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Cheap flights from London Stansted Airport to Chicago from £433

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Stansted Airport to Chicago departing on 6/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from London Stansted Airport to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:05 - 17:20
STN
-
ORD
15h 15m
2 stops
Multiple Airlines Logo
18:30 - 21:55
ORD
-
STN
21h 25m
2 stops
£528Multiple Airlines
Thu, 12 Nov - Thu, 19 Nov
Multiple Airlines Logo
06:30 - 20:05
STN
-
ORD
19h 35m
3 stops
Multiple Airlines Logo
19:25 - 22:45
ORD
-
STN
21h 20m
2 stops
£529Multiple Airlines
Wed, 8 Jul - Thu, 30 Jul
Multiple Airlines Logo
06:30 - 16:57
STN
-
ORD
16h 27m
2 stops
Multiple Airlines Logo
22:25 - 22:40
ORD
-
STN
18h 15m
2 stops
£529Multiple Airlines
Tue, 7 Jul - Tue, 28 Jul
Multiple Airlines Logo
07:35 - 17:50
STN
-
ORD
16h 15m
2 stops
Multiple Airlines Logo
21:30 - 18:30
ORD
-
STN
15h 00m
1 stop
£530Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
15:55 - 16:00
STN
-
ORD
30h 05m
2 stops
Multiple Airlines Logo
22:25 - 22:50
ORD
-
STN
18h 25m
2 stops
£532Multiple Airlines
Tue, 9 Jun - Mon, 24 Aug
Multiple Airlines Logo
20:25 - 17:50
STN
-
ORD
27h 25m
2 stops
Multiple Airlines Logo
21:00 - 19:25
ORD
-
STN
16h 25m
1 stop
£535Multiple Airlines
Tue, 1 Sep - Mon, 14 Sep
Multiple Airlines Logo
19:00 - 17:50
STN
-
ORD
28h 50m
2 stops
Multiple Airlines Logo
21:00 - 22:20
ORD
-
STN
19h 20m
1 stop
£538Multiple Airlines
Wed, 9 Sep - Sun, 13 Sep
Multiple Airlines Logo
07:35 - 17:50
STN
-
ORD
16h 15m
2 stops
Multiple Airlines Logo
21:30 - 00:50
ORD
-
STN
21h 20m
1 stop
£539Multiple Airlines
Tue, 6 Oct - Mon, 12 Oct
Multiple Airlines Logo
20:25 - 17:50
STN
-
ORD
27h 25m
2 stops
Multiple Airlines Logo
15:45 - 07:50
ORD
-
STN
10h 05m
1 stop
£540Multiple Airlines
Tue, 1 Sep - Mon, 7 Sep
Multiple Airlines Logo
09:20 - 09:00
STN
-
ORD
29h 40m
3 stops
Multiple Airlines Logo
21:40 - 00:35
ORD
-
STN
20h 55m
2 stops
£541Multiple Airlines
Thu, 20 Aug - Mon, 24 Aug

momondo Fare Finder

 
Customise your flight search to find flights from London Stansted Airport to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 27 May 2026.
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

Cheapest return flight

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 12/11

08:05-17:20

2 stops15h 15m

Chicago O'Hare Intl

Thu 19/11

18:30-21:55

2 stops21h 25m

£528

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 8/7

06:30-20:05

3 stops19h 35m

Chicago O'Hare Intl

Thu 30/7

19:25-22:45

2 stops21h 20m

£529

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 7/7

06:30-16:57

2 stops16h 27m

Chicago O'Hare Intl

Tue 28/7

22:25-22:40

2 stops18h 15m

£529
Fastest return journey

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 8/9

07:35-17:50

2 stops16h 15m

Chicago O'Hare Intl

Tue 15/9

21:30-18:30

1 stop15h 00m

£530

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 9/6

15:55-16:00

2 stops30h 05m

Chicago O'Hare Intl

Mon 24/8

22:25-22:50

2 stops18h 25m

£532

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 1/9

20:25-17:50

2 stops27h 25m

Chicago O'Hare Intl

Mon 14/9

21:00-19:25

1 stop16h 25m

£535

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 9/9

19:00-17:50

2 stops28h 50m

Chicago O'Hare Intl

Sun 13/9

21:00-22:20

1 stop19h 20m

£538

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 6/10

07:35-17:50

2 stops16h 15m

Chicago O'Hare Intl

Mon 12/10

21:30-00:50

1 stop21h 20m

£539

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 1/9

20:25-17:50

2 stops27h 25m

Chicago O'Hare Intl

Mon 7/9

15:45-07:50

1 stop10h 05m

£540

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 20/8

09:20-09:00

3 stops29h 40m

Chicago O'Hare Intl

Mon 24/8

21:40-00:35

2 stops20h 55m

£541

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

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

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 Thursday when prices can be found for as low as £653. 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 Sunday, with ticket prices averaging around £677.

What is the cheapest time of day to depart on your flight to Chicago?

Flying to Chicago from London Stansted Airport at midday is the least expensive time of day to depart. momondo users have found prices as low as £651 when looking at flights departing at midday. Flights in the afternoon are often more expensive, with an average ticket price of £678.

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

16h 22m

Direct flights

None
The fastest flight from London Stansted Airport to Chicago takes 16h 22m
There are no direct flights from London Stansted Airport to Chicago. There are no popular flight routes from London Stansted Airport to Chicago.
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Frequently asked questions about flying from London Stansted Airport to Chicago

  • 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 16h 22m.

  • 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.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport