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Cheap flights from London Stansted Airport to Illinois from £326

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
6 Aug — 13 Aug1
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 7 July 2026.

Thu 1/1006:00
STN
-
ORD
1 stop14h 25m
Multiple Airlines
Wed 14/1016:55
ORD
-
STN
1 stop15h 25m
Multiple Airlines
Deal found 5/7£514
Mon 24/822:00
STN
-
ORD
2 stops24h 57m
Multiple Airlines
Tue 8/915:45
ORD
-
STN
2 stops24h 55m
Multiple Airlines
Deal found 4/7£515
Fri 11/922:00
STN
-
ORD
3 stops27h 48m
Multiple Airlines
Tue 15/914:15
ORD
-
STN
2 stops26h 25m
Multiple Airlines
Deal found 3/7£516
Tue 18/808:30
STN
-
ORD
2 stops17h 22m
Multiple Airlines
Tue 25/819:25
ORD
-
STN
2 stops22h 45m
Multiple Airlines
Deal found 4/7£517
Mon 24/806:30
STN
-
ORD
2 stops16h 27m
Multiple Airlines
Mon 7/922:25
ORD
-
STN
2 stops18h 25m
Multiple Airlines
Deal found 3/7£520
Fri 21/818:25
STN
-
ORD
2 stops32h 55m
Multiple Airlines
Mon 31/819:25
ORD
-
STN
2 stops19h 55m
Multiple Airlines
Deal found 7/7£522
Fri 28/806:35
STN
-
ORD
3 stops19h 30m
Multiple Airlines
Tue 8/909:50
ORD
-
STN
2 stops30h 50m
Multiple Airlines
Deal found 4/7£522
Fri 28/806:35
STN
-
STL
2 stops19h 49m
Multiple Airlines
Sun 13/908:55
STL
-
STN
2 stops31h 00m
Multiple Airlines
Deal found 4/7£715
Thu 27/806:30
STN
-
STL
3 stops37h 32m
Multiple Airlines
Sun 6/908:55
STL
-
STN
3 stops32h 10m
Multiple Airlines
Deal found 6/7£742
Sun 19/722:10
STN
-
STL
2 stops28h 12m
Multiple Airlines
Sun 26/708:55
STL
-
STN
3 stops28h 35m
Multiple Airlines
Deal found 2/7£881
Fri 21/808:15
STN
-
STL
2 stops18h 09m
Multiple Airlines
Fri 28/812:10
STL
-
STN
2 stops27h 00m
Multiple Airlines
Deal found 7/7£899
Fri 21/808:20
STN
-
STL
2 stops18h 04m
Multiple Airlines
Sun 30/814:40
STL
-
STN
2 stops16h 15m
Multiple Airlines
Deal found 7/7£911

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 7 July 2026.

Round-trip from

£514

One-way from

£326

Popular in

July

Cheapest in

February

Average price

£694
1/10-14/10
  • 1/10-14/10
  • 2 total stops
  • 29h 50m total
  • London to Illinois
Search Deals
24/8
  • 24/8
  • 3 total stops
  • 35h 37m total
  • London to Illinois
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£78 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 July 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 7 July 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
Fastest return journey

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 29/8

11:15-21:25

2 stops16h 10m

Chicago O'Hare Intl

Mon 7/9

22:25-23:20

3 stops18h 55m

£558

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 14/8

06:40-09:00

2 stops32h 20m

Chicago O'Hare Intl

Mon 24/8

19:05-22:25

2 stops21h 20m

£620

LondonChicago

STN - ORD

STNORD

London Stansted

Sun 20/9

06:55-09:40

1 stop32h 45m

Chicago O'Hare Intl

Tue 13/10

20:10-16:40

1 stop38h 30m

£679

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 10/11

17:20-18:20

1 stop31h 00m

Chicago O'Hare Intl

Sun 15/11

11:45-09:55

1 stop16h 10m

£679

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 30/9

17:45-18:15

1 stop30h 30m

Chicago O'Hare Intl

Sat 10/10

11:25-09:55

1 stop16h 30m

£689

LondonChicago

STN - ORD

STNORD

London Stansted

Sun 20/9

10:50-09:40

1 stop28h 50m

Chicago O'Hare Intl

Fri 25/9

11:25-22:10

1 stop28h 45m

£709

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 16/9

06:55-09:40

1 stop32h 45m

Chicago O'Hare Intl

Wed 23/9

11:25-22:10

1 stop28h 45m

£722

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 8/10

17:35-09:40

1 stop22h 05m

Chicago O'Hare Intl

Tue 13/10

11:25-16:50

1 stop23h 25m

£724

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Fri 28/8

06:35-20:24

2 stops19h 49m

Lambert-St Louis

Sun 13/9

14:40-14:55

2 stops18h 15m

£732

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 14/8

08:15-22:05

2 stops19h 50m

Chicago O'Hare Intl

Fri 21/8

22:25-22:55

2 stops18h 30m

£740

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 37 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 32h 45m. 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.
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Heathrow to Newark flights
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London City to John F Kennedy Intl flights
Heathrow to Orlando flights
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Gatwick to LaGuardia 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
Gatwick to Miami flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Dulles Intl flights
Gatwick to Orlando flights
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Heathrow to San Francisco flights
Heathrow to O'Hare Intl flights
Stansted to Orlando flights
Gatwick to Los Angeles flights
Stansted to Los Angeles flights
Luton to Miami flights
Heathrow to Las Vegas flights
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London City to Los Angeles flights
Heathrow to Hobby flights
London City to Orlando flights
Heathrow to Seattle flights
Gatwick to Boston flights
Heathrow to Atlanta flights
Heathrow to Ontario flights
Luton to Los Angeles flights
Heathrow to Tampa flights
Heathrow to George Bush Intcntl flights
Gatwick to Fort Lauderdale flights
London City to Boston flights
Gatwick to Dulles Intl flights
Luton to Orlando flights
Stansted to Boston flights
Heathrow to Reagan-National flights
London City to Dulles Intl flights
Gatwick to San Francisco flights
Heathrow to Nashville 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.

Can Cheapflights notify me if prices for flights from Stansted to Illinois become cheaper?

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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