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Cheap flights from London Stansted Airport to Chicago from $564

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 10/20. 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 round-trip flights

Logo
5:30 pm - 4:10 pmSTN-ORD
28h 40m3 stops
Logo
7:15 pm - 12:20 amORD-STN
23h 05m2 stops
$573
Find Deal
Sat, Oct 4 - Sat, Oct 11
Logo
10:45 am - 7:00 pmSTN-ORD
14h 15m1 stop
Logo
3:45 pm - 10:10 amORD-STN
12h 25m1 stop
$586
Find Deal
Tue, Sep 16 - Tue, Sep 23
Logo
6:40 am - 2:00 pmSTN-ORD
13h 20m1 stop
Logo
3:45 pm - 7:50 amORD-STN
10h 05m1 stop
$587
Find Deal
Fri, Sep 12 - Mon, Sep 15
Logo
8:45 am - 5:20 pmSTN-ORD
14h 35m2 stops
Logo
6:30 pm - 11:40 pmORD-STN
23h 10m2 stops
$591
Find Deal
Thu, Nov 6 - Thu, Nov 20
Logo
8:15 am - 2:00 pmSTN-ORD
11h 45m1 stop
Logo
4:50 pm - 7:50 amORD-STN
10h 00m1 stop
$606
Find Deal
Thu, Oct 23 - Mon, Oct 27
Logo
8:15 am - 2:00 pmSTN-ORD
11h 45m1 stop
Logo
4:50 pm - 9:50 amORD-STN
12h 00m1 stop
$607
Find Deal
Thu, Oct 23 - Tue, Oct 28
Logo
4:30 pm - 4:10 pmSTN-ORD
29h 40m3 stops
Logo
7:15 pm - 12:20 amORD-STN
23h 05m2 stops
$611
Find Deal
Sat, Oct 11 - Sat, Oct 18
Logo
7:55 am - 9:15 pmSTN-ORD
19h 20m2 stops
Logo
7:25 pm - 7:50 pmORD-STN
18h 25m2 stops
$613
Find Deal
Thu, Sep 18 - Wed, Oct 1
Logo
10:55 pm - 9:15 pmSTN-ORD
28h 20m2 stops
Logo
7:25 pm - 4:35 pmORD-STN
15h 10m2 stops
$621
Find Deal
Thu, Oct 16 - Tue, Oct 21
Logo
8:00 pm - 12:35 pmSTN-ORD
22h 35m2 stops
Logo
6:00 pm - 11:20 pmORD-STN
23h 20m2 stops
$624
Find Deal
Wed, Oct 1 - Sun, Oct 5

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated August 21, 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

Sat 10/4

5:30 pm-4:10 pm

3 stops28h 40m

Chicago O'Hare Intl

Sat 10/11

7:15 pm-12:20 am

2 stops23h 05m

$573

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 9/16

10:45 am-7:00 pm

1 stop14h 15m

Chicago O'Hare Intl

Tue 9/23

3:45 pm-10:10 am

1 stop12h 25m

$586

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 9/12

6:40 am-2:00 pm

1 stop13h 20m

Chicago O'Hare Intl

Mon 9/15

3:45 pm-7:50 am

1 stop10h 05m

$587

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 11/6

8:45 am-5:20 pm

2 stops14h 35m

Chicago O'Hare Intl

Thu 11/20

6:30 pm-11:40 pm

2 stops23h 10m

$591

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 10/23

8:15 am-2:00 pm

1 stop11h 45m

Chicago O'Hare Intl

Mon 10/27

4:50 pm-7:50 am

1 stop10h 00m

$606

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 10/23

8:15 am-2:00 pm

1 stop11h 45m

Chicago O'Hare Intl

Tue 10/28

4:50 pm-9:50 am

1 stop12h 00m

$607

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 10/11

4:30 pm-4:10 pm

3 stops29h 40m

Chicago O'Hare Intl

Sat 10/18

7:15 pm-12:20 am

2 stops23h 05m

$611

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 9/18

7:55 am-9:15 pm

2 stops19h 20m

Chicago O'Hare Intl

Wed 10/1

7:25 pm-7:50 pm

2 stops18h 25m

$613

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 10/16

10:55 pm-9:15 pm

2 stops28h 20m

Chicago O'Hare Intl

Tue 10/21

7:25 pm-4:35 pm

2 stops15h 10m

$621

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 10/1

8:00 pm-12:35 pm

2 stops22h 35m

Chicago O'Hare Intl

Sun 10/5

6:00 pm-11:20 pm

2 stops23h 20m

$624

Flights are sorted by cheapest round-trip 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 on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $774. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from London Stansted Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $903.

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

Flying to Chicago O'Hare Intl Airport from London Stansted Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $695 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $913. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 round-trip 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?

    London Stansted and Chicago O'Hare Intl are 3952.0 mi apart from one another. By plane, this route typically takes 11h 45m.

  • 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 necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Rockford
South Haven
Schaumburg
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Hammond
Tinley Park
Orland Park
Elgin
Aurora
Janesville
Benton Harbor

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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?

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?

Of course. momondo tracks the price of London to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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