Cheap flights from Illinois (IL) to United Kingdom

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How to find the cheapest flight from
Illinois to United Kingdom

All the information you need to plan the best null to LHR flight in 2022: compare Illinois to United Kingdom flight prices with the expected peak season, weather and rainfall in United Kingdom.
How far in advance should I book a flight from Illinois to United Kingdom?

Find a great deal and save up to 39% 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 Illinois to United Kingdom within the next two weeks, with the cheapest ticket starting at $704.

When is the cheapest time to fly from Illinois to United Kingdom (IL - GB)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to United Kingdom as you normally would.

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

April can be a great time to fly to United Kingdom from Illinois with a flight ticket averaging about $590. Cheapflights users have found deals in the month of April for as cheap as $386. The most expensive prices can be found in the month of December.

Cheap flights from Illinois to United Kingdom in January, February 2022

The best prices found for Illinois to United Kingdom flights for January, February
2 Feb - 23 Feb
$329pp
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
LTN
London Luton
LTN
London Luton
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
18 Feb - 4 Mar
$351pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
2 Feb - 23 Feb
$354pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl

Illinois to United Kingdom 2022 flight deals

Cheap flights to United Kingdom from Illinois found for this year
27 Aug - 29 Aug
$306pp
ORD
Chicago O'Hare Intl
SAS
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
SAS
 
1 STOP
ORD
Chicago O'Hare Intl
7 May - 9 May
$307pp
ORD
Chicago O'Hare Intl
SAS
 
1 STOP
EDI
Edinburgh Turnhouse
EDI
Edinburgh Turnhouse
SAS
 
1 STOP
ORD
Chicago O'Hare Intl
7 May - 9 May
$311pp
ORD
Chicago O'Hare Intl
SAS
 
1 STOP
EDI
Edinburgh Turnhouse
EDI
Edinburgh Turnhouse
SAS
 
1 STOP
ORD
Chicago O'Hare Intl

Non-stop flights to United Kingdom from Illinois

Save time with Illinois to United Kingdom direct flight deals
2 Mar - 9 Mar
$504pp
ORD
Chicago O'Hare Intl
Iberia
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Iberia
Non-Stop
ORD
Chicago O'Hare Intl
17 Feb - 3 Mar
$549pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Iberia
Non-Stop
ORD
Chicago O'Hare Intl
28 Jan - 4 Mar
$550pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Illinois to United Kingdom

Late deals on round-trip flights to United Kingdom from Illinois, departing today and this week
26 Jan - 2 Feb
$362pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
26 Jan - 3 Feb
$366pp
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
STN
London Stansted
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
26 Jan - 20 Feb
$366pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to United Kingdom from Illinois

The cheapest one-way flights from Illinois to United Kingdom
3:30 pm - 7:45 am
Icelandair
1 Stop
10h 15m
ORD - LHR
Icelandair
$256
StudentUniverse
8:16 am - 11:35 am
Multiple Airlines
2 Stops
21h 19m
ORD - LHR
Multiple Airlines
$261
Kiwi.com
7:15 pm - 5:50 am
TAP AIR PORTUGAL
1 Stop
29h 35m
ORD - LGW
TAP AIR PORTUGAL
$265
Travelgenio

Related info for your journey

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

Flight FAQs

From Illinois to United Kingdom

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

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

Can I find flights from Illinois to United Kingdom for under $400 on Cheapflights?

Yes, there are multiple flights from Illinois to United Kingdom for under $400. The cheapest flight booked recently is on SAS for just $307, but on average you can expect to pay $327.

Are there nonstop flights from Illinois to United Kingdom for under $600 on Cheapflights?

Cheapflights has at least 20 direct flights from Illinois to United Kingdom under $600. A good price for a nonstop flight from Illinois to United Kingdom is less than $574.

Are there last-minute flights available from Illinois to United Kingdom for under $400?

There are currently 20+ open flights from Illinois to United Kingdom within the next 7 days for less than $400.

Related searches

Flights to United Kingdom from Illinois
Flights to Illinois Flights to United Kingdom

Rent a Car

Car Rentals in United Kingdom Car Rentals at Heathrow

COVID Restrictions

View COVID Travel Restrictions for United Kingdom

Do I need a COVID test to fly to United Kingdom from Illinois?

Information is based on travel restrictions from Illinois to United Kingdom

Most visitors from Illinois need to provide a negative COVID-19 test result and/or quarantine to enter United Kingdom.

COVID-19 testing requirements
Visitors from Illinois must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 2 days hours before departing to United Kingdom.

Quarantine requirements
Visitors from Illinois are not required to quarantine after entering United Kingdom.

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.


Do I need a test to fly back to Illinois from United Kingdom?

Returning to Illinois from United Kingdom

COVID-19 testing requirements
Visitors from United Kingdom must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Illinois.

Quarantine requirements
Visitors from United Kingdom are not required to quarantine after entering Illinois.

Hide COVID Travel Restrictions for United Kingdom

Destination points for flights from Illinois to United Kingdom

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

Destination information for United Kingdom

Things to know before you go - useful duration and weather info for your trip from Illinois to United Kingdom.
Today's exchange rate
$1 = £0.74

Airports servicing

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

Top 10 airlines flying from Illinois to United Kingdom

The chart below displays the airlines Cheapflights users traveling from Illinois to United Kingdom 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
SAS
$288 $723 No cancel fee 77%
Norwegian Air UK
$330 $566 No cancel fee N/A
Norwegian
$334 $477 No cancel fee 74%
Finnair
$355 $555 No cancel fee 76%
Air Canada
$362 $721 No cancel fee 67%
Lufthansa
$364 $670 No cancel fee 76%
British Airways
$368 $681 No cancel fee 70%
Brussels Airlines
$371 $600 No cancel fee N/A
Iberia
$377 $651 No cancel fee 77%
American Airlines
$379 $984 No cancel fee 71%
Home Europe United Kingdom Cheap flights from Illinois to United Kingdom