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Cheap flights from Illinois to England from £141

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LHR
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

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 25 November 2025.

Round-trip from

£340

One-way from

£141

Popular in

June

Cheapest in

February

Average price

£521

Good round-trip deal

£499 or less

Good one-way deal

£304 or less
12/1-20/1
  • 12/1-20/1
  • 4 total stops
  • 34h 25m total
  • Illinois to England
Search Deals
Icelandair
  • Icelandair
  • 7/12
  • 1 total stop
  • 10h 15m total
  • Illinois to England
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£119 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Illinois to England.
Search Deals
Price to beat on a one-way flight from Illinois to England.
Search Deals

Find flight deals from Illinois to England

Enter your travel dates to find the best prices.

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 25 November 2025.

Wed 3/1218:30ORD - LHR
1 stop19h 00mIcelandair
Wed 10/1212:15LHR - ORD
1 stop11h 05mIcelandair
Deal found 24/11£427
Tue 9/1218:30ORD - LHR
1 stop19h 00mIcelandair
Thu 18/1220:35LHR - ORD
1 stop26h 45mIcelandair
Deal found 23/11£427
Sun 30/1120:25ORD - LGW
1 stop13h 20mTAP AIR PORTUGAL
Tue 9/1216:35LGW - ORD
1 stop28h 25mTAP AIR PORTUGAL
Deal found 24/11£428
Mon 15/1218:30ORD - LGW
1 stop10h 25mIcelandair
Wed 14/111:55LGW - ORD
1 stop11h 25mIcelandair
Deal found 22/11£430
Mon 8/1218:30ORD - LGW
1 stop10h 25mIcelandair
Wed 24/1211:55LGW - ORD
1 stop11h 25mIcelandair
Deal found 23/11£431
Sun 30/1118:50ORD - STN
2 stops22h 35mMultiple Airlines
Wed 3/1206:50STN - ORD
2 stops19h 15mMultiple Airlines
Deal found 24/11£432
Sun 14/1218:30ORD - LGW
1 stop10h 25mIcelandair
Wed 14/111:55LGW - ORD
1 stop11h 25mIcelandair
Deal found 22/11£433
Mon 8/1218:30ORD - LHR
1 stop10h 20mIcelandair
Wed 24/1212:15LHR - ORD
1 stop11h 05mIcelandair
Deal found 23/11£434
Tue 9/1218:30ORD - STN
2 stops20h 50mMultiple Airlines
Thu 18/1206:30STN - ORD
2 stops16h 50mMultiple Airlines
Deal found 23/11£434
Wed 3/1218:30ORD - LHR
1 stop19h 00mIcelandair
Mon 15/1220:35LHR - ORD
1 stop26h 45mIcelandair
Deal found 23/11£434
Fri 28/1120:15ORD - LGW
1 stop31h 35mTAP AIR PORTUGAL
Sat 6/1216:35LGW - ORD
1 stop28h 10mTAP AIR PORTUGAL
Deal found 24/11£434
Tue 30/1218:30ORD - LGW
1 stop10h 25mIcelandair
Sat 17/111:55LGW - ORD
1 stop11h 25mIcelandair
Deal found 22/11£435

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 25 November 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 - STN

ORDSTN

Chicago O'Hare Intl

Sat 7/2

19:20-23:05

2 stops21h 45m

London Stansted

Sat 14/2

21:45-16:55

2 stops25h 10m

£427

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 28/1

18:30-12:55

1 stop12h 25m

London Luton

Tue 3/2

07:00-17:20

1 stop16h 20m

£429

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 22/4

07:30-09:35

2 stops20h 05m

London Heathrow

Mon 27/4

07:05-16:10

2 stops15h 05m

£435

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 21/4

07:30-09:35

2 stops20h 05m

London Heathrow

Sat 2/5

06:40-16:10

2 stops15h 30m

£438

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 21/4

07:30-09:35

2 stops20h 05m

London Heathrow

Tue 5/5

21:05-16:10

2 stops25h 05m

£438

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 9/1

19:20-23:25

2 stops22h 05m

London Stansted

Sun 18/1

18:45-16:45

2 stops28h 00m

£441

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Fri 9/1

18:30-10:45

1 stop10h 15m

Manchester

Fri 16/1

11:55-17:20

1 stop11h 25m

£462

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Sat 10/1

18:30-10:45

1 stop10h 15m

Manchester

Sun 18/1

11:55-17:20

1 stop11h 25m

£462

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 18/2

21:05-11:15

Nonstop8h 10m

London Heathrow

Wed 25/2

06:50-12:10

1 stop11h 20m

£471

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 13/1

17:50-07:55

Nonstop8h 05m

London Heathrow

Tue 20/1

09:00-16:20

1 stop13h 20m

£471

Flights are sorted by cheapest return flights first.

Deals found on 22/11

Showing 1-10 of 60 results
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6

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, May is the cheapest month in which you can book a flight from Illinois to England (average of £301). Flying from Illinois to England in July is currently the most expensive (average of £460). 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 25 November 2025.

One of the essential ways to save on airfare from Illinois to England is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 18% on airfare.

What is the cheapest day to fly from Illinois to England?

Use this chart to determine the cheapest time to fly return from Illinois to England. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Illinois to England flight should consider departing on Saturday evenings when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 25 November 2025.

The most flights from USIL to GBENG are scheduled on a Monday (47 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (30 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 25 November 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.
United Airlines
7.4
Good
9,044 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,044 reviews
United Airlines
7.4
Good
9,044 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Aer Lingus
7.2
Good
1,381 reviews
United Airlines
7.4
Good
9,044 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Icelandair
7.0
Good
581 reviews
United Airlines
7.4
Good
9,044 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Iberia
7.0
Good
3,033 reviews
United Airlines
7.4
Good
9,044 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,536 reviews
United Airlines
7.4
Good
9,044 reviews
Check prices

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 11h 15m. Scandinavian Airlines provides one of the quickest options available for as low as £498. Illinois and England are separated by a distance of 3942 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to England one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at £144. British Airways flights start at £154 while deals on Scandinavian Airlines start at £273 one-way.

  • 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, May is the cheapest month in which you can book a flight from Illinois to England (average of £301). Flying from Illinois to England in July is currently the most expensive (average of £460). 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

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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.
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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 25 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£348Average£469FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£367Average£530FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£394Average£573FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£395Average£628FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£424Average£690FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Aer LingusCheapest£432Average£579FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IberiaCheapest£457Average£543FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest£474Average£632FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£498Average£510FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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