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

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

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

Tuesday 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.

How often are flights from Chicago to London delayed?

Historically, on average around 75% 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 116 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.

£221 Cheap Flights from Chicago to London Stansted Airport in 2026

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.

20:10 - 23:50ORD Chicago O'Hare Intl-STN London Stansted

21h 40m2 stops Lisbon Humberto Delgado Madrid Barajas

10:25 - 15:30STN London Stansted-ORD Chicago O'Hare Intl

35h 05m2 stops Madrid Barajas Lisbon Humberto Delgado

£507Multiple Airlines

Fri, 13 Nov - Tue, 17 Nov

19:15 - 15:55ORD Chicago O'Hare Intl-STN London Stansted

14h 40m1 stop Kastrup Copenhagen

06:45 - 16:45STN London Stansted-ORD Chicago O'Hare Intl

16h 00m1 stop Kastrup Copenhagen

£507Multiple Airlines

Fri, 4 Dec - Mon, 7 Dec

19:15 - 21:55ORD Chicago O'Hare Intl-STN London Stansted

20h 40m1 stop Kastrup Copenhagen

07:20 - 16:45STN London Stansted-ORD Chicago O'Hare Intl

15h 25m1 stop Kastrup Copenhagen

£509Multiple Airlines

Thu, 5 Nov - Thu, 12 Nov

19:25 - 18:50ORD Chicago O'Hare Intl-STN London Stansted

17h 25m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

12:45 - 18:15STN London Stansted-ORD Chicago O'Hare Intl

35h 30m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

£512Multiple Airlines

Mon, 21 Sep - Tue, 29 Sep

19:25 - 18:50ORD Chicago O'Hare Intl-STN London Stansted

17h 25m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

12:45 - 18:15STN London Stansted-ORD Chicago O'Hare Intl

35h 30m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

£513Multiple Airlines

Mon, 21 Sep - Tue, 29 Sep

19:25 - 18:50ORD Chicago O'Hare Intl-STN London Stansted

17h 25m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

12:45 - 18:15STN London Stansted-ORD Chicago O'Hare Intl

35h 30m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

£515Multiple Airlines

Mon, 21 Sep - Tue, 29 Sep

19:15 - 21:10ORD Chicago O'Hare Intl-STN London Stansted

19h 55m1 stop Kastrup Copenhagen

08:15 - 16:45STN London Stansted-ORD Chicago O'Hare Intl

14h 30m1 stop Kastrup Copenhagen

£520Multiple Airlines

Fri, 23 Oct - Sun, 1 Nov

19:15 - 21:40ORD Chicago O'Hare Intl-STN London Stansted

20h 25m1 stop Kastrup Copenhagen

06:10 - 17:45STN London Stansted-ORD Chicago O'Hare Intl

16h 35m1 stop Kastrup Copenhagen

£520Multiple Airlines

Wed, 21 Oct - Wed, 28 Oct

19:15 - 23:15ORD Chicago O'Hare Intl-STN London Stansted

22h 00m1 stop Kastrup Copenhagen

08:15 - 16:45STN London Stansted-ORD Chicago O'Hare Intl

14h 30m1 stop Kastrup Copenhagen

£520Multiple Airlines

Fri, 6 Nov - Sun, 8 Nov

18:30 - 18:05ORD Chicago O'Hare Intl-STN London Stansted

17h 35m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

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

16h 00m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

£520Multiple Airlines

Tue, 1 Dec - Thu, 10 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

19:25 - 18:50ORD Chicago O'Hare Intl-STN London Stansted

17h 25m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

17:35 - 18:15STN London Stansted-ORD Chicago O'Hare Intl

30h 40m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

£674Multiple Airlines

Mon, 31 Aug - Thu, 3 Sep

19:25 - 16:50ORD Chicago O'Hare Intl-STN London Stansted

15h 25m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

06:20 - 18:15STN London Stansted-ORD Chicago O'Hare Intl

17h 55m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

£688Multiple Airlines

Mon, 31 Aug - Fri, 4 Sep

19:25 - 16:50ORD Chicago O'Hare Intl-STN London Stansted

15h 25m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

05:55 - 21:25STN London Stansted-ORD Chicago O'Hare Intl

21h 30m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

£691Multiple Airlines

Mon, 31 Aug - Sat, 5 Sep

21:00 - 23:20ORD Chicago O'Hare Intl-STN London Stansted

20h 20m1 stop Dublin

08:30 - 19:15STN London Stansted-ORD Chicago O'Hare Intl

16h 45m1 stop Dublin

£708Multiple Airlines

Wed, 2 Sep - Wed, 9 Sep

19:25 - 18:50ORD Chicago O'Hare Intl-STN London Stansted

17h 25m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

06:20 - 21:25STN London Stansted-ORD Chicago O'Hare Intl

21h 05m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

£709Multiple Airlines

Mon, 31 Aug - Fri, 4 Sep

21:00 - 19:35ORD Chicago O'Hare Intl-STN London Stansted

16h 35m1 stop Dublin

06:30 - 14:00STN London Stansted-ORD Chicago O'Hare Intl

13h 30m1 stop Dublin

£716Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

09:50 - 19:35ORD Chicago O'Hare Intl-STN London Stansted

27h 45m2 stops Toronto Pearson Intl Dublin

06:30 - 14:52STN London Stansted-ORD Chicago O'Hare Intl

14h 22m2 stops Dublin Montreal Pierre Elliott Trudeau Intl

£719Multiple Airlines

Tue, 1 Sep - Thu, 10 Sep

21:00 - 22:20ORD Chicago O'Hare Intl-STN London Stansted

19h 20m1 stop Dublin

06:30 - 19:15STN London Stansted-ORD Chicago O'Hare Intl

18h 45m1 stop Dublin

£721Multiple Airlines

Tue, 1 Sep - Thu, 10 Sep

14:40 - 23:20ORD Chicago O'Hare Intl-STN London Stansted

26h 40m2 stops Zurich Dublin

06:30 - 10:15STN London Stansted-ORD Chicago O'Hare Intl

33h 45m2 stops Dublin Montreal Pierre Elliott Trudeau Intl

£722Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

15:45 - 09:50ORD Chicago O'Hare Intl-STN London Stansted

12h 05m1 stop Dublin

20:50 - 16:00STN London Stansted-ORD Chicago O'Hare Intl

49h 10m2 stops Barcelona-El Prat Lisbon Humberto Delgado

£723Multiple Airlines

Wed, 2 Sep - Mon, 7 Sep

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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 Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Fri 13/11

20:10-23:50

2 stops21h 40m

London Stansted

Tue 17/11

10:25-15:30

2 stops35h 05m

£507

Fastest return journey

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Fri 4/12

19:15-15:55

1 stop14h 40m

London Stansted

Mon 7/12

06:45-16:45

1 stop16h 00m

£507

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Thu 5/11

19:15-21:55

1 stop20h 40m

London Stansted

Thu 12/11

07:20-16:45

1 stop15h 25m

£509

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Mon 21/9

19:25-18:50

2 stops17h 25m

London Stansted

Tue 29/9

12:45-18:15

2 stops35h 30m

£512

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Mon 21/9

19:25-18:50

2 stops17h 25m

London Stansted

Tue 29/9

12:45-18:15

2 stops35h 30m

£513

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Mon 21/9

19:25-18:50

2 stops17h 25m

London Stansted

Tue 29/9

12:45-18:15

2 stops35h 30m

£515

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Fri 23/10

19:15-21:10

1 stop19h 55m

London Stansted

Sun 1/11

08:15-16:45

1 stop14h 30m

£520

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Wed 21/10

19:15-21:40

1 stop20h 25m

London Stansted

Wed 28/10

06:10-17:45

1 stop16h 35m

£520

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Fri 6/11

19:15-23:15

1 stop22h 00m

London Stansted

Sun 8/11

08:15-16:45

1 stop14h 30m

£520

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Tue 1/12

18:30-18:05

2 stops17h 35m

London Stansted

Thu 10/12

07:20-17:20

2 stops16h 00m

£520

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 and Lufthansa are the most popular carriers 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

Best price found	£221
Fastest flight time	10h 05m
Direct flights	None

The best one-way flight to London Stansted Airport from Chicago in the past 72 hours is £221. The best return flight deal from Chicago to London Stansted Airport found on momondo in the last 72 hours is £507.

The fastest flight from Chicago to London Stansted Airport takes 10h 05m

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

Search flight deals

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 10h 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.

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Luton

Slough

Ipswich

Maidstone

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Hastings

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Guildford

Bedford

Harlow

Colchester

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.