 35m

£623

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 6/12

06:35-17:00

1 stop16h 25m

Chicago O'Hare Intl

Wed 10/12

13:17-09:10

2 stops13h 53m

£633

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sat 6/12

06:30-14:20

1 stop13h 50m

Chicago O'Hare Intl

Wed 10/12

16:25-21:00

1 stop22h 35m

£641

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 12/12

16:50-14:00

2 stops27h 10m

£458

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Fri 12/12

06:45-18:45

1 stop18h 00m

£608

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 30/11

20:25-14:55

2 stops24h 30m

£626

BelfastChicago

BHD - ORD

BHDORD

Belfast City

Sun 30/11

08:40-19:55

3 stops41h 15m

£636

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Best time to book a flight from Belfast City to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Belfast City 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 Belfast City Airport to Illinois
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 11 November 2025.
See what other customers who have flown with British Airways from Belfast City Airport to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,510 reviews
Check prices

Crew

7.6

Food

6.3

Overall

6.7

Boarding

6.9

Comfort

6.7

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,510 reviews
British Airways
6.7
Okay
7,510 reviews
Check prices

Crew

7.6

Food

6.3

Overall

6.7

Boarding

6.9

Comfort

6.7

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

Find useful and relevant information for your journey from Belfast City to Illinois. 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 Belfast City Airport to Illinois?

    For as low as £623, American Airlines can have you in Illinois from Belfast City Airport in 12h 20m. The distance from Belfast City Airport to Illinois is about 3644 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast City to Illinois 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

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Alternative routes for Belfast City to Illinois

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Top airline flying from Belfast City to Illinois

Discover the top airline that operate flights from Belfast City to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£510Average£666FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Belfast City to Illinois?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Belfast City to Illinois. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Belfast City to Illinois 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 Belfast City to Illinois with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast City to Illinois, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Belfast City to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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