How long is the flight from United Kingdom to Illinois?

A quick flight from United Kingdom to Illinois can take about 12h 10m. British Airways provides one of the quickest options available for as low as £538. The distance between United Kingdom and Illinois is about 3939 mi. Both multi-stop and direct flights can be found to your destination and back.

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

£293 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on JetBlue and Aer Lingus, with prices starting from £308 and £314, respectively.

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Can I find deals for flights from United Kingdom to Illinois that include hotel bookings?

Yes. In addition to deals on United Kingdom to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from United Kingdom to Illinois?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Illinois.

Can I find deals for business class flights from United Kingdom to Illinois?

Yes. Cheapflights offers flight deals from United Kingdom to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£260+ Cheap Flights from the United Kingdom to Illinois

Cheap flight deals from United Kingdom to Illinois

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from United Kingdom to Illinois
Explore the most affordable flight options available from United Kingdom to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Thu 22/1010:15 -

2 stops35h 55m

Thu 29/1020:15 -

2 stops16h 00m

Deal found 27/8£451

Fri 27/1106:05 -

1 stop14h 05m

Sat 5/1215:55 -

1 stop17h 05m

Deal found 31/8£487

Thu 15/1021:10 -

3 stops27h 05m

Sun 25/1019:30 -

3 stops32h 10m

Deal found 1/9£495

Thu 15/1011:10 -

2 stops35h 00m

Thu 22/1019:15 -

2 stops22h 15m

Deal found 31/8£506

Tue 29/906:15 -

1 stop19h 00m

Tue 6/1015:45 -

1 stop17h 55m

Deal found 31/8£515

Mon 12/1019:10 -

1 stop27h 00m

Sat 17/1019:15 -

1 stop17h 10m

Deal found 27/8£517

Mon 7/907:55 -

1 stop12h 05m

Mon 14/921:00 -

1 stop18h 35m

Deal found 31/8£520

Thu 15/1014:25 -

2 stops31h 45m

Thu 22/1019:15 -

2 stops21h 20m

Deal found 31/8£522

Thu 5/1111:55 -

1 stop11h 25m

Mon 9/1118:30 -

1 stop10h 15m

Deal found 27/8£523

Sat 17/1017:10 -

3 stops29h 00m

Sat 24/1019:15 -

3 stops21h 35m

Deal found 27/8£523

Thu 12/1112:00 -

1 stop12h 20m

Fri 27/1120:05 -

1 stop14h 40m

Deal found 31/8£524

Wed 14/1021:05 -

2 stops25h 05m

Mon 19/1019:15 -

2 stops15h 45m

Deal found 31/8£528

Best flights from United Kingdom to Illinois
Discover carefully curated flight deals from United Kingdom to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Sat 14/1112:10 -

1 stop12h 10m

Sat 28/1115:55 -

1 stop11h 10m

Deal found 31/8£538

Fri 23/1006:05 -

2 stops17h 00m

Sat 24/1016:00 -

2 stops36h 00m

Deal found 29/8£538

Thu 12/1112:55 -

2 stops33h 50m

Fri 27/1119:15 -

2 stops18h 25m

Deal found 31/8£555

Sun 1/1106:00 -

1 stop17h 20m

Sat 7/1118:30 -

1 stop12h 35m

Deal found 31/8£557

Sat 7/1108:40 -

2 stops17h 50m

Sat 21/1110:30 -

1 stop14h 45m

Deal found 31/8£583

Fri 6/1110:00 -

2 stops18h 33m

Fri 27/1111:27 -

1 stop18h 13m

Deal found 1/9£584

Tue 29/909:25 -

1 stop12h 30m

Wed 21/1014:20 -

1 stop12h 05m

Deal found 29/8£604

Tue 22/1211:55 -

1 stop11h 25m

Sun 3/118:30 -

1 stop10h 25m

Deal found 29/8£639

Wed 21/1016:25 -

1 stop26h 15m

Tue 27/1013:00 -

2 stops15h 50m

Deal found 31/8£650

Thu 15/1009:20 -

1 stop10h 55m

Fri 23/1016:20 -

1 stop11h 10m

Deal found 27/8£663

Thu 8/1017:35 -

1 stop22h 05m

Tue 13/1011:25 -

1 stop23h 25m

Deal found 28/8£670

Wed 23/920:40 -

2 stops30h 04m

Mon 28/911:01 -

2 stops17h 49m

Deal found 1/9£673

Thu 1/1010:25 -

2 stops15h 33m

Sat 10/1012:00 -

2 stops15h 20m

Deal found 30/8£689

Fri 11/907:40 -

1 stop12h 20m

Mon 14/920:50 -

Nonstop8h 00m

Deal found 28/8£547

Wed 4/1106:10 -

2 stops36h 59m

Thu 5/1117:50 -

1 stop10h 30m

Deal found 31/8£550

Tue 22/907:05 -

2 stops15h 05m

Wed 21/1019:15 -

1 stop17h 15m

Deal found 31/8£558

Thu 22/1008:30 -

2 stops15h 45m

Wed 28/1019:30 -

2 stops15h 45m

Deal found 28/8£563

Tue 17/1106:30 -

2 stops16h 09m

Tue 1/1211:28 -

1 stop14h 22m

Deal found 31/8£583

Sat 7/1106:30 -

2 stops17h 30m

Wed 18/1111:27 -

2 stops13h 23m

Deal found 28/8£585

Wed 28/1012:10 -

1 stop12h 10m

Sat 14/1121:50 -

Nonstop7h 45m

Deal found 27/8£547

Thu 22/1010:15 -

2 stops35h 55m

Thu 29/1020:15 -

1 stop17h 10m

Deal found 30/8£563

Fri 18/1206:00 -

1 stop17h 20m

Sun 3/118:30 -

1 stop22h 00m

Deal found 31/8£565

Wed 2/1210:25 -

Nonstop9h 20m

Tue 8/1217:45 -

Nonstop8h 10m

Deal found 28/8£578

Tue 22/908:40 -

2 stops15h 39m

Wed 21/1012:49 -

1 stop11h 36m

Deal found 29/8£585

Thu 24/906:30 -

2 stops18h 03m

Wed 7/1012:27 -

1 stop15h 53m

Deal found 27/8£586

Thu 8/1017:35 -

1 stop22h 05m

Tue 13/1020:10 -

1 stop38h 30m

Deal found 31/8£679

Sat 5/1208:50 -

1 stop11h 20m

Thu 10/1217:10 -

Nonstop7h 45m

Deal found 28/8£562

Tue 13/1010:15 -

2 stops35h 55m

Tue 20/1019:15 -

1 stop17h 10m

Deal found 29/8£565

Wed 18/1107:45 -

2 stops15h 35m

Sun 29/1115:55 -

1 stop11h 15m

Deal found 29/8£581

Thu 22/1010:35 -

1 stop35h 25m

Sun 25/1021:10 -

1 stop13h 35m

Deal found 31/8£707

Find flight deals from United Kingdom to Illinois

Round-trip from	£436
One-way from	£260
Popular in	August
Cheapest in	February
Average price	£564
Good round-trip deal	£603 or less
Good one-way deal	£517 or less

15/10-22/10
5 total stops
56h 15m total
United Kingdom to Illinois

Search Deals

19/10
3 total stops
28h 35m total
United Kingdom to Illinois

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£56 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from United Kingdom to Illinois.

Search Deals

Price to beat on a one-way flight from United Kingdom to Illinois.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Sat 14/11

12:10-18:20

1 stop12h 10m

Chicago O'Hare Intl

Sat 28/11

15:55-09:05

1 stop11h 10m

£538

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Fri 23/10

06:05-17:05

2 stops17h 00m

Chicago O'Hare Intl

Sat 24/10

16:00-10:00

2 stops36h 00m

£538

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Fri 11/9

07:40-14:00

1 stop12h 20m

Chicago O'Hare Intl

Mon 14/9

20:50-10:50

Nonstop8h 00m

£547

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Wed 28/10

12:10-19:20

1 stop12h 10m

Chicago O'Hare Intl

Sat 14/11

21:50-11:35

Nonstop7h 45m

£547

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Wed 4/11

06:10-13:09

2 stops36h 59m

Chicago O'Hare Intl

Thu 5/11

17:50-10:20

1 stop10h 30m

£550

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Thu 12/11

12:55-16:45

2 stops33h 50m

Chicago O'Hare Intl

Fri 27/11

19:15-19:40

2 stops18h 25m

£555

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Sun 1/11

06:00-18:20

1 stop17h 20m

Chicago O'Hare Intl

Sat 7/11

18:30-13:05

1 stop12h 35m

£557

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Tue 22/9

07:05-16:10

2 stops15h 05m

Chicago O'Hare Intl

Wed 21/10

19:15-18:30

1 stop17h 15m

£558

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Sat 5/12

08:50-14:10

1 stop11h 20m

Chicago O'Hare Intl

Thu 10/12

17:10-06:55

Nonstop7h 45m

£562

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Thu 22/10

08:30-18:15

2 stops15h 45m

Chicago O'Hare Intl

Wed 28/10

19:30-16:15

2 stops15h 45m

£563

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from United Kingdom to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from United Kingdom with our price prediction graph.

LHR-ORD

MAN-ORD

LTN-ORD

LHR-MDW

LGW-ORD

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Illinois

GB0-USIL

LHR-ORD

MAN-ORD

LTN-ORD

LHR-MDW

What is the cheapest month to book a flight from United Kingdom to Illinois?

Currently, February is the cheapest month in which you can book a flight from United Kingdom to Illinois (average of £481). Flying from United Kingdom to Illinois in August is currently the most expensive (average of £782). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GB to IL?

When flying from United Kingdom to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to Illinois

The most flights from GB0 to USIL are scheduled on a Friday (49 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (44 on average).

How far ahead should I book a flight from United Kingdom to Illinois?

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Illinois

Read through reviews of airlines operating flights from the United Kingdom to Illinois, such as Scandinavian Airlines,Aer Lingus, andIcelandair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Scandinavian Airlines

7.4

Good

1,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.

Scandinavian Airlines

7.4

Good

1,970 reviews

Scandinavian Airlines

7.4

Good

1,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.

Aer Lingus

7.3

Good

1,736 reviews

Scandinavian Airlines

7.4

Good

1,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.

Icelandair

6.9

Okay

738 reviews

Scandinavian Airlines

7.4

Good

1,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.

Lufthansa

6.8

Okay

8,228 reviews

Scandinavian Airlines

7.4

Good

1,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.

British Airways

6.7

Okay

8,198 reviews

Scandinavian Airlines

7.4

Good

1,970 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.

Related info for your journey

How long is the flight from United Kingdom to Illinois?
A quick flight from United Kingdom to Illinois can take about 12h 10m. British Airways provides one of the quickest options available for as low as £538. The distance between United Kingdom and Illinois is about 3939 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from United Kingdom to Illinois one-way?
£293 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on JetBlue and Aer Lingus, with prices starting from £308 and £314, respectively.
Can I find deals for flights from United Kingdom to Illinois that include hotel bookings?
Yes. In addition to deals on United Kingdom to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Illinois.
Can I find deals for business class flights from United Kingdom to Illinois?
Yes. Cheapflights offers flight deals from United Kingdom to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from United Kingdom to Illinois?
Currently, February is the cheapest month in which you can book a flight from United Kingdom to Illinois (average of £481). Flying from United Kingdom to Illinois in August is currently the most expensive (average of £782). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Airlines

Alternative routes

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Popular flights

Return Flight Options

Top destinations

Airlines flying to Illinois

Icelandair flights to Illinois

Aer Lingus flights to Illinois

Finnair flights to Illinois

Lufthansa flights to Illinois

British Airways flights to Illinoisfrom £477/person

Top 10 airlines flying from United Kingdom to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£35	Average£61	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Icelandair	Cheapest£201	Average£560	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£326	Average£697	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Scandinavian Airlines	Cheapest£376	Average£494	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
JetBlue	Cheapest£380	Average£642	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
TAP AIR PORTUGAL	Cheapest£384	Average£570	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£391	Average£636	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Lufthansa	Cheapest£401	Average£769	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£403	Average£643	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£420	Average£802	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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How does Cheapflights help users find flights from United Kingdom to Illinois?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Illinois from United Kingdom today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Illinois?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from United Kingdom.

Can Cheapflights find flights from United Kingdom to Illinois with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from United Kingdom to Illinois, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from United Kingdom to Illinois become cheaper?

Yes, Cheapflights offers price alerts on United Kingdom to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from the United Kingdom to Illinois from £260

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Illinois

Cheapest flights from United Kingdom to IllinoisExplore the most affordable flight options available from United Kingdom to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Explore the most affordable flight options available from United Kingdom to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Best flights from United Kingdom to IllinoisDiscover carefully curated flight deals from United Kingdom to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Discover carefully curated flight deals from United Kingdom to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Direct flights from United Kingdom to IllinoisExplore direct flight options from United Kingdom to Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Explore direct flight options from United Kingdom to Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Last-minute flights from United Kingdom to IllinoisDiscover last-minute flight deals from United Kingdom to Illinois. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Illinois. Data last updated 1 September 2026 and is based on user searches.

One-way flights from United Kingdom to IllinoisSearch for one-way flight options from United Kingdom to Illinois. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Search for one-way flight options from United Kingdom to Illinois. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Find flight deals from United Kingdom to Illinois

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Illinois that are best for you.

Best time to book a flight from United Kingdom to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from United Kingdom with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from United Kingdom to Illinois?

What is the cheapest time of day to fly from GB to IL?

Find hourly flight availability from United Kingdom to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 September 2026.

When flying from United Kingdom to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to Illinois

The most flights from GB0 to USIL are scheduled on a Friday (49 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (44 on average).

How far ahead should I book a flight from United Kingdom to Illinois?

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Illinois

Read through reviews of airlines operating flights from the United Kingdom to Illinois, such as Scandinavian Airlines,Aer Lingus, andIcelandair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from United Kingdom to Illinois?

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

Can I find deals for flights from United Kingdom to Illinois that include hotel bookings?

How can I find direct flights from United Kingdom to Illinois?

Can I find deals for business class flights from United Kingdom to Illinois?

What is the cheapest month to book a flight from United Kingdom to Illinois?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Airlines flying to Illinois

Alternative routes for United Kingdom to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Illinois by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from United Kingdom to Illinois by cabin class

Find flights from United Kingdom to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.

United Kingdom and Illinois flights

Browse other United Kingdom and Illinois flight options. Last updated on 1 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Illinois

Find the right flight back to United Kingdom after your stay in Illinois

United Kingdom to Illinois flights

Consider these flights travelling from United Kingdom to Illinois.

Top 10 airlines flying from United Kingdom to Illinois

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How does Cheapflights help users find flights from United Kingdom to Illinois?

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Illinois?

Can Cheapflights find flights from United Kingdom to Illinois with no change fees?

Can Cheapflights notify me if prices for flights from United Kingdom to Illinois become cheaper?

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Cheapest flights from United Kingdom to Illinois
Explore the most affordable flight options available from United Kingdom to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Best flights from United Kingdom to Illinois
Discover carefully curated flight deals from United Kingdom to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Direct flights from United Kingdom to Illinois
Explore direct flight options from United Kingdom to Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Last-minute flights from United Kingdom to Illinois
Discover last-minute flight deals from United Kingdom to Illinois. Data last updated 1 September 2026 and is based on user searches.

One-way flights from United Kingdom to Illinois
Search for one-way flight options from United Kingdom to Illinois. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.