What is the cheapest month to book a flight from London Stansted Airport to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from London Stansted Airport to Chicago O'Hare Intl Airport (average of £595). Flying from London Stansted Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

How far in advance should I book a flight from London Stansted Airport to Chicago O'Hare Intl Airport?

Users have found that booking a flight from London Stansted Airport to Chicago O'Hare Intl Airport at least 56 days early can save you up to 35% on average compared to booking a flight this week. If booking 56 days before your flight isn’t an option for you, users have found flights from London Stansted Airport to Chicago O'Hare Intl Airport for as little as £498 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £665 for flights departing within the next 3 days.

What is the cheapest month to fly from London Stansted Airport to Chicago O'Hare Intl Airport?

The best pricing can be found in the month of February. Prices to Chicago O'Hare Intl Airport from London Stansted Airport average £513. You can even find prices in February for less than £513, as users have found deals to Chicago O'Hare Intl Airport from as low as £315. The month of July appears to be one of the more expensive times to travel to Chicago O'Hare Intl Airport from London Stansted Airport. Flying in the targeted month can save you up to 24%.

What is the cheapest time of day to fly from STN to ORD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Stansted Airport to Chicago O'Hare Intl Airport as you normally would.

Can I find deals for flights from Stansted to O'Hare Intl that include hotel bookings?

Yes. In addition to deals on Stansted to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Stansted to O'Hare Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to O'Hare Intl.

Can I find deals for business class flights from Stansted to O'Hare Intl?

Yes. Cheapflights offers flight deals from Stansted to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£399+ Cheap Flights from London Stansted Airport to Chicago O'Hare Intl Airport

Cheap flight deals from Stansted to O'Hare Intl

Round-trip from	£415
One-way from	£399
Popular in	July
Cheapest in	February
Average price	£461

2/10-6/10
2 total stops
39h 25m total
London to Chicago

Search Deals

11/10
2 total stops
20h 45m total
London to Chicago

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£62 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Stansted to O'Hare Intl

Cheapest flights from Stansted to O'Hare Intl
Explore the most affordable flight options available from Stansted to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Mon 3/1108:30STN - ORD

1 stop11h 30mMultiple Airlines

Fri 7/1119:40ORD - STN

1 stop13h 10mMultiple Airlines

Deal found 12/9£400

Sat 8/1118:45STN - ORD

2 stops26h 00mMultiple Airlines

Sun 16/1120:25ORD - STN

2 stops20h 35mMultiple Airlines

Deal found 12/9£402

Thu 18/906:55STN - ORD

1 stop18h 05mMultiple Airlines

Sun 21/921:15ORD - STN

1 stop12h 15mMultiple Airlines

Deal found 10/9£409

Fri 19/922:50STN - ORD

1 stop21h 10mMultiple Airlines

Mon 22/921:15ORD - STN

1 stop12h 05mMultiple Airlines

Deal found 11/9£413

Thu 2/1022:55STN - ORD

1 stop21h 05mMultiple Airlines

Mon 6/1015:45ORD - STN

1 stop18h 20mMultiple Airlines

Deal found 11/9£415

Thu 30/1006:30STN - ORD

2 stops19h 35mMultiple Airlines

Tue 4/1118:50ORD - STN

2 stops20h 30mMultiple Airlines

Deal found 12/9£419

Thu 30/1013:45STN - ORD

2 stops33h 00mMultiple Airlines

Sun 2/1119:20ORD - STN

3 stops21h 40mMultiple Airlines

Deal found 10/9£421

Sat 1/1112:00STN - ORD

1 stop11h 55mMultiple Airlines

Thu 6/1119:40ORD - STN

1 stop18h 25mMultiple Airlines

Deal found 12/9£432

Best flights from Stansted to O'Hare Intl
Discover carefully curated flight deals from Stansted to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2025.

Thu 13/1106:15STN - ORD

2 stops17h 05mMultiple Airlines

Sun 16/1118:30ORD - STN

2 stops19h 35mMultiple Airlines

Deal found 12/9£413

Thu 30/1013:45STN - ORD

2 stops33h 00mMultiple Airlines

Sun 2/1119:20ORD - STN

3 stops21h 40mMultiple Airlines

Deal found 10/9£421

Thu 2/1022:55STN - ORD

1 stop21h 05mMultiple Airlines

Sat 11/1021:15ORD - STN

1 stop18h 00mMultiple Airlines

Deal found 10/9£444

Thu 6/1121:20STN - ORD

3 stops23h 35mMultiple Airlines

Sun 9/1112:50ORD - STN

2 stops18h 40mMultiple Airlines

Deal found 10/9£449

Wed 1/1013:55STN - ORD

2 stops28h 40mMultiple Airlines

Sun 5/1018:00ORD - STN

2 stops21h 45mMultiple Airlines

Deal found 11/9£465

Mon 20/1021:30STN - ORD

2 stops21h 25mMultiple Airlines

Tue 28/1015:35ORD - STN

2 stops14h 55mMultiple Airlines

Deal found 12/9£466

Wed 22/1018:10STN - ORD

2 stops24h 45mMultiple Airlines

Tue 28/1019:50ORD - STN

2 stops14h 15mMultiple Airlines

Deal found 11/9£470

Fri 17/1007:40STN - ORD

2 stops19h 35mMultiple Airlines

Sun 19/1019:25ORD - STN

2 stops20h 20mMultiple Airlines

Deal found 11/9£472

Thu 20/1118:15STN - ORD

2 stops27h 00mMultiple Airlines

Wed 3/1219:10ORD - STN

2 stops21h 05mMultiple Airlines

Deal found 12/9£483

Wed 3/1214:20STN - ORD

3 stops32h 25mMultiple Airlines

Mon 8/1219:20ORD - STN

2 stops20h 45mMultiple Airlines

Deal found 11/9£485

Thu 2/1017:50STN - ORD

2 stops28h 40mMultiple Airlines

Sun 5/1018:00ORD - STN

2 stops21h 45mMultiple Airlines

Deal found 10/9£502

Wed 29/1006:30STN - ORD

1 stop14h 30mMultiple Airlines

Wed 5/1119:10ORD - STN

1 stop18h 30mMultiple Airlines

Deal found 12/9£505

Last-minute flights from Stansted to O'Hare Intl
Discover last-minute flight deals from Stansted to O'Hare Intl. Data last updated 12 September 2025 and is based on user searches.

Thu 18/906:55STN - ORD

1 stop18h 05mMultiple Airlines

Sun 21/921:15ORD - STN

1 stop12h 15mMultiple Airlines

Deal found 10/9£409

Thu 18/917:50STN - ORD

2 stops26h 20mMultiple Airlines

Thu 25/916:15ORD - STN

2 stops24h 10mMultiple Airlines

Deal found 10/9£489

Thu 18/921:50STN - ORD

2 stops24h 40mMultiple Airlines

Thu 2/1009:55ORD - STN

3 stops27h 30mMultiple Airlines

Deal found 11/9£531

Fri 19/922:50STN - ORD

1 stop21h 10mMultiple Airlines

Mon 22/921:15ORD - STN

1 stop12h 05mMultiple Airlines

Deal found 11/9£413

Fri 19/922:20STN - ORD

2 stops20h 50mMultiple Airlines

Fri 26/915:00ORD - STN

2 stops18h 00mMultiple Airlines

Deal found 12/9£537

Fri 19/920:20STN - ORD

2 stops26h 10mMultiple Airlines

Thu 2/1009:55ORD - STN

3 stops27h 30mMultiple Airlines

Deal found 12/9£547

Mon 22/906:45STN - ORD

2 stops33h 06mMultiple Airlines

Mon 29/910:40ORD - STN

2 stops18h 00mMultiple Airlines

Deal found 11/9£552

One-way flights from Stansted to O'Hare Intl
Search for one-way flight options from Stansted to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 12 September 2025.

Sat 11/1006:15STN - ORD

2 stops20h 45mMultiple Airlines

Deal found 9/9£399

Fri 26/920:05STN - ORD

2 stops32h 06mMultiple Airlines

Deal found 11/9£402

Mon 5/106:30STN - ORD

3 stops39h 04mMultiple Airlines

Deal found 10/9£404

Mon 9/209:35STN - ORD

1 stop34h 55mMultiple Airlines

Deal found 10/9£405

Mon 22/908:00STN - ORD

2 stops31h 40mMultiple Airlines

Deal found 11/9£405

Thu 8/108:30STN - ORD

1 stop16h 45mMultiple Airlines

Deal found 10/9£408

Mon 27/1021:45STN - ORD

1 stop22h 15mMultiple Airlines

Deal found 10/9£411

Mon 29/1206:30STN - ORD

1 stop13h 30mMultiple Airlines

Deal found 10/9£413

Fri 10/1015:20STN - ORD

2 stops35h 40mMultiple Airlines

Deal found 11/9£418

Cheapflights Fare Finder

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

Thu 13/11

06:15-17:20

2 stops17h 05m

Chicago O'Hare Intl

Sun 16/11

18:30-20:05

2 stops19h 35m

£413

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 30/10

13:45-17:45

2 stops33h 00m

Chicago O'Hare Intl

Sun 2/11

19:20-23:00

3 stops21h 40m

£421

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 2/10

22:55-14:00

1 stop21h 05m

Chicago O'Hare Intl

Sat 11/10

21:15-21:15

1 stop18h 00m

£444

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 6/11

21:20-14:55

3 stops23h 35m

Chicago O'Hare Intl

Sun 9/11

12:50-13:30

2 stops18h 40m

£449

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 1/10

13:55-12:35

2 stops28h 40m

Chicago O'Hare Intl

Sun 5/10

18:00-21:45

2 stops21h 45m

£465

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 20/10

21:30-12:55

2 stops21h 25m

Chicago O'Hare Intl

Tue 28/10

15:35-11:30

2 stops14h 55m

£466

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 22/10

18:10-12:55

2 stops24h 45m

Chicago O'Hare Intl

Tue 28/10

19:50-15:05

2 stops14h 15m

£470

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 17/10

07:40-21:15

2 stops19h 35m

Chicago O'Hare Intl

Sun 19/10

19:25-21:45

2 stops20h 20m

£472

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 20/11

18:15-15:15

2 stops27h 00m

Chicago O'Hare Intl

Wed 3/12

19:10-22:15

2 stops21h 05m

£483

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 3/12

14:20-16:45

3 stops32h 25m

Chicago O'Hare Intl

Mon 8/12

19:20-22:05

2 stops20h 45m

£485

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 21 results

Best time to book a flight from Stansted to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Stansted with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from Stansted to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Stansted to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Stansted to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to O'Hare Intl.
Can I find deals for business class flights from Stansted to O'Hare Intl?
Yes. Cheapflights offers flight deals from Stansted to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Stansted Airport to Chicago O'Hare Intl Airport?
Currently, January is the cheapest month in which you can book a flight from London Stansted Airport to Chicago O'Hare Intl Airport (average of £595). Flying from London Stansted Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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How does Cheapflights help users find flights from Stansted to O'Hare Intl?

Cheapflights helps you search for flights from Stansted to O'Hare Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Stansted to O'Hare Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Stansted to O'Hare Intl.

Can Cheapflights find flights from Stansted to O'Hare Intl with no change fees?

Need flexible booking options for your flight to O'Hare Intl from Stansted? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Stansted to O'Hare Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to O'Hare Intl from Stansted today and book when prices fit your budget.

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Cheap flights from London Stansted Airport to Chicago O'Hare Intl Airport from £399

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Stansted to O'Hare Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Stansted to O'Hare Intl

Cheapest flights from Stansted to O'Hare IntlExplore the most affordable flight options available from Stansted to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Explore the most affordable flight options available from Stansted to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Stansted Airport to Chicago O'Hare Intl Airport that are best for you.

Best time to book a flight from Stansted to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Stansted with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Stansted to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Stansted to O'Hare Intl that include hotel bookings?

How can I find direct flights from Stansted to O'Hare Intl?

Can I find deals for business class flights from Stansted to O'Hare Intl?

What is the cheapest month to book a flight from London Stansted Airport to Chicago O'Hare Intl Airport?

Travelling to a place near Chicago O'Hare Intl Airport?

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Alternative routes for Stansted to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.

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How does Cheapflights help users find flights from Stansted to O'Hare Intl?

Why should you use Cheapflights to find cheap flight tickets from Stansted to O'Hare Intl?

Can Cheapflights find flights from Stansted to O'Hare Intl with no change fees?

Can Cheapflights notify me if prices for flights from Stansted to O'Hare Intl become cheaper?

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Cheapest flights from Stansted to O'Hare Intl
Explore the most affordable flight options available from Stansted to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.