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

Departing from Illinois to London Stansted Airport will take you 38h 40m. There are 3952 mi between Illinois and London Stansted Airport.

In terms of precipitation, rainfall in London Stansted Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Stansted Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Stansted Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Illinois to London Stansted Airport?

The most popular route from Illinois to London Stansted Airport is Chicago O'Hare Intl - London Stansted. You may also consider Lambert-St Louis - London Stansted or Chicago Midway - London Stansted.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to London Stansted Airport as you normally would.

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

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

How can I find direct flights from Illinois to Stansted?

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

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

Yes. Cheapflights offers flight deals from Illinois to Stansted by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£223+ Cheap Flights from Illinois to London Stansted Airport

Cheap flight deals from Illinois to Stansted

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Illinois to Stansted
Explore the most affordable flight options available from Illinois to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 September 2026.

Thu 8/1019:25 -

2 stops21h 30m

Tue 13/1007:05 -

2 stops17h 10m

Deal found 31/8£522

Sun 4/1022:25 -

2 stops17h 30m

Tue 13/1007:10 -

2 stops17h 05m

Deal found 1/9£523

Sun 18/1019:15 -

2 stops18h 40m

Sun 25/1013:40 -

2 stops33h 05m

Deal found 3/9£523

Mon 21/919:25 -

2 stops17h 25m

Tue 2/307:55 -

2 stops15h 25m

Deal found 3/9£524

Tue 1/1218:30 -

2 stops17h 35m

Wed 9/1208:15 -

2 stops15h 05m

Deal found 31/8£525

Mon 5/1019:25 -

2 stops20h 00m

Wed 14/1009:55 -

2 stops17h 30m

Deal found 1/9£526

Tue 20/1015:45 -

1 stop10h 05m

Sun 1/1120:55 -

2 stops26h 25m

Deal found 4/9£527

Sat 24/1021:00 -

1 stop13h 15m

Wed 28/1016:40 -

2 stops31h 05m

Deal found 3/9£528

Tue 10/1118:30 -

2 stops18h 20m

Tue 1/1207:15 -

2 stops16h 05m

Deal found 31/8£530

Tue 20/1016:55 -

1 stop12h 45m

Wed 28/1016:40 -

2 stops31h 05m

Deal found 3/9£532

Tue 1/1218:30 -

2 stops17h 35m

Tue 15/1208:15 -

2 stops15h 05m

Deal found 2/9£532

Wed 7/1019:25 -

2 stops19h 10m

Wed 14/1009:55 -

2 stops14h 20m

Deal found 1/9£534

Best flights from Illinois to Stansted
Discover carefully curated flight deals from Illinois to Stansted that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 September 2026.

Mon 28/920:10 -

1 stop38h 40m

Tue 6/1017:35 -

1 stop22h 05m

Deal found 31/8£614

Tue 27/1007:30 -

2 stops21h 25m

Sun 1/1117:20 -

2 stops28h 23m

Deal found 4/9£926

Thu 5/1112:45 -

1 stop15h 10m

Tue 10/1117:20 -

1 stop22h 40m

Deal found 4/9£640

Wed 25/1111:45 -

1 stop16h 10m

Fri 4/1217:20 -

1 stop22h 40m

Deal found 1/9£640

Tue 6/1011:25 -

1 stop16h 30m

Tue 24/1117:20 -

1 stop22h 40m

Deal found 4/9£640

Wed 4/1112:45 -

1 stop15h 10m

Tue 1/1217:20 -

1 stop22h 40m

Deal found 2/9£640

Sat 13/211:45 -

1 stop16h 10m

Tue 23/217:20 -

1 stop31h 00m

Deal found 2/9£647

Thu 8/1020:10 -

1 stop31h 45m

Mon 12/1010:50 -

1 stop28h 50m

Deal found 31/8£648

Sun 28/211:45 -

1 stop16h 10m

Sun 7/317:20 -

1 stop32h 00m

Deal found 1/9£662

Sun 21/211:45 -

1 stop16h 10m

Sun 28/210:55 -

1 stop37h 25m

Deal found 31/8£662

Mon 5/1020:10 -

1 stop38h 40m

Tue 13/1017:35 -

1 stop22h 05m

Deal found 1/9£668

Fri 6/1112:45 -

1 stop15h 10m

Fri 13/1117:20 -

1 stop22h 40m

Deal found 4/9£669

Sat 26/920:10 -

1 stop31h 45m

Fri 9/1017:35 -

1 stop22h 05m

Deal found 3/9£669

Sat 17/1008:00 -

2 stops26h 40m

Thu 22/1017:35 -

2 stops33h 46m

Deal found 4/9£870

Fri 23/1008:00 -

2 stops44h 55m

Thu 29/1017:20 -

2 stops27h 23m

Deal found 3/9£871

Wed 21/1008:00 -

2 stops26h 40m

Wed 28/1010:55 -

2 stops33h 48m

Deal found 31/8£871

Fri 16/1008:00 -

2 stops50h 40m

Wed 21/1017:45 -

2 stops33h 36m

Deal found 31/8£871

Sat 3/1008:00 -

2 stops43h 55m

Thu 8/1017:35 -

2 stops33h 46m

Deal found 5/9£911

Wed 7/1008:00 -

2 stops43h 55m

Mon 12/1010:50 -

2 stops40h 31m

Deal found 3/9£912

Sat 21/1107:30 -

2 stops20h 25m

Sun 22/1117:20 -

2 stops34h 15m

Deal found 1/9£926

Sat 3/1008:00 -

2 stops43h 55m

Sat 10/1010:50 -

2 stops40h 31m

Deal found 5/9£952

Find flight deals from Illinois to Stansted

Round-trip from	£522
One-way from	£223
Popular in	June
Cheapest in	February
Average price	£634

8/10-13/10
4 total stops
38h 40m total
Illinois to London

Search Deals

27/11-31/12
2 total stops
18h 10m total
Illinois to London

Search Deals

Highest demand for flights based on searches. 23% potential increase in price (£141 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£27 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 Illinois to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoLondon

MDW Chicago Midway - STN London Stansted

MDWSTN

Chicago Midway

Wed 14/10

11:45-22:00

3 stops28h 15m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£234

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Fri 6/11

18:30-20:45

3 stops20h 15m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£253

ChicagoLondon

MDW Chicago Midway - STN London Stansted

MDWSTN

Chicago Midway

Thu 8/10

11:45-23:20

2 stops29h 35m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£265

ChicagoLondon

MDW Chicago Midway - STN London Stansted

MDWSTN

Chicago Midway

Fri 2/10

11:45-19:40

2 stops25h 55m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£269

ChicagoLondon

MDW Chicago Midway - STN London Stansted

MDWSTN

Chicago Midway

Sun 11/10

15:20-12:50

2 stops39h 30m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£274

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Sun 27/9

22:25-23:20

2 stops18h 55m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£277

ChicagoLondon

MDW Chicago Midway - STN London Stansted

MDWSTN

Chicago Midway

Sat 10/10

11:45-23:20

2 stops29h 35m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£282

St. LouisLondon

STL Lambert-St Louis - STN London Stansted

STLSTN

Lambert-St Louis

Fri 30/10

16:26-16:40

3 stops43h 14m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£285

ChicagoLondon

MDW Chicago Midway - STN London Stansted

MDWSTN

Chicago Midway

Thu 1/10

15:20-22:25

2 stops25h 05m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£291

ChicagoLondon

MDW Chicago Midway - STN London Stansted

MDWSTN

Chicago Midway

Mon 5/10

11:45-10:30

2 stops16h 45m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£294

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 51 resultsSorted by cheapest first

...

Best time to book a flight from Illinois to Stansted

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

ORD-STN

MDW-STN

STL-STN

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 Illinois to London Stansted Airport

USIL-STN

ORD-STN

MDW-STN

STL-STN

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

Related info for your journey

How long is the flight from Illinois to London Stansted Airport?
Departing from Illinois to London Stansted Airport will take you 38h 40m. There are 3952 mi between Illinois and London Stansted Airport.
What are the most popular routes from Illinois to London Stansted Airport?
The most popular route from Illinois to London Stansted Airport is Chicago O'Hare Intl - London Stansted. You may also consider Lambert-St Louis - London Stansted or Chicago Midway - London Stansted.
Can I find deals for flights from Illinois to Stansted that include hotel bookings?
Yes. In addition to deals on Illinois to Stansted flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Illinois to Stansted?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Stansted.
Can I find deals for business class flights from Illinois to Stansted?
Yes. Cheapflights offers flight deals from Illinois to Stansted 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

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

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 Stansted from Illinois today with Cheapflights!

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

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

Certainly. Search results for flights to Stansted from Illinois 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 Illinois to Stansted become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Stansted from Illinois today and book when prices fit your budget.

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Cheap flights from Illinois to London Stansted Airport from £223

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Illinois to Stansted

Cheapest flights from Illinois to StanstedExplore the most affordable flight options available from Illinois to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 September 2026.

Explore the most affordable flight options available from Illinois to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 September 2026.

Best flights from Illinois to StanstedDiscover carefully curated flight deals from Illinois to Stansted that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 September 2026.

Discover carefully curated flight deals from Illinois to Stansted that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 September 2026.

Last-minute flights from Illinois to StanstedDiscover last-minute flight deals from Illinois to Stansted. Data last updated 5 September 2026 and is based on user searches.

Discover last-minute flight deals from Illinois to Stansted. Data last updated 5 September 2026 and is based on user searches.

One-way flights from Illinois to StanstedSearch for one-way flight options from Illinois to Stansted. Find affordable one-way fares based on user searches. Data last updated 5 September 2026.

Search for one-way flight options from Illinois to Stansted. Find affordable one-way fares based on user searches. Data last updated 5 September 2026.

Find flight deals from Illinois to Stansted

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Best time to book a flight from Illinois to Stansted

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Related info for your journey

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

What are the most popular routes from Illinois to London Stansted Airport?

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

How can I find direct flights from Illinois to Stansted?

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

Travelling to a place near London Stansted Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Stansted

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Complete your trip

Complete your trip to Stansted by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

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Search flights from Illinois to Stansted by cabin class

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

Illinois and Stansted flights

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Cheapest flights from Illinois to Stansted
Explore the most affordable flight options available from Illinois to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 September 2026.

Best flights from Illinois to Stansted
Discover carefully curated flight deals from Illinois to Stansted that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 September 2026.

Last-minute flights from Illinois to Stansted
Discover last-minute flight deals from Illinois to Stansted. Data last updated 5 September 2026 and is based on user searches.

One-way flights from Illinois to Stansted
Search for one-way flight options from Illinois to Stansted. Find affordable one-way fares based on user searches. Data last updated 5 September 2026.