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.

£369 Cheap Flights from London Stansted Airport to Chicago in 2025/26

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Find the cheapest flights from London Stansted Airport to Chicago

Round-trip

One-way

Last minute

Cheap return flights

22:35 - 14:00STN-ORD

21h 25m1 stop

21:15 - 16:35ORD-STN

13h 20m1 stop

£407

Find Deal

Tue, 14 Oct - Tue, 21 Oct

22:10 - 12:35STN-ORD

20h 25m2 stops

18:00 - 21:45ORD-STN

21h 45m2 stops

£419

Find Deal

Wed, 15 Oct - Sun, 19 Oct

06:10 - 16:45STN-ORD

16h 35m2 stops

19:20 - 20:05ORD-STN

18h 45m2 stops

£425

Find Deal

Mon, 17 Nov - Sun, 23 Nov

19:15 - 18:20STN-ORD

28h 05m2 stops

18:30 - 20:20ORD-STN

19h 50m2 stops

£430

Find Deal

Sat, 1 Nov - Sun, 9 Nov

13:55 - 12:35STN-ORD

28h 40m2 stops

20:25 - 20:55ORD-STN

18h 30m2 stops

£433

Find Deal

Wed, 22 Oct - Sun, 2 Nov

17:20 - 18:20STN-ORD

30h 00m2 stops

18:30 - 23:10ORD-STN

22h 40m2 stops

£445

Find Deal

Sat, 1 Nov - Sat, 8 Nov

08:20 - 21:05STN-ORD

17h 45m2 stops

19:20 - 22:00ORD-STN

20h 40m3 stops

£454

Find Deal

Wed, 29 Oct - Wed, 5 Nov

07:15 - 17:45STN-ORD

15h 30m1 stop

19:20 - 16:35ORD-STN

15h 15m1 stop

£456

Find Deal

Sat, 1 Nov - Sun, 9 Nov

07:15 - 17:45STN-ORD

15h 30m1 stop

19:20 - 13:05ORD-STN

11h 45m1 stop

£459

Find Deal

Sat, 1 Nov - Sat, 8 Nov

14:50 - 16:10STN-ORD

31h 20m2 stops

18:00 - 23:10ORD-STN

23h 10m2 stops

£464

Find Deal

Thu, 16 Oct - Fri, 24 Oct

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

Tue 14/10

22:35-14:00

1 stop21h 25m

Chicago O'Hare Intl

Tue 21/10

21:15-16:35

1 stop13h 20m

£407

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 15/10

22:10-12:35

2 stops20h 25m

Chicago O'Hare Intl

Sun 19/10

18:00-21:45

2 stops21h 45m

£419

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 17/11

06:10-16:45

2 stops16h 35m

Chicago O'Hare Intl

Sun 23/11

19:20-20:05

2 stops18h 45m

£425

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 1/11

19:15-18:20

2 stops28h 05m

Chicago O'Hare Intl

Sun 9/11

18:30-20:20

2 stops19h 50m

£430

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 22/10

13:55-12:35

2 stops28h 40m

Chicago O'Hare Intl

Sun 2/11

20:25-20:55

2 stops18h 30m

£433

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 1/11

17:20-18:20

2 stops30h 00m

Chicago O'Hare Intl

Sat 8/11

18:30-23:10

2 stops22h 40m

£445

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 29/10

08:20-21:05

2 stops17h 45m

Chicago O'Hare Intl

Wed 5/11

19:20-22:00

3 stops20h 40m

£454

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 1/11

07:15-17:45

1 stop15h 30m

Chicago O'Hare Intl

Sun 9/11

19:20-16:35

1 stop15h 15m

£456

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 1/11

07:15-17:45

1 stop15h 30m

Chicago O'Hare Intl

Sat 8/11

19:20-13:05

1 stop11h 45m

£459

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 16/10

14:50-16:10

2 stops31h 20m

Chicago O'Hare Intl

Fri 24/10

18:00-23:10

2 stops23h 10m

£464

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 £599. 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 Saturday, with ticket prices averaging around £655.

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 £494 when looking at flights departing in the evening. Flights in the afternoon are often more expensive, with an average ticket price of £656.

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

Direct flights	None

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

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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 45m.
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.