Cheap flights from United Kingdom to Illinois

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How to find the cheapest flight from
United Kingdom to Illinois

All the information you need to plan the best null to ORD flight in 2021: compare United Kingdom to Illinois flight prices with the expected peak season, weather and rainfall in Illinois.
How far in advance should I book a flight from United Kingdom to Illinois?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 32% on flights from United Kingdom to Illinois compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £387. For sooner than that we have options available in the next 3 days from £468.

What is the cheapest month to fly from United Kingdom to Illinois?

Our data shows that October tends to be the cheapest month to fly to Illinois from United Kingdom. Users have commonly found prices around £362 for the month, but tickets can be as low as £254. Due to multiple factors, prepare for potentially higher prices in July.

Cheap flights from United Kingdom to Illinois in April, May 2021

The best prices found for United Kingdom to Illinois flights in April, May
6 May - 13 May
£325pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
LHR
London Heathrow
6 May - 27 May
£333pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
LHR
London Heathrow
30 May - 8 Jun
£333pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Air Canada
 
1 STOP
LHR
London Heathrow

United Kingdom to Illinois 2021 flight deals

Cheap flights to Illinois from United Kingdom found for this year
16 Jun - 24 Jun
£262pp
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
21 Jul - 31 Jul
£265pp
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 - 24 Jun
£269pp
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 United Kingdom

Save time with United Kingdom to Illinois direct flight deals
24 Aug - 5 Sep
£354pp
LHR
London Heathrow
Austrian Airlines
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Austrian Airlines
Direct
LHR
London Heathrow
25 Aug - 16 Sep
£355pp
LHR
London Heathrow
Brussels Airlines
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Brussels Airlines
Direct
LHR
London Heathrow
6 May - 13 May
£356pp
LHR
London Heathrow
Austrian Airlines
Direct
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Austrian Airlines
Direct
LHR
London Heathrow

Last-minute flights from United Kingdom to Illinois

Late deals on return flights to Illinois from United Kingdom, departing today and this week
25 Apr - 1 May
£440pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
23 Apr - 14 May
£452pp
STN
London Stansted
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
STN
London Stansted
23 Apr - 5 May
£453pp
STN
London Stansted
Multiple airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
STN
London Stansted

One-way flights to Illinois from United Kingdom

The cheapest one-way flights from United Kingdom to Illinois
17:05 - 14:35
Multiple Airlines
1 stop
27h 30m
LGW - ORD
Multiple Airlines
£199
Combigo
14:20 - 10:20
Multiple Airlines
2 stops
26h 00m
LTN - ORD
Multiple Airlines
£162
Gotogate
14:10 - 14:10
Multiple Airlines
2 stops
30h 00m
MAN - ORD
Multiple Airlines
£169
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">United Kingdom</span> to <span class="emphasized">Illinois</span> flights.

Flight FAQs

From United Kingdom to Illinois

Are flight prices decreasing from United Kingdom 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 United Kingdom 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 United Kingdom to Illinois to control the spread of COVID-19?

New policies can now be found on Delta to help keep travellers safe while flying. Airline carriers are regularly disinfecting and sanitising their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from United Kingdom to Illinois. Policies will vary by airline.

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

Some of the carriers operating flights from United Kingdom to Illinois that may be offering flexible cancellation policies are British Airways, United Airlines, and Aer Lingus. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from United Kingdom to Illinois for under £290 on Cheapflights?

Yes, there are multiple flights from United Kingdom to Illinois for under £290. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £262, but on average you can expect to pay £287.

Are there direct flights from United Kingdom to Illinois for under £362 on Cheapflights?

Cheapflights has 20 direct flights from United Kingdom to Illinois under £362. A good price for a direct flight from United Kingdom to Illinois is less than £368.

Are there last-minute flights available from United Kingdom to Illinois for under £507?

There are currently 20+ open flights from United Kingdom to Illinois within the next 7 days for less than £507.

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

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

What are the most popular routes from United Kingdom to Illinois?

The most popular route from United Kingdom to Illinois is London Heathrow - Chicago O'Hare Intl. You may also consider London City - Chicago O'Hare Intl or London Gatwick - Chicago O'Hare Intl.

What are the cheapest flights from United Kingdom to Illinois?

On average you can expect to pay £840 for a flight from United Kingdom to Illinois. The cheapest flight overall is £279 while the most popular route, (London Heathrow - Chicago O'Hare Intl) is currently priced at £266.

How long does is the flight from United Kingdom to Illinois?

For as low as £418, Icelandair can have you in Illinois from United Kingdom in 11h 10m. This flight may include one or multiple stops.

What is the cheapest airline to fly from United Kingdom to Illinois return?

TAP AIR PORTUGAL, at £263, was found to be the cheapest airline from United Kingdom to Illinois..

Destination points for flights from United Kingdom to Illinois

Select to see more specific information for flights from United Kingdom to all places in Illinois.

Destination information for Illinois

Things to know before you go - useful duration and weather info for your trip from United Kingdom to Illinois.
Today's exchange rate
£1 = $1.38

Airports servicing

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

Top 10 airlines flying from United Kingdom to Illinois

The chart below displays the airlines Cheapflights users travelling from United Kingdom to Illinois choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Ryanair
£44 £69 No cancel fee N/A
Search Ryanair flights
Norwegian
£344 £520 No cancel fee 74%
Search Norwegian flights
TAP AIR PORTUGAL
£268 £546 No cancel fee N/A
Search TAP AIR PORTUGAL flights
Brussels Airlines
£352 £564 No cancel fee N/A
Search Brussels Airlines flights
Norwegian Air UK
£302 £590 No cancel fee N/A
Search Norwegian Air UK flights
Delta
£330 £602 No cancel fee N/A
Search Delta flights
Air France
£360 £604 No cancel fee 77%
Search Air France flights
Austrian Airlines
£358 £611 No cancel fee 78%
Search Austrian Airlines flights
Air Canada
£312 £624 No cancel fee 67%
Search Air Canada flights
SAS
£386 £643 No cancel fee 77%
Search SAS flights
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