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Cheap flights from London Stansted Airport to Illinois from £322

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 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
STN — ORD
3 Jul — 10 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Stansted to Illinois
Explore the most affordable flight options available from Stansted to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 June 2026.

Fri 25/906:40
STN
-
ORD
2 stops17h 10m
Multiple Airlines
Mon 28/921:30
ORD
-
STN
1 stop21h 20m
Multiple Airlines
Deal found 30/5£529
Thu 17/906:30
STN
-
ORD
2 stops19h 18m
Multiple Airlines
Thu 24/909:50
ORD
-
STN
2 stops29h 30m
Multiple Airlines
Deal found 29/5£529
Tue 18/806:30
STN
-
ORD
3 stops19h 35m
Multiple Airlines
Tue 1/915:45
ORD
-
STN
2 stops24h 55m
Multiple Airlines
Deal found 31/5£532
Sat 29/806:35
STN
-
ORD
3 stops19h 30m
Multiple Airlines
Sat 5/919:25
ORD
-
STN
2 stops21h 50m
Multiple Airlines
Deal found 1/6£535
Fri 28/822:00
STN
-
ORD
3 stops28h 05m
Multiple Airlines
Mon 7/922:25
ORD
-
STN
2 stops18h 25m
Multiple Airlines
Deal found 1/6£536
Thu 26/1108:05
STN
-
ORD
2 stops15h 15m
Multiple Airlines
Wed 2/1218:30
ORD
-
STN
2 stops16h 30m
Multiple Airlines
Deal found 1/6£537
Tue 25/806:30
STN
-
ORD
2 stops16h 27m
Multiple Airlines
Tue 25/822:25
ORD
-
STN
2 stops18h 15m
Multiple Airlines
Deal found 31/5£539
Tue 30/606:30
STN
-
ORD
2 stops16h 27m
Multiple Airlines
Tue 7/719:25
ORD
-
STN
2 stops22h 45m
Multiple Airlines
Deal found 1/6£540
Tue 25/808:30
STN
-
ORD
2 stops17h 22m
Multiple Airlines
Sun 30/817:35
ORD
-
STN
2 stops22h 20m
Multiple Airlines
Deal found 28/5£541
Fri 28/806:35
STN
-
ORD
2 stops19h 17m
Multiple Airlines
Tue 8/914:15
ORD
-
STN
2 stops17h 10m
Multiple Airlines
Deal found 31/5£543
Wed 19/822:45
STN
-
ORD
2 stops24h 12m
Multiple Airlines
Wed 16/919:25
ORD
-
STN
2 stops19h 05m
Multiple Airlines
Deal found 31/5£544
Mon 13/722:25
STN
-
STL
3 stops27h 57m
Multiple Airlines
Mon 27/708:55
STL
-
STN
2 stops27h 55m
Multiple Airlines
Deal found 31/5£748

Find flight deals from Stansted to Illinois

Keep the following information in mind while searching for Stansted to Illinois flight deals. Data was last updated 3 June 2026.

Round-trip from

£529

One-way from

£322

Popular in

July

Cheapest in

February

Average price

£565
25/9-28/9
  • 25/9-28/9
  • 3 total stops
  • 38h 30m total
  • London to Illinois
Search Deals
30/8
  • 30/8
  • 3 total stops
  • 19h 37m total
  • London to Illinois
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£54 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 June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to Illinois 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 3 June 2026.
Use the filters below to find and compare flights from London Stansted Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 11/11

08:40-17:20

2 stops14h 40m

Chicago O'Hare Intl

Fri 13/11

18:30-23:15

2 stops22h 45m

£627

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 6/10

06:55-18:15

1 stop17h 20m

Chicago O'Hare Intl

Mon 12/10

11:25-22:10

1 stop28h 45m

£673

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 30/9

06:55-09:40

1 stop32h 45m

Chicago O'Hare Intl

Sat 10/10

11:25-16:40

1 stop23h 15m

£682

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 16/9

10:50-09:40

1 stop28h 50m

Chicago O'Hare Intl

Wed 23/9

11:25-16:40

1 stop23h 15m

£725

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Mon 13/7

22:25-20:22

3 stops27h 57m

Lambert-St Louis

Mon 27/7

12:10-18:50

3 stops24h 40m

£805

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 5/9

20:35-18:42

2 stops28h 07m

Lambert-St Louis

Sat 3/10

08:55-16:50

2 stops25h 55m

£809

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 22/8

22:00-20:07

2 stops28h 07m

Lambert-St Louis

Sat 29/8

08:55-13:15

2 stops22h 20m

£838

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Tue 1/9

20:15-13:25

2 stops23h 10m

Lambert-St Louis

Tue 8/9

15:30-16:00

2 stops18h 30m

£854

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Fri 24/7

19:15-14:02

2 stops24h 47m

Lambert-St Louis

Sun 16/8

08:55-23:20

2 stops32h 25m

£909

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Fri 12/6

06:35-20:09

2 stops19h 34m

Lambert-St Louis

Tue 16/6

14:15-13:25

2 stops17h 10m

£921

Flights are sorted by cheapest return flights first.

Deals found on 30/5

Showing 1-10 of 41 resultsSorted by cheapest first
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Best time to book a flight from Stansted to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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 Illinois
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • How long is the flight from London Stansted Airport to Illinois?

    Departing from London Stansted Airport to Illinois will take you 17h 20m. The distance from London Stansted Airport to Illinois is about 3952 mi.

  • Can I find deals for flights from Stansted to Illinois that include hotel bookings?

    Yes. In addition to deals on Stansted to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Stansted to Illinois?

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

  • Can I find deals for business class flights from Stansted to Illinois?

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

See more FAQs

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Alternative routes for Stansted to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
Stansted to John F Kennedy Intl flights
London City to John F Kennedy Intl flights
Heathrow to Los Angeles flights
Heathrow to Orlando flights
Gatwick to LaGuardia flights
Heathrow to Miami flights
Luton to John F Kennedy Intl flights
Stansted to Newark flights
Luton to Newark flights
London City to Newark flights
Heathrow to Boston flights
Heathrow to Dulles Intl flights
Heathrow to Dallas/Fort Worth flights
Heathrow to San Francisco flights
Heathrow to O'Hare Intl flights
Gatwick to Orlando flights
Heathrow to Baltimore flights
Heathrow to Las Vegas flights
Stansted to Los Angeles flights
Gatwick to Boston flights
Gatwick to Los Angeles flights
London City to Los Angeles flights
Heathrow to Hobby flights
Gatwick to Miami flights
Stansted to LaGuardia flights
Stansted to Orlando flights
Heathrow to Seattle flights
Stansted to Miami flights
Heathrow to Atlanta flights
London City to Miami flights
Heathrow to George Bush Intcntl flights
Heathrow to Austin flights
Heathrow to Tampa flights
London City to Orlando flights
Heathrow to Philadelphia flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
London City to Boston flights
Luton to Miami flights
Luton to Los Angeles flights
Heathrow to Denver flights
Heathrow to Nashville flights
London City to Dulles Intl flights
Gatwick to San Francisco flights
Stansted to Dulles Intl flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Stansted to Illinois?

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Can Cheapflights find flights from Stansted to Illinois with no change fees?

Certainly. Search results for flights to Illinois from Stansted shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Not ready to book yet? You can track prices for flights from Stansted to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

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