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

Thursday 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 Chicago to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

How often are flights from Chicago to London delayed?

Historically, on average around 100% of flights between Chicago and London have experienced a delay on any given week. The average delay length over the past 12 months has been 154 minutes.

When did momondo last update prices for flights from Chicago to London Stansted Airport?

Prices for flights from Chicago to London Stansted Airport refresh daily.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to London Stansted Airport.

What documentation or ID do you need to fly to London Stansted Airport?

The travel and health documents required for your trip to London Stansted Airport 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 London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£227 Cheap Flights from Chicago to London Stansted Airport in 2026

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Find the cheapest flights from Chicago to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:30 - 15:55

ORD

STN

15h 25m

2 stops

06:00 - 17:20

STN

ORD

17h 20m

2 stops

£521Multiple Airlines

Mon, 2 Nov - Mon, 9 Nov

19:25 - 00:30

ORD

STN

23h 05m

2 stops

22:45 - 19:48

STN

ORD

27h 03m

3 stops

£524Multiple Airlines

Thu, 10 Sep - Wed, 23 Sep

19:25 - 00:10

ORD

STN

22h 45m

3 stops

20:50 - 16:10

STN

ORD

25h 20m

2 stops

£526Multiple Airlines

Wed, 7 Oct - Mon, 12 Oct

22:25 - 20:30

ORD

STN

16h 05m

2 stops

22:00 - 16:58

STN

ORD

24h 58m

2 stops

£526Multiple Airlines

Tue, 1 Sep - Wed, 16 Sep

22:25 - 20:30

ORD

STN

16h 05m

2 stops

22:00 - 19:48

STN

ORD

27h 48m

3 stops

£528Multiple Airlines

Tue, 1 Sep - Wed, 16 Sep

18:30 - 15:55

ORD

STN

15h 25m

2 stops

07:55 - 17:20

STN

ORD

15h 25m

2 stops

£529Multiple Airlines

Fri, 13 Nov - Thu, 19 Nov

19:25 - 21:40

ORD

STN

20h 15m

2 stops

06:30 - 22:05

STN

ORD

21h 35m

2 stops

£529Multiple Airlines

Wed, 5 Aug - Tue, 25 Aug

22:25 - 23:05

ORD

STN

18h 40m

2 stops

06:30 - 19:48

STN

ORD

19h 18m

2 stops

£530Multiple Airlines

Sat, 5 Sep - Thu, 17 Sep

22:25 - 00:05

ORD

STN

19h 40m

2 stops

06:30 - 19:48

STN

ORD

19h 18m

2 stops

£531Multiple Airlines

Sat, 5 Sep - Thu, 17 Sep

19:25 - 00:10

ORD

STN

22h 45m

3 stops

19:50 - 16:10

STN

ORD

26h 20m

2 stops

£532Multiple Airlines

Wed, 7 Oct - Mon, 12 Oct

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 2/11

18:30-15:55

2 stops15h 25m

London Stansted

Mon 9/11

06:00-17:20

2 stops17h 20m

£521

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 10/9

19:25-00:30

2 stops23h 05m

London Stansted

Wed 23/9

22:45-19:48

3 stops27h 03m

£524

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 7/10

19:25-00:10

3 stops22h 45m

London Stansted

Mon 12/10

20:50-16:10

2 stops25h 20m

£526

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Tue 1/9

22:25-20:30

2 stops16h 05m

London Stansted

Wed 16/9

22:00-16:58

2 stops24h 58m

£526

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Tue 1/9

22:25-20:30

2 stops16h 05m

London Stansted

Wed 16/9

22:00-19:48

3 stops27h 48m

£528

Fastest return journey

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 13/11

18:30-15:55

2 stops15h 25m

London Stansted

Thu 19/11

07:55-17:20

2 stops15h 25m

£529

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 5/8

19:25-21:40

2 stops20h 15m

London Stansted

Tue 25/8

06:30-22:05

2 stops21h 35m

£529

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sat 5/9

22:25-23:05

2 stops18h 40m

London Stansted

Thu 17/9

06:30-19:48

2 stops19h 18m

£530

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sat 5/9

22:25-00:05

2 stops19h 40m

London Stansted

Thu 17/9

06:30-19:48

2 stops19h 18m

£531

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 7/10

19:25-00:10

3 stops22h 45m

London Stansted

Mon 12/10

19:50-16:10

2 stops26h 20m

£532

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 Chicago to London Stansted Airport

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

Airlines

Delays

What is the cheapest airline that flies from Chicago to London Stansted?

Turkish Airlines is the most popular carrier operating from Chicago to London Stansted

When to book flights from Chicago to London Stansted Airport

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

Estimated return price

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

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

Fastest flight time	12h 05m
Direct flights	None

The fastest flight from Chicago to London Stansted Airport takes 12h 05m

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

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Frequently asked questions about flying from Chicago to London Stansted Airport

How far is Chicago to London Stansted by plane?
London Stansted is 3946.5 mi away from Chicago. A reasonable flight in good conditions will take 12h 05m.
When did momondo last update prices for flights from Chicago to London Stansted Airport?
Prices for flights from Chicago to London Stansted Airport refresh daily.
How old do you have to be to fly from Chicago to London Stansted Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to London Stansted Airport.
What documentation or ID do you need to fly to London Stansted Airport?
The travel and health documents required for your trip to London Stansted Airport 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 London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

Wembley

Gatwick

Milton Keynes

Luton

Southend-on-Sea

Slough

Ipswich

Maidstone

Folkestone

Ilford

Canterbury

Guildford

Hastings

Hayes

Chichester

Bedford

Colchester

Harlow

Chelmsford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to London. momondo saves you time and could save you money on your trip.

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

Flights from Chicago to London 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 Chicago to London?

momondo helps you find the best flight between Chicago and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to London from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.