How long is the flight from London Stansted Airport to Illinois?

Departing from London Stansted Airport to Illinois will take you 21h 55m. The distance from London Stansted Airport to Illinois is about 3952 mi.

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).

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

When flying from London Stansted Airport 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.

Can I find deals for flights from Stansted to Illinois that include hotel bookings?

Yes. In addition to deals on Stansted to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Stansted to Illinois?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Illinois.

Can I find deals for business class flights from Stansted to Illinois?

Yes. Cheapflights offers flight deals from Stansted 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.

£248+ Cheap Flights from London Stansted Airport to Illinois

Cheap flight deals from Stansted to Illinois

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Stansted to Illinois
Explore the most affordable flight options available from Stansted to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Fri 4/906:35 -

1 stop18h 40m

Tue 8/921:00 -

1 stop18h 20m

Deal found 19/8£465

Thu 17/906:30 -

1 stop13h 30m

Thu 24/915:45 -

1 stop10h 05m

Deal found 18/8£465

Mon 12/1006:30 -

1 stop13h 30m

Mon 19/1021:00 -

1 stop18h 20m

Deal found 21/8£466

Tue 8/906:30 -

1 stop18h 45m

Thu 17/921:00 -

1 stop20h 20m

Deal found 20/8£467

Fri 2/1006:35 -

1 stop13h 25m

Fri 9/1021:00 -

1 stop14h 35m

Deal found 17/8£468

Thu 3/906:30 -

1 stop13h 30m

Sat 5/922:25 -

2 stops27h 15m

Deal found 21/8£472

Mon 21/913:20 -

3 stops32h 50m

Mon 5/1019:15 -

2 stops22h 05m

Deal found 19/8£473

Mon 12/1022:45 -

1 stop21h 15m

Tue 20/1021:00 -

1 stop14h 35m

Deal found 21/8£473

Wed 4/1108:15 -

2 stops15h 05m

Sun 15/1118:30 -

2 stops16h 25m

Deal found 18/8£474

Mon 14/922:45 -

1 stop21h 15m

Thu 17/921:00 -

1 stop20h 20m

Deal found 19/8£476

Sun 20/916:40 -

2 stops26h 45m

Sun 27/912:10 -

3 stops25h 25m

Deal found 21/8£703

Mon 5/1010:05 -

3 stops33h 20m

Mon 12/1015:30 -

2 stops26h 50m

Deal found 21/8£751

Best flights from Stansted to Illinois
Discover carefully curated flight deals from Stansted to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Wed 30/917:45 -

1 stop21h 55m

Thu 15/1020:10 -

1 stop38h 40m

Deal found 17/8£660

Sun 4/1022:00 -

2 stops21h 25m

Sun 11/1008:55 -

2 stops20h 15m

Deal found 20/8£857

Tue 17/1117:20 -

1 stop22h 40m

Tue 1/1211:45 -

1 stop16h 10m

Deal found 18/8£662

Tue 24/1117:20 -

1 stop22h 40m

Mon 30/1120:15 -

1 stop31h 40m

Deal found 22/8£667

Tue 6/1017:35 -

1 stop22h 05m

Tue 13/1011:25 -

1 stop16h 30m

Deal found 22/8£668

Sat 10/1010:50 -

1 stop28h 50m

Thu 15/1020:10 -

1 stop38h 40m

Deal found 21/8£674

Thu 1/1019:40 -

2 stops24h 20m

Fri 9/1014:40 -

2 stops25h 55m

Deal found 18/8£933

Wed 7/1010:50 -

1 stop28h 50m

Wed 14/1011:25 -

1 stop23h 15m

Deal found 17/8£687

Sat 10/1017:45 -

1 stop21h 55m

Wed 21/1011:25 -

1 stop23h 15m

Deal found 18/8£695

Sat 31/1010:55 -

2 stops40h 40m

Sat 7/1114:55 -

2 stops19h 25m

Deal found 20/8£1,066

Sun 11/1017:35 -

1 stop22h 05m

Sun 18/1011:25 -

1 stop16h 30m

Deal found 21/8£709

Sat 17/1010:50 -

2 stops40h 31m

Sat 24/1016:55 -

2 stops18h 25m

Deal found 19/8£1,068

Tue 20/1017:35 -

1 stop30h 40m

Sat 24/1011:25 -

1 stop23h 55m

Deal found 22/8£722

Sun 11/1017:35 -

1 stop22h 05m

Mon 26/1012:45 -

1 stop22h 35m

Deal found 18/8£739

Thu 8/1017:35 -

1 stop22h 05m

Sat 24/1011:25 -

1 stop17h 30m

Deal found 18/8£739

Sat 10/1017:45 -

1 stop21h 55m

Fri 23/1011:25 -

1 stop16h 30m

Deal found 18/8£750

Wed 28/1010:55 -

2 stops33h 48m

Tue 3/1107:30 -

2 stops20h 25m

Deal found 21/8£1,052

Tue 6/1017:35 -

2 stops33h 46m

Tue 13/1008:00 -

2 stops19h 55m

Deal found 21/8£1,055

Mon 5/1010:50 -

2 stops40h 31m

Mon 12/1008:00 -

2 stops43h 55m

Deal found 21/8£1,056

Sat 21/1110:55 -

2 stops41h 29m

Sat 28/1107:30 -

2 stops20h 25m

Deal found 17/8£1,086

Fri 2/1010:50 -

2 stops40h 31m

Sat 17/1008:00 -

2 stops26h 40m

Deal found 19/8£1,123

Tue 15/917:35 -

2 stops33h 56m

Tue 22/908:00 -

2 stops19h 55m

Deal found 18/8£1,169

Find flight deals from Stansted to Illinois

Round-trip from	£465
One-way from	£248
Popular in	August
Cheapest in	February
Average price	£717

4/9-8/9
2 total stops
37h 00m total
London to Illinois

Search Deals

13/11
3 total stops
42h 29m total
London to Illinois

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£46 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 August 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Stansted Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Wed 30/9

17:45-09:40

1 stop21h 55m

Chicago O'Hare Intl

Thu 15/10

20:10-16:50

1 stop38h 40m

£660

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Tue 17/11

17:20-10:00

1 stop22h 40m

Chicago O'Hare Intl

Tue 1/12

11:45-09:55

1 stop16h 10m

£662

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Tue 24/11

17:20-10:00

1 stop22h 40m

Chicago O'Hare Intl

Mon 30/11

20:15-09:55

1 stop31h 40m

£667

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Tue 6/10

17:35-09:40

1 stop22h 05m

Chicago O'Hare Intl

Tue 13/10

11:25-09:55

1 stop16h 30m

£668

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Sat 10/10

10:50-09:40

1 stop28h 50m

Chicago O'Hare Intl

Thu 15/10

20:10-16:50

1 stop38h 40m

£674

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Wed 7/10

10:50-09:40

1 stop28h 50m

Chicago O'Hare Intl

Wed 14/10

11:25-16:40

1 stop23h 15m

£687

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Sat 10/10

17:45-09:40

1 stop21h 55m

Chicago O'Hare Intl

Wed 21/10

11:25-16:40

1 stop23h 15m

£695

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Sun 11/10

17:35-09:40

1 stop22h 05m

Chicago O'Hare Intl

Sun 18/10

11:25-09:55

1 stop16h 30m

£709

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Tue 20/10

17:35-18:15

1 stop30h 40m

Chicago O'Hare Intl

Sat 24/10

11:25-17:20

1 stop23h 55m

£722

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Sun 11/10

17:35-09:40

1 stop22h 05m

Chicago O'Hare Intl

Mon 26/10

12:45-16:20

1 stop22h 35m

£739

Flights are sorted by cheapest return flights first.

Deals found on 22/8

Showing 1-10 of 41 resultsSorted by cheapest first

...

Best time to book a flight from Stansted to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Stansted with our price prediction graph.

STN-STL

STN-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 London Stansted Airport to Illinois

STN-USIL

STN-STL

STN-ORD

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from London Stansted Airport to Illinois?
Departing from London Stansted Airport to Illinois will take you 21h 55m. The distance from London Stansted Airport to Illinois is about 3952 mi.
Can I find deals for flights from Stansted to Illinois that include hotel bookings?
Yes. In addition to deals on Stansted to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Stansted to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Illinois.
Can I find deals for business class flights from Stansted to Illinois?
Yes. Cheapflights offers flight deals from Stansted 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Stansted to Illinois

Heathrow to John F Kennedy Intl flights

Heathrow to Newark flights

Gatwick to John F Kennedy Intl flights

Heathrow to LaGuardia flights

Stansted to John F Kennedy Intl flights

London City to John F Kennedy Intl flights

Gatwick to Newark flights

Luton to John F Kennedy Intl flights

Gatwick to LaGuardia flights

Heathrow to Miami flights

Heathrow to Orlando flights

Stansted to Newark flights

London City to Newark flights

Luton to Newark flights

Heathrow to Los Angeles flights

Heathrow to Boston flights

Heathrow to Las Vegas flights

Heathrow to San Francisco flights

Heathrow to O'Hare Intl flights

Heathrow to Dallas/Fort Worth flights

Gatwick to Orlando flights

Heathrow to Dulles Intl flights

Gatwick to Miami flights

Heathrow to Baltimore flights

Heathrow to Hobby flights

Heathrow to Seattle flights

Gatwick to Los Angeles flights

Stansted to Orlando flights

Stansted to Miami flights

London City to Orlando flights

London City to Miami flights

London City to Los Angeles flights

Stansted to Los Angeles flights

Gatwick to Boston flights

Heathrow to George Bush Intcntl flights

Luton to Orlando flights

London City to Boston flights

Gatwick to Las Vegas flights

Heathrow to Tampa flights

Luton to Miami flights

Heathrow to Atlanta flights

Heathrow to Ontario flights

Stansted to Boston flights

London City to Las Vegas flights

Gatwick to San Francisco flights

Heathrow to Reagan-National flights

Heathrow to Nashville flights

Luton to Los Angeles flights

Heathrow to Denver flights

Stansted to Las Vegas flights

Fly with Cheapflights

How does Cheapflights help users find flights from Stansted 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 Stansted today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Stansted to Illinois?

Millions of users choose and trust Cheapflights to book the best flight deals from Stansted to Illinois for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Stansted to Illinois with no change fees?

Certainly. Search results for flights to Illinois from Stansted shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Stansted to Illinois become cheaper?

Not ready to book yet? You can track prices for flights from Stansted to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London Stansted Airport to Illinois from £248

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Stansted to Illinois

Cheapest flights from Stansted to IllinoisExplore the most affordable flight options available from Stansted to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Explore the most affordable flight options available from Stansted to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Best flights from Stansted to IllinoisDiscover carefully curated flight deals from Stansted to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Discover carefully curated flight deals from Stansted to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Last-minute flights from Stansted to IllinoisDiscover last-minute flight deals from Stansted to Illinois. Data last updated 22 August 2026 and is based on user searches.

Discover last-minute flight deals from Stansted to Illinois. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Stansted to IllinoisSearch for one-way flight options from Stansted to Illinois. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Search for one-way flight options from Stansted to Illinois. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Find flight deals from Stansted to Illinois

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Stansted Airport to Illinois that are best for you.

Best time to book a flight from Stansted to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Stansted with our price prediction graph.

Cheapflights Insights

Related info for your journey

How long is the flight from London Stansted Airport to Illinois?

Can I find deals for flights from Stansted to Illinois that include hotel bookings?

How can I find direct flights from Stansted to Illinois?

Can I find deals for business class flights from Stansted 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.

Alternative routes for Stansted 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 Stansted to Illinois by cabin class

Find flights from Stansted to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Stansted and Illinois flights

Browse other Stansted and Illinois flight options. Last updated on 22 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Stansted to Illinois flights

Consider these flights travelling from Stansted to Illinois.

Fly with Cheapflights

How does Cheapflights help users find flights from Stansted to Illinois?

Why should you use Cheapflights to find cheap flight tickets from Stansted to Illinois?

Can Cheapflights find flights from Stansted to Illinois with no change fees?

Can Cheapflights notify me if prices for flights from Stansted to Illinois become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Stansted to Illinois
Explore the most affordable flight options available from Stansted to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2026.

Best flights from Stansted to Illinois
Discover carefully curated flight deals from Stansted to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Last-minute flights from Stansted to Illinois
Discover last-minute flight deals from Stansted to Illinois. Data last updated 22 August 2026 and is based on user searches.

One-way flights from Stansted to Illinois
Search for one-way flight options from Stansted to Illinois. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.