How long is the flight from United Kingdom to Illinois?

A quick flight from United Kingdom to Illinois can take about 13h 10m. Aer Lingus provides one of the quickest options available for as low as £511. The distance between United Kingdom and Illinois is about 3812 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?

£208 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 £309 and £313, 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.

£288+ 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 13 September 2026.

Thu 5/1111:20 -

1 stop12h 00m

Mon 9/1118:30 -

1 stop9h 50m

Deal found 12/9£462

Sun 1/1106:00 -

1 stop14h 10m

Sun 1/1120:05 -

1 stop19h 30m

Deal found 8/9£489

Sat 14/1113:10 -

1 stop11h 10m

Sat 21/1120:05 -

1 stop19h 45m

Deal found 9/9£495

Mon 5/1007:55 -

2 stops34h 40m

Wed 14/1019:05 -

2 stops21h 00m

Deal found 8/9£500

Tue 27/1006:00 -

1 stop18h 20m

Tue 3/1120:05 -

1 stop15h 45m

Deal found 12/9£502

Thu 5/1107:30 -

1 stop12h 40m

Tue 10/1115:55 -

1 stop11h 10m

Deal found 10/9£505

Thu 5/1107:30 -

1 stop12h 40m

Mon 9/1120:05 -

1 stop13h 05m

Deal found 12/9£506

Tue 6/1022:45 -

1 stop21h 15m

Tue 13/1015:45 -

1 stop19h 40m

Deal found 8/9£509

Sat 14/1112:00 -

1 stop12h 20m

Tue 1/1215:55 -

1 stop9h 40m

Deal found 10/9£510

Tue 20/1012:05 -

1 stop13h 10m

Tue 27/1016:55 -

1 stop11h 20m

Deal found 12/9£511

Sat 10/1013:40 -

1 stop11h 35m

Sat 17/1015:45 -

1 stop10h 00m

Deal found 12/9£512

Tue 3/1115:55 -

2 stops29h 35m

Mon 9/1118:30 -

1 stop10h 15m

Deal found 9/9£512

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 13 September 2026.

Tue 20/1012:05 -

1 stop13h 10m

Tue 27/1016:55 -

1 stop11h 20m

Deal found 12/9£511

Fri 6/1121:35 -

2 stops47h 55m

Sun 15/1120:10 -

1 stop13h 35m

Deal found 12/9£530

Mon 2/1109:00 -

1 stop13h 15m

Mon 16/1118:50 -

1 stop12h 10m

Deal found 12/9£535

Thu 8/1013:25 -

1 stop11h 50m

Tue 13/1018:05 -

Nonstop8h 00m

Deal found 8/9£545

Fri 20/1115:55 -

1 stop31h 25m

Fri 27/1118:30 -

1 stop13h 25m

Deal found 12/9£555

Mon 9/1117:10 -

1 stop29h 05m

Mon 23/1116:10 -

2 stops15h 30m

Deal found 12/9£560

Thu 19/1108:40 -

1 stop11h 45m

Thu 25/215:00 -

1 stop10h 50m

Deal found 9/9£584

Sat 31/1006:20 -

2 stops16h 40m

Sat 7/1111:33 -

2 stops13h 47m

Deal found 10/9£590

Thu 12/1110:25 -

2 stops36h 20m

Fri 27/1119:15 -

2 stops18h 25m

Deal found 8/9£591

Wed 14/1006:30 -

1 stop12h 55m

Sun 18/1019:01 -

1 stop10h 54m

Deal found 12/9£642

Mon 2/1110:55 -

1 stop38h 25m

Mon 16/1120:15 -

1 stop31h 40m

Deal found 12/9£669

Sat 24/1010:25 -

2 stops16h 26m

Sat 31/1016:00 -

2 stops18h 45m

Deal found 9/9£855

Wed 30/908:50 -

1 stop11h 10m

Sat 10/1018:35 -

Nonstop8h 00m

Deal found 11/9£546

Sat 7/1106:35 -

1 stop13h 35m

Sun 15/1117:45 -

Nonstop8h 10m

Deal found 12/9£551

Fri 20/1108:20 -

2 stops15h 00m

Mon 23/1115:55 -

2 stops15h 50m

Deal found 10/9£563

Sun 27/920:05 -

1 stop22h 30m

Fri 9/1019:05 -

2 stops15h 30m

Deal found 8/9£576

Tue 22/908:40 -

2 stops15h 39m

Wed 21/1012:49 -

1 stop12h 26m

Deal found 10/9£585

Sun 4/1010:45 -

1 stop13h 48m

Sun 11/1009:29 -

1 stop15h 41m

Deal found 8/9£598

Wed 2/1206:50 -

1 stop13h 20m

Tue 8/1220:05 -

1 stop10h 35m

Deal found 12/9£560

Sun 27/908:00 -

Nonstop9h 10m

Wed 7/1016:25 -

Nonstop8h 20m

Deal found 8/9£577

Mon 2/1109:10 -

2 stops31h 50m

Fri 6/1112:45 -

2 stops26h 20m

Deal found 10/9£577

Tue 17/1106:30 -

2 stops16h 09m

Tue 1/1211:28 -

1 stop14h 22m

Deal found 9/9£585

Tue 27/1010:25 -

2 stops36h 20m

Sat 31/1020:15 -

2 stops18h 30m

Deal found 10/9£645

Sun 1/1110:10 -

2 stops18h 23m

Fri 20/1112:30 -

2 stops13h 25m

Deal found 10/9£599

Fri 9/1009:25 -

1 stop12h 30m

Fri 16/1014:20 -

1 stop12h 05m

Deal found 10/9£606

Mon 2/1106:30 -

1 stop18h 50m

Mon 16/1111:45 -

1 stop28h 50m

Deal found 12/9£675

Sun 1/1113:15 -

1 stop11h 05m

Sun 8/1120:05 -

1 stop10h 35m

Deal found 8/9£561

Sat 26/908:00 -

Nonstop9h 10m

Wed 7/1016:25 -

Nonstop8h 20m

Deal found 8/9£577

Fri 6/1106:00 -

1 stop17h 20m

Sun 15/1118:30 -

1 stop14h 35m

Deal found 8/9£588

Thu 29/1006:20 -

2 stops15h 12m

Wed 11/1114:44 -

1 stop11h 01m

Deal found 11/9£589

Find flight deals from United Kingdom to Illinois

Round-trip from	£462
One-way from	£288
Popular in	August
Cheapest in	February
Average price	£602
Good round-trip deal	£604 or less
Good one-way deal	£526 or less

Icelandair
5/11-9/11
2 total stops
21h 50m total
United Kingdom to Illinois

Search Deals

25/1-31/12
2 total stops
34h 50m total
United Kingdom to Illinois

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£64 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 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

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Thu 26/11

13:35-18:20

3 stops34h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£338

LondonSt. Louis

LGW London Gatwick - STL Lambert-St Louis

LGWSTL

London Gatwick

Tue 27/10

10:10-17:40

2 stops36h 30m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£351

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Sun 24/1

20:05-16:15

1 stop26h 10m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£365

LondonSt. Louis

LHR London Heathrow - STL Lambert-St Louis

LHRSTL

London Heathrow

Wed 9/12

06:30-13:45

1 stop13h 15m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£367

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Tue 20/10

14:45-12:40

2 stops51h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£367

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Tue 20/10

18:55-12:40

2 stops47h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£369

LondonChicago

LTN London Luton - ORD Chicago O'Hare Intl

LTNORD

London Luton

Fri 2/10

08:30-18:15

2 stops15h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£376

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Thu 12/11

19:25-14:00

1 stop24h 35m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£377

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Thu 10/12

09:00-16:15

1 stop13h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£387

LondonSt. Louis

LHR London Heathrow - STL Lambert-St Louis

LHRSTL

London Heathrow

Sun 6/12

06:30-13:45

1 stop13h 15m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£391

Flights are sorted by cheapest return flights first.

Deals found on 9/9

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.

MAN-ORD

LGW-ORD

LHR-ORD

LTN-ORD

LHR-MDW

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

MAN-ORD

LGW-ORD

LHR-ORD

LTN-ORD

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 £492). Flying from United Kingdom to Illinois in August is currently the most expensive (average of £794). 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 Saturday (49 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (45 on average).

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

Booking 55 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

1,986 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

1,986 reviews

Scandinavian Airlines

7.4

Good

1,986 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

1,758 reviews

Scandinavian Airlines

7.4

Good

1,986 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

742 reviews

Scandinavian Airlines

7.4

Good

1,986 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

8,220 reviews

Scandinavian Airlines

7.4

Good

1,986 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

8,215 reviews

Scandinavian Airlines

7.4

Good

1,986 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 13h 10m. Aer Lingus provides one of the quickest options available for as low as £511. The distance between United Kingdom and Illinois is about 3812 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?
£208 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 £309 and £313, 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 £492). Flying from United Kingdom to Illinois in August is currently the most expensive (average of £794). 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

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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 Illinois

Top 10 airlines flying from United Kingdom to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£29	Average£61	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Icelandair	Cheapest£202	Average£566	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£327	Average£703	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Turkish Airlines	Cheapest£345	Average£688	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Scandinavian Airlines	Cheapest£377	Average£495	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
JetBlue	Cheapest£381	Average£643	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
TAP AIR PORTUGAL	Cheapest£384	Average£574	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£391	Average£660	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
British Airways	Cheapest£403	Average£645	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£411	Average£769	FlexibilityNo cancel fee	On-time76%	Search Lufthansa 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 £288

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/1. 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 13 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 13 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 13 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 13 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 13 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 13 September 2026.

Last-minute flights from United Kingdom to IllinoisDiscover last-minute flight deals from United Kingdom to Illinois. Data last updated 13 September 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Illinois. Data last updated 13 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 13 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 13 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 13 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 Saturday (49 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (45 on average).

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

Booking 55 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 13 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

Fly with Cheapflights

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 13 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 13 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 13 September 2026.

Last-minute flights from United Kingdom to Illinois
Discover last-minute flight deals from United Kingdom to Illinois. Data last updated 13 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 13 September 2026.