Cheap flights from London to Illinois

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How to find the cheapest flight from
London (LON) to Illinois

How far in advance should I book a flight from London to Illinois?

Users have found that booking a flight from London to Illinois at least 61 days early can save you up to 26% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from London to Illinois for as little as £316 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £372 for flights departing within the next 3 days.

What is the cheapest month to fly from London to Illinois?

Flights from London to Illinois lean towards being more expensive in July. Prices are generally better when you fly from London to Illinois in February, with the cheapest ticket starting at £247.

Cheap flights from London to Illinois in August, September 2020

The best prices found for LON to Illinois flights in August, September
16 Aug - 23 Aug
£370pp
LGW
London Gatwick
Multiple airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
     
3 STOPS
LGW
London Gatwick
18 Aug - 13 Sep
£426pp
SEN
London Southend
Multiple airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
SEN
London Southend
23 Aug - 5 Dec
£437pp
LGW
London Gatwick
Multiple airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick

London to Illinois 2020 flight deals

Cheap flights to Illinois from London found for this year
19 Sep - 26 Sep
£343pp
STN
London Stansted
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
19 Nov - 24 Nov
£343pp
LGW
London Gatwick
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
17 Sep - 24 Sep
£346pp
STN
London Stansted
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted

Direct flights to Illinois from London

Save time with London to Illinois direct flight deals
3 Nov - 10 Nov
£446pp
LHR
London Heathrow
Multiple airlines
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Lufthansa
Direct
LHR
London Heathrow
3 Nov - 10 Nov
£459pp
LHR
London Heathrow
Multiple airlines
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Finnair
Direct
LHR
London Heathrow
3 Nov - 10 Nov
£463pp
LHR
London Heathrow
Lufthansa
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Lufthansa
Direct
LHR
London Heathrow

Last-minute flights from London to Illinois

Late deals on return flights to Illinois from London, departing today and this week
23 Jul - 22 Dec
£591pp
LHR
London Heathrow
Aer Lingus
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Aer Lingus
 
1 STOP
LHR
London Heathrow
27 Jul - 22 Dec
£605pp
LHR
London Heathrow
Aer Lingus
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Aer Lingus
 
1 STOP
LHR
London Heathrow
24 Jul - 21 Aug
£621pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
     
3 STOPS
LHR
London Heathrow

One-way flights to Illinois from London

The cheapest one-way flights from London to Illinois
04:15 - 04:57
Multiple Airlines
3 stops
54h 42m
STN - ORD
Multiple Airlines
£125
Kiwi.com
04:25 - 04:57
Multiple Airlines
3 stops
54h 32m
STN - ORD
Multiple Airlines
£138
Kiwi.com
04:25 - 11:16
Multiple Airlines
3 stops
36h 51m
STN - ORD
Multiple Airlines
£142
Kiwi.com

Related info for your journey

Useful info, stats and facts about London to Illinois flights.

Flight FAQs

From London to Illinois

Are flight prices decreasing from London to Illinois due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and Illinois for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from London to Illinois for under £400 on Cheapflights?

Yes, there are multiple flights from London to Illinois for under £400. The cheapest flight booked recently is on Multiple Airlines for just £343, but on average you can expect to pay £370.

Are there direct flights from London to Illinois for under £500 on Cheapflights?

Cheapflights has 20 direct flights from London to Illinois under £500. A good price for a direct flight from London to Illinois is less than £480.

Are there last-minute flights available from London to Illinois for under £600?

There are currently 20+ open flights from London to Illinois within the next 7 days for less than £600.

What are the most popular airlines that fly from London to Illinois?

The most popular airlines flying from London to Illinois are American Airlines, Finnair and British Airways. Something to consider prior to booking your flight.

What are the most popular routes from London to Illinois?

When deciding which route to take from London to Illinois, consider London Heathrow - Chicago O'Hare Intl, London Gatwick - Chicago O'Hare Intl or London City - Chicago O'Hare Intl, as they are the most popular.

What are the cheapest flights from London to Illinois?

The cheapest flight price from London to Illinois is £221. On average you can expect to pay £405. The most popular route, (London Heathrow - Chicago O'Hare Intl), can usually be booked for £238.

How long does is the flight from London to Illinois?

For as low as £338, Finnair can have you in Illinois from London in 8h 35m. Generally, flights for this route are direct.

What are the cheapest airlines to flying from London to Illinois return?

Currently priced at £271, TAP AIR PORTUGAL will fly you from London to Illinois and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Lufthansa for as low as £301.

Destination information for Illinois

Things to know before you go. Useful info for your trip from London to Illinois
Today's exchange rate
£1 = $1.31

Airports servicing London

Heathrow (LHR)
Luton (LTN)
Stansted (STN)
City (LCY)
Southend (SEN)

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)
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