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.

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.

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.

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

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.

21:00 - 14:05ORD Chicago O'Hare Intl-STN London Stansted

11h 05m1 stop Dublin

12:45 - 19:15STN London Stansted-ORD Chicago O'Hare Intl

12h 30m1 stop Dublin

£484Multiple Airlines

Mon, 4 Jan - Wed, 13 Jan

22:25 - 20:20ORD Chicago O'Hare Intl-STN London Stansted

15h 55m2 stops Reykjavik Keflavik Intl Glasgow Intl

06:35 - 19:15STN London Stansted-ORD Chicago O'Hare Intl

18h 40m1 stop Dublin

£486Multiple Airlines

Wed, 16 Sep - Sun, 20 Sep

22:25 - 06:45ORD Chicago O'Hare Intl-STN London Stansted

26h 20m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

22:45 - 14:00STN London Stansted-ORD Chicago O'Hare Intl

21h 15m1 stop Dublin

£487Multiple Airlines

Sun, 20 Sep - Mon, 5 Oct

21:00 - 14:05ORD Chicago O'Hare Intl-STN London Stansted

11h 05m1 stop Dublin

12:10 - 19:15STN London Stansted-ORD Chicago O'Hare Intl

13h 05m1 stop Dublin

£490Multiple Airlines

Mon, 4 Jan - Thu, 14 Jan

15:55 - 07:50ORD Chicago O'Hare Intl-STN London Stansted

9h 55m1 stop Dublin

06:45 - 14:10STN London Stansted-ORD Chicago O'Hare Intl

13h 25m1 stop Dublin

£490Multiple Airlines

Fri, 20 Nov - Fri, 27 Nov

19:30 - 07:50ORD Chicago O'Hare Intl-STN London Stansted

31h 20m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

06:30 - 15:00STN London Stansted-ORD Chicago O'Hare Intl

13h 30m1 stop Dublin

£494Multiple Airlines

Sun, 25 Oct - Sun, 1 Nov

18:30 - 22:45ORD Chicago O'Hare Intl-STN London Stansted

22h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl

11:50 - 18:25STN London Stansted-ORD Chicago O'Hare Intl

12h 35m1 stop Dublin

£495Multiple Airlines

Sat, 5 Dec - Sat, 12 Dec

18:30 - 15:55ORD Chicago O'Hare Intl-STN London Stansted

15h 25m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

19:10 - 17:20STN London Stansted-ORD Chicago O'Hare Intl

28h 10m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

£495Multiple Airlines

Fri, 27 Nov - Sat, 5 Dec

22:25 - 00:50ORD Chicago O'Hare Intl-STN London Stansted

20h 25m2 stops Reykjavik Keflavik Intl Oslo Gardermoen

06:50 - 18:15STN London Stansted-ORD Chicago O'Hare Intl

17h 25m2 stops Oslo Gardermoen Reykjavik Keflavik Intl

£496Multiple Airlines

Fri, 16 Oct - Fri, 23 Oct

19:25 - 00:20ORD Chicago O'Hare Intl-STN London Stansted

22h 55m2 stops Reykjavik Keflavik Intl Oslo Gardermoen

07:05 - 18:15STN London Stansted-ORD Chicago O'Hare Intl

17h 10m2 stops Oslo Gardermoen Reykjavik Keflavik Intl

£498Multiple Airlines

Mon, 5 Oct - Tue, 13 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

22:25 - 19:55ORD Chicago O'Hare Intl-STN London Stansted

15h 30m2 stops Reykjavik Keflavik Intl Oslo Gardermoen

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

21h 30m2 stops Oslo Gardermoen Reykjavik Keflavik Intl

£627Multiple Airlines

Sun, 23 Aug - Sun, 30 Aug

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

12h 05m1 stop Dublin

15:50 - 19:15STN London Stansted-ORD Chicago O'Hare Intl

33h 25m2 stops Milltown (Kerry) Dublin

£641Multiple Airlines

Sun, 23 Aug - Sun, 30 Aug

16:40 - 20:20ORD Chicago O'Hare Intl-STN London Stansted

21h 40m2 stops Lisbon Humberto Delgado Madrid Barajas

08:20 - 12:40STN London Stansted-ORD Chicago O'Hare Intl

34h 20m2 stops Madrid Barajas Lisbon Humberto Delgado

£644Multiple Airlines

Wed, 26 Aug - Wed, 2 Sep

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

15h 25m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

08:15 - 21:25STN London Stansted-ORD Chicago O'Hare Intl

19h 10m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

£657Multiple Airlines

Mon, 24 Aug - Mon, 31 Aug

19:25 - 21:55ORD Chicago O'Hare Intl-STN London Stansted

20h 30m2 stops Reykjavik Keflavik Intl Glasgow Intl

20:45 - 16:00STN London Stansted-ORD Chicago O'Hare Intl

25h 15m2 stops Madrid Barajas Lisbon Humberto Delgado

£659Multiple Airlines

Sun, 23 Aug - Thu, 27 Aug

22:25 - 00:20ORD Chicago O'Hare Intl-STN London Stansted

19h 55m2 stops Reykjavik Keflavik Intl Oslo Gardermoen

15:25 - 16:05STN London Stansted-ORD Chicago O'Hare Intl

30h 40m2 stops Madrid Barajas Lisbon Humberto Delgado

£682Multiple Airlines

Mon, 24 Aug - Fri, 28 Aug

15:45 - 07:50ORD Chicago O'Hare Intl-STN London Stansted

10h 05m1 stop Dublin

18:20 - 12:40STN London Stansted-ORD Chicago O'Hare Intl

24h 20m2 stops Barcelona-El Prat Lisbon Humberto Delgado

£698Multiple Airlines

Tue, 25 Aug - Wed, 2 Sep

19:25 - 19:55ORD Chicago O'Hare Intl-STN London Stansted

18h 30m2 stops Reykjavik Keflavik Intl Oslo Gardermoen

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

21h 30m2 stops Oslo Gardermoen Reykjavik Keflavik Intl

£699Multiple Airlines

Sun, 23 Aug - Sun, 30 Aug

19:25 - 15:40ORD Chicago O'Hare Intl-STN London Stansted

14h 15m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen

07:10 - 21:25STN London Stansted-ORD Chicago O'Hare Intl

20h 15m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl

£714Multiple Airlines

Sun, 23 Aug - Tue, 1 Sep

22:25 - 11:45ORD Chicago O'Hare Intl-STN London Stansted

31h 20m2 stops Reykjavik Keflavik Intl Oslo Gardermoen

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

13h 30m1 stop Dublin

£714Multiple Airlines

Sun, 23 Aug - Thu, 27 Aug

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

momondo Fare Finder

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

Mon 4/1

21:00-14:05

1 stop11h 05m

London Stansted

Wed 13/1

12:45-19:15

1 stop12h 30m

£484

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Wed 16/9

22:25-20:20

2 stops15h 55m

London Stansted

Sun 20/9

06:35-19:15

1 stop18h 40m

£486

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Sun 20/9

22:25-06:45

2 stops26h 20m

London Stansted

Mon 5/10

22:45-14:00

1 stop21h 15m

£487

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Mon 4/1

21:00-14:05

1 stop11h 05m

London Stansted

Thu 14/1

12:10-19:15

1 stop13h 05m

£490

Fastest return journey

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Fri 20/11

15:55-07:50

1 stop9h 55m

London Stansted

Fri 27/11

06:45-14:10

1 stop13h 25m

£490

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Sun 25/10

19:30-07:50

2 stops31h 20m

London Stansted

Sun 1/11

06:30-15:00

1 stop13h 30m

£494

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Sat 5/12

18:30-22:45

2 stops22h 15m

London Stansted

Sat 12/12

11:50-18:25

1 stop12h 35m

£495

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Fri 27/11

18:30-15:55

2 stops15h 25m

London Stansted

Sat 5/12

19:10-17:20

2 stops28h 10m

£495

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Fri 16/10

22:25-00:50

2 stops20h 25m

London Stansted

Fri 23/10

06:50-18:15

2 stops17h 25m

£496

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Mon 5/10

19:25-00:20

2 stops22h 55m

London Stansted

Tue 13/10

07:05-18:15

2 stops17h 10m

£498

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?

Lufthansa 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

Best price found	£227
Fastest flight time	11h 40m
Direct flights	None

The best one-way flight to London Stansted Airport from Chicago in the past 72 hours is £227. The best return flight deal from Chicago to London Stansted Airport found on momondo in the last 72 hours is £484.

The fastest flight from Chicago to London Stansted Airport takes 11h 40m

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 11h 40m.
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

Hastings

Ilford

Canterbury

Chichester

Hayes

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.