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

Prices for flights from London Stansted Airport to Illinois are updated daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Stansted Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£310 Cheap Flights from London Stansted Airport to Illinois in 2026

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Find the cheapest flights from London Stansted Airport to Illinois

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

12:45 - 18:15

STN

ORD

35h 30m

2 stops

19:25 - 00:10

ORD

STN

22h 45m

2 stops

£446Multiple Airlines

Tue, 14 Apr - Tue, 21 Apr

21:40 - 21:25

STN

ORD

29h 45m

2 stops

19:25 - 00:10

ORD

STN

22h 45m

2 stops

£454Multiple Airlines

Sat, 18 Apr - Tue, 28 Apr

06:50 - 21:25

STN

ORD

20h 35m

2 stops

22:25 - 00:50

ORD

STN

20h 25m

2 stops

£462Multiple Airlines

Fri, 1 May - Fri, 8 May

06:30 - 10:53

STN

ORD

34h 23m

3 stops

19:25 - 19:15

ORD

STN

17h 50m

2 stops

£478Multiple Airlines

Mon, 20 Apr - Mon, 4 May

18:55 - 16:00

STN

ORD

27h 05m

2 stops

22:25 - 20:30

ORD

STN

16h 05m

2 stops

£479Multiple Airlines

Tue, 21 Apr - Fri, 24 Apr

12:45 - 18:15

STN

ORD

35h 30m

2 stops

19:25 - 00:05

ORD

STN

22h 40m

2 stops

£480Multiple Airlines

Tue, 14 Apr - Sat, 18 Apr

07:00 - 18:15

STN

ORD

17h 15m

2 stops

19:25 - 16:50

ORD

STN

15h 25m

2 stops

£481Multiple Airlines

Wed, 20 May - Mon, 25 May

06:50 - 18:15

STN

ORD

17h 25m

2 stops

22:25 - 00:50

ORD

STN

20h 25m

2 stops

£481Multiple Airlines

Fri, 10 Apr - Fri, 17 Apr

10:50 - 21:13

STN

STL

40h 23m

2 stops

07:45 - 09:55

STL

STN

44h 10m

2 stops

£995Turkish Airlines

Mon, 20 Apr - Thu, 30 Apr

06:55 - 21:13

STN

STL

20h 18m

2 stops

07:45 - 09:55

STL

STN

44h 10m

2 stops

£999Turkish Airlines

Tue, 21 Apr - Mon, 27 Apr

Turkish Airlines flights from London Stansted Airport to Illinois

Our best Turkish Airlines deals on London Stansted Airport to Illinois flight tickets

Turkish Airlines

31 Mar

STN17:35London Stansted

22h 05m

1 stop

ORD09:40Chicago O'Hare Intl

21 Apr

ORD11:25Chicago O'Hare Intl

23h 25m

1 stop

STN16:50London Stansted

£811

Turkish Airlines

20 Apr

STN10:50London Stansted

40h 23m

2 stops

STL21:13Lambert-St Louis

30 Apr

STL07:45Lambert-St Louis

44h 10m

2 stops

STN09:55London Stansted

£995

Turkish Airlines

21 Apr

STN06:55London Stansted

20h 18m

2 stops

STL21:13Lambert-St Louis

27 Apr

STL07:45Lambert-St Louis

44h 10m

2 stops

STN09:55London Stansted

£999

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 14/4

12:45-18:15

2 stops35h 30m

Chicago O'Hare Intl

Tue 21/4

19:25-00:10

2 stops22h 45m

£446

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 18/4

21:40-21:25

2 stops29h 45m

Chicago O'Hare Intl

Tue 28/4

19:25-00:10

2 stops22h 45m

£454

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 1/5

06:50-21:25

2 stops20h 35m

Chicago O'Hare Intl

Fri 8/5

22:25-00:50

2 stops20h 25m

£462

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 20/4

06:30-10:53

3 stops34h 23m

Chicago O'Hare Intl

Mon 4/5

19:25-19:15

2 stops17h 50m

£478

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 21/4

18:55-16:00

2 stops27h 05m

Chicago O'Hare Intl

Fri 24/4

22:25-20:30

2 stops16h 05m

£479

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 14/4

12:45-18:15

2 stops35h 30m

Chicago O'Hare Intl

Sat 18/4

19:25-00:05

2 stops22h 40m

£480

Fastest return journey

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 20/5

07:00-18:15

2 stops17h 15m

Chicago O'Hare Intl

Mon 25/5

19:25-16:50

2 stops15h 25m

£481

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 10/4

06:50-18:15

2 stops17h 25m

Chicago O'Hare Intl

Fri 17/4

22:25-00:50

2 stops20h 25m

£481

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Mon 20/4

10:50-21:13

2 stops40h 23m

Lambert-St Louis

Thu 30/4

07:45-09:55

2 stops44h 10m

£995

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Tue 21/4

06:55-21:13

2 stops20h 18m

Lambert-St Louis

Mon 27/4

07:45-09:55

2 stops44h 10m

£999

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

What is the cheapest airline that flies from London Stansted to Illinois?

Turkish Airlines is the most popular carrier operating from London Stansted to Illinois

Cheap London Stansted Airport to Illinois flight deals and tips

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

Fastest flight time	13h 25m
Direct flights	None

The fastest flight from London Stansted Airport to Illinois takes 13h 25m

There are no direct flights from London Stansted Airport to Illinois. There are no popular flight routes from London Stansted Airport to Illinois.

Search flight deals

When did momondo last update prices for flights from London Stansted Airport to Illinois?
Prices for flights from London Stansted Airport to Illinois are updated daily.
How old do you have to be to fly from London Stansted Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Stansted Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

It is quick and easy to find London to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

Flights from London to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from London.

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

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