What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for London to Chicago flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

How often are flights from London to Chicago delayed?

Historically, on average around 0% of flights between London and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

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.

£372 Cheap Flights from London Stansted Airport to Chicago in 2025/26

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Stansted Airport to Chicago

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:50 - 17:20

STN

ORD

33h 30m2 stops

18:30 - 21:35

ORD

STN

21h 05m2 stops

£449Multiple Airlines

Fri, 30 Jan - Fri, 6 Feb

16:30 - 16:45

STN

ORD

30h 15m2 stops

19:10 - 21:20

ORD

STN

20h 10m2 stops

£455Multiple Airlines

Thu, 22 Jan - Thu, 29 Jan

12:20 - 17:20

STN

ORD

35h 00m2 stops

18:30 - 15:45

ORD

STN

15h 15m2 stops

£456Multiple Airlines

Mon, 19 Jan - Mon, 26 Jan

06:00 - 17:20

STN

ORD

17h 20m2 stops

18:30 - 22:05

ORD

STN

21h 35m2 stops

£459Multiple Airlines

Mon, 16 Feb - Mon, 23 Feb

07:15 - 16:45

STN

ORD

15h 30m1 stop

19:20 - 23:10

ORD

STN

21h 50m1 stop

£464Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

07:15 - 16:45

STN

ORD

15h 30m1 stop

19:20 - 13:05

ORD

STN

11h 45m1 stop

£465Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

07:15 - 16:45

STN

ORD

15h 30m1 stop

19:20 - 13:05

ORD

STN

11h 45m1 stop

£466Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

19:50 - 14:55

STN

ORD

25h 05m2 stops

16:50 - 07:50

ORD

STN

10h 00m1 stop

£467Multiple Airlines

Mon, 23 Feb - Sun, 22 Mar

19:50 - 14:55

STN

ORD

25h 05m2 stops

16:50 - 07:50

ORD

STN

10h 00m1 stop

£469Multiple Airlines

Mon, 23 Feb - Sun, 22 Mar

19:50 - 14:55

STN

ORD

25h 05m2 stops

16:50 - 07:50

ORD

STN

10h 00m1 stop

£472Multiple Airlines

Mon, 23 Feb - Mon, 16 Mar

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

Fri 30/1

13:50-17:20

2 stops33h 30m

Chicago O'Hare Intl

Fri 6/2

18:30-21:35

2 stops21h 05m

£449

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 22/1

16:30-16:45

2 stops30h 15m

Chicago O'Hare Intl

Thu 29/1

19:10-21:20

2 stops20h 10m

£455

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 19/1

12:20-17:20

2 stops35h 00m

Chicago O'Hare Intl

Mon 26/1

18:30-15:45

2 stops15h 15m

£456

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 16/2

06:00-17:20

2 stops17h 20m

Chicago O'Hare Intl

Mon 23/2

18:30-22:05

2 stops21h 35m

£459

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 31/1

07:15-16:45

1 stop15h 30m

Chicago O'Hare Intl

Sat 7/2

19:20-23:10

1 stop21h 50m

£464

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 31/1

07:15-16:45

1 stop15h 30m

Chicago O'Hare Intl

Sat 7/2

19:20-13:05

1 stop11h 45m

£465

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 31/1

07:15-16:45

1 stop15h 30m

Chicago O'Hare Intl

Sat 7/2

19:20-13:05

1 stop11h 45m

£466

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 23/2

19:50-14:55

2 stops25h 05m

Chicago O'Hare Intl

Sun 22/3

16:50-07:50

1 stop10h 00m

£467

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 23/2

19:50-14:55

2 stops25h 05m

Chicago O'Hare Intl

Sun 22/3

16:50-07:50

1 stop10h 00m

£469

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 23/2

19:50-14:55

2 stops25h 05m

Chicago O'Hare Intl

Mon 16/3

16:50-07:50

1 stop10h 00m

£472

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

Prices

Delays

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 £615. 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 £669.

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 £502 when looking at flights departing in the evening. Flights in the afternoon are often more expensive, with an average ticket price of £666.

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

Fastest flight time	13h 30m
Direct flights	None

The fastest flight from London Stansted Airport to Chicago takes 13h 30m

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

Search flight deals

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 13h 30m.
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.