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 £515. 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?

£212 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 £325, 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.

£277+ 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 14 October 2026.

Tue 24/1113:15 -

2 stops33h 30m

Tue 1/1219:10 -

2 stops20h 40m

Deal found 10/10£473

Tue 17/1108:10 -

2 stops15h 10m

Tue 24/1118:30 -

2 stops12h 25m

Deal found 13/10£481

Tue 17/1108:20 -

1 stop11h 50m

Tue 24/1115:55 -

1 stop10h 45m

Deal found 13/10£486

Wed 4/1107:05 -

2 stops16h 15m

Mon 9/1118:30 -

2 stops19h 55m

Deal found 13/10£487

Fri 4/1206:00 -

1 stop14h 10m

Sun 13/1215:55 -

1 stop11h 45m

Deal found 13/10£487

Fri 4/1206:55 -

1 stop13h 15m

Sun 13/1215:55 -

1 stop9h 50m

Deal found 13/10£489

Thu 10/1211:55 -

1 stop11h 25m

Mon 14/1218:30 -

1 stop10h 15m

Deal found 11/10£492

Wed 25/1106:30 -

1 stop13h 40m

Mon 30/1115:55 -

1 stop10h 00m

Deal found 13/10£493

Wed 11/1118:15 -

2 stops29h 05m

Sun 15/1118:30 -

3 stops35h 45m

Deal found 12/10£496

Tue 24/1106:00 -

2 stops17h 20m

Tue 1/1218:30 -

2 stops17h 20m

Deal found 10/10£499

Sun 13/1219:15 -

1 stop27h 30m

Wed 30/1219:10 -

2 stops35h 05m

Deal found 12/10£502

Thu 5/1108:10 -

1 stop16h 10m

Wed 18/1115:55 -

1 stop9h 40m

Deal found 13/10£502

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 14 October 2026.

Wed 4/1107:05 -

2 stops16h 15m

Mon 9/1118:30 -

2 stops19h 55m

Deal found 13/10£487

Thu 5/1111:55 -

1 stop11h 25m

Mon 9/1118:30 -

1 stop10h 15m

Deal found 11/10£515

Thu 19/1112:55 -

2 stops33h 50m

Wed 2/1219:10 -

1 stop17h 25m

Deal found 12/10£532

Fri 13/1108:20 -

1 stop16h 00m

Mon 23/1115:55 -

1 stop12h 55m

Deal found 14/10£538

Sat 21/1106:15 -

1 stop14h 10m

Sat 28/1118:25 -

1 stop13h 10m

Deal found 10/10£605

Fri 13/1120:45 -

1 stop23h 40m

Mon 23/1117:05 -

2 stops13h 45m

Deal found 13/10£608

Tue 10/1109:00 -

1 stop13h 15m

Mon 23/1110:32 -

1 stop14h 08m

Deal found 10/10£619

Fri 5/217:35 -

1 stop26h 50m

Sat 13/209:50 -

2 stops18h 25m

Deal found 9/10£622

Sun 22/1109:05 -

1 stop34h 55m

Sun 29/1115:45 -

Nonstop8h 10m

Deal found 10/10£653

Tue 17/1109:50 -

1 stop15h 40m

Tue 24/1118:30 -

1 stop15h 20m

Deal found 13/10£678

Thu 22/1021:20 -

2 stops24h 40m

Sun 25/1021:10 -

1 stop31h 40m

Deal found 13/10£719

Tue 20/1007:00 -

1 stop32h 40m

Thu 3/1220:15 -

1 stop30h 55m

Deal found 13/10£920

Wed 18/1110:10 -

1 stop12h 35m

Mon 23/1119:10 -

2 stops32h 35m

Deal found 10/10£535

Thu 5/1111:20 -

1 stop12h 00m

Mon 9/1118:30 -

1 stop9h 50m

Deal found 9/10£536

Fri 4/1209:15 -

2 stops38h 05m

Sun 13/1215:55 -

1 stop10h 30m

Deal found 13/10£570

Mon 23/1119:10 -

1 stop27h 35m

Fri 27/1119:10 -

1 stop17h 15m

Deal found 12/10£538

Wed 25/1112:15 -

1 stop12h 05m

Wed 2/1220:05 -

1 stop14h 00m

Deal found 11/10£605

Thu 19/1106:00 -

1 stop14h 25m

Wed 2/1210:15 -

2 stops17h 25m

Deal found 13/10£608

Wed 4/1105:55 -

1 stop14h 30m

Wed 11/1116:25 -

1 stop11h 50m

Deal found 11/10£616

Sat 9/118:00 -

1 stop21h 08m

Sun 10/121:50 -

Nonstop8h 10m

Deal found 12/10£621

Fri 22/117:35 -

1 stop26h 50m

Sat 30/109:50 -

2 stops18h 25m

Deal found 9/10£622

Fri 5/206:00 -

2 stops17h 20m

Tue 16/221:00 -

1 stop28h 15m

Deal found 11/10£585

Wed 18/1119:10 -

1 stop27h 35m

Fri 27/1119:10 -

1 stop17h 15m

Deal found 12/10£538

Mon 2/1106:00 -

1 stop14h 25m

Mon 9/1110:30 -

2 stops17h 10m

Deal found 12/10£609

Wed 25/1108:30 -

1 stop15h 50m

Wed 2/1220:05 -

1 stop13h 10m

Deal found 11/10£611

Thu 26/1105:55 -

2 stops19h 10m

Thu 3/1206:00 -

2 stops22h 15m

Deal found 12/10£622

Fri 15/117:35 -

1 stop26h 50m

Sat 23/116:25 -

1 stop23h 50m

Deal found 13/10£623

Mon 23/1119:10 -

1 stop27h 35m

Thu 26/1119:10 -

1 stop17h 15m

Deal found 12/10£538

Thu 29/1006:00 -

1 stop14h 25m

Thu 26/1114:44 -

2 stops13h 01m

Deal found 12/10£592

Thu 17/1210:10 -

2 stops35h 20m

Fri 1/120:10 -

2 stops30h 10m

Deal found 13/10£739

Find flight deals from United Kingdom to Illinois

Round-trip from	£473
One-way from	£277
Popular in	August
Cheapest in	February
Average price	£650
Good round-trip deal	£579 or less
Good one-way deal	£494 or less

24/11-1/12
4 total stops
54h 10m total
United Kingdom to Illinois

Search Deals

23/1-31/12
2 total stops
32h 00m total
United Kingdom to Illinois

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£61 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 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

Thu 19/11

17:30-15:30

2 stops28h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£307

BirminghamChicago

BHX Birmingham - ORD Chicago O'Hare Intl

BHXORD

Birmingham

Tue 10/11

06:25-15:30

2 stops39h 05m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£310

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Wed 27/1

08:25-17:20

3 stops38h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£310

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Sat 12/12

06:15-15:30

2 stops39h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£312

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Sat 12/12

15:50-15:30

3 stops29h 40m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£320

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Mon 2/11

17:40-15:30

2 stops51h 50m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£321

Newcastle upon TyneChicago

NCL Newcastle upon Tyne - ORD Chicago O'Hare Intl

NCLORD

Newcastle upon Tyne

Wed 9/12

13:35-15:30

3 stops55h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£323

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Mon 2/11

20:25-15:30

3 stops49h 05m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£324

LiverpoolChicago

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

LPLORD

Liverpool J. Lennon

Tue 3/11

06:30-15:30

2 stops39h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£329

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

Flights are sorted by cheapest return flights first.

Deals found on 14/10

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.

EDI-ORD

LGW-ORD

LHR-ORD

NCL-ORD

GLA-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

EDI-ORD

LGW-ORD

LHR-ORD

NCL-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 £509). Flying from United Kingdom to Illinois in August is currently the most expensive (average of £814). 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 Monday (50 on average). You will have fewer flight options on Friday, 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

2,015 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

2,015 reviews

Scandinavian Airlines

7.4

Good

2,015 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

1,827 reviews

Scandinavian Airlines

7.4

Good

2,015 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

2,015 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

8,278 reviews

Scandinavian Airlines

7.4

Good

2,015 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

8,263 reviews

Scandinavian Airlines

7.4

Good

2,015 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 £515. 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?
£212 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 £325, 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 £509). Flying from United Kingdom to Illinois in August is currently the most expensive (average of £814). 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

Direct flights to United States

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£580	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£215	Average£736	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Turkish Airlines	Cheapest£353	Average£703	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Scandinavian Airlines	Cheapest£389	Average£550	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£393	Average£594	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£411	Average£799	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
British Airways	Cheapest£429	Average£666	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£434	Average£732	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
American Airlines	Cheapest£439	Average£778	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 £277

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/1. 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 14 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 14 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 14 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 14 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 14 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 14 October 2026.

Last-minute flights from United Kingdom to IllinoisDiscover last-minute flight deals from United Kingdom to Illinois. Data last updated 14 October 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Illinois. Data last updated 14 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 14 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 14 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 14 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 Monday (50 on average). You will have fewer flight options on Friday, 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 14 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 14 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 14 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 14 October 2026.

Last-minute flights from United Kingdom to Illinois
Discover last-minute flight deals from United Kingdom to Illinois. Data last updated 14 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 14 October 2026.