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Cheap flights from London Stansted Airport to Chicago from £434

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 2/9. 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
06:30 - 16:57
STN
-
ORD
16h 27m
2 stops
Multiple Airlines Logo
15:45 - 21:20
ORD
-
STN
23h 35m
2 stops
£524Multiple Airlines
Thu, 25 Jun - Thu, 9 Jul
Multiple Airlines Logo
06:30 - 16:57
STN
-
ORD
16h 27m
2 stops
Multiple Airlines Logo
08:45 - 21:20
ORD
-
STN
30h 35m
3 stops
£525Multiple Airlines
Thu, 25 Jun - Thu, 9 Jul
Multiple Airlines Logo
22:45 - 16:57
STN
-
ORD
24h 12m
2 stops
Multiple Airlines Logo
14:15 - 23:20
ORD
-
STN
27h 05m
2 stops
£527Multiple Airlines
Wed, 1 Jul - Fri, 10 Jul
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
£530Multiple Airlines
Wed, 8 Jul - Thu, 30 Jul
Multiple Airlines Logo
06:30 - 16:57
STN
-
ORD
16h 27m
2 stops
Multiple Airlines Logo
15:45 - 21:55
ORD
-
STN
24h 10m
2 stops
£530Multiple Airlines
Thu, 2 Jul - Sun, 12 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
£531Multiple Airlines
Tue, 7 Jul - Tue, 28 Jul
Multiple Airlines Logo
22:45 - 22:05
STN
-
ORD
29h 20m
2 stops
Multiple Airlines Logo
22:25 - 20:30
ORD
-
STN
16h 05m
2 stops
£533Multiple Airlines
Wed, 8 Jul - Wed, 22 Jul
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
£533Multiple 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
£536Multiple Airlines
Tue, 1 Sep - Mon, 14 Sep
Multiple Airlines Logo
06:30 - 19:48
STN
-
ORD
19h 18m
2 stops
Multiple Airlines Logo
19:25 - 22:50
ORD
-
STN
21h 25m
2 stops
£537Multiple Airlines
Thu, 24 Sep - Mon, 28 Sep

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 30 May 2026.
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

Cheapest return flight

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 25/6

06:30-16:57

2 stops16h 27m

Chicago O'Hare Intl

Thu 9/7

15:45-21:20

2 stops23h 35m

£524

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 25/6

06:30-16:57

2 stops16h 27m

Chicago O'Hare Intl

Thu 9/7

08:45-21:20

3 stops30h 35m

£525

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 1/7

22:45-16:57

2 stops24h 12m

Chicago O'Hare Intl

Fri 10/7

14:15-23:20

2 stops27h 05m

£527

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

£530

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 2/7

06:30-16:57

2 stops16h 27m

Chicago O'Hare Intl

Sun 12/7

15:45-21:55

2 stops24h 10m

£530
Fastest return journey

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

£531

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 8/7

22:45-22:05

2 stops29h 20m

Chicago O'Hare Intl

Wed 22/7

22:25-20:30

2 stops16h 05m

£533

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

£533

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

£536

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 24/9

06:30-19:48

2 stops19h 18m

Chicago O'Hare Intl

Mon 28/9

19:25-22:50

2 stops21h 25m

£537

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 £654. 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 £678.

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 at midday when flights can be purchased for as low as £652. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the afternoon when prices are around £679.

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

Fastest flight time

13h 05m

Direct flights

None
The fastest flight from London Stansted Airport to Chicago O'Hare Intl Airport takes 13h 05m
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.
Search flight deals

Frequently asked questions about flying from London Stansted Airport to Chicago O'Hare Intl Airport

  • 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 13h 05m, 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
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Racine
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Willowbrook
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Lake Geneva
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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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