How do I get Price Alerts for flights from London Stansted Airport to Illinois?

Price Alerts will notify you by email when the price for flights to Illinois from London Stansted Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from London Stansted Airport to Illinois with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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.

£287 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.

08:30 - 19:25

STN

ORD

16h 55m

2 stops

19:25 - 16:00

ORD

STN

14h 35m

2 stops

£435Multiple Airlines

Thu, 9 Apr - Thu, 16 Apr

22:00 - 19:25

STN

ORD

27h 25m

2 stops

19:25 - 22:35

ORD

STN

21h 10m

2 stops

£451Multiple Airlines

Sat, 25 Apr - Thu, 30 Apr

08:30 - 19:25

STN

ORD

16h 55m

2 stops

19:25 - 23:20

ORD

STN

21h 55m

3 stops

£453Multiple Airlines

Thu, 9 Apr - Thu, 16 Apr

12:00 - 16:45

STN

ORD

34h 45m

2 stops

20:20 - 21:20

ORD

STN

20h 00m

2 stops

£456Multiple Airlines

Sun, 1 Mar - Sun, 8 Mar

08:30 - 18:20

STN

ORD

14h 50m

2 stops

19:30 - 19:35

ORD

STN

19h 05m

2 stops

£465Multiple Airlines

Wed, 11 Mar - Wed, 25 Mar

11:35 - 00:40

STN

ORD

43h 05m

3 stops

19:30 - 23:50

ORD

STN

23h 20m

2 stops

£470Multiple Airlines

Mon, 2 Mar - Tue, 17 Mar

06:30 - 16:45

STN

ORD

16h 15m

2 stops

20:20 - 23:00

ORD

STN

21h 40m

3 stops

£471Multiple Airlines

Sun, 1 Mar - Sun, 8 Mar

06:30 - 14:00

STN

ORD

13h 30m

1 stop

16:50 - 09:50

ORD

STN

12h 00m

1 stop

£474Multiple Airlines

Sun, 1 Mar - Sun, 8 Mar

17:45 - 15:46

STN

STL

28h 01m

2 stops

06:00 - 09:55

STL

STN

45h 55m

2 stops

£1,431Turkish Airlines

Tue, 26 May - Fri, 5 Jun

10:50 - 15:46

STN

STL

34h 56m

2 stops

06:00 - 16:50

STL

STN

52h 50m

2 stops

£1,451Turkish Airlines

Mon, 20 Jul - Fri, 31 Jul

Turkish Airlines flights from London Stansted Airport to Illinois

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

Turkish Airlines

26 May

STN17:45London Stansted

28h 01m

2 stops

STL15:46Lambert-St Louis

5 Jun

STL06:00Lambert-St Louis

45h 55m

2 stops

STN09:55London Stansted

£1,431

Turkish Airlines

20 Jul

STN10:50London Stansted

34h 56m

2 stops

STL15:46Lambert-St Louis

31 Jul

STL06:00Lambert-St Louis

52h 50m

2 stops

STN16:50London Stansted

£1,451

Turkish Airlines

20 Apr

STN10:50London Stansted

40h 18m

2 stops

STL21:08Lambert-St Louis

24 Apr

STL07:45Lambert-St Louis

51h 05m

2 stops

STN16:50London Stansted

£1,546

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

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 9/4

08:30-19:25

2 stops16h 55m

Chicago O'Hare Intl

Thu 16/4

19:25-16:00

2 stops14h 35m

£435

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 25/4

22:00-19:25

2 stops27h 25m

Chicago O'Hare Intl

Thu 30/4

19:25-22:35

2 stops21h 10m

£451

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 9/4

08:30-19:25

2 stops16h 55m

Chicago O'Hare Intl

Thu 16/4

19:25-23:20

3 stops21h 55m

£453

LondonChicago

STN - ORD

STNORD

London Stansted

Sun 1/3

12:00-16:45

2 stops34h 45m

Chicago O'Hare Intl

Sun 8/3

20:20-21:20

2 stops20h 00m

£456

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 11/3

08:30-18:20

2 stops14h 50m

Chicago O'Hare Intl

Wed 25/3

19:30-19:35

2 stops19h 05m

£465

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 2/3

11:35-00:40

3 stops43h 05m

Chicago O'Hare Intl

Tue 17/3

19:30-23:50

2 stops23h 20m

£470

LondonChicago

STN - ORD

STNORD

London Stansted

Sun 1/3

06:30-16:45

2 stops16h 15m

Chicago O'Hare Intl

Sun 8/3

20:20-23:00

3 stops21h 40m

£471

LondonChicago

STN - ORD

STNORD

London Stansted

Sun 1/3

06:30-14:00

1 stop13h 30m

Chicago O'Hare Intl

Sun 8/3

16:50-09:50

1 stop12h 00m

£474

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Tue 26/5

17:45-15:46

2 stops28h 01m

Lambert-St Louis

Fri 5/6

06:00-09:55

2 stops45h 55m

£1,431

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Mon 20/7

10:50-15:46

2 stops34h 56m

Lambert-St Louis

Fri 31/7

06:00-16:50

2 stops52h 50m

£1,451

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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	14h 15m
Direct flights	None

The fastest flight from London Stansted Airport to Illinois takes 14h 15m

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.

How do I get Price Alerts for flights from London Stansted Airport to Illinois?
Price Alerts will notify you by email when the price for flights to Illinois from London Stansted Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from London Stansted Airport to Illinois with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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.