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

Departing from Illinois to London Stansted Airport will take you 22h 35m. 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.

£236+ 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 22 October 2026.

Wed 30/1220:05 -

1 stop21h 15m

Sat 9/108:45 -

2 stops38h 35m

Deal found 17/10£525

Fri 27/1120:10 -

1 stop21h 45m

Sat 5/1218:30 -

2 stops27h 00m

Deal found 19/10£526

Sun 15/1120:10 -

1 stop21h 40m

Tue 24/1113:25 -

2 stops32h 05m

Deal found 20/10£527

Tue 3/1118:30 -

2 stops18h 20m

Tue 17/1108:15 -

2 stops15h 05m

Deal found 17/10£528

Mon 7/1218:30 -

2 stops17h 30m

Thu 10/1207:55 -

2 stops15h 25m

Deal found 18/10£529

Tue 10/1118:30 -

2 stops17h 35m

Thu 10/1207:55 -

2 stops15h 25m

Deal found 21/10£530

Fri 13/1120:10 -

1 stop18h 20m

Sat 21/1118:30 -

2 stops27h 00m

Deal found 21/10£531

Sun 15/1118:30 -

2 stops15h 10m

Tue 17/1108:15 -

2 stops15h 05m

Deal found 19/10£532

Mon 9/1118:30 -

2 stops21h 25m

Mon 16/1106:35 -

2 stops16h 45m

Deal found 19/10£532

Wed 4/1112:45 -

2 stops22h 05m

Sat 14/1107:50 -

2 stops32h 10m

Deal found 19/10£533

Wed 25/1115:55 -

1 stop10h 20m

Mon 30/1121:00 -

2 stops48h 30m

Deal found 17/10£534

Sun 8/1120:10 -

1 stop17h 15m

Thu 19/1119:50 -

2 stops25h 40m

Deal found 20/10£535

Find flight deals from Illinois to Stansted

Round-trip from	£525
One-way from	£236
Popular in	June
Cheapest in	February
Average price	£663

30/12-9/1
3 total stops
59h 50m total
Illinois to London

Search Deals

3/2-31/12
2 total stops
40h 50m total
Illinois to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£132 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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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

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Wed 20/1

19:00-23:15

2 stops46h 15m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£255

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Mon 23/11

22:00-13:35

3 stops57h 35m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£258

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Thu 29/10

19:30-23:15

2 stops22h 45m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£367

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Tue 27/10

21:15-09:55

1 stop31h 40m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£399

Fastest return journey

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Thu 11/3

12:45-09:55

1 stop15h 10m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£421

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Sun 22/11

20:15-16:20

1 stop38h 05m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£421

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Wed 18/11

11:45-16:20

1 stop22h 35m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£426

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Sat 27/3

21:15-09:05

1 stop29h 50m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£429

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Sat 14/11

20:15-09:55

1 stop31h 40m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£429

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Fri 26/3

12:45-16:20

1 stop22h 35m

London Stansted

Wed 31/12

00:00-17:00

Nonstop0h 00m

£429

Flights are sorted by cheapest return flights first.

Deals found on 17/10

Showing 1-10 of 24 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

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

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 22h 35m. 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.

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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 £236

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. 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 22 October 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 22 October 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 22 October 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 22 October 2026.

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

Discover last-minute flight deals from Illinois to Stansted. Data last updated 22 October 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 22 October 2026.

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

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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

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Search flights from Illinois to Stansted by cabin class

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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 22 October 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 22 October 2026.

Last-minute flights from Illinois to Stansted
Discover last-minute flight deals from Illinois to Stansted. Data last updated 22 October 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 22 October 2026.