Cheap flights from Heathrow to Illinois

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How to find the cheapest flight from
Heathrow (LHR) to Illinois

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

Find a great deal and save up to 26% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Heathrow to Illinois within the next two weeks, with the cheapest ticket starting at £313.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Illinois. Flights to Illinois from Heathrow in February are about £369 on average during February, but can be found for as low as £246.

Cheap flights from Heathrow to Illinois in July, August 2020

The best prices found for LHR to Illinois flights in July, August
26 Aug - 4 Nov
£463pp
LHR
London Heathrow
Lufthansa
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Lufthansa
 
1 STOP
LHR
London Heathrow
26 Aug - 4 Nov
£478pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Austrian Airlines
 
1 STOP
LHR
London Heathrow
24 Aug - 21 Sep
£481pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
LHR
London Heathrow

Heathrow to Illinois 2020 flight deals

Cheap flights to Illinois from Heathrow found for this year
3 Nov - 10 Nov
£353pp
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
23 Nov - 29 Nov
£363pp
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
19 Nov - 24 Nov
£370pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

Direct flights to Illinois from Heathrow

Save time with Heathrow 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 Heathrow to Illinois

Late deals on return flights to Illinois from Heathrow, 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 Heathrow

The cheapest one-way flights from Heathrow to Illinois
14:45 - 12:15
TAP AIR PORTUGAL
1 stop
27h 30m
LHR - ORD
TAP AIR PORTUGAL
09:45 - 12:15
TAP AIR PORTUGAL
1 stop
32h 30m
LHR - ORD
TAP AIR PORTUGAL
14:45 - 12:15
TAP AIR PORTUGAL
1 stop
27h 30m
LHR - ORD
TAP AIR PORTUGAL
£253
mytrip.com

Related info for your journey

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

Flight FAQs

From Heathrow to Illinois

Are flight prices decreasing from Heathrow 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 Heathrow 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 Heathrow to Illinois for under £400 on Cheapflights?

Yes, there are multiple flights from Heathrow to Illinois for under £400. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £353, but on average you can expect to pay £390.

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

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

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

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

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

American Airlines, Air Canada and Air France are the most popular airlines when flying from Heathrow to Illinois.

What are the most popular routes from Heathrow to Illinois?

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

What are the cheapest flights from Heathrow to Illinois?

While on average a flight from Heathrow to Illinois is generally £387, our data shows the cheapest flight currently is £267. When looking at the most popular route, (London Heathrow - Chicago O'Hare Intl), you can expect to pay £277 for that flight.

What are the most reliable airlines from Heathrow to Illinois?

No one likes to see their flight delayed. When booking a flight from Heathrow to Illinois consider choosing EL AL(100%), Gulf Air(100%) or United Airlines(99%), as they are the most reliable in getting you off to your destination on time.

How long does is the flight from Heathrow to Illinois?

Departing from Heathrow to Illinois will take you 8h 35m. Generally, flights for this route are nonstop.

What are the cheapest airlines to flying from Heathrow to Illinois round-trip?

Flying on TAP AIR PORTUGAL is currently your cheapest option to Illinois, with prices starting at £270. Additional round trip that might be worth considering are Lufthansa, and Austrian Airlines with the lowest prices starting at £300 and £321, respectively.

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

For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £245.

Arrival points for flights from Heathrow to Illinois

Destination information for Illinois

Things to know before you go. Useful info for your trip from Heathrow to Illinois
Today's exchange rate
£1 = $1.32

Airports servicing London

Airports servicing

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