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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Stansted Airport to Chicago.

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

The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£251 Cheap Flights from London Stansted Airport to Chicago in 2025

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Find the cheapest flights from London Stansted Airport to Chicago

Round-trip

One-way

Last minute

Cheap return flights

06:55 - 21:15STN-ORD

20h 20m2 stops

19:25 - 15:45ORD-STN

14h 20m2 stops

£381

Find Deal

Thu, 28 Aug - Thu, 4 Sep

22:55 - 21:15STN-ORD

28h 20m2 stops

19:25 - 00:20ORD-STN

22h 55m2 stops

£385

Find Deal

Thu, 18 Sep - Sat, 4 Oct

08:15 - 18:15STN-ORD

16h 00m2 stops

19:25 - 21:15ORD-STN

19h 50m2 stops

£387

Find Deal

Sun, 21 Sep - Sun, 28 Sep

06:55 - 14:00STN-ORD

13h 05m1 stop

15:45 - 09:30ORD-STN

11h 45m1 stop

£412

Find Deal

Thu, 11 Sep - Sun, 14 Sep

11:15 - 19:00STN-ORD

13h 45m1 stop

15:45 - 16:35ORD-STN

18h 50m1 stop

£413

Find Deal

Tue, 23 Sep - Tue, 30 Sep

06:35 - 14:00STN-ORD

13h 25m1 stop

15:45 - 07:45ORD-STN

10h 00m1 stop

£416

Find Deal

Sat, 13 Sep - Sat, 20 Sep

08:15 - 18:15STN-ORD

16h 00m2 stops

19:25 - 21:20ORD-STN

19h 55m2 stops

£424

Find Deal

Fri, 29 Aug - Fri, 5 Sep

13:55 - 10:55STN-ORD

27h 00m2 stops

18:00 - 23:20ORD-STN

23h 20m2 stops

£427

Find Deal

Wed, 17 Sep - Sun, 21 Sep

06:35 - 10:55STN-ORD

34h 20m2 stops

18:00 - 23:20ORD-STN

23h 20m2 stops

£428

Find Deal

Wed, 17 Sep - Sun, 21 Sep

06:35 - 14:00STN-ORD

13h 25m1 stop

15:45 - 09:20ORD-STN

11h 35m1 stop

£431

Find Deal

Sat, 13 Sep - Sat, 27 Sep

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 28/8

06:55-21:15

2 stops20h 20m

Chicago O'Hare Intl

Thu 4/9

19:25-15:45

2 stops14h 20m

£381

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 18/9

22:55-21:15

2 stops28h 20m

Chicago O'Hare Intl

Sat 4/10

19:25-00:20

2 stops22h 55m

£385

LondonChicago

STN - ORD

STNORD

London Stansted

Sun 21/9

08:15-18:15

2 stops16h 00m

Chicago O'Hare Intl

Sun 28/9

19:25-21:15

2 stops19h 50m

£387

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 11/9

06:55-14:00

1 stop13h 05m

Chicago O'Hare Intl

Sun 14/9

15:45-09:30

1 stop11h 45m

£412

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 23/9

11:15-19:00

1 stop13h 45m

Chicago O'Hare Intl

Tue 30/9

15:45-16:35

1 stop18h 50m

£413

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 13/9

06:35-14:00

1 stop13h 25m

Chicago O'Hare Intl

Sat 20/9

15:45-07:45

1 stop10h 00m

£416

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 29/8

08:15-18:15

2 stops16h 00m

Chicago O'Hare Intl

Fri 5/9

19:25-21:20

2 stops19h 55m

£424

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 17/9

13:55-10:55

2 stops27h 00m

Chicago O'Hare Intl

Sun 21/9

18:00-23:20

2 stops23h 20m

£427

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 17/9

06:35-10:55

2 stops34h 20m

Chicago O'Hare Intl

Sun 21/9

18:00-23:20

2 stops23h 20m

£428

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 13/9

06:35-14:00

1 stop13h 25m

Chicago O'Hare Intl

Sat 27/9

15:45-09:20

1 stop11h 35m

£431

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 Chicago

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 day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as £613. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Sunday, with ticket prices averaging around £678.

What is the cheapest time of day to depart on your flight to Chicago?

Flying to Chicago from London Stansted Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £508 when looking at flights departing in the evening. Flights in the afternoon are often more expensive, with an average ticket price of £677.

When to book flights from London Stansted Airport to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from London Stansted Airport to Chicago according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Stansted Airport to Chicago (STN to CHI) flight deals and tips

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

Best price found	£251
Fastest flight time	11h 05m
Direct flights	None
Airports in Chicago	1 airport

The best one-way flight to Chicago from London Stansted Airport in the past 72 hours is £251. The best return flight deal from London Stansted Airport to Chicago found on momondo in the last 72 hours is £381.

The fastest flight from London Stansted Airport to Chicago takes 11h 05m

There are no direct flights from London Stansted Airport to Chicago. Popular non-direct route for this connection is London Stansted Airport - Chicago O'Hare Intl Airport.

There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)

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How far is London Stansted to Chicago by plane?
The straight-line distance from London Stansted to Chicago is 3946.5 mi. In terms of flight time, this usually takes a little over 11h 05m.
When did momondo last update prices for flights from London Stansted Airport to Chicago?
Prices for flights from London Stansted Airport to Chicago refresh daily.
How old do you have to be to fly from London Stansted Airport to Chicago?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Stansted Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

Finding the right flight to Chicago from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

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

Flights from London to Chicago 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 Chicago?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Chicago.

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

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