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Cheap flights from London Stansted Airport to Chicago O'Hare Intl Airport from £415

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
STN — ORD
20 Aug — 27 Aug1
1 adult

Cheap flight deals from Stansted to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Stansted (STN) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 August 2025.

Round-trip from

£423

One-way from

£415

Popular in

July

Cheapest in

February

Average price

£622
3/10-5/10
  • 3/10-5/10
  • 2 total stops
  • 28h 25m total
  • London to Chicago
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24/8
  • 24/8
  • 2 total stops
  • 29h 50m total
  • London to Chicago
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£60 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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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 15 August 2025.

Fri 3/1006:40STN - ORD
1 stop18h 20mMultiple Airlines
Sun 5/1015:45ORD - STN
1 stop10h 05mMultiple Airlines
Deal found 12/8£423
Fri 12/906:40STN - ORD
2 stops17h 35mMultiple Airlines
Tue 16/919:25ORD - STN
2 stops12h 55mMultiple Airlines
Deal found 14/8£428
Thu 4/906:55STN - ORD
1 stop13h 05mMultiple Airlines
Thu 11/921:15ORD - STN
1 stop12h 30mMultiple Airlines
Deal found 14/8£435
Wed 3/908:15STN - ORD
1 stop11h 45mMultiple Airlines
Wed 10/915:45ORD - STN
1 stop10h 05mMultiple Airlines
Deal found 14/8£437
Sat 13/906:35STN - ORD
1 stop13h 25mMultiple Airlines
Sun 21/921:15ORD - STN
1 stop18h 00mMultiple Airlines
Deal found 14/8£438
Tue 16/922:35STN - ORD
1 stop21h 25mMultiple Airlines
Tue 23/915:45ORD - STN
1 stop12h 25mMultiple Airlines
Deal found 13/8£446
Thu 4/922:55STN - ORD
2 stops23h 15mMultiple Airlines
Tue 9/911:13ORD - STN
3 stops23h 22mMultiple Airlines
Deal found 14/8£448
Thu 28/806:55STN - ORD
2 stops20h 20mMultiple Airlines
Sun 31/819:25ORD - STN
2 stops16h 35mMultiple Airlines
Deal found 14/8£449
Sat 6/921:15STN - ORD
2 stops24h 55mMultiple Airlines
Sun 21/918:00ORD - STN
2 stops23h 20mMultiple Airlines
Deal found 14/8£450
Thu 4/922:55STN - ORD
2 stops23h 15mMultiple Airlines
Mon 8/911:13ORD - STN
3 stops27h 47mMultiple Airlines
Deal found 14/8£451
Thu 16/1022:55STN - ORD
1 stop21h 05mMultiple Airlines
Sun 19/1015:45ORD - STN
1 stop11h 45mMultiple Airlines
Deal found 13/8£453

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to O'Hare Intl 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, Cheapflights users made 858,174 searches. Data last updated 15 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

Stansted

Fly to

O'Hare Intl

Route

Depart

Return

Price

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 3/10

06:40-19:00

1 stop18h 20m

Chicago O'Hare Intl

Sun 5/10

15:45-07:50

1 stop10h 05m

£423

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 12/9

06:40-18:15

2 stops17h 35m

Chicago O'Hare Intl

Tue 16/9

19:25-14:20

2 stops12h 55m

£428

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 1/11

21:45-16:00

2 stops23h 15m

Chicago O'Hare Intl

Wed 5/11

19:10-22:15

2 stops21h 05m

£435

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 4/9

06:55-14:00

1 stop13h 05m

Chicago O'Hare Intl

Thu 11/9

21:15-15:45

1 stop12h 30m

£435

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 3/9

08:15-14:00

1 stop11h 45m

Chicago O'Hare Intl

Wed 10/9

15:45-07:50

1 stop10h 05m

£437

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 12/9

08:15-14:00

1 stop11h 45m

Chicago O'Hare Intl

Fri 19/9

21:15-17:05

1 stop13h 50m

£437

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 4/9

08:15-14:00

1 stop11h 45m

Chicago O'Hare Intl

Mon 8/9

15:45-10:50

1 stop13h 05m

£437

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 13/9

06:35-14:00

1 stop13h 25m

Chicago O'Hare Intl

Sun 21/9

21:15-21:15

1 stop18h 00m

£438

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 3/9

18:25-12:35

2 stops24h 10m

Chicago O'Hare Intl

Tue 9/9

05:05-10:40

3 stops23h 35m

£442

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 16/9

22:35-14:00

1 stop21h 25m

Chicago O'Hare Intl

Tue 23/9

15:45-10:10

1 stop12h 25m

£446

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 22 results
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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

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?

    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

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

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Downers Grove
Elk Grove Village
Rosemont

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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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