How long is the flight from United Kingdom to Illinois?

A quick flight from United Kingdom to Illinois can take about 15h 10m. United Airlines provides one of the quickest options available for as low as £551. The distance between United Kingdom and Illinois is about 3860 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?

£210 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Aer Lingus and United Airlines, with prices starting from £316 and £322, 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.

£283+ 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 23 October 2026.

Mon 23/1106:05 -

2 stops17h 15m

Mon 30/1118:30 -

2 stops17h 25m

Deal found 18/10£482

Tue 1/1206:00 -

2 stops17h 20m

Tue 8/1218:30 -

2 stops19h 05m

Deal found 19/10£484

Wed 2/1206:30 -

2 stops16h 50m

Wed 9/1218:30 -

2 stops21h 50m

Deal found 21/10£485

Wed 2/1208:20 -

2 stops15h 00m

Wed 9/1218:30 -

2 stops21h 20m

Deal found 18/10£491

Tue 17/1108:20 -

2 stops15h 00m

Tue 24/1118:30 -

2 stops12h 25m

Deal found 20/10£497

Fri 20/1106:10 -

2 stops38h 30m

Sat 21/1118:15 -

2 stops32h 30m

Deal found 22/10£502

Mon 16/1107:55 -

2 stops39h 25m

Fri 27/1120:10 -

1 stop18h 45m

Deal found 20/10£502

Thu 5/1108:10 -

2 stops15h 10m

Sun 8/1118:30 -

2 stops21h 30m

Deal found 20/10£503

Wed 18/1118:15 -

2 stops29h 05m

Wed 25/1119:00 -

3 stops22h 30m

Deal found 21/10£506

Fri 4/1206:55 -

2 stops16h 25m

Sun 13/1218:30 -

2 stops22h 30m

Deal found 19/10£510

Thu 19/1120:55 -

3 stops26h 25m

Thu 26/1118:30 -

2 stops18h 05m

Deal found 19/10£511

Mon 23/1106:40 -

1 stop16h 05m

Mon 7/1219:10 -

1 stop16h 30m

Deal found 20/10£511

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 23 October 2026.

Fri 20/1106:10 -

2 stops38h 30m

Sat 21/1118:15 -

2 stops32h 30m

Deal found 22/10£502

Thu 18/219:30 -

1 stop27h 15m

Fri 5/319:10 -

2 stops31h 45m

Deal found 22/10£536

Fri 6/1109:10 -

1 stop15h 10m

Thu 12/1115:55 -

1 stop12h 55m

Deal found 22/10£551

Wed 2/1215:05 -

2 stops31h 40m

Wed 9/1219:10 -

2 stops20h 15m

Deal found 18/10£563

Fri 20/1121:35 -

2 stops47h 55m

Fri 11/1220:10 -

2 stops30h 10m

Deal found 22/10£569

Thu 5/1111:55 -

1 stop11h 25m

Mon 9/1118:30 -

1 stop10h 15m

Deal found 20/10£574

Wed 2/1206:00 -

1 stop14h 25m

Wed 9/1216:25 -

1 stop24h 25m

Deal found 18/10£601

Wed 2/1206:00 -

1 stop14h 25m

Wed 9/1210:38 -

2 stops17h 07m

Deal found 20/10£611

Thu 26/1106:00 -

1 stop14h 25m

Sun 29/1117:05 -

2 stops14h 30m

Deal found 21/10£613

Mon 7/1219:30 -

2 stops22h 40m

Wed 13/118:50 -

1 stop12h 10m

Deal found 18/10£659

Mon 23/1106:30 -

1 stop17h 50m

Mon 7/1211:45 -

1 stop28h 50m

Deal found 22/10£717

Sat 21/1111:55 -

1 stop13h 30m

Tue 24/1116:50 -

2 stops17h 10m

Deal found 18/10£755

Wed 24/219:50 -

2 stops26h 55m

Tue 2/319:10 -

2 stops20h 10m

Deal found 21/10£538

Wed 2/1208:20 -

1 stop11h 50m

Tue 8/1220:05 -

1 stop10h 50m

Deal found 19/10£569

Sat 26/1206:00 -

1 stop14h 10m

Tue 5/121:00 -

1 stop12h 15m

Deal found 18/10£572

Tue 3/1116:35 -

1 stop28h 55m

Sun 8/1120:10 -

2 stops42h 25m

Deal found 20/10£587

Thu 19/1110:10 -

1 stop12h 35m

Thu 26/1119:10 -

2 stops34h 35m

Deal found 22/10£552

Sat 21/1106:15 -

1 stop14h 10m

Sat 28/1118:25 -

1 stop13h 10m

Deal found 22/10£614

Tue 1/1209:00 -

1 stop13h 15m

Tue 8/1221:50 -

Nonstop8h 10m

Deal found 18/10£617

Thu 5/1111:55 -

1 stop11h 25m

Mon 9/1118:30 -

1 stop9h 25m

Deal found 19/10£621

Wed 2/1210:15 -

2 stops18h 42m

Sun 6/1207:05 -

2 stops20h 35m

Deal found 19/10£630

Sun 6/1219:10 -

2 stops32h 32m

Sun 13/1208:15 -

2 stops28h 15m

Deal found 22/10£583

Thu 19/1116:00 -

1 stop29h 30m

Sun 22/1120:10 -

2 stops18h 25m

Deal found 17/10£605

Fri 20/1113:25 -

1 stop10h 55m

Fri 11/1220:05 -

1 stop16h 25m

Deal found 22/10£606

Thu 3/1205:40 -

1 stop14h 45m

Thu 10/1216:25 -

1 stop10h 15m

Deal found 19/10£668

Mon 16/1109:30 -

1 stop16h 35m

Mon 30/1115:45 -

Nonstop8h 10m

Deal found 19/10£620

Wed 2/1206:00 -

2 stops18h 26m

Wed 9/1208:39 -

2 stops19h 01m

Deal found 18/10£629

Fri 13/1119:10 -

1 stop27h 35m

Tue 24/1119:10 -

1 stop17h 20m

Deal found 21/10£573

Wed 2/1205:55 -

1 stop14h 30m

Wed 9/1211:39 -

2 stops16h 36m

Deal found 18/10£634

Mon 9/1111:55 -

1 stop11h 25m

Mon 16/1118:30 -

1 stop10h 15m

Deal found 18/10£635

Find flight deals from United Kingdom to Illinois

Round-trip from	£484
One-way from	£283
Popular in	August
Cheapest in	February
Average price	£648
Good round-trip deal	£583 or less
Good one-way deal	£488 or less

1/12-8/12
4 total stops
36h 25m total
United Kingdom to Illinois

Search Deals

5/11-31/12
2 total stops
38h 45m total
United Kingdom to Illinois

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£58 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 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

LeedsChicago

LBA Leeds/Bradford - ORD Chicago O'Hare Intl

LBAORD

Leeds/Bradford

Mon 2/11

19:30-15:30

2 stops50h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£289

LiverpoolChicago

LPL Liverpool J. Lennon - ORD Chicago O'Hare Intl

LPLORD

Liverpool J. Lennon

Fri 4/12

23:45-15:30

3 stops45h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£310

BirminghamChicago

BHX Birmingham - ORD Chicago O'Hare Intl

BHXORD

Birmingham

Wed 9/12

06:05-16:04

3 stops39h 59m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£312

Newcastle upon TyneChicago

NCL Newcastle upon Tyne - ORD Chicago O'Hare Intl

NCLORD

Newcastle upon Tyne

Sat 5/12

14:15-15:30

3 stops31h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£312

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Mon 8/2

12:30-17:20

2 stops34h 50m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£313

BirminghamChicago

BHX Birmingham - ORD Chicago O'Hare Intl

BHXORD

Birmingham

Thu 10/12

12:25-15:30

2 stops33h 05m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£314

LeedsChicago

LBA Leeds/Bradford - ORD Chicago O'Hare Intl

LBAORD

Leeds/Bradford

Wed 18/11

14:25-17:20

3 stops32h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£322

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Thu 4/3

11:20-17:20

1 stop12h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£336

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Mon 8/3

09:00-16:15

1 stop13h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£400

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Wed 13/1

06:35-18:25

1 stop17h 50m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£405

Flights are sorted by cheapest return flights first.

Deals found on 22/10

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

LHR-ORD

BHX-ORD

LPL-ORD

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

MAN-ORD

LHR-ORD

BHX-ORD

LPL-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 £505). Flying from United Kingdom to Illinois in August is currently the most expensive (average of £804). 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.

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

2,022 reviews

Check prices

Reviews

1 / 20

6.0

Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.

Scandinavian Airlines

7.4

Good

2,022 reviews

Scandinavian Airlines

7.4

Good

2,022 reviews

Check prices

Reviews

1 / 20

6.0

Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.

Aer Lingus

7.3

Good

1,853 reviews

Scandinavian Airlines

7.4

Good

2,022 reviews

Check prices

Reviews

1 / 20

6.0

Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.

Icelandair

7.0

Good

764 reviews

Scandinavian Airlines

7.4

Good

2,022 reviews

Check prices

Reviews

1 / 20

6.0

Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.

Lufthansa

6.8

Okay

8,292 reviews

Scandinavian Airlines

7.4

Good

2,022 reviews

Check prices

Reviews

1 / 20

6.0

Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.

British Airways

6.7

Okay

8,267 reviews

Scandinavian Airlines

7.4

Good

2,022 reviews

Check prices

Reviews

1 / 20

6.0

Good

siavash,Oct 2026

CPH - JFK

I was seated in premium economy and I didn’t feel the crew being attentive or a warm sense of hospitality, the plane was clean. The seats were comfortable.

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 15h 10m. United Airlines provides one of the quickest options available for as low as £551. The distance between United Kingdom and Illinois is about 3860 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?
£210 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Aer Lingus and United Airlines, with prices starting from £316 and £322, 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 £505). Flying from United Kingdom to Illinois in August is currently the most expensive (average of £804). 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£30	Average£62	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Icelandair	Cheapest£204	Average£570	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£212	Average£732	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Turkish Airlines	Cheapest£349	Average£695	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Scandinavian Airlines	Cheapest£386	Average£549	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£388	Average£596	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£407	Average£790	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
British Airways	Cheapest£424	Average£659	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£429	Average£726	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
American Airlines	Cheapest£434	Average£769	FlexibilityNo cancel fee	On-time71%	Search American 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 £283

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. 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 23 October 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 23 October 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 23 October 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 23 October 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 23 October 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 23 October 2026.

Last-minute flights from United Kingdom to IllinoisDiscover last-minute flight deals from United Kingdom to Illinois. Data last updated 23 October 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Illinois. Data last updated 23 October 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 23 October 2026.

Search for one-way flight options from United Kingdom to Illinois. Find affordable one-way fares based on user searches. Data last updated 23 October 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 23 October 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.

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 23 October 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 23 October 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 23 October 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 23 October 2026.

Last-minute flights from United Kingdom to Illinois
Discover last-minute flight deals from United Kingdom to Illinois. Data last updated 23 October 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 23 October 2026.