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Cheap flights from London Stansted Airport to Chicago O'Hare Intl Airport from £343

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
STN — ORD
28 Feb — 7 Mar1
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 29 January 2026.

Tue 24/221:20
STN
-
ORD
2 stops22h 05m
Multiple Airlines
Tue 3/316:05
ORD
-
STN
2 stops22h 25m
Multiple Airlines
Deal found 27/1£406
Wed 25/214:45
STN
-
ORD
2 stops32h 00m
Multiple Airlines
Wed 4/319:20
ORD
-
STN
2 stops21h 30m
Multiple Airlines
Deal found 28/1£411
Sun 15/306:15
STN
-
ORD
2 stops19h 50m
Multiple Airlines
Sun 22/317:05
ORD
-
STN
2 stops26h 45m
Multiple Airlines
Deal found 29/1£431
Thu 9/406:30
STN
-
ORD
2 stops17h 15m
Multiple Airlines
Fri 17/419:25
ORD
-
STN
3 stops21h 55m
Multiple Airlines
Deal found 28/1£452
Sat 7/212:00
STN
-
ORD
1 stop13h 15m
Multiple Airlines
Sat 14/221:00
ORD
-
STN
1 stop18h 20m
Multiple Airlines
Deal found 28/1£452
Thu 16/406:30
STN
-
ORD
2 stops18h 55m
Multiple Airlines
Thu 30/419:25
ORD
-
STN
2 stops21h 30m
Multiple Airlines
Deal found 26/1£462
Wed 1/407:00
STN
-
ORD
2 stops16h 50m
Multiple Airlines
Mon 13/421:30
ORD
-
STN
2 stops15h 20m
Multiple Airlines
Deal found 27/1£467
Thu 5/216:30
STN
-
ORD
2 stops30h 15m
Multiple Airlines
Wed 18/219:20
ORD
-
STN
2 stops21h 30m
Multiple Airlines
Deal found 27/1£469
Wed 1/416:05
STN
-
ORD
2 stops31h 45m
Multiple Airlines
Sun 12/419:25
ORD
-
STN
2 stops15h 50m
Multiple Airlines
Deal found 27/1£470

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 29 January 2026.

Round-trip from

£406

One-way from

£343

Popular in

July

Cheapest in

February

Average price

£452
24/2-3/3
  • 24/2-3/3
  • 4 total stops
  • 44h 30m total
  • London to Chicago
Search Deals
5/2
  • 5/2
  • 3 total stops
  • 44h 12m 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 January 2026
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 29 January 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

Stansted

Fly to

O'Hare Intl

Route

Depart

Return

Price

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 2/3

11:40-19:55

1 stop14h 15m

Chicago O'Hare Intl

Mon 16/3

22:55-19:45

2 stops15h 50m

£521

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 14/2

06:30-16:45

2 stops16h 15m

Chicago O'Hare Intl

Thu 19/2

19:20-23:20

2 stops22h 00m

£534

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 29/4

06:30-17:45

2 stops17h 15m

Chicago O'Hare Intl

Wed 20/5

19:25-16:30

2 stops15h 05m

£538

LondonChicago

STN - ORD

STNORD

London Stansted

Sun 15/3

08:15-18:29

2 stops39h 14m

Chicago O'Hare Intl

Sun 22/3

16:50-07:50

1 stop10h 00m

£566

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 20/5

08:30-21:25

2 stops18h 55m

Chicago O'Hare Intl

Wed 27/5

15:45-07:50

1 stop10h 05m

£576

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 22/5

18:15-19:15

2 stops31h 00m

Chicago O'Hare Intl

Mon 25/5

21:00-14:40

1 stop11h 40m

£586

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 23/2

07:35-16:45

1 stop15h 10m

Chicago O'Hare Intl

Fri 27/2

19:20-15:15

1 stop13h 55m

£592

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 2/7

17:45-09:40

1 stop21h 55m

Chicago O'Hare Intl

Sat 11/7

20:10-09:55

1 stop31h 45m

£605

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 20/4

10:50-18:15

1 stop37h 25m

Chicago O'Hare Intl

Mon 11/5

20:10-16:50

1 stop38h 40m

£618

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 29/4

06:15-09:40

1 stop33h 25m

Chicago O'Hare Intl

Wed 6/5

20:10-22:10

1 stop20h 00m

£620

Flights are sorted by cheapest return flights first.

Deals found on 28/1

Showing 1-10 of 20 results
1
2

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.

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
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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