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 32% 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 £389 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 £470 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 October, with the cheapest ticket starting at £255.

Cheap flights from London to Illinois in April, May 2021

20 May - 25 May
£289pp
LGW
London Gatwick
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
20 May - 25 May
£290pp
LGW
London Gatwick
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
LGW
London Gatwick
31 May - 11 Jun
£307pp
STN
London Stansted
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted

London to Illinois 2021 flight deals

21 Sep - 27 Sep
£268pp
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
21 Sep - 27 Sep
£269pp
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
13 Jun - 17 Jun
£270pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow

Direct flights to Illinois from London

26 May - 31 May
£405pp
LHR
London Heathrow
Finnair
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Finnair
Direct
LHR
London Heathrow
10 May - 17 May
£421pp
LHR
London Heathrow
Finnair
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Finnair
Direct
LHR
London Heathrow
21 May - 31 May
£425pp
LHR
London Heathrow
Brussels Airlines
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Brussels Airlines
Direct
LHR
London Heathrow

Last-minute flights from London to Illinois

21 Apr - 16 May
£319pp
STN
London Stansted
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
21 Apr - 16 May
£324pp
STN
London Stansted
Multiple airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
16 Apr - 23 Apr
£462pp
STN
London Stansted
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
     
3 STOPS
STN
London Stansted

One-way flights to Illinois from London

05:45 - 14:35
Multiple Airlines
1 stop
14h 50m
LGW - ORD
Multiple Airlines
£177
Combigo
04:15 - 09:45
Multiple Airlines
2 stops
35h 30m
STN - ORD
Multiple Airlines
£169
Gotogate
04:15 - 08:40
Multiple Airlines
2 stops
34h 25m
STN - ORD
Multiple Airlines
£171
Gotogate

Related info for your journey

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.

What safety measures are being taken by airlines flying from London to Illinois to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travellers flying from London to Illinois are improved sanitation, HEPA filters, mask requirements, socially-distanced seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from London to Illinois have flexible cancellations due to COVID-19?

Some of our airline partners flying from London to Illinois have new flexible policies in place due to COVID-19. British Airways, United Airlines, and Finnair are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like British Airways with this kind of flexibility.

Can I find flights from London to Illinois for under £292 on Cheapflights?

Yes, there are multiple flights from London to Illinois for under £292. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £268, but on average you can expect to pay £279.

Are there direct flights from London to Illinois for under £438 on Cheapflights?

Cheapflights has 20 direct flights from London to Illinois under £438. A good price for a direct flight from London to Illinois is less than £437.

Are there last-minute flights available from London to Illinois for under £365?

There are currently 20+ open flights from London to Illinois within the next 7 days for less than £365.

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

The most popular airlines flying from London to Illinois are American Airlines, Air Canada and Air France. 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 City - Chicago O'Hare Intl or London Heathrow - Chicago Midway, as they are the most popular.

What are the cheapest flights from London to Illinois?

The cheapest flight price from London to Illinois is £233. On average you can expect to pay £955. The most popular route, (London Heathrow - Chicago O'Hare Intl), can usually be booked for £270.

What are the most reliable airlines from London to Illinois?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Illinois on time: American Airlines(99%), Qatar Airways(99%), EL AL(99%.)

How long does is the flight from London to Illinois?

For as low as £468, KLM can have you in Illinois from London in 10h 50m. Both multi-stop and direct flights can be found to your destination and back.

What is the cheapest airline to fly from London to Illinois return?

Currently priced at £269, 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.

Destination information for Illinois

Today's exchange rate
£1 = $1.38

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Airports servicing

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

Top 10 airlines flying from London to Illinois

Airline Cheapest Average Flexibility On-time COVID-19 safety
Air Canada
£352 £496 No cancel fee 67%
Search Air Canada flights
SWISS
£353 £513 No cancel fee 79%
Search SWISS flights
Norwegian
£344 £520 No cancel fee 74%
Search Norwegian flights
Brussels Airlines
£352 £521 No cancel fee N/A
Search Brussels Airlines flights
Virgin Atlantic
£345 £528 No cancel fee 72%
Search Virgin Atlantic flights
TAP AIR PORTUGAL
£412 £584 No cancel fee N/A
Search TAP AIR PORTUGAL flights
Delta
£330 £585 No cancel fee N/A
Search Delta flights
Norwegian Air UK
£302 £590 No cancel fee N/A
Search Norwegian Air UK flights
Air France
£360 £606 No cancel fee 77%
Search Air France flights
KLM
£368 £610 No cancel fee 75%
Search KLM flights
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