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.

£225 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.

19:30 - 23:20ORD Chicago O'Hare Intl-STN London Stansted

22h 50m2 stops Reykjavik Keflavik Intl Dublin

08:40 - 17:20STN London Stansted-ORD Chicago O'Hare Intl

14h 40m2 stops Dublin Reykjavik Keflavik Intl

£525Multiple Airlines

Wed, 28 Oct - Wed, 4 Nov

19:25 - 20:30ORD Chicago O'Hare Intl-STN London Stansted

19h 05m2 stops Reykjavik Keflavik Intl Glasgow Intl

06:45 - 17:20STN London Stansted-ORD Chicago O'Hare Intl

16h 35m2 stops Dublin Reykjavik Keflavik Intl

£528Multiple Airlines

Tue, 20 Oct - Thu, 5 Nov

19:25 - 20:30ORD Chicago O'Hare Intl-STN London Stansted

19h 05m2 stops Reykjavik Keflavik Intl Glasgow Intl

07:55 - 17:20STN London Stansted-ORD Chicago O'Hare Intl

15h 25m2 stops Gdansk Rebiechowo Reykjavik Keflavik Intl

£531Multiple Airlines

Tue, 29 Sep - Tue, 2 Feb

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

20h 20m1 stop Dublin

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

13h 30m1 stop Dublin

£532Multiple Airlines

Thu, 8 Oct - Thu, 15 Oct

19:25 - 20:30ORD Chicago O'Hare Intl-STN London Stansted

19h 05m2 stops Reykjavik Keflavik Intl Glasgow Intl

06:35 - 17:20STN London Stansted-ORD Chicago O'Hare Intl

16h 45m2 stops Dublin Reykjavik Keflavik Intl

£533Multiple Airlines

Tue, 20 Oct - Sat, 5 Dec

21:00 - 19:30ORD Chicago O'Hare Intl-STN London Stansted

16h 30m1 stop Dublin

08:30 - 14:00STN London Stansted-ORD Chicago O'Hare Intl

11h 30m1 stop Dublin

£533Multiple Airlines

Wed, 30 Sep - Sat, 10 Oct

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

10h 05m1 stop Dublin

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

16h 45m1 stop Dublin

£535Multiple Airlines

Thu, 15 Oct - Tue, 20 Oct

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

12h 05m1 stop Dublin

10:35 - 19:20STN London Stansted-ORD Chicago O'Hare Intl

13h 45m1 stop Dublin

£536Multiple Airlines

Wed, 21 Oct - Sun, 25 Oct

15:45 - 18:20ORD Chicago O'Hare Intl-STN London Stansted

20h 35m2 stops Toronto Pearson Intl Barcelona-El Prat

20:50 - 12:35STN London Stansted-ORD Chicago O'Hare Intl

21h 45m2 stops Barcelona-El Prat Zurich

£537Multiple Airlines

Thu, 24 Sep - Mon, 28 Sep

20:05 - 15:35ORD Chicago O'Hare Intl-STN London Stansted

13h 30m1 stop Dublin

12:25 - 18:20STN London Stansted-ORD Chicago O'Hare Intl

11h 55m1 stop Dublin

£538Multiple Airlines

Thu, 5 Nov - Sun, 8 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:40 - 11:35ORD Chicago O'Hare Intl-STN London Stansted

13h 55m2 stops Montreal Pierre Elliott Trudeau Intl Dublin

06:30 - 14:55STN London Stansted-ORD Chicago O'Hare Intl

14h 25m2 stops Dublin Toronto Pearson Intl

£548Multiple Airlines

Wed, 16 Sep - Mon, 21 Sep

14:20 - 12:00ORD Chicago O'Hare Intl-STN London Stansted

15h 40m2 stops Zurich Barcelona-El Prat

07:45 - 20:12STN London Stansted-ORD Chicago O'Hare Intl

18h 27m2 stops Barcelona-El Prat Montreal Pierre Elliott Trudeau Intl

£605Multiple Airlines

Fri, 18 Sep - Wed, 23 Sep

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

12h 05m1 stop Dublin

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

13h 30m1 stop Dublin

£613Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

15:45 - 12:50ORD Chicago O'Hare Intl-STN London Stansted

15h 05m1 stop Dublin

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

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

£625Multiple Airlines

Mon, 14 Sep - Wed, 16 Sep

11:05 - 19:20ORD Chicago O'Hare Intl-STN London Stansted

26h 15m2 stops Montreal Pierre Elliott Trudeau Intl Dublin

08:30 - 12:35STN London Stansted-ORD Chicago O'Hare Intl

34h 05m2 stops Dublin Zurich

£633Multiple Airlines

Fri, 18 Sep - Mon, 21 Sep

14:20 - 12:00ORD Chicago O'Hare Intl-STN London Stansted

15h 40m2 stops Zurich Barcelona-El Prat

06:55 - 20:12STN London Stansted-ORD Chicago O'Hare Intl

19h 17m2 stops Barcelona-El Prat Montreal Pierre Elliott Trudeau Intl

£645Multiple Airlines

Fri, 18 Sep - Thu, 24 Sep

18:00 - 23:05ORD Chicago O'Hare Intl-STN London Stansted

23h 05m2 stops Lisbon Humberto Delgado Barcelona-El Prat

21:55 - 16:00STN London Stansted-ORD Chicago O'Hare Intl

24h 05m2 stops Barcelona-El Prat Lisbon Humberto Delgado

£646Multiple Airlines

Sun, 13 Sep - Thu, 17 Sep

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

10h 05m1 stop Dublin

06:20 - 14:55STN London Stansted-ORD Chicago O'Hare Intl

14h 35m1 stop Madrid Barajas

£650Multiple Airlines

Mon, 14 Sep - Thu, 28 Jan

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

10h 05m1 stop Dublin

06:20 - 14:55STN London Stansted-ORD Chicago O'Hare Intl

14h 35m1 stop Madrid Barajas

£653Multiple Airlines

Tue, 15 Sep - Thu, 28 Jan

15:45 - 19:00ORD Chicago O'Hare Intl-STN London Stansted

21h 15m2 stops Dublin Barcelona-El Prat

17:35 - 14:00STN London Stansted-ORD Chicago O'Hare Intl

26h 25m2 stops Barcelona-El Prat Dublin

£655Multiple Airlines

Tue, 15 Sep - Thu, 1 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 Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Wed 28/10

19:30-23:20

2 stops22h 50m

London Stansted

Wed 4/11

08:40-17:20

2 stops14h 40m

£525

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Tue 20/10

19:25-20:30

2 stops19h 05m

London Stansted

Thu 5/11

06:45-17:20

2 stops16h 35m

£528

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Tue 29/9

19:25-20:30

2 stops19h 05m

London Stansted

Tue 2/2

07:55-17:20

2 stops15h 25m

£531

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Thu 8/10

21:00-23:20

1 stop20h 20m

London Stansted

Thu 15/10

06:30-14:00

1 stop13h 30m

£532

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Tue 20/10

19:25-20:30

2 stops19h 05m

London Stansted

Sat 5/12

06:35-17:20

2 stops16h 45m

£533

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Wed 30/9

21:00-19:30

1 stop16h 30m

London Stansted

Sat 10/10

08:30-14:00

1 stop11h 30m

£533

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Thu 15/10

15:45-07:50

1 stop10h 05m

London Stansted

Tue 20/10

08:30-19:15

1 stop16h 45m

£535

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Wed 21/10

15:45-09:50

1 stop12h 05m

London Stansted

Sun 25/10

10:35-19:20

1 stop13h 45m

£536

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Thu 24/9

15:45-18:20

2 stops20h 35m

London Stansted

Mon 28/9

20:50-12:35

2 stops21h 45m

£537

Fastest return journey

ChicagoLondon

ORD Chicago O'Hare Intl - STN London Stansted

ORDSTN

Chicago O'Hare Intl

Thu 5/11

20:05-15:35

1 stop13h 30m

London Stansted

Sun 8/11

12:25-18:20

1 stop11h 55m

£538

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

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

Best price found	£225
Fastest flight time	9h 55m
Direct flights	None

The best one-way flight to London Stansted Airport from Chicago in the past 72 hours is £225. The best return flight deal from Chicago to London Stansted Airport found on momondo in the last 72 hours is £525.

The fastest flight from Chicago to London Stansted Airport takes 9h 55m

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 9h 55m.
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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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.