How long does it take to fly to London Stansted Airport?

The flight from Illinois to London Stansted Airport depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Chicago (a popular airport in Illinois) to London Heathrow Airport (the most popular airport in London Stansted Airport), then the flight time is 9h 06m on average. If you fly from Peoria (another popular airport in Illinois) to London Heathrow Airport, then the average flight time is 10h 29m.

How old do you have to be to fly from Illinois to London Stansted Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to London Stansted Airport.

What documentation or ID do you need to fly to London Stansted Airport?

The required travel and health documents for your London Stansted Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Stansted Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$255 Cheap Flights from Illinois to London Stansted Airport in 2025

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Find the cheapest flights from Illinois to London

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Cheap round-trip flights

These are some of the best round-trip flight deals from Illinois to London that have been recently found on momondo from popular airlines, departing in the coming months.

6:00 pm - 4:55 pmORD-STN

16h 55m2 stops

10:05 pm - 4:10 pmSTN-ORD

24h 05m2 stops

$525

Find Deal

Wed, Apr 2 - Tue, Apr 8

6:00 pm - 7:25 pmORD-STN

19h 25m2 stops

11:05 am - 4:10 pmSTN-ORD

35h 05m2 stops

$539

Find Deal

Sun, Apr 6 - Tue, Apr 15

7:15 pm - 10:50 pmORD-STN

21h 35m2 stops

1:15 pm - 4:10 pmSTN-ORD

32h 55m2 stops

$591

Find Deal

Tue, Apr 22 - Wed, Apr 30

7:49 pm - 10:40 amORD-STN

32h 51m3 stops

11:40 am - 8:04 amSTN-ORD

26h 24m3 stops

$608

Find Deal

Tue, Apr 22 - Wed, Apr 30

4:55 pm - 2:40 pmORD-STN

16h 45m2 stops

11:05 am - 2:00 pmSTN-ORD

32h 55m2 stops

$614

Find Deal

Tue, Mar 25 - Tue, Apr 1

7:20 am - 12:20 pmORD-STN

24h 00m3 stops

2:15 pm - 7:35 pmSTN-ORD

35h 20m2 stops

$628

Find Deal

Mon, Mar 24 - Mon, Mar 31

10:25 pm - 7:40 pmORD-STN

16h 15m2 stops

7:05 pm - 7:25 pmSTN-ORD

29h 20m2 stops

$640

Find Deal

Wed, Mar 12 - Mon, Mar 17

7:15 pm - 11:45 pmORD-STN

22h 30m2 stops

1:10 pm - 4:10 pmSTN-ORD

33h 00m3 stops

$641

Find Deal

Fri, Apr 25 - Sun, Apr 27

10:25 pm - 10:55 pmORD-STN

19h 30m2 stops

6:00 pm - 9:05 pmSTN-ORD

32h 05m2 stops

$644

Find Deal

Mon, Mar 17 - Tue, Mar 25

4:55 pm - 6:45 pmORD-STN

20h 50m2 stops

2:15 pm - 8:00 pmSTN-ORD

35h 45m2 stops

$646

Find Deal

Wed, Mar 26 - Mon, Mar 31

How to get the cheapest flight ticket from Illinois to London Stansted Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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Other information

What is the cheapest time of day to depart on your flight to London Stansted Airport?

Our most recent data shows that the best time of day to fly to London Stansted Airport is in the afternoon. Flights from Illinois to London Stansted Airport during this time can be as low as $700. In contrast, the most expensive time of day to depart to London Stansted Airport is in the afternoon when prices are around $700.

Cheap Illinois to London Stansted Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to London Stansted Airport

Best Price Found	$255
Fastest flight time	9h 55m
Direct flights	None

The best one-way flight to London Stansted Airport from Illinois in the past 72 hours is $255. The best round-trip flight deal from Illinois to London Stansted Airport found on momondo in the last 72 hours is $525.

The fastest flight from Illinois to London Stansted Airport takes 9h 55m

There are no direct flights from Illinois to London Stansted Airport. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - London Stansted Airport and Chicago Midway Airport - London Stansted Airport.

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When did momondo last update prices for flights from Illinois to London Stansted Airport?
Prices for flights from Illinois to London Stansted Airport refresh daily.
How old do you have to be to fly from Illinois to London Stansted Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to London Stansted Airport.
What documentation or ID do you need to fly to London Stansted Airport?
The required travel and health documents for your London Stansted Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Stansted Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Hounslow

Gatwick

Croydon

Luton

Guildford

Slough

Ipswich

Hayes

Stansted

Ilford

Canterbury

Dover

Milton Keynes

Dartford

Horley

Colchester

Wembley

Chelmsford

Eastbourne

St. Albans

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to London for you.

Can I find flights from Illinois to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to London?

momondo helps you find the best flight between Illinois and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Illinois to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Illinois and alert you when they change.