How long is the flight from United Kingdom to Illinois?

A quick flight from United Kingdom to Illinois can take about 11h 50m. TAP AIR PORTUGAL provides one of the quickest options available for as low as £607. 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 £317 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.

£276+ 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 8 November 2026.

Thu 3/1219:00 -

2 stops28h 20m

Thu 10/1218:30 -

2 stops23h 29m

Deal found 5/11£499

Sat 5/1211:30 -

2 stops26h 15m

Sun 6/1211:05 -

1 stop15h 25m

Deal found 4/11£507

Thu 19/1108:00 -

2 stops15h 20m

Wed 2/1218:30 -

3 stops18h 05m

Deal found 4/11£508

Thu 19/1111:25 -

1 stop34h 05m

Wed 2/1219:00 -

1 stop33h 40m

Deal found 8/11£517

Tue 24/1110:00 -

2 stops35h 30m

Sun 29/1120:10 -

2 stops18h 55m

Deal found 6/11£522

Wed 2/1211:55 -

1 stop11h 25m

Sun 6/1218:30 -

1 stop10h 15m

Deal found 6/11£523

Sat 5/1206:00 -

2 stops17h 20m

Mon 7/1218:30 -

2 stops22h 00m

Deal found 4/11£525

Thu 19/1107:15 -

2 stops16h 05m

Thu 26/1118:30 -

2 stops20h 45m

Deal found 6/11£526

Wed 2/1215:35 -

2 stops31h 10m

Thu 14/119:10 -

1 stop20h 30m

Deal found 7/11£526

Tue 1/1208:50 -

2 stops14h 30m

Mon 7/1218:30 -

2 stops12h 30m

Deal found 4/11£526

Mon 23/1106:40 -

1 stop16h 05m

Mon 30/1119:10 -

2 stops15h 15m

Deal found 5/11£526

Wed 2/1206:30 -

2 stops16h 50m

Wed 9/1218:30 -

2 stops21h 50m

Deal found 5/11£528

Best flights from United Kingdom to Illinois
Discover carefully curated flight deals from United Kingdom to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 November 2026.

Sat 12/1216:35 -

1 stop28h 55m

Sun 10/120:10 -

2 stops18h 25m

Deal found 6/11£529

Wed 9/1219:10 -

1 stop27h 35m

Sun 10/119:10 -

1 stop17h 15m

Deal found 8/11£576

Wed 23/1208:05 -

1 stop12h 05m

Wed 30/1215:55 -

1 stop11h 00m

Deal found 8/11£594

Fri 12/213:25 -

1 stop11h 50m

Tue 23/221:00 -

1 stop13h 30m

Deal found 5/11£607

Sat 5/1209:25 -

2 stops18h 11m

Wed 9/1214:41 -

2 stops13h 04m

Deal found 4/11£621

Fri 4/1210:40 -

1 stop11h 35m

Fri 11/1210:38 -

2 stops17h 07m

Deal found 4/11£621

Tue 16/310:15 -

2 stops15h 22m

Sun 21/317:25 -

1 stop11h 15m

Deal found 5/11£622

Mon 7/1213:30 -

1 stop12h 35m

Wed 23/1213:00 -

1 stop15h 50m

Deal found 5/11£650

Thu 3/1211:55 -

1 stop11h 25m

Mon 7/1218:30 -

1 stop9h 25m

Deal found 6/11£654

Sat 21/1106:00 -

1 stop14h 00m

Wed 23/1215:45 -

Nonstop8h 10m

Deal found 6/11£707

Tue 1/1213:45 -

1 stop31h 10m

Mon 7/1221:50 -

1 stop10h 15m

Deal found 3/11£742

Tue 24/1108:40 -

2 stops15h 35m

Sat 28/1121:35 -

2 stops14h 15m

Deal found 8/11£755

Wed 2/1210:00 -

2 stops37h 23m

Wed 9/1213:35 -

2 stops20h 50m

Deal found 4/11£960

Thu 19/1111:25 -

1 stop34h 05m

Wed 2/1219:00 -

1 stop33h 40m

Deal found 7/11£538

Tue 1/1219:15 -

1 stop27h 30m

Mon 7/1219:10 -

2 stops32h 35m

Deal found 3/11£576

Sat 6/206:00 -

1 stop14h 25m

Sat 20/213:29 -

2 stops14h 16m

Deal found 4/11£624

Sat 6/206:00 -

1 stop14h 25m

Sat 20/216:25 -

1 stop18h 25m

Deal found 4/11£627

Fri 5/217:35 -

1 stop26h 50m

Sat 20/216:25 -

1 stop23h 50m

Deal found 5/11£637

Wed 24/217:00 -

1 stop29h 45m

Tue 9/310:30 -

2 stops23h 30m

Deal found 8/11£603

Sun 13/1206:00 -

1 stop14h 25m

Mon 28/1216:25 -

1 stop11h 15m

Deal found 6/11£627

Wed 20/105:40 -

1 stop14h 45m

Wed 3/216:25 -

1 stop17h 40m

Deal found 4/11£700

Sat 19/1220:15 -

1 stop23h 55m

Sat 26/1220:05 -

1 stop21h 45m

Deal found 4/11£645

Fri 4/1213:25 -

1 stop10h 55m

Fri 11/1220:05 -

1 stop14h 25m

Deal found 6/11£713

Thu 11/310:40 -

1 stop34h 50m

Thu 18/314:30 -

2 stops20h 20m

Deal found 8/11£666

Thu 14/110:20 -

1 stop12h 25m

Sat 30/110:40 -

2 stops25h 50m

Deal found 4/11£606

Fri 19/317:15 -

1 stop27h 10m

Wed 31/316:20 -

1 stop14h 35m

Deal found 4/11£694

Sun 10/118:40 -

1 stop24h 00m

Tue 19/118:50 -

2 stops17h 50m

Deal found 7/11£765

Wed 20/112:20 -

1 stop12h 25m

Sun 24/120:29 -

2 stops36h 31m

Deal found 3/11£768

Fri 5/205:55 -

2 stops21h 57m

Sat 20/209:49 -

2 stops18h 26m

Deal found 5/11£641

Thu 4/219:10 -

1 stop27h 35m

Mon 8/206:30 -

2 stops30h 00m

Deal found 7/11£612

Find flight deals from United Kingdom to Illinois

Round-trip from	£418
One-way from	£276
Popular in	August
Cheapest in	February
Average price	£592
Good round-trip deal	£683 or less
Good one-way deal	£500 or less

16/1-22/1
2 total stops
29h 40m total
United Kingdom to Illinois

Search Deals

10/4-31/12
2 total stops
35h 15m total
United Kingdom to Illinois

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£57 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 November 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

BirminghamChicago

BHX Birmingham - ORD Chicago O'Hare Intl

BHXORD

Birmingham

Mon 8/3

07:55-17:20

2 stops15h 25m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£315

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Sat 12/12

10:45-15:30

3 stops34h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£324

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Mon 16/11

18:35-17:20

2 stops28h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£332

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Thu 10/12

15:30-15:30

2 stops30h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£333

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Thu 6/5

16:00-18:15

2 stops32h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£344

ManchesterChicago

MAN Manchester - ORD Chicago O'Hare Intl

MANORD

Manchester

Tue 17/11

17:55-15:30

3 stops27h 35m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£345

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Mon 14/12

06:10-01:08

3 stops48h 58m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£347

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Tue 4/5

20:45-21:25

3 stops30h 40m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£355

EdinburghChicago

EDI Edinburgh Turnhouse - ORD Chicago O'Hare Intl

EDIORD

Edinburgh Turnhouse

Fri 9/4

06:00-18:15

2 stops18h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£356

BirminghamChicago

BHX Birmingham - ORD Chicago O'Hare Intl

BHXORD

Birmingham

Thu 7/1

09:10-19:15

1 stop16h 05m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£442

Flights are sorted by cheapest return flights first.

Deals found on 8/11

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

MAN-ORD

LGW-ORD

LHR-ORD

BRS-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

MAN-ORD

LGW-ORD

LHR-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 £507). Flying from United Kingdom to Illinois in August is currently the most expensive (average of £806). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

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

Weekly flight availability from United Kingdom to Illinois

The most flights from GB0 to USIL are scheduled on a Friday (44 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (32 on average).

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

Booking 63 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

7.5

Good

2,025 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

7.5

Good

2,025 reviews

Scandinavian Airlines

7.5

Good

2,025 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

1,883 reviews

Scandinavian Airlines

7.5

Good

2,025 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

767 reviews

Scandinavian Airlines

7.5

Good

2,025 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

7.5

Good

2,025 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

8,286 reviews

Scandinavian Airlines

7.5

Good

2,025 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 50m. TAP AIR PORTUGAL provides one of the quickest options available for as low as £607. 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 £317 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 £507). Flying from United Kingdom to Illinois in August is currently the most expensive (average of £806). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Airlines

Alternative routes

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Popular flights

Return Flight Options

Top destinations

Airlines flying to Illinois

Icelandair flights to Illinois

Aer Lingus flights to Illinois

Finnair flights to Illinois

Lufthansa flights to Illinois

British Airways flights to 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£572	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Virgin Atlantic	Cheapest£213	Average£731	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Turkish Airlines	Cheapest£350	Average£697	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
Scandinavian Airlines	Cheapest£386	Average£552	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£389	Average£589	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
British Airways	Cheapest£425	Average£666	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Finnair	Cheapest£430	Average£731	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
American Airlines	Cheapest£435	Average£769	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
JetBlue	Cheapest£446	Average£651	FlexibilityNo cancel fee	On-time62%	Search JetBlue 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 £276

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. 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 8 November 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 8 November 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 8 November 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 8 November 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 8 November 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 8 November 2026.

Last-minute flights from United Kingdom to IllinoisDiscover last-minute flight deals from United Kingdom to Illinois. Data last updated 8 November 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Illinois. Data last updated 8 November 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 8 November 2026.

Search for one-way flight options from United Kingdom to Illinois. Find affordable one-way fares based on user searches. Data last updated 8 November 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 8 November 2026.

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

Weekly flight availability from United Kingdom to Illinois

The most flights from GB0 to USIL are scheduled on a Friday (44 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (32 on average).

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

Booking 63 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 8 November 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 8 November 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 8 November 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 8 November 2026.

Last-minute flights from United Kingdom to Illinois
Discover last-minute flight deals from United Kingdom to Illinois. Data last updated 8 November 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 8 November 2026.