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Cheap flights from London Stansted Airport to Chicago from £346

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 15/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
08:15 - 17:50
STN
-
ORD
15h 35m
2 stops
Multiple Airlines Logo
19:25 - 17:35
ORD
-
STN
16h 10m
2 stops
£423Multiple Airlines
Wed, 22 Apr - Mon, 27 Apr
Multiple Airlines Logo
08:15 - 17:50
STN
-
ORD
15h 35m
2 stops
Multiple Airlines Logo
19:25 - 00:40
ORD
-
STN
23h 15m
3 stops
£445Multiple Airlines
Wed, 22 Apr - Mon, 27 Apr
Multiple Airlines Logo
13:30 - 19:15
STN
-
ORD
11h 45m
1 stop
Multiple Airlines Logo
21:00 - 17:50
ORD
-
STN
14h 50m
1 stop
£452Multiple Airlines
Sat, 28 Feb - Wed, 4 Mar
Multiple Airlines Logo
20:55 - 17:50
STN
-
ORD
26h 55m
2 stops
Multiple Airlines Logo
15:45 - 07:50
ORD
-
STN
10h 05m
1 stop
£456Multiple Airlines
Sat, 2 May - Tue, 12 May
Multiple Airlines Logo
16:30 - 16:10
STN
-
ORD
29h 40m
3 stops
Multiple Airlines Logo
19:15 - 21:20
ORD
-
STN
20h 05m
2 stops
£457Multiple Airlines
Fri, 17 Apr - Wed, 22 Apr
Multiple Airlines Logo
06:25 - 18:15
STN
-
ORD
17h 50m
2 stops
Multiple Airlines Logo
19:25 - 22:05
ORD
-
STN
20h 40m
2 stops
£459Multiple Airlines
Wed, 8 Apr - Wed, 22 Apr
Multiple Airlines Logo
06:30 - 18:15
STN
-
ORD
17h 45m
2 stops
Multiple Airlines Logo
19:25 - 22:05
ORD
-
STN
20h 40m
2 stops
£469Multiple Airlines
Mon, 13 Apr - Wed, 22 Apr
Multiple Airlines Logo
06:30 - 18:15
STN
-
ORD
17h 45m
2 stops
Multiple Airlines Logo
19:25 - 21:20
ORD
-
STN
19h 55m
2 stops
£470Multiple Airlines
Tue, 14 Apr - Tue, 21 Apr
Multiple Airlines Logo
06:30 - 18:15
STN
-
ORD
17h 45m
2 stops
Multiple Airlines Logo
19:25 - 21:35
ORD
-
STN
20h 10m
3 stops
£471Multiple Airlines
Tue, 14 Apr - Tue, 21 Apr
Multiple Airlines Logo
06:30 - 18:15
STN
-
ORD
17h 45m
2 stops
Multiple Airlines Logo
19:25 - 22:05
ORD
-
STN
20h 40m
2 stops
£472Multiple Airlines
Mon, 13 Apr - Wed, 22 Apr

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 16 February 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

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 22/4

08:15-17:50

2 stops15h 35m

Chicago O'Hare Intl

Mon 27/4

19:25-17:35

2 stops16h 10m

£423

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 22/4

08:15-17:50

2 stops15h 35m

Chicago O'Hare Intl

Mon 27/4

19:25-00:40

3 stops23h 15m

£445

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 28/2

13:30-19:15

1 stop11h 45m

Chicago O'Hare Intl

Wed 4/3

21:00-17:50

1 stop14h 50m

£452

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 2/5

20:55-17:50

2 stops26h 55m

Chicago O'Hare Intl

Tue 12/5

15:45-07:50

1 stop10h 05m

£456

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 17/4

16:30-16:10

3 stops29h 40m

Chicago O'Hare Intl

Wed 22/4

19:15-21:20

2 stops20h 05m

£457

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 8/4

06:25-18:15

2 stops17h 50m

Chicago O'Hare Intl

Wed 22/4

19:25-22:05

2 stops20h 40m

£459

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 13/4

06:30-18:15

2 stops17h 45m

Chicago O'Hare Intl

Wed 22/4

19:25-22:05

2 stops20h 40m

£469

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 14/4

06:30-18:15

2 stops17h 45m

Chicago O'Hare Intl

Tue 21/4

19:25-21:20

2 stops19h 55m

£470

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 14/4

06:30-18:15

2 stops17h 45m

Chicago O'Hare Intl

Tue 21/4

19:25-21:35

3 stops20h 10m

£471

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 13/4

06:30-18:15

2 stops17h 45m

Chicago O'Hare Intl

Wed 22/4

19:25-22:05

2 stops20h 40m

£472

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 Wednesday when prices can be found for as low as £610. 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 Saturday, with ticket prices averaging around £648.

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 £625 when looking at flights departing at midday. Flights in the afternoon are often more expensive, with an average ticket price of £658.

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

13h 30m

Direct flights

None
The fastest flight from London Stansted Airport to Chicago takes 13h 30m
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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  • 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 13h 30m.

  • 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