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Cheap flights from Illinois to England from £188

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LHR
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 11 March 2026.

Wed 8/419:25
ORD
-
EDI
2 stops22h 55m
Multiple Airlines
Wed 15/415:10
EDI
-
ORD
2 stops33h 05m
Multiple Airlines
Deal found 9/3£399
Wed 22/419:25
ORD
-
EDI
2 stops22h 55m
Multiple Airlines
Tue 28/420:15
EDI
-
ORD
2 stops28h 00m
Multiple Airlines
Deal found 8/3£408
Wed 22/418:00
ORD
-
LHR
1 stop18h 50m
TAP AIR PORTUGAL
Wed 29/408:00
LHR
-
ORD
1 stop14h 00m
TAP AIR PORTUGAL
Deal found 6/3£424
Mon 5/1019:25
ORD
-
LGW
1 stop13h 15m
Icelandair
Sat 10/1015:40
LGW
-
ORD
1 stop32h 35m
Icelandair
Deal found 8/3£424
Sun 12/419:25
ORD
-
STN
2 stops21h 55m
Multiple Airlines
Fri 17/406:20
STN
-
ORD
2 stops17h 55m
Multiple Airlines
Deal found 9/3£424
Mon 20/419:15
ORD
-
LHR
1 stop14h 45m
Scandinavian Airlines
Sat 25/406:40
LHR
-
ORD
1 stop15h 30m
Scandinavian Airlines
Deal found 8/3£425
Mon 20/419:25
ORD
-
LGW
1 stop13h 15m
Icelandair
Fri 24/415:40
LGW
-
ORD
1 stop11h 45m
Icelandair
Deal found 8/3£425
Mon 20/419:15
ORD
-
EDI
2 stops20h 20m
Multiple Airlines
Fri 24/415:30
EDI
-
ORD
2 stops30h 40m
Multiple Airlines
Deal found 11/3£425
Mon 27/419:15
ORD
-
LHR
1 stop14h 45m
Scandinavian Airlines
Fri 1/506:40
LHR
-
ORD
1 stop15h 30m
Scandinavian Airlines
Deal found 8/3£426
Tue 3/1118:30
ORD
-
LHR
1 stop10h 20m
Icelandair
Wed 11/1112:15
LHR
-
ORD
1 stop11h 05m
Icelandair
Deal found 8/3£426
Tue 3/1118:30
ORD
-
LGW
1 stop10h 25m
Icelandair
Wed 11/1111:55
LGW
-
ORD
1 stop11h 25m
Icelandair
Deal found 8/3£426
Fri 18/919:25
ORD
-
LGW
1 stop13h 15m
Icelandair
Sat 26/915:40
LGW
-
ORD
1 stop32h 35m
Icelandair
Deal found 9/3£427

Find flight deals from Illinois to England

Keep the following information in mind while searching for Illinois to England flight deals. Data was last updated 11 March 2026.

Round-trip from

£379

One-way from

£188

Popular in

June

Cheapest in

February

Average price

£524

Good round-trip deal

£558 or less

Good one-way deal

£287 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 5/9-8/9
  • 3 total stops
  • 68h 55m total
  • Illinois to England
Search Deals
12/4
  • 12/4
  • 3 total stops
  • 50h 25m total
  • Illinois to England
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£112 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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

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 11 March 2026.
Use the filters below to find and compare flights from Illinois to England that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Fri 1/5

21:00-17:25

1 stop14h 25m

London Luton

Thu 7/5

13:00-19:15

1 stop12h 15m

£484

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 18/5

21:00-22:50

1 stop19h 50m

London Luton

Mon 25/5

08:15-14:00

1 stop11h 45m

£523

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 31/3

21:30-11:55

Nonstop8h 25m

London Heathrow

Tue 7/4

06:55-14:00

1 stop13h 05m

£526

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 13/4

20:10-16:50

1 stop38h 40m

London Stansted

Thu 23/4

17:35-09:40

1 stop22h 05m

£533

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 5/4

20:10-22:10

1 stop20h 00m

London Stansted

Tue 12/5

06:55-18:15

1 stop17h 20m

£533

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sat 5/9

19:15-18:30

1 stop17h 15m

London Heathrow

Fri 11/9

06:40-16:10

1 stop15h 30m

£536

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 7/4

11:15-09:00

1 stop15h 45m

London Heathrow

Thu 16/4

06:50-15:48

2 stops14h 58m

£538

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

Wed 6/5

12:52-10:20

2 stops15h 28m

London Heathrow

Wed 13/5

09:55-21:09

2 stops17h 14m

£540

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Tue 31/3

17:59-13:45

2 stops13h 46m

London Heathrow

Wed 8/4

06:30-14:24

2 stops13h 54m

£542

St. LouisLondon

STL - LHR

STLLHR

Lambert-St Louis

Sun 19/4

09:59-07:10

2 stops15h 11m

London Heathrow

Thu 30/4

09:55-20:44

2 stops16h 49m

£542

Flights are sorted by cheapest return flights first.

Deals found on 10/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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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, June is the cheapest month in which you can book a flight from Illinois to England (average of £46). Flying from Illinois to England in July is currently the most expensive (average of £449). 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 11 March 2026.

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 11 March 2026.

The most flights from USIL to GBENG are scheduled on a Monday (45 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (45 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 11 March 2026.
See what other customers who have flown with United Airlines,Aer Lingus, andAmerican Airlines 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
9,415 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,415 reviews
United Airlines
7.4
Good
9,415 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Aer Lingus
7.2
Good
1,474 reviews
United Airlines
7.4
Good
9,415 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,425 reviews
United Airlines
7.4
Good
9,415 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Iberia
7.0
Good
3,133 reviews
United Airlines
7.4
Good
9,415 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,781 reviews
United Airlines
7.4
Good
9,415 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 8h 25m. United Airlines provides one of the quickest options available for as low as £526. Illinois and England are separated by a distance of 3939 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 £124. Aer Lingus flights start at £157 while deals on TAP AIR PORTUGAL start at £165 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, June is the cheapest month in which you can book a flight from Illinois to England (average of £46). Flying from Illinois to England in July is currently the most expensive (average of £449). 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 Illinois to England

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Illinois to England

Discover the top 8 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 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£339Average£515FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£358Average£514FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapest£385Average£612FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£414Average£562FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£422Average£629FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£427Average£511FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£462Average£663FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest£484Average£590FlexibilityNo cancel feeOn-time77%
Search Iberia 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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