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

Departing from London Stansted Airport to Illinois will take you 29h 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.

£350+ 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 20 September 2026.

Thu 15/1006:30 -

1 stop13h 30m

Thu 22/1015:45 -

1 stop10h 05m

Deal found 17/9£541

Sat 21/1119:15 -

2 stops25h 40m

Sat 28/1115:55 -

1 stop11h 40m

Deal found 19/9£543

Wed 25/1108:40 -

2 stops14h 40m

Sat 5/1218:30 -

2 stops17h 55m

Deal found 16/9£545

Thu 22/1010:40 -

2 stops35h 30m

Sun 25/1020:15 -

2 stops21h 50m

Deal found 17/9£546

Wed 18/1107:15 -

2 stops16h 05m

Wed 2/1218:30 -

3 stops18h 30m

Deal found 19/9£546

Mon 2/1122:35 -

2 stops22h 20m

Mon 16/1120:05 -

1 stop18h 10m

Deal found 15/9£548

Sun 22/1106:30 -

2 stops16h 50m

Sun 29/1118:30 -

3 stops17h 30m

Deal found 18/9£549

Mon 16/1106:00 -

2 stops17h 20m

Sun 22/1118:30 -

3 stops17h 30m

Deal found 18/9£550

Thu 5/1107:55 -

2 stops15h 25m

Sun 8/1115:55 -

1 stop9h 55m

Deal found 16/9£552

Wed 28/1014:30 -

2 stops32h 15m

Mon 2/1119:15 -

2 stops20h 40m

Deal found 16/9£552

Wed 4/1109:15 -

2 stops37h 30m

Sun 29/1115:55 -

1 stop9h 55m

Deal found 17/9£553

Thu 15/1022:05 -

2 stops28h 15m

Tue 20/1015:30 -

2 stops26h 40m

Deal found 15/9£676

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 20 September 2026.

Sat 7/1110:45 -

1 stop13h 35m

Sat 14/1115:55 -

1 stop11h 40m

Deal found 14/9£558

Wed 18/1110:55 -

1 stop29h 05m

Tue 24/1111:45 -

1 stop16h 10m

Deal found 14/9£676

Sat 21/1110:55 -

1 stop37h 25m

Wed 2/1220:15 -

1 stop38h 05m

Deal found 15/9£686

Thu 5/1117:20 -

1 stop32h 00m

Wed 11/1111:45 -

1 stop16h 10m

Deal found 14/9£702

Wed 14/1017:45 -

1 stop21h 55m

Sun 25/1012:45 -

1 stop16h 10m

Deal found 15/9£706

Wed 30/919:10 -

3 stops29h 31m

Mon 5/1014:40 -

2 stops16h 10m

Deal found 16/9£932

Tue 3/1117:20 -

1 stop23h 40m

Tue 10/1120:15 -

1 stop38h 05m

Deal found 19/9£719

Mon 2/1110:55 -

1 stop38h 25m

Mon 16/1120:15 -

1 stop31h 40m

Deal found 19/9£719

Sat 7/1110:55 -

1 stop37h 25m

Mon 30/1111:45 -

1 stop22h 35m

Deal found 19/9£729

Tue 17/1117:20 -

1 stop31h 00m

Tue 8/1211:45 -

1 stop16h 10m

Deal found 14/9£732

Wed 4/1110:55 -

1 stop30h 05m

Sun 29/1111:45 -

1 stop16h 10m

Deal found 17/9£732

Wed 2/1210:55 -

1 stop29h 05m

Tue 8/1211:45 -

1 stop16h 10m

Deal found 19/9£749

Tue 3/1117:20 -

2 stops34h 20m

Tue 10/1107:30 -

2 stops44h 25m

Deal found 19/9£974

Wed 28/1010:55 -

2 stops33h 48m

Tue 3/1107:30 -

2 stops20h 25m

Deal found 19/9£974

Thu 12/1117:20 -

2 stops34h 20m

Tue 17/1107:30 -

2 stops20h 25m

Deal found 17/9£981

Sat 7/1117:20 -

2 stops34h 20m

Mon 30/1107:30 -

2 stops26h 50m

Deal found 19/9£1,015

Sun 1/1117:20 -

2 stops34h 20m

Sun 8/1107:30 -

2 stops20h 25m

Deal found 17/9£1,020

Mon 2/1110:55 -

2 stops40h 45m

Mon 9/1107:30 -

2 stops44h 25m

Deal found 18/9£1,020

Wed 7/1017:45 -

2 stops33h 36m

Fri 16/1008:00 -

2 stops19h 55m

Deal found 17/9£1,087

Tue 17/1117:20 -

2 stops34h 20m

Sun 22/1107:30 -

2 stops50h 50m

Deal found 15/9£1,104

Find flight deals from Stansted to Illinois

Round-trip from	£541
One-way from	£350
Popular in	August
Cheapest in	February
Average price	£623

15/10-22/10
2 total stops
23h 35m total
London to Illinois

Search Deals

13/11-31/12
3 total stops
27h 05m total
London 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 (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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

Mon 30/11

22:35-14:10

1 stop21h 35m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£375

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Wed 23/9

08:20-12:40

2 stops34h 20m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£375

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Mon 12/10

15:00-19:15

3 stops58h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£377

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Thu 22/10

09:20-18:15

3 stops38h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£381

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Mon 5/10

07:25-00:23

3 stops46h 58m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£383

Fastest return journey

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Thu 17/12

06:45-18:20

1 stop17h 35m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£384

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Thu 5/11

06:45-18:20

1 stop17h 35m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£385

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Thu 1/10

11:05-00:45

3 stops43h 40m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£389

LondonSt. Louis

STN London Stansted - STL Lambert-St Louis

STNSTL

London Stansted

Sat 31/10

20:10-00:16

3 stops57h 06m

Lambert-St Louis

Wed 31/12

00:00-07:00

Nonstop0h 00m

£394

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Fri 23/10

16:20-18:15

2 stops31h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£397

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 39 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 29h 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

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Complete your trip

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Alternative routes for Stansted to Illinois

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London City to San Francisco flights

Heathrow to Fort Lauderdale flights

Luton to Orlando flights

Heathrow to Tampa flights

Heathrow to Sky Harbor Intl flights

Stansted to Dallas/Fort Worth flights

London City 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.

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Cheap flights from London Stansted Airport to Illinois from £350

This is the cheapest retur 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 20 September 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 20 September 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 20 September 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 20 September 2026.

Last-minute flights from Stansted to IllinoisDiscover last-minute flight deals from Stansted to Illinois. Data last updated 20 September 2026 and is based on user searches.

Discover last-minute flight deals from Stansted to Illinois. Data last updated 20 September 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 20 September 2026.

Search for one-way flight options from Stansted to Illinois. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

Find flight deals from Stansted to Illinois

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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 20 September 2026.

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Stansted to Illinois flights

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

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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 20 September 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 20 September 2026.

Last-minute flights from Stansted to Illinois
Discover last-minute flight deals from Stansted to Illinois. Data last updated 20 September 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 20 September 2026.