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Cheap flights from London Stansted Airport to Chicago O'Hare Intl Airport from £400

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
STN — ORD
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to O'Hare Intl

Enter your travel dates to find the best prices.

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 16 December 2025.

Wed 24/1206:30STN - ORD
1 stop13h 30mMultiple Airlines
Wed 31/1215:50ORD - STN
1 stop10h 00mMultiple Airlines
Deal found 14/12£578
Wed 24/1207:35STN - ORD
2 stops18h 30mMultiple Airlines
Sun 11/116:20ORD - STN
2 stops16h 50mMultiple Airlines
Deal found 14/12£598
Tue 16/1214:30STN - ORD
2 stops30h 30mMultiple Airlines
Sat 31/107:20ORD - STN
3 stops20h 25mMultiple Airlines
Deal found 16/12£665
Fri 19/1206:30STN - ORD
1 stop13h 30mMultiple Airlines
Mon 22/1215:50ORD - STN
1 stop10h 00mMultiple Airlines
Deal found 15/12£716
Wed 24/1206:30STN - ORD
1 stop13h 30mMultiple Airlines
Tue 30/1219:40ORD - STN
1 stop17h 10mMultiple Airlines
Deal found 14/12£721
Wed 24/1206:30STN - ORD
1 stop13h 30mMultiple Airlines
Sun 28/1216:56ORD - STN
2 stops21h 09mMultiple Airlines
Deal found 14/12£723
Wed 24/1206:30STN - ORD
1 stop13h 30mMultiple Airlines
Thu 1/119:40ORD - STN
1 stop13h 10mMultiple Airlines
Deal found 14/12£733
Wed 24/1206:30STN - ORD
1 stop13h 30mMultiple Airlines
Mon 29/1215:50ORD - STN
1 stop10h 00mMultiple Airlines
Deal found 14/12£742

Find 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 16 December 2025.

Round-trip from

£490

One-way from

£400

Popular in

July

Cheapest in

February

Average price

£597
25/4-5/5
  • 25/4-5/5
  • 3 total stops
  • 36h 25m total
  • London to Chicago
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25/2
  • 25/2
  • 3 total stops
  • 45h 40m 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).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 16 December 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

Sat 7/2

07:15-16:45

1 stop15h 30m

Chicago O'Hare Intl

Sat 14/2

19:20-13:05

1 stop11h 45m

£495

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 13/2

08:30-17:20

2 stops14h 50m

Chicago O'Hare Intl

Wed 18/2

18:30-15:05

2 stops14h 35m

£500

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 31/1

07:15-16:45

1 stop15h 30m

Chicago O'Hare Intl

Sat 7/2

19:20-13:05

1 stop11h 45m

£502

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 28/1

06:00-16:45

1 stop16h 45m

Chicago O'Hare Intl

Wed 4/2

19:20-13:00

1 stop11h 40m

£504

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 13/4

08:15-16:10

1 stop13h 55m

Chicago O'Hare Intl

Mon 20/4

19:15-18:50

1 stop17h 35m

£504

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 29/1

12:00-19:15

1 stop13h 15m

Chicago O'Hare Intl

Thu 5/2

21:00-16:35

1 stop13h 35m

£508

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 22/1

13:45-19:15

1 stop11h 30m

Chicago O'Hare Intl

Thu 29/1

21:00-18:20

1 stop15h 20m

£508

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 6/2

06:30-17:20

2 stops16h 50m

Chicago O'Hare Intl

Sun 8/2

16:38-15:55

2 stops17h 17m

£508

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 22/1

13:45-19:15

1 stop11h 30m

Chicago O'Hare Intl

Mon 26/1

21:00-21:20

1 stop18h 20m

£508

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 12/1

08:30-19:15

1 stop16h 45m

Chicago O'Hare Intl

Mon 19/1

21:00-21:20

1 stop18h 20m

£508

Flights are sorted by cheapest return flights first.

Deals found on 13/12

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.

Cheapflights Insights

Everything you need to know about your flight from London Stansted Airport to Chicago O'Hare Intl Airport

How often are flights from London to Chicago delayed?

About 0% of weekly flights between London and Chicago have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for London to Chicago flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

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.

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

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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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