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Cheap flights from London Stansted Airport to Chicago from £419

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 20/10. 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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Find the cheapest flights from London Stansted Airport to Chicago (STN-ORD)

Cheap return flights

Logo
10:45 - 19:00STN-ORD
14h 15m1 stop
Logo
15:45 - 10:10ORD-STN
12h 25m1 stop
£435
Find Deal
Tue, 16 Sep - Tue, 23 Sep
Logo
06:55 - 14:00STN-ORD
13h 05m1 stop
Logo
15:45 - 10:50ORD-STN
13h 05m1 stop
£437
Find Deal
Thu, 4 Sep - Mon, 8 Sep
Logo
08:45 - 17:20STN-ORD
14h 35m2 stops
Logo
18:30 - 23:40ORD-STN
23h 10m2 stops
£439
Find Deal
Thu, 6 Nov - Thu, 20 Nov
Logo
06:35 - 14:00STN-ORD
13h 25m1 stop
Logo
21:15 - 21:15ORD-STN
18h 00m1 stop
£440
Find Deal
Sat, 27 Sep - Sun, 5 Oct
Logo
14:45 - 15:55STN-ORD
31h 10m2 stops
Logo
19:05 - 21:15ORD-STN
20h 10m2 stops
£442
Find Deal
Tue, 16 Sep - Tue, 23 Sep
Logo
13:10 - 19:00STN-ORD
11h 50m1 stop
Logo
21:15 - 14:20ORD-STN
11h 05m1 stop
£445
Find Deal
Thu, 16 Oct - Mon, 20 Oct
Logo
09:45 - 19:00STN-ORD
15h 15m1 stop
Logo
15:45 - 10:35ORD-STN
12h 50m1 stop
£446
Find Deal
Sun, 5 Oct - Sun, 12 Oct
Logo
06:35 - 14:00STN-ORD
13h 25m1 stop
Logo
15:45 - 07:50ORD-STN
10h 05m1 stop
£447
Find Deal
Sat, 13 Sep - Sun, 14 Sep
Logo
13:10 - 19:00STN-ORD
11h 50m1 stop
Logo
15:45 - 09:30ORD-STN
11h 45m1 stop
£449
Find Deal
Thu, 2 Oct - Sun, 5 Oct
Logo
13:10 - 19:00STN-ORD
11h 50m1 stop
Logo
15:45 - 07:50ORD-STN
10h 05m1 stop
£450
Find Deal
Thu, 2 Oct - Thu, 9 Oct

momondo Fare Finder

 
Customise your flight search to find flights from London Stansted Airport to Chicago O'Hare Intl Airport 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 21 August 2025.
Use the filters below to find and compare flights from London Stansted Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 16/9

10:45-19:00

1 stop14h 15m

Chicago O'Hare Intl

Tue 23/9

15:45-10:10

1 stop12h 25m

£435

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 4/9

06:55-14:00

1 stop13h 05m

Chicago O'Hare Intl

Mon 8/9

15:45-10:50

1 stop13h 05m

£437

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 6/11

08:45-17:20

2 stops14h 35m

Chicago O'Hare Intl

Thu 20/11

18:30-23:40

2 stops23h 10m

£439

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 27/9

06:35-14:00

1 stop13h 25m

Chicago O'Hare Intl

Sun 5/10

21:15-21:15

1 stop18h 00m

£440

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 16/9

14:45-15:55

2 stops31h 10m

Chicago O'Hare Intl

Tue 23/9

19:05-21:15

2 stops20h 10m

£442

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 16/10

13:10-19:00

1 stop11h 50m

Chicago O'Hare Intl

Mon 20/10

21:15-14:20

1 stop11h 05m

£445

LondonChicago

STN - ORD

STNORD

London Stansted

Sun 5/10

09:45-19:00

1 stop15h 15m

Chicago O'Hare Intl

Sun 12/10

15:45-10:35

1 stop12h 50m

£446

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 13/9

06:35-14:00

1 stop13h 25m

Chicago O'Hare Intl

Sun 14/9

15:45-07:50

1 stop10h 05m

£447

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 2/10

13:10-19:00

1 stop11h 50m

Chicago O'Hare Intl

Sun 5/10

15:45-09:30

1 stop11h 45m

£449

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 2/10

13:10-19:00

1 stop11h 50m

Chicago O'Hare Intl

Thu 9/10

15:45-07:50

1 stop10h 05m

£450

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 O'Hare Intl 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 day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart from London Stansted Airport to Chicago O'Hare Intl Airport is on a Wednesday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Wednesday will often find tickets for as low as £599. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Chicago O'Hare Intl Airport on Sunday is £657.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest time of day to fly to Chicago O'Hare Intl Airport is in the evening when flights can be purchased for as low as £564. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the afternoon when prices are around £663.

When to book flights from London Stansted Airport to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Stansted Airport to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Stansted Airport to Chicago O'Hare Intl Airport (STN to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Stansted Airport to Chicago O'Hare Intl Airport

Direct flights

None
There are no direct flights from London Stansted Airport to Chicago O'Hare Intl Airport. There are no popular flight routes from London Stansted Airport to Chicago O'Hare Intl Airport.
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  • How far is London Stansted to Chicago O'Hare Intl by plane?

    Chicago O'Hare Intl is 3952.0 mi away from London Stansted. Flights usually cover this in 11h 30m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Stansted Airport to Chicago O'Hare Intl Airport?

    Prices for flights from London Stansted Airport to Chicago O'Hare Intl Airport were last updated today.

  • How old do you have to be to fly from London Stansted Airport to Chicago O'Hare Intl 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 London Stansted Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Racine
Evanston
Northbrook
Schaumburg
Lake Geneva
Lincolnshire
Glenview
Oak Brook
Joliet
Oak Park
Elgin
Rosemont

Why use momondo?

Why should I use momondo to find a flight deal from London to Chicago?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Chicago for you.

Can I find flights from London to Chicago with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Chicago flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Chicago?

Once all potential London to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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