Cheap flights from Heathrow to Illinois

Return
Economy
London (LHR)
Chicago (ORD)
Depart
Return
Any month
Compare vs Cheapflights |

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 32% 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 £389.

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, October can be a great choice for travel to Illinois. Flights to Illinois from Heathrow in October are about £364 on average during October, but can be found for as low as £255.

Cheap flights from Heathrow to Illinois in April, May 2021

11 May - 18 May
£349pp
LHR
London Heathrow
Virgin Atlantic
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
11 May - 18 May
£353pp
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
22 May - 19 Jun
£361pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow

Heathrow to Illinois 2021 flight deals

12 Sep - 16 Sep
£264pp
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
4 Jun - 14 Jun
£266pp
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
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 Heathrow

11 May - 18 May
£403pp
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
20 May - 25 May
£424pp
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 Heathrow to Illinois

21 Apr - 16 May
£420pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
19 Apr - 3 Sep
£481pp
LHR
London Heathrow
Aer Lingus
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Aer Lingus
 
1 STOP
LHR
London Heathrow
18 Apr - 15 May
£487pp
LHR
London Heathrow
LOT
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
LOT
 
1 STOP
LHR
London Heathrow

One-way flights to Illinois from Heathrow

14:45 - 10:25
Multiple Airlines
1 stop
25h 40m
LHR - ORD
Multiple Airlines
£221
Combigo
16:25 - 14:35
Multiple Airlines
2 stops
52h 10m
LHR - ORD
Multiple Airlines
£181
Kiwi.com
05:15 - 14:35
Multiple Airlines
2 stops
39h 20m
LHR - ORD
Multiple Airlines
£187
Kiwi.com

Related info for your journey

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.

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

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Some of the new policies that have been implemented to accommodate travellers flying from London Heathrow 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 Heathrow to Illinois have flexible cancellations due to COVID-19?

Some of our airline partners flying from London Heathrow 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 Heathrow to Illinois for under £292 on Cheapflights?

Yes, there are multiple flights from Heathrow to Illinois for under £292. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £264, but on average you can expect to pay £282.

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

Cheapflights has 20 direct flights from Heathrow to Illinois under £438. A good price for a direct flight from Heathrow to Illinois is less than £435.

Are there last-minute flights available from Heathrow to Illinois for under £438?

There are currently 20+ open flights from Heathrow to Illinois within the next 7 days for less than £438.

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 - Springfield Capital, 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 £955, our data shows the cheapest flight currently is £233. When looking at the most popular route, (London Heathrow - Chicago O'Hare Intl), you can expect to pay £265 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 American Airlines(99%), Qatar Airways(99%) or EL AL(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 11h 31m. Both multi-stop and direct flights can be found to your destination and back.

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

Flying on TAP AIR PORTUGAL is currently your cheapest option to Illinois, with prices starting at £265.

Destination points for flights from Heathrow to Illinois

Destination information for Illinois

Today's exchange rate
£1 = $1.38

Airports servicing London

Airports servicing

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

Top 10 airlines flying from Heathrow 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
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
Lufthansa
£349 £586 No cancel fee 76%
Search Lufthansa flights
Air France
£360 £606 No cancel fee 77%
Search Air France flights
KLM
£368 £610 No cancel fee 75%
Search KLM flights
Austrian Airlines
£358 £611 No cancel fee 78%
Search Austrian Airlines flights
Home North America USA Illinois Cheap flights from Heathrow to Illinois
  • Return
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First