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.

$227 Cheap Flights from Illinois to London Stansted Airport in 2025

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Find the cheapest flights from Illinois to London

Round-trip

One-way

Last minute

Cheap round-trip flights

8:50 pm - 11:20 pmORD-STN

21h 30m3 stops

1:30 pm - 4:45 pmSTN-ORD

33h 15m3 stops

$509

Find Deal

Thu, Oct 30 - Fri, Nov 7

7:15 pm - 10:10 pmORD-STN

20h 55m2 stops

1:30 pm - 4:45 pmSTN-ORD

33h 15m3 stops

$517

Find Deal

Mon, Oct 20 - Fri, Nov 7

6:00 pm - 11:20 pmORD-STN

23h 20m2 stops

7:30 am - 12:35 pmSTN-ORD

35h 05m2 stops

$528

Find Deal

Sun, Oct 12 - Wed, Oct 15

8:15 pm - 12:10 amORD-STN

21h 55m2 stops

2:35 pm - 3:15 pmSTN-ORD

30h 40m2 stops

$536

Find Deal

Fri, Nov 7 - Thu, Nov 13

6:00 pm - 11:20 pmORD-STN

23h 20m2 stops

7:30 am - 12:35 pmSTN-ORD

35h 05m2 stops

$539

Find Deal

Sun, Oct 12 - Wed, Oct 15

7:15 pm - 9:00 pmORD-STN

19h 45m2 stops

5:30 pm - 4:10 pmSTN-ORD

28h 40m3 stops

$548

Find Deal

Mon, Oct 6 - Sat, Oct 11

7:15 pm - 12:45 amORD-STN

23h 30m3 stops

12:05 pm - 4:10 pmSTN-ORD

34h 05m3 stops

$555

Find Deal

Thu, Oct 9 - Fri, Oct 17

7:15 pm - 9:00 pmORD-STN

19h 45m2 stops

1:15 pm - 4:10 pmSTN-ORD

32h 55m2 stops

$560

Find Deal

Mon, Oct 6 - Wed, Oct 15

7:15 pm - 12:20 amORD-STN

23h 05m2 stops

2:45 pm - 4:10 pmSTN-ORD

31h 25m3 stops

$561

Find Deal

Sat, Oct 11 - Sat, Oct 18

5:30 pm - 7:00 pmSTL-STN

43h 30m2 stops

7:50 pm - 3:44 pmSTN-STL

25h 54m2 stops

$881Lufthansa

Find Deal

Sun, Sep 21 - Tue, Sep 30

momondo 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

Thu 10/30

8:50 pm-11:20 pm

3 stops21h 30m

London Stansted

Fri 11/7

1:30 pm-4:45 pm

3 stops33h 15m

$509

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 10/20

7:15 pm-10:10 pm

2 stops20h 55m

London Stansted

Fri 11/7

1:30 pm-4:45 pm

3 stops33h 15m

$517

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 10/12

6:00 pm-11:20 pm

2 stops23h 20m

London Stansted

Wed 10/15

7:30 am-12:35 pm

2 stops35h 05m

$528

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 11/7

8:15 pm-12:10 am

2 stops21h 55m

London Stansted

Thu 11/13

2:35 pm-3:15 pm

2 stops30h 40m

$536

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 10/12

6:00 pm-11:20 pm

2 stops23h 20m

London Stansted

Wed 10/15

7:30 am-12:35 pm

2 stops35h 05m

$539

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 10/6

7:15 pm-9:00 pm

2 stops19h 45m

London Stansted

Sat 10/11

5:30 pm-4:10 pm

3 stops28h 40m

$548

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 10/9

7:15 pm-12:45 am

3 stops23h 30m

London Stansted

Fri 10/17

12:05 pm-4:10 pm

3 stops34h 05m

$555

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 10/6

7:15 pm-9:00 pm

2 stops19h 45m

London Stansted

Wed 10/15

1:15 pm-4:10 pm

2 stops32h 55m

$560

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sat 10/11

7:15 pm-12:20 am

2 stops23h 05m

London Stansted

Sat 10/18

2:45 pm-4:10 pm

3 stops31h 25m

$561

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 9/21

5:30 pm-7:00 pm

2 stops43h 30m

London Stansted

Tue 9/30

7:50 pm-3:44 pm

2 stops25h 54m

$881

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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 22m on average. If you fly from Peoria (another popular airport in Illinois) to London Heathrow Airport, then the average flight time is 10h 15m.

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	$227
Fastest flight time	10h 05m
Direct flights	None

The best one-way flight to London Stansted Airport from Illinois in the past 72 hours is $227. The best round-trip flight deal from Illinois to London Stansted Airport found on momondo in the last 72 hours is $509.

The fastest flight from Illinois to London Stansted Airport takes 10h 05m

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.

Search flight deals

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

Dover

Slough

Luton

Guildford

Milton Keynes

Dartford

Crawley

Hayes

Chelmsford

Stansted

Brentwood

Ilford

Colchester

Folkestone

Watford

Richmond

Canterbury

Wembley

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.

An easier way to manage your London Stansted Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in the United Kingdom

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Cheap flights from Illinois to London from $227

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to London departing on 10/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to London

Cheap round-trip flights

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

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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

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

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

Fastest flight time

Direct flights

When did momondo last update prices for flights from Illinois to London Stansted Airport?

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

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

Traveling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London Stansted Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo