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

Departing from London Stansted Airport to Illinois will take you 22h 05m. 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.

£356+ 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 19 August 2026.

Fri 4/906:35 -

1 stop18h 40m

Tue 8/921:00 -

1 stop18h 20m

Deal found 19/8£468

Thu 17/906:30 -

1 stop13h 30m

Thu 24/915:45 -

1 stop10h 05m

Deal found 17/8£469

Wed 9/922:45 -

1 stop21h 15m

Tue 15/921:00 -

1 stop19h 20m

Deal found 15/8£470

Thu 10/906:30 -

1 stop18h 45m

Sun 13/921:00 -

1 stop20h 25m

Deal found 15/8£471

Fri 2/1006:35 -

1 stop13h 25m

Fri 9/1021:00 -

1 stop14h 35m

Deal found 17/8£472

Thu 1/1014:45 -

2 stops31h 15m

Thu 8/1018:00 -

2 stops23h 55m

Deal found 17/8£476

Mon 21/913:20 -

3 stops32h 50m

Mon 5/1019:15 -

2 stops22h 05m

Deal found 18/8£482

Mon 28/906:30 -

1 stop13h 30m

Mon 5/1021:00 -

1 stop16h 25m

Deal found 14/8£483

Wed 16/920:00 -

3 stops30h 20m

Wed 23/914:40 -

2 stops25h 00m

Deal found 17/8£615

Mon 28/905:55 -

2 stops18h 46m

Mon 5/1014:40 -

2 stops18h 50m

Deal found 14/8£717

Sun 6/922:10 -

2 stops28h 12m

Tue 22/912:10 -

2 stops17h 50m

Deal found 18/8£807

Mon 14/919:55 -

3 stops30h 25m

Mon 21/915:30 -

2 stops23h 50m

Deal found 17/8£844

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 19 August 2026.

Thu 24/917:35 -

1 stop22h 05m

Mon 5/1020:10 -

1 stop31h 45m

Deal found 14/8£665

Thu 1/1019:40 -

2 stops24h 20m

Fri 9/1014:40 -

2 stops25h 55m

Deal found 18/8£940

Thu 8/1017:35 -

1 stop22h 05m

Tue 13/1011:25 -

1 stop23h 25m

Deal found 15/8£667

Tue 17/1117:20 -

1 stop22h 40m

Tue 1/1211:45 -

1 stop16h 10m

Deal found 18/8£667

Tue 24/1117:20 -

1 stop22h 40m

Mon 30/1120:15 -

1 stop31h 40m

Deal found 19/8£669

Tue 1/1217:20 -

1 stop31h 00m

Sat 5/1211:45 -

1 stop22h 35m

Deal found 14/8£675

Wed 30/917:45 -

1 stop21h 55m

Sat 10/1011:25 -

1 stop23h 15m

Deal found 16/8£678

Sun 11/1019:00 -

3 stops29h 41m

Wed 14/1008:55 -

2 stops30h 45m

Deal found 14/8£1,056

Thu 1/1017:35 -

1 stop22h 05m

Fri 16/1011:25 -

1 stop16h 30m

Deal found 17/8£700

Wed 2/906:15 -

2 stops20h 07m

Wed 23/912:10 -

2 stops23h 25m

Deal found 16/8£1,071

Sat 21/1110:55 -

1 stop37h 25m

Wed 25/1120:15 -

1 stop31h 40m

Deal found 15/8£700

Thu 1/1017:35 -

1 stop22h 05m

Sun 11/1011:25 -

1 stop16h 30m

Deal found 17/8£700

Mon 14/922:00 -

2 stops22h 00m

Sat 19/914:40 -

3 stops28h 00m

Deal found 17/8£1,155

Sat 10/1017:45 -

1 stop21h 55m

Wed 21/1011:25 -

1 stop23h 15m

Deal found 18/8£700

Thu 8/1017:35 -

1 stop22h 05m

Sat 24/1011:25 -

1 stop17h 30m

Deal found 18/8£745

Sun 11/1017:35 -

1 stop22h 05m

Mon 26/1012:45 -

1 stop22h 35m

Deal found 18/8£745

Sun 18/1010:50 -

2 stops40h 31m

Wed 28/1007:30 -

2 stops21h 25m

Deal found 17/8£1,057

Wed 28/1010:55 -

2 stops40h 29m

Tue 3/1107:30 -

2 stops20h 25m

Deal found 16/8£1,129

Fri 2/1010:50 -

2 stops40h 31m

Sat 17/1008:00 -

2 stops26h 40m

Deal found 19/8£1,132

Sun 18/1017:35 -

2 stops33h 46m

Sat 31/1007:30 -

2 stops45h 25m

Deal found 17/8£1,132

Wed 30/910:50 -

2 stops40h 31m

Wed 7/1008:00 -

2 stops26h 40m

Deal found 16/8£1,133

Tue 29/906:55 -

2 stops44h 26m

Tue 6/1008:00 -

2 stops19h 55m

Deal found 14/8£1,172

Find flight deals from Stansted to Illinois

Round-trip from	£468
One-way from	£356
Popular in	July
Cheapest in	February
Average price	£705

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

Search Deals

31/8
3 total stops
40h 00m total
London to Illinois

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£83 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 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

Thu 24/9

17:35-09:40

1 stop22h 05m

Chicago O'Hare Intl

Mon 5/10

20:10-09:55

1 stop31h 45m

£665

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Thu 8/10

17:35-09:40

1 stop22h 05m

Chicago O'Hare Intl

Tue 13/10

11:25-16:50

1 stop23h 25m

£667

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

£667

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

£669

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Tue 1/12

17:20-18:20

1 stop31h 00m

Chicago O'Hare Intl

Sat 5/12

11:45-16:20

1 stop22h 35m

£675

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

Sat 10/10

11:25-16:40

1 stop23h 15m

£678

Fastest return journey

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Thu 1/10

17:35-09:40

1 stop22h 05m

Chicago O'Hare Intl

Fri 16/10

11:25-09:55

1 stop16h 30m

£700

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Sat 21/11

10:55-18:20

1 stop37h 25m

Chicago O'Hare Intl

Wed 25/11

20:15-09:55

1 stop31h 40m

£700

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Thu 1/10

17:35-09:40

1 stop22h 05m

Chicago O'Hare Intl

Sun 11/10

11:25-09:55

1 stop16h 30m

£700

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

£700

Flights are sorted by cheapest return flights first.

Deals found on 15/8

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-ORD

STN-STL

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-ORD

STN-STL

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 22h 05m. 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

Heathrow to Orlando flights

Heathrow to Miami flights

Luton to John F Kennedy Intl flights

Heathrow to Los Angeles flights

Gatwick to LaGuardia flights

Stansted to Newark flights

London City to Newark flights

Heathrow to Dallas/Fort Worth flights

Luton to Newark flights

Heathrow to Boston flights

Heathrow to Las Vegas flights

Gatwick to Orlando flights

Heathrow to San Francisco flights

Heathrow to Dulles Intl flights

Stansted to Orlando flights

Gatwick to Miami flights

Heathrow to O'Hare Intl flights

London City to Miami flights

Heathrow to Baltimore flights

Gatwick to Los Angeles flights

Heathrow to Hobby flights

Stansted to Miami flights

London City to Orlando flights

London City to Los Angeles flights

Stansted to Los Angeles flights

Heathrow to Tampa flights

Heathrow to Seattle flights

Heathrow to Atlanta flights

Luton to Miami flights

Gatwick to Boston flights

Heathrow to George Bush Intcntl flights

Heathrow to Ontario flights

Luton to Orlando flights

London City to Boston flights

Gatwick to Las Vegas flights

Gatwick to Dallas/Fort Worth flights

Gatwick to Dulles Intl flights

Heathrow to Reagan-National flights

Luton to Los Angeles flights

Heathrow to Austin flights

Heathrow to Sky Harbor Intl flights

Gatwick to San Francisco flights

Stansted to Dulles Intl 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 £356

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 31/8. 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 19 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 19 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 19 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 19 August 2026.

Last-minute flights from Stansted to IllinoisDiscover last-minute flight deals from Stansted to Illinois. Data last updated 19 August 2026 and is based on user searches.

Discover last-minute flight deals from Stansted to Illinois. Data last updated 19 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 19 August 2026.

Search for one-way flight options from Stansted to Illinois. Find affordable one-way fares based on user searches. Data last updated 19 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 19 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 19 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 19 August 2026.

Last-minute flights from Stansted to Illinois
Discover last-minute flight deals from Stansted to Illinois. Data last updated 19 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 19 August 2026.