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.

£377 Cheap Flights from London Stansted Airport to Illinois in 2026/27

Find the cheapest flights from London Stansted Airport to Illinois

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:45 - 17:20STN London Stansted-ORD Chicago O'Hare Intl

15h 35m2 stops Dublin Reykjavik Keflavik Intl

18:30 - 15:10ORD Chicago O'Hare Intl-STN London Stansted

14h 40m2 stops Reykjavik Keflavik Intl Dublin

£513Multiple Airlines

Fri, 13 Nov - Mon, 16 Nov

06:35 - 17:20STN London Stansted-ORD Chicago O'Hare Intl

16h 45m2 stops Dublin Reykjavik Keflavik Intl

18:30 - 23:30ORD Chicago O'Hare Intl-STN London Stansted

23h 00m2 stops Reykjavik Keflavik Intl Dublin

£513Multiple Airlines

Mon, 14 Dec - Fri, 25 Dec

12:45 - 16:45STN London Stansted-ORD Chicago O'Hare Intl

34h 00m2 stops Dublin Kastrup Copenhagen

19:10 - 21:20ORD Chicago O'Hare Intl-STN London Stansted

20h 10m2 stops Kastrup Copenhagen Dublin

£513Multiple Airlines

Wed, 11 Nov - Wed, 18 Nov

08:15 - 17:20STN London Stansted-ORD Chicago O'Hare Intl

15h 05m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

20:10 - 23:15ORD Chicago O'Hare Intl-STN London Stansted

21h 05m2 stops Lisbon Humberto Delgado Milan Malpensa

£515Multiple Airlines

Wed, 11 Nov - Sun, 15 Nov

06:45 - 17:20STN London Stansted-ORD Chicago O'Hare Intl

16h 35m2 stops Dublin Reykjavik Keflavik Intl

18:30 - 21:50ORD Chicago O'Hare Intl-STN London Stansted

21h 20m2 stops Reykjavik Keflavik Intl Dublin

£517Multiple Airlines

Fri, 20 Nov - Fri, 27 Nov

08:10 - 17:20STN London Stansted-ORD Chicago O'Hare Intl

15h 10m2 stops Stockholm Arlanda Reykjavik Keflavik Intl

18:30 - 18:00ORD Chicago O'Hare Intl-STN London Stansted

17h 30m2 stops Reykjavik Keflavik Intl Stockholm Arlanda

£519Multiple Airlines

Mon, 7 Dec - Mon, 14 Dec

19:50 - 15:30STN London Stansted-ORD Chicago O'Hare Intl

25h 40m2 stops Madrid Barajas Lisbon Humberto Delgado

20:10 - 22:55ORD Chicago O'Hare Intl-STN London Stansted

20h 45m2 stops Lisbon Humberto Delgado Madrid Barajas

£519Multiple Airlines

Tue, 17 Nov - Sun, 22 Nov

12:45 - 17:20STN London Stansted-ORD Chicago O'Hare Intl

34h 35m2 stops Dublin Reykjavik Keflavik Intl

18:30 - 23:20ORD Chicago O'Hare Intl-STN London Stansted

22h 50m2 stops Reykjavik Keflavik Intl Dublin

£521Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

05:55 - 17:20STN London Stansted-ORD Chicago O'Hare Intl

17h 25m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

18:30 - 20:00ORD Chicago O'Hare Intl-STN London Stansted

19h 30m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

£522Multiple Airlines

Fri, 20 Nov - Fri, 27 Nov

14:30 - 16:45STN London Stansted-ORD Chicago O'Hare Intl

32h 15m2 stops Dublin Kastrup Copenhagen

19:10 - 21:55ORD Chicago O'Hare Intl-STN London Stansted

20h 45m2 stops Kastrup Copenhagen Dublin

£522Multiple Airlines

Wed, 18 Nov - Mon, 23 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

07:15 - 15:10STN London Stansted-ORD Chicago O'Hare Intl

12h 55m1 stop Dublin

15:55 - 10:25ORD Chicago O'Hare Intl-STN London Stansted

12h 30m1 stop Dublin

£656Multiple Airlines

Wed, 28 Oct - Sun, 1 Nov

06:45 - 19:20STN London Stansted-ORD Chicago O'Hare Intl

17h 35m1 stop Dublin

20:05 - 21:55ORD Chicago O'Hare Intl-STN London Stansted

19h 50m1 stop Dublin

£683Multiple Airlines

Thu, 29 Oct - Mon, 2 Nov

06:10 - 15:10STN London Stansted-ORD Chicago O'Hare Intl

14h 00m1 stop Dublin

15:55 - 10:25ORD Chicago O'Hare Intl-STN London Stansted

12h 30m1 stop Dublin

£693Multiple Airlines

Wed, 28 Oct - Sun, 1 Nov

21:20 - 19:25STN London Stansted-ORD Chicago O'Hare Intl

27h 05m2 stops Krakow J. Paul II Balice Munich Franz Josef Strauss

18:50 - 20:55ORD Chicago O'Hare Intl-STN London Stansted

20h 05m2 stops Zurich Krakow J. Paul II Balice

£694Multiple Airlines

Wed, 28 Oct - Tue, 3 Nov

08:20 - 19:20STN London Stansted-ORD Chicago O'Hare Intl

16h 00m1 stop Dublin

15:55 - 10:25ORD Chicago O'Hare Intl-STN London Stansted

12h 30m1 stop Dublin

£710Multiple Airlines

Mon, 26 Oct - Sun, 1 Nov

07:15 - 15:10STN London Stansted-ORD Chicago O'Hare Intl

12h 55m1 stop Dublin

15:55 - 09:40ORD Chicago O'Hare Intl-STN London Stansted

11h 45m1 stop Dublin

£710Multiple Airlines

Tue, 27 Oct - Sun, 8 Nov

12:30 - 15:25STN London Stansted-ORD Chicago O'Hare Intl

31h 55m2 stops Madrid Barajas Amsterdam Schiphol

16:25 - 22:55ORD Chicago O'Hare Intl-STN London Stansted

24h 30m2 stops Amsterdam Schiphol Madrid Barajas

£719Multiple Airlines

Wed, 28 Oct - Sun, 1 Nov

06:45 - 15:10STN London Stansted-ORD Chicago O'Hare Intl

13h 25m1 stop Dublin

20:05 - 15:15ORD Chicago O'Hare Intl-STN London Stansted

13h 10m1 stop Dublin

£729Multiple Airlines

Thu, 29 Oct - Wed, 4 Nov

12:05 - 19:20STN London Stansted-ORD Chicago O'Hare Intl

12h 15m1 stop Dublin

15:55 - 09:15ORD Chicago O'Hare Intl-STN London Stansted

11h 20m1 stop Dublin

£737Multiple Airlines

Tue, 27 Oct - Tue, 3 Nov

06:25 - 17:15STN London Stansted-ORD Chicago O'Hare Intl

15h 50m2 stops Milan Malpensa Paris Charles de Gaulle

18:25 - 23:40ORD Chicago O'Hare Intl-STN London Stansted

23h 15m2 stops Paris Charles de Gaulle Milan Malpensa

£741Multiple Airlines

Thu, 29 Oct - Thu, 5 Nov

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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

Fastest return journey

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Fri 13/11

07:45-17:20

2 stops15h 35m

Chicago O'Hare Intl

Mon 16/11

18:30-15:10

2 stops14h 40m

£513

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Mon 14/12

06:35-17:20

2 stops16h 45m

Chicago O'Hare Intl

Fri 25/12

18:30-23:30

2 stops23h 00m

£513

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Wed 11/11

12:45-16:45

2 stops34h 00m

Chicago O'Hare Intl

Wed 18/11

19:10-21:20

2 stops20h 10m

£513

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Wed 11/11

08:15-17:20

2 stops15h 05m

Chicago O'Hare Intl

Sun 15/11

20:10-23:15

2 stops21h 05m

£515

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Fri 20/11

06:45-17:20

2 stops16h 35m

Chicago O'Hare Intl

Fri 27/11

18:30-21:50

2 stops21h 20m

£517

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Mon 7/12

08:10-17:20

2 stops15h 10m

Chicago O'Hare Intl

Mon 14/12

18:30-18:00

2 stops17h 30m

£519

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Tue 17/11

19:50-15:30

2 stops25h 40m

Chicago O'Hare Intl

Sun 22/11

20:10-22:55

2 stops20h 45m

£519

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Wed 4/11

12:45-17:20

2 stops34h 35m

Chicago O'Hare Intl

Wed 11/11

18:30-23:20

2 stops22h 50m

£521

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Fri 20/11

05:55-17:20

2 stops17h 25m

Chicago O'Hare Intl

Fri 27/11

18:30-20:00

2 stops19h 30m

£522

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Wed 18/11

14:30-16:45

2 stops32h 15m

Chicago O'Hare Intl

Mon 23/11

19:10-21:55

2 stops20h 45m

£522

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

Best price found	£377
Fastest flight time	14h 05m
Direct flights	None

The best one-way flight to Illinois from London Stansted Airport in the past 72 hours is £377. The best return flight deal from London Stansted Airport to Illinois found on momondo in the last 72 hours is £513.

The fastest flight from London Stansted Airport to Illinois takes 14h 05m

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

Frequently asked questions about flying from London Stansted Airport to Illinois

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.

Frequently asked questions about flying from London Stansted Airport to Illinois

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.