How long is the flight from United Kingdom to Illinois?

A quick flight from United Kingdom to Illinois can take about 11h 25m. Icelandair provides one of the quickest options available for as low as £516. 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?

£213 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 £320 and £326, 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.

£285+ 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 9 October 2026.

Mon 23/1106:05 -

2 stops17h 15m

Mon 30/1118:30 -

2 stops14h 15m

Deal found 6/10£409

Mon 23/1106:05 -

2 stops17h 15m

Sun 29/1118:30 -

2 stops12h 25m

Deal found 6/10£411

Fri 20/1106:05 -

2 stops17h 15m

Sun 29/1118:30 -

2 stops19h 15m

Deal found 6/10£413

Fri 20/1106:05 -

2 stops17h 15m

Mon 30/1118:30 -

2 stops22h 00m

Deal found 4/10£416

Fri 20/1107:35 -

2 stops15h 45m

Sun 29/1118:30 -

2 stops21h 45m

Deal found 6/10£422

Mon 23/1107:55 -

2 stops15h 25m

Mon 30/1118:30 -

2 stops22h 00m

Deal found 5/10£434

Mon 21/1206:05 -

2 stops17h 15m

Mon 4/118:30 -

2 stops17h 25m

Deal found 4/10£437

Wed 18/1111:20 -

2 stops35h 25m

Sun 22/1119:10 -

2 stops20h 50m

Deal found 5/10£477

Mon 23/1107:50 -

2 stops15h 30m

Mon 30/1118:30 -

2 stops12h 15m

Deal found 5/10£481

Fri 20/1107:35 -

2 stops15h 45m

Mon 30/1118:30 -

2 stops12h 15m

Deal found 5/10£484

Mon 23/1119:10 -

1 stop27h 35m

Mon 30/1119:10 -

1 stop17h 20m

Deal found 8/10£486

Mon 23/1108:30 -

2 stops14h 50m

Mon 30/1118:30 -

2 stops21h 20m

Deal found 8/10£488

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 9 October 2026.

Mon 23/1106:05 -

2 stops17h 15m

Mon 30/1118:30 -

2 stops14h 15m

Deal found 6/10£409

Thu 5/1111:55 -

1 stop11h 25m

Mon 9/1118:30 -

1 stop10h 15m

Deal found 4/10£516

Tue 30/316:25 -

1 stop29h 35m

Sat 10/418:15 -

2 stops20h 10m

Deal found 4/10£549

Tue 20/1006:40 -

1 stop15h 30m

Tue 17/1119:10 -

2 stops20h 10m

Deal found 5/10£555

Thu 19/1106:00 -

1 stop14h 25m

Thu 26/1116:25 -

1 stop11h 15m

Deal found 5/10£592

Sat 21/1109:25 -

1 stop11h 00m

Sat 28/1114:44 -

2 stops13h 01m

Deal found 7/10£607

Thu 19/1106:00 -

1 stop14h 25m

Thu 26/1106:23 -

2 stops21h 17m

Deal found 5/10£611

Tue 17/1109:00 -

1 stop13h 15m

Tue 1/1215:45 -

Nonstop8h 10m

Deal found 6/10£621

Tue 3/1119:25 -

1 stop24h 35m

Tue 10/1115:45 -

Nonstop8h 10m

Deal found 5/10£623

Fri 22/105:55 -

2 stops18h 15m

Sat 30/110:40 -

2 stops17h 35m

Deal found 7/10£628

Thu 12/1112:35 -

1 stop11h 45m

Wed 18/1120:05 -

1 stop10h 00m

Deal found 7/10£653

Thu 19/1108:30 -

1 stop13h 45m

Thu 26/1121:35 -

2 stops14h 15m

Deal found 8/10£677

Thu 21/109:35 -

1 stop15h 10m

Thu 4/216:00 -

2 stops17h 45m

Deal found 4/10£707

Mon 23/1108:30 -

2 stops14h 50m

Mon 30/1118:30 -

2 stops21h 20m

Deal found 8/10£488

Mon 9/1119:50 -

2 stops26h 55m

Mon 23/1119:10 -

2 stops20h 25m

Deal found 8/10£556

Sat 21/1106:00 -

1 stop14h 25m

Sat 28/1116:25 -

1 stop18h 20m

Deal found 7/10£593

Thu 19/1108:30 -

2 stops14h 50m

Thu 26/1118:30 -

2 stops20h 00m

Deal found 5/10£541

Fri 20/1111:35 -

1 stop11h 45m

Wed 2/1218:30 -

1 stop9h 25m

Deal found 5/10£611

Fri 6/1119:50 -

2 stops26h 55m

Fri 13/1119:10 -

2 stops31h 45m

Deal found 8/10£557

Fri 6/1106:00 -

2 stops21h 06m

Sun 15/1108:29 -

2 stops19h 11m

Deal found 8/10£613

Thu 19/1105:55 -

1 stop14h 30m

Thu 26/1111:18 -

2 stops16h 57m

Deal found 6/10£618

Mon 9/1113:30 -

1 stop12h 35m

Mon 23/1115:36 -

1 stop10h 49m

Deal found 8/10£626

Thu 5/1105:40 -

1 stop14h 45m

Thu 12/1116:25 -

1 stop14h 05m

Deal found 7/10£655

Thu 12/1108:00 -

2 stops15h 20m

Wed 25/1118:30 -

3 stops33h 35m

Deal found 8/10£546

Tue 10/1118:05 -

2 stops28h 40m

Tue 1/1219:10 -

2 stops15h 15m

Deal found 8/10£557

Sat 21/1110:15 -

2 stops19h 39m

Sat 28/1117:05 -

2 stops17h 40m

Deal found 7/10£616

Fri 22/117:35 -

1 stop26h 50m

Sat 30/116:25 -

1 stop11h 50m

Deal found 7/10£626

Thu 24/1216:00 -

1 stop29h 30m

Sun 3/120:10 -

2 stops42h 25m

Deal found 7/10£692

Tue 17/1111:55 -

1 stop11h 25m

Mon 23/1118:30 -

1 stop9h 25m

Deal found 8/10£636

Thu 19/1112:35 -

1 stop11h 45m

Thu 26/1115:55 -

1 stop14h 10m

Deal found 5/10£705

Find flight deals from United Kingdom to Illinois

Round-trip from	£409
One-way from	£285
Popular in	August
Cheapest in	February
Average price	£630
Good round-trip deal	£581 or less
Good one-way deal	£495 or less

23/11-30/11
4 total stops
31h 30m total
United Kingdom to Illinois

Search Deals

18/11-31/12
3 total stops
45h 58m total
United Kingdom to Illinois

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£65 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 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

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Mon 9/11

22:35-15:30

3 stops46h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£321

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Sat 13/3

10:35-17:20

3 stops36h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£326

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Tue 26/1

19:55-14:55

3 stops49h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£333

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Sat 12/12

06:00-15:30

2 stops39h 30m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£342

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Wed 25/11

14:10-17:20

2 stops33h 10m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£371

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Mon 7/12

20:35-17:20

1 stop26h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£374

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Sun 15/11

21:25-17:20

3 stops25h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£378

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Wed 9/12

08:40-16:15

1 stop13h 35m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£394

LondonChicago

LHR London Heathrow - ORD Chicago O'Hare Intl

LHRORD

London Heathrow

Fri 4/12

20:35-17:20

1 stop26h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£405

BirminghamChicago

BHX Birmingham - ORD Chicago O'Hare Intl

BHXORD

Birmingham

Mon 23/11

06:05-17:20

2 stops17h 15m

Chicago O'Hare Intl

Mon 30/11

18:30-14:45

2 stops14h 15m

£409

Flights are sorted by cheapest return flights first.

Deals found on 8/10

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.

BHX-ORD

EDI-ORD

GLA-ORD

BRS-ORD

MAN-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

BHX-ORD

EDI-ORD

GLA-ORD

BRS-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 £511). Flying from United Kingdom to Illinois in August is currently the most expensive (average of £815). 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 Wednesday (50 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (41 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

2,013 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

2,013 reviews

Scandinavian Airlines

7.4

Good

2,013 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

1,817 reviews

Scandinavian Airlines

7.4

Good

2,013 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

6.9

Okay

758 reviews

Scandinavian Airlines

7.4

Good

2,013 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

8,270 reviews

Scandinavian Airlines

7.4

Good

2,013 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

8,256 reviews

Scandinavian Airlines

7.4

Good

2,013 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 11h 25m. Icelandair provides one of the quickest options available for as low as £516. 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?
£213 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 £320 and £326, 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 £511). Flying from United Kingdom to Illinois in August is currently the most expensive (average of £815). 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

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Complete your trip

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Flights by cabin class

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Popular flights

Return Flight Options

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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£206	Average£582	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£215	Average£737	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Turkish Airlines	Cheapest£354	Average£704	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Scandinavian Airlines	Cheapest£391	Average£545	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£393	Average£595	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£412	Average£800	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
British Airways	Cheapest£428	Average£668	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£435	Average£733	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
American Airlines	Cheapest£440	Average£779	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 £285

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/11. 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 9 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 9 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 9 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 9 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 9 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 9 October 2026.

Last-minute flights from United Kingdom to IllinoisDiscover last-minute flight deals from United Kingdom to Illinois. Data last updated 9 October 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Illinois. Data last updated 9 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 9 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 9 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 9 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.

Weekly flight availability from United Kingdom to Illinois

The most flights from GB0 to USIL are scheduled on a Wednesday (50 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (41 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 9 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 9 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 9 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 9 October 2026.

Last-minute flights from United Kingdom to Illinois
Discover last-minute flight deals from United Kingdom to Illinois. Data last updated 9 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 9 October 2026.