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Cheap flights from London Stansted Airport to Illinois from £329

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
21 Jun — 28 Jun1
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 22 May 2026.

Wed 27/515:00
STN
-
ORD
2 stops33h 15m
Multiple Airlines
Mon 1/622:25
ORD
-
STN
2 stops14h 25m
Multiple Airlines
Deal found 18/5£518
Tue 16/620:35
STN
-
ORD
2 stops22h 35m
Multiple Airlines
Mon 29/615:00
ORD
-
STN
2 stops23h 10m
Multiple Airlines
Deal found 21/5£529
Thu 5/1108:05
STN
-
ORD
2 stops15h 15m
Multiple Airlines
Sun 8/1118:30
ORD
-
STN
2 stops21h 25m
Multiple Airlines
Deal found 18/5£532
Mon 9/1122:15
STN
-
ORD
2 stops25h 05m
Multiple Airlines
Wed 18/1118:30
ORD
-
STN
2 stops19h 10m
Multiple Airlines
Deal found 18/5£532
Wed 7/1008:10
STN
-
ORD
2 stops15h 40m
Multiple Airlines
Tue 13/1021:30
ORD
-
STN
1 stop15h 00m
Multiple Airlines
Deal found 18/5£533
Wed 23/919:00
STN
-
ORD
2 stops28h 50m
Multiple Airlines
Wed 7/1021:30
ORD
-
STN
1 stop13h 20m
Multiple Airlines
Deal found 18/5£535
Wed 2/921:00
STN
-
ORD
2 stops26h 50m
Multiple Airlines
Wed 23/921:30
ORD
-
STN
1 stop13h 20m
Multiple Airlines
Deal found 18/5£536
Wed 11/1108:40
STN
-
ORD
2 stops14h 40m
Multiple Airlines
Sun 15/1118:30
ORD
-
STN
2 stops21h 10m
Multiple Airlines
Deal found 18/5£537
Fri 18/905:55
STN
-
ORD
2 stops17h 55m
Multiple Airlines
Mon 21/921:00
ORD
-
STN
1 stop28h 50m
Multiple Airlines
Deal found 20/5£537
Wed 10/613:45
STN
-
ORD
2 stops29h 20m
Multiple Airlines
Wed 23/922:25
ORD
-
STN
2 stops16h 05m
Multiple Airlines
Deal found 21/5£540
Thu 24/919:50
STN
-
ORD
2 stops28h 00m
Multiple Airlines
Mon 28/921:00
ORD
-
STN
1 stop14h 05m
Multiple Airlines
Deal found 22/5£541
Wed 3/606:30
STN
-
STL
2 stops19h 39m
Multiple Airlines
Wed 17/614:15
STL
-
STN
2 stops26h 35m
Multiple Airlines
Deal found 20/5£769

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 22 May 2026.

Round-trip from

£526

One-way from

£329

Popular in

July

Cheapest in

February

Average price

£581
15/9-28/9
  • 15/9-28/9
  • 3 total stops
  • 48h 45m total
  • London to Illinois
Search Deals
30/8
  • 30/8
  • 3 total stops
  • 43h 46m total
  • London to Illinois
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£51 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 May 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 22 May 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

Tue 22/9

17:35-09:40

1 stop22h 05m

Chicago O'Hare Intl

Tue 29/9

11:25-09:55

1 stop16h 30m

£673
Fastest return journey

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 10/10

17:45-09:40

1 stop21h 55m

Chicago O'Hare Intl

Thu 15/10

11:25-09:55

1 stop16h 30m

£683

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 10/6

06:55-09:40

1 stop32h 45m

Chicago O'Hare Intl

Fri 26/6

11:25-22:10

1 stop28h 45m

£855

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 19/6

17:35-09:40

1 stop22h 05m

Chicago O'Hare Intl

Fri 10/7

20:10-09:55

1 stop31h 45m

£862

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 5/9

06:35-14:02

3 stops37h 27m

Lambert-St Louis

Sat 19/9

08:55-16:50

2 stops25h 55m

£865

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 5/6

17:35-09:40

1 stop22h 05m

Chicago O'Hare Intl

Sun 28/6

11:25-09:55

1 stop16h 30m

£867

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 1/6

10:50-09:40

1 stop28h 50m

Chicago O'Hare Intl

Fri 31/7

11:25-09:55

1 stop16h 30m

£877

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 1/9

06:55-09:40

1 stop32h 45m

Chicago O'Hare Intl

Tue 8/9

20:10-16:40

1 stop38h 30m

£887

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 10/6

06:55-09:40

1 stop32h 45m

Chicago O'Hare Intl

Mon 22/6

20:10-09:55

1 stop31h 45m

£894

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Fri 17/7

07:55-20:22

2 stops18h 27m

Lambert-St Louis

Tue 21/7

12:10-23:05

2 stops28h 55m

£913

Flights are sorted by cheapest return flights first.

Deals found on 18/5

Showing 1-10 of 36 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 22h 05m. 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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Gatwick to LaGuardia flights
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Gatwick to Miami flights
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Gatwick to Dulles Intl flights
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Stansted to San Francisco flights
Stansted to Dulles Intl flights
London City to San Francisco flights
Heathrow to Hobby flights
Heathrow to Reagan-National flights
Stansted to Boston flights
London City to Dulles Intl flights
Heathrow to Ontario flights
Heathrow to Nashville flights
Gatwick to Baltimore flights
Heathrow to George Bush Intcntl flights
Heathrow to Tampa flights
Luton to Los Angeles 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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