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Cheap flights from England to Illinois from £256

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ORD
9 Jul — 16 Jul1
1 adult

Cheap flight deals from England to Illinois

Keep the following information in mind while searching for England to Illinois flight deals. Data was last updated 4 July 2025.

Round-trip from

£407

One-way from

£256

Popular in

August

Cheapest in

February

Average price

£645

Good round-trip deal

£514 or less

Good one-way deal

£551 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 20/8-25/8
  • 2 total stops
  • 45h 40m total
  • England to Illinois
28/8
  • 28/8
  • 3 total stops
  • 59h 31m total
  • England to Illinois
Highest demand for flights based on searches. 12% potential increase in price (£53 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from England to Illinois.
Price to beat on a one-way flight from England to Illinois.

Find flight deals from England to Illinois

Cheapest flights from England to Illinois
Explore the most affordable flight options available from England to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Wed 20/818:45LHR - ORD
1 stop23h 50mTAP AIR PORTUGAL
Mon 25/818:10ORD - LHR
1 stop21h 50mTAP AIR PORTUGAL
Deal found 1/7£407
Sat 23/814:00LGW - ORD
1 stop32h 10mMultiple Airlines
Mon 8/917:17ORD - LGW
1 stop34h 43mMultiple Airlines
Deal found 3/7£408
Thu 21/810:35LGW - ORD
1 stop35h 35mTAP AIR PORTUGAL
Sat 13/918:15ORD - LGW
1 stop33h 30mTAP AIR PORTUGAL
Deal found 2/7£409
Sat 13/919:30LHR - ORD
1 stop23h 50mAustrian Airlines
Tue 23/916:00ORD - LHR
Nonstop8h 20mAustrian Airlines
Deal found 3/7£410
Sat 15/1111:55LGW - ORD
1 stop11h 25mIcelandair
Sat 10/118:30ORD - LGW
1 stop10h 25mIcelandair
Deal found 1/7£410
Mon 1/909:50LHR - ORD
1 stop11h 55mBritish Airways
Tue 16/922:35ORD - LHR
Nonstop7h 40mBritish Airways
Deal found 3/7£410
Thu 25/906:00LHR - ORD
1 stop13h 20mMultiple Airlines
Mon 29/921:25ORD - LHR
Nonstop8h 20mMultiple Airlines
Deal found 2/7£411
Mon 24/1110:20LHR - ORD
1 stop12h 25mScandinavian Airlines
Sat 29/1119:20ORD - LHR
1 stop14h 40mScandinavian Airlines
Deal found 2/7£413
Thu 9/1007:30LHR - ORD
1 stop13h 25mLufthansa
Mon 13/1005:01ORD - LHR
1 stop22h 39mLufthansa
Deal found 2/7£415
Wed 10/908:40LHR - ORD
1 stop13h 15mUnited Airlines
Wed 17/910:35ORD - LHR
1 stop13h 20mUnited Airlines
Deal found 2/7£421
Sun 24/820:05LHR - ORD
1 stop22h 05mSWISS
Tue 9/919:05ORD - LHR
1 stop15h 20mSWISS
Deal found 3/7£423
Sat 8/1106:50LHR - ORD
2 stops14h 05mAir Canada
Sat 15/1113:59ORD - LHR
2 stops15h 21mAir Canada
Deal found 3/7£429

Cheapflights Fare Finder

Customise your flight search to find flights from England 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 4 July 2025.
Use the filters below to find and compare flights from England to Illinois that are best for you.

Fly from

England

Fly to

Illinois

Route

Depart

Return

Price

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 20/8

18:45-12:35

1 stop23h 50m

Chicago O'Hare Intl

Mon 25/8

18:10-22:00

1 stop21h 50m

£407

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 23/8

14:00-16:10

1 stop32h 10m

Chicago O'Hare Intl

Mon 8/9

17:17-10:00

1 stop34h 43m

£408

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 21/8

10:35-16:10

1 stop35h 35m

Chicago O'Hare Intl

Sat 13/9

18:15-09:45

1 stop33h 30m

£409

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 13/9

19:30-13:20

1 stop23h 50m

Chicago O'Hare Intl

Tue 23/9

16:00-06:20

Nonstop8h 20m

£410

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sat 15/11

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Sat 10/1

18:30-10:55

1 stop10h 25m

£410

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 1/9

09:50-15:45

1 stop11h 55m

Chicago O'Hare Intl

Tue 16/9

22:35-12:15

Nonstop7h 40m

£410

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 25/9

06:00-13:20

1 stop13h 20m

Chicago O'Hare Intl

Mon 29/9

21:25-11:45

Nonstop8h 20m

£411

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 24/11

10:20-16:45

1 stop12h 25m

Chicago O'Hare Intl

Sat 29/11

19:20-16:00

1 stop14h 40m

£413

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Thu 9/10

07:30-14:55

1 stop13h 25m

Chicago O'Hare Intl

Mon 13/10

05:01-09:40

1 stop22h 39m

£415

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 10/9

08:40-15:55

1 stop13h 15m

Chicago O'Hare Intl

Wed 17/9

10:35-05:55

1 stop13h 20m

£421

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 60 results
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Best time to book a flight from England to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from England 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 England to Illinois

What is the cheapest month to book a flight from England to Illinois?

Currently, January is the cheapest month in which you can book a flight from England to Illinois (average of £595). Flying from England 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.

What is the cheapest time of day to fly from ENG to IL?

Find hourly flight availability from England to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

When flying from England to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from England to Illinois

Explore weekly flight availability from England to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 July 2025.

The most flights from GBENG to USIL are scheduled on a Wednesday (53 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (37 on average).

How much does it cost for a return flight from England to Illinois?

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 4 July 2025.
Get a feel of what it's like to fly with Delta, KLM, andAustrian Airlines from England to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from England to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from England to Illinois one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £384. Users have also found prices from £391 and £391 on Icelandair and Aer Lingus, respectively.

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

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

  • How can I find direct flights from England to Illinois?

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

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

    Yes. Cheapflights offers flight deals from England 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 England to Illinois?

    Currently, January is the cheapest month in which you can book a flight from England to Illinois (average of £595). Flying from England 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for England to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from England to Illinois

Discover the top 10 airlines that operate flights from England 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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£309Average£493FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapest£348Average£476FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£361Average£605FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Virgin AtlanticCheapest£379Average£604FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Brussels AirlinesCheapest£388Average£611FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
LufthansaCheapest£393Average£592FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Austrian AirlinesCheapest£395Average£574FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
United AirlinesCheapest£397Average£584FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£398Average£626FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest£401Average£582FlexibilityNo 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 England to Illinois?

When you search for this flight from England to Illinois, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Illinois from England by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from England to Illinois flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from England to Illinois and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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