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Cheap flights from London Stansted Airport to Chicago O'Hare Intl Airport from £406

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
STN — ORD
30 Dec — 6 Jan1
1 adult
1 adult, Economy, 0 bags

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 30 November 2025.

Round-trip from

£447

One-way from

£406

Popular in

July

Cheapest in

February

Average price

£475
15/2-21/2
  • 15/2-21/2
  • 5 total stops
  • 55h 00m total
  • London to Chicago
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9/12
  • 9/12
  • 3 total stops
  • 37h 26m total
  • London to Chicago
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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 (£10 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find 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 30 November 2025.

Fri 5/1206:30STN - ORD
2 stops16h 50mMultiple Airlines
Sun 7/1218:30ORD - STN
2 stops16h 05mMultiple Airlines
Deal found 28/11£502
Sat 6/1212:00STN - ORD
1 stop11h 55mMultiple Airlines
Tue 9/1215:50ORD - STN
1 stop10h 00mMultiple Airlines
Deal found 28/11£502
Sat 6/1212:00STN - ORD
1 stop11h 55mMultiple Airlines
Sat 13/1219:40ORD - STN
1 stop9h 55mMultiple Airlines
Deal found 29/11£535
Tue 23/1206:00STN - ORD
1 stop14h 00mMultiple Airlines
Wed 31/1215:50ORD - STN
1 stop10h 00mMultiple Airlines
Deal found 28/11£544
Wed 3/1206:30STN - ORD
1 stop17h 25mMultiple Airlines
Sun 7/1215:50ORD - STN
1 stop12h 00mMultiple Airlines
Deal found 29/11£547
Thu 4/1213:45STN - ORD
2 stops33h 00mMultiple Airlines
Sun 7/1219:20ORD - STN
2 stops20h 00mMultiple Airlines
Deal found 28/11£564
Sat 27/1208:50STN - ORD
2 stops35h 30mMultiple Airlines
Wed 14/117:20ORD - STN
2 stops21h 35mMultiple Airlines
Deal found 28/11£570
Sat 6/1212:00STN - ORD
1 stop11h 55mMultiple Airlines
Thu 18/1219:40ORD - STN
1 stop14h 55mMultiple Airlines
Deal found 28/11£576
Tue 2/1206:30STN - ORD
1 stop13h 30mMultiple Airlines
Wed 10/1219:40ORD - STN
1 stop16h 10mMultiple Airlines
Deal found 29/11£577
Fri 5/1206:30STN - ORD
1 stop13h 30mMultiple Airlines
Tue 9/1215:50ORD - STN
1 stop10h 00mMultiple Airlines
Deal found 29/11£579

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 30 November 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

Sun 15/2

13:30-16:45

3 stops33h 15m

Chicago O'Hare Intl

Sat 21/2

19:20-23:05

2 stops21h 45m

£447

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 18/2

07:40-09:16

2 stops31h 36m

Chicago O'Hare Intl

Wed 25/2

21:00-22:50

1 stop19h 50m

£452

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 24/1

07:15-16:45

1 stop15h 30m

Chicago O'Hare Intl

Sat 31/1

19:20-15:25

1 stop14h 05m

£457

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 26/1

19:55-14:55

1 stop25h 00m

Chicago O'Hare Intl

Mon 2/2

16:38-16:55

2 stops18h 17m

£510

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 8/1

08:30-17:20

2 stops14h 50m

Chicago O'Hare Intl

Wed 21/1

18:30-22:50

2 stops22h 20m

£524

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 20/4

08:30-18:15

2 stops15h 45m

Chicago O'Hare Intl

Thu 23/4

19:25-23:20

3 stops21h 55m

£534

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 19/2

17:55-14:55

2 stops27h 00m

Chicago O'Hare Intl

Thu 5/3

21:00-20:05

1 stop17h 05m

£539

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 13/4

20:45-18:14

3 stops27h 29m

Chicago O'Hare Intl

Mon 20/4

19:25-23:20

3 stops21h 55m

£545

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 19/1

07:35-16:45

1 stop15h 10m

Chicago O'Hare Intl

Thu 22/1

10:40-11:00

2 stops18h 20m

£551

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 2/5

05:55-17:50

2 stops17h 55m

Chicago O'Hare Intl

Sat 9/5

15:45-07:50

1 stop10h 05m

£552

Flights are sorted by cheapest return flights first.

Deals found on 29/11

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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