Cheap flights from Illinois to England from £164

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LHR
24 Aug — 31 Aug1
1 adult

Cheap flight deals from Illinois to England

Keep the following information in mind while searching for Illinois to England flight deals. Data was last updated 19 August 2025.

Round-trip from

£373

One-way from

£164

Popular in

June

Cheapest in

February

Average price

£527

Good round-trip deal

£371 or less

Good one-way deal

£309 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 23/11-2/12
  • 3 total stops
  • 45h 50m total
  • Illinois to England
20/10
  • 20/10
  • 1 total stop
  • 33h 55m total
  • Illinois to England
Highest demand for flights based on searches. 21% potential increase in price (£111 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Illinois to England.
Price to beat on a one-way flight from Illinois to England.

Find flight deals from Illinois to England

Cheapest flights from Illinois to England
Explore the most affordable flight options available from Illinois to England. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Fri 19/919:25ORD - LHR
1 stop10h 30mIcelandair
Tue 30/921:25LHR - ORD
1 stop29h 50mIcelandair
Deal found 19/8£372
Sun 23/1119:20ORD - LHR
1 stop20h 20mScandinavian Airlines
Sat 6/1206:40LHR - ORD
2 stops40h 05mScandinavian Airlines
Deal found 18/8£373
Sun 12/1019:25ORD - LGW
1 stop13h 15mIcelandair
Mon 20/1015:40LGW - ORD
1 stop32h 35mIcelandair
Deal found 19/8£373
Mon 22/919:25ORD - LHR
1 stop18h 55mIcelandair
Tue 21/1021:25LHR - ORD
1 stop26h 50mIcelandair
Deal found 17/8£374
Fri 5/919:25ORD - LGW
1 stop13h 15mIcelandair
Fri 12/915:40LGW - ORD
1 stop11h 35mIcelandair
Deal found 16/8£374
Mon 20/1019:15ORD - LHR
1 stop14h 45mScandinavian Airlines
Tue 4/1118:40LHR - ORD
1 stop28h 05mScandinavian Airlines
Deal found 19/8£375
Tue 2/922:15ORD - LGW
1 stop10h 25mIcelandair
Tue 9/913:00LGW - ORD
1 stop11h 15mIcelandair
Deal found 17/8£375
Tue 14/1012:52ORD - LHR
1 stop14h 13mBritish Airways
Tue 21/1006:10LHR - ORD
1 stop13h 20mBritish Airways
Deal found 18/8£375
Sun 7/919:25ORD - LGW
1 stop13h 15mIcelandair
Tue 16/915:40LGW - ORD
1 stop32h 35mIcelandair
Deal found 19/8£375
Mon 1/922:15ORD - LHR
1 stop16h 05mIcelandair
Tue 9/921:25LHR - ORD
1 stop29h 50mIcelandair
Deal found 17/8£376
Mon 10/1118:30ORD - LTN
1 stop13h 30mMultiple Airlines
Wed 19/1107:30LTN - ORD
1 stop15h 50mMultiple Airlines
Deal found 18/8£376
Wed 3/919:25ORD - LGW
1 stop10h 20mIcelandair
Thu 11/915:40LGW - ORD
1 stop11h 35mIcelandair
Deal found 17/8£376

Cheapflights Fare Finder

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

Fly from

Illinois

Fly to

England

Route

Depart

Return

Price

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 2/12

18:30-14:25

1 stop13h 55m

London Luton

Sun 7/12

06:00-17:20

1 stop17h 20m

£376

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 1/12

18:30-14:00

1 stop13h 30m

London Luton

Sun 14/12

06:00-17:20

1 stop17h 20m

£376

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 10/11

18:30-14:00

1 stop13h 30m

London Luton

Wed 19/11

07:30-17:20

1 stop15h 50m

£376

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 20/10

20:05-10:00

1 stop31h 55m

London Gatwick

Thu 30/10

14:00-21:33

1 stop36h 33m

£379

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 9/11

18:30-14:50

1 stop14h 20m

London Luton

Thu 13/11

06:30-17:20

1 stop16h 50m

£380

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 15/2

18:30-10:55

1 stop10h 25m

London Gatwick

Wed 25/2

11:55-17:20

1 stop11h 25m

£383

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 3/11

18:30-10:55

1 stop10h 25m

London Gatwick

Mon 10/11

11:55-17:20

1 stop11h 25m

£383

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 4/11

18:30-10:55

1 stop10h 25m

London Gatwick

Fri 14/11

11:55-17:20

1 stop11h 25m

£383

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sat 14/2

18:30-10:55

1 stop10h 25m

London Gatwick

Tue 24/2

11:55-17:20

1 stop11h 25m

£383

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sat 10/1

19:20-18:50

2 stops17h 30m

London Heathrow

Mon 19/1

10:20-16:45

1 stop12h 25m

£385

Flights are sorted by cheapest return flights first.

Deals found on 17/8

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

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

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

Currently, January is the cheapest month in which you can book a flight from Illinois to England (average of £112). Flying from Illinois to England in August is currently the most expensive (average of £164). 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 IL to ENG?

Find hourly flight availability from Illinois to England. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.

When flying from Illinois to England, 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 Illinois to England

Explore weekly flight availability from Illinois to England. 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 19 August 2025.

The most flights from USIL to GBENG are scheduled on a Monday (57 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (51 on average).

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

Reviews of airlines servicing England

Get insights into the airlines that provide service to England. 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 England. Reviews last updated 19 August 2025.
See what other customers who have flown with United Airlines, Aer Lingus, andIcelandair from Illinois to England 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.

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Illinois to England. 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 England?

    A quick flight from Illinois to England can take about 10h 25m. Icelandair provides one of the quickest options available for as low as £383. Illinois and England are separated by a distance of 3960 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to England (average of £112). Flying from Illinois to England in August is currently the most expensive (average of £164). 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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Alternative routes for Illinois to England

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

Top 9 airlines flying from Illinois to England

Discover the top 9 airlines that operate flights from Illinois to England. 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 August 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£350Average£422FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£355Average£574FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£381Average£555FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£408Average£520FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£410Average£505FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
FinnairCheapest£411Average£597FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£443Average£561FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest£458Average£740FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£496Average£624FlexibilityNo cancel feeOn-time71%
Search American Airlines 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 Illinois to England?

Cheapflights makes it easy to find Illinois to England flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Illinois to England.

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

Yes! Cheapflights helps users easily find flights from Illinois to England with no change fees.

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

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

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