In terms of precipitation, rainfall in London Stansted Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Stansted Airport when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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.

How far in advance should I book a flight from Illinois to London Stansted Airport?

To save on the cost of your flight from Illinois to London Stansted Airport, book at least 60 days before your planned departure. Booking around this time can save you about 12% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $722 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $722.

What is the cheapest month to fly from Illinois to London Stansted Airport?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to London Stansted Airport. Flights to London Stansted Airport from Illinois in February are about $766 on average during February, but can be found for as low as $462.

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 vacation 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.

$228+ Flights from Illinois to London Stansted Airport

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Cheap flight deals from Illinois to Stansted

Round-trip from	$522 (Mytrip)
One-way from	$232 (Mytrip)
Popular in	June
Cheapest in	February
Average price	$1,039

From Illinois to London Stansted

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One-way flight from Illinois to London Stansted

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Highest demand for flights based on searches. 21% potential increase in price ($209 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Illinois to Stansted

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 julio 31, 2025.

lun. 10/69:55 amORD - STN

3 stops19h 55mMultiple Airlines

dom. 10/196:45 amSTN - ORD

2 stops19h 37mMultiple Airlines

Deal found 7/31

$523

mié. 9/31:30 pmSTL - STN

2 stops18h 20mMultiple Airlines

mié. 9/1010:10 pmSTN - STL

2 stops27h 47mMultiple Airlines

Deal found 7/31

$742

Best flights from Illinois to Stansted
Discover carefully curated flight deals from Illinois to Stansted that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 31, 2025.

lun. 10/69:55 amORD - STN

3 stops19h 55mMultiple Airlines

dom. 10/196:45 amSTN - ORD

2 stops19h 37mMultiple Airlines

Deal found 7/31

$523

mié. 9/31:30 pmSTL - STN

2 stops18h 20mMultiple Airlines

mié. 9/1010:10 pmSTN - STL

2 stops27h 47mMultiple Airlines

Deal found 7/31

$742

Last-minute flights from Illinois to Stansted
Discover last-minute flight deals from Illinois to Stansted. Data last updated julio 31, 2025 and is based on user searches.

dom. 8/1010:40 amORD - STN

3 stops28h 10mMultiple Airlines

mar. 8/196:20 amSTN - ORD

2 stops19h 09mMultiple Airlines

Deal found 7/31

$770

mar. 8/194:00 pmSTL - STN

2 stops16h 20mMultiple Airlines

mié. 8/278:15 amSTN - STL

2 stops17h 30mMultiple Airlines

Deal found 7/30

$1,031

jue. 8/217:25 pmORD - STN

2 stops16h 00mMultiple Airlines

lun. 8/256:10 amSTN - ORD

2 stops21h 05mMultiple Airlines

Deal found 7/29

$641

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 julio 31, 2025.

lun. 9/226:10 pmORD - STN

2 stops24h 00mMultiple Airlines

Deal found 7/29

$228

lun. 9/229:35 amMDW - STN

2 stops22h 45mMultiple Airlines

Deal found 7/29

$284

sáb. 9/136:00 amSTL - STN

3 stops43h 40mMultiple Airlines

Deal found 7/31

$450

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

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

lun. 10/6

9:55 am-11:50 am

3 stops19h 55m

London Stansted

dom. 10/19

6:45 am-8:22 pm

2 stops19h 37m

$523

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

mié. 9/3

1:30 pm-1:50 pm

2 stops18h 20m

London Stansted

mié. 9/10

10:10 pm-7:57 pm

2 stops27h 47m

$742

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

lun. 9/22

6:10 pm-12:10 am

2 stops24h 00m

$228

ChicagoLondon

MDW - STN

MDWSTN

Chicago Midway

lun. 9/22

9:35 am-2:20 pm

2 stops22h 45m

$284

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

sáb. 9/13

6:00 am-7:40 am

3 stops43h 40m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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.

Estimated round-trip 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

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

Related info for your journey

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 vacation 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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$228+ Cheap flights from Illinois to Stansted (STN)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Stansted with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Illinois to Stansted

Keep the following information in mind while searching for Illinois to Stansted flight deals. Data was last updated julio 31, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 julio 31, 2025.

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 julio 31, 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to London Stansted Airport

Related info for your journey

Find useful and relevant information for your journey from Illinois to Stansted. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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?

Traveling to a place near London Stansted Airport?

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Alternative routes for Illinois to Stansted

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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 julio 31, 2025.