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Cheap flights from Belfast City Airport to Illinois from £501

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — ORD
24 8月 — 31 8月1
1 adult

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 19 8月 2025.

Round-trip from

£501

Popular in

August

Cheapest in

September

Average price

£884
British Airways
  • British Airways
  • 15/9-22/9
  • 2 total stops
  • 39h 05m total
  • Belfast to Illinois
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Belfast City to Illinois

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 19 8月 2025.

週一 15/913:50BHD - ORD
1 stop28h 00mMultiple Airlines
週一 22/922:35ORD - BHD
1 stop11h 05mMultiple Airlines
Deal found 18/8£501
週一 15/906:40BHD - ORD
1 stop14h 10mBritish Airways
週一 22/922:35ORD - BHD
1 stop12h 55mBritish Airways
Deal found 18/8£516
週一 15/906:30BHD - ORD
1 stop14h 10mKLM
週一 22/918:50ORD - BHD
2 stops16h 05mKLM
Deal found 18/8£531
週一 15/906:30BHD - ORD
2 stops20h 45mVirgin Atlantic
週一 22/917:15ORD - BHD
2 stops17h 40mVirgin Atlantic
Deal found 18/8£547
週三 15/1009:50BHD - ORD
2 stops15h 10mAer Lingus
週二 21/1015:45ORD - BHD
2 stops15h 05mAer Lingus
Deal found 17/8£3,360
週三 15/1006:30BHD - ORD
1 stop14h 10mVirgin Atlantic
週二 21/1016:15ORD - BHD
1 stop23h 00mVirgin Atlantic
Deal found 17/8£3,557
週三 15/1017:25BHD - ORD
1 stop26h 45mMultiple Airlines
週二 21/1013:25ORD - BHD
2 stops21h 30mMultiple Airlines
Deal found 17/8£3,577
週四 16/1012:40BHD - ORD
1 stop11h 35mBritish Airways
週一 20/1022:35ORD - BHD
1 stop11h 05mBritish Airways
Deal found 17/8£3,675
週三 15/1010:20BHD - ORD
2 stops16h 55mMultiple Airlines
週一 20/1021:15ORD - BHD
1 stop14h 15mMultiple Airlines
Deal found 17/8£3,944
週四 16/1018:00BHD - ORD
2 stops30h 15mMultiple Airlines
週一 20/1021:15ORD - BHD
1 stop14h 15mMultiple Airlines
Deal found 17/8£4,098

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 19 8月 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

週一 15/9

13:50-11:50

1 stop28h 00m

Chicago O'Hare Intl

週一 22/9

22:35-15:40

1 stop11h 05m

£501

BelfastChicago

BHD - ORD

BHDORD

Belfast City

週一 15/9

06:40-14:50

1 stop14h 10m

Chicago O'Hare Intl

週一 22/9

22:35-17:30

1 stop12h 55m

£516

BelfastChicago

BHD - ORD

BHDORD

Belfast City

週一 15/9

06:30-14:40

1 stop14h 10m

Chicago O'Hare Intl

週一 22/9

18:50-16:55

2 stops16h 05m

£531

BelfastChicago

BHD - ORD

BHDORD

Belfast City

週一 15/9

06:30-21:15

2 stops20h 45m

Chicago O'Hare Intl

週一 22/9

17:15-16:55

2 stops17h 40m

£547

BelfastChicago

BHD - ORD

BHDORD

Belfast City

週三 15/10

09:50-19:00

2 stops15h 10m

Chicago O'Hare Intl

週二 21/10

15:45-12:50

2 stops15h 05m

£3,360

BelfastChicago

BHD - ORD

BHDORD

Belfast City

週三 15/10

06:30-14:40

1 stop14h 10m

Chicago O'Hare Intl

週二 21/10

16:15-21:15

1 stop23h 00m

£3,557

BelfastChicago

BHD - ORD

BHDORD

Belfast City

週三 15/10

17:25-14:10

1 stop26h 45m

Chicago O'Hare Intl

週二 21/10

13:25-16:55

2 stops21h 30m

£3,577

BelfastChicago

BHD - ORD

BHDORD

Belfast City

週四 16/10

12:40-18:15

1 stop11h 35m

Chicago O'Hare Intl

週三 22/10

20:40-13:30

1 stop10h 50m

£3,675

BelfastChicago

BHD - ORD

BHDORD

Belfast City

週四 16/10

12:40-18:15

1 stop11h 35m

Chicago O'Hare Intl

週二 21/10

22:35-15:20

1 stop10h 45m

£3,675

BelfastChicago

BHD - ORD

BHDORD

Belfast City

週四 16/10

12:40-18:15

1 stop11h 35m

Chicago O'Hare Intl

週一 20/10

22:35-15:40

1 stop11h 05m

£3,675

Flights are sorted by cheapest return flights first.

Deals found on 18/8

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 19 8月 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
7,283 reviews
Check prices

Comfort

6.7

Entertainment

6.4

Food

6.3

Overall

6.7

Boarding

6.9

Crew

7.6

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.
British Airways
6.7
Okay
7,283 reviews
British Airways
6.7
Okay
7,283 reviews
Check prices

Comfort

6.7

Entertainment

6.4

Food

6.3

Overall

6.7

Boarding

6.9

Crew

7.6

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

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 £516, British Airways can have you in Illinois from Belfast City Airport in 14h 10m. The distance from Belfast City Airport to Illinois is about 3644 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

  • What is the cheapest month to book a flight from Belfast City Airport to Illinois?

    Currently, January is the cheapest month in which you can book a flight from Belfast City Airport to Illinois (average of £595). Flying from Belfast City Airport to Illinois in July is currently the most expensive (average of £843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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 19 8月 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£484Average£648FlexibilityNo 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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