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Cheap flights from London Stansted Airport to Illinois from £370

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
STN — ORD
26 Jul — 2 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 26 June 2026.

Thu 20/806:30
STN
-
ORD
2 stops19h 22m
Multiple Airlines
Tue 25/819:25
ORD
-
STN
2 stops22h 45m
Multiple Airlines
Deal found 26/6£532
Sat 22/806:35
STN
-
ORD
3 stops19h 17m
Multiple Airlines
Wed 9/922:25
ORD
-
STN
2 stops15h 55m
Multiple Airlines
Deal found 25/6£533
Thu 17/906:30
STN
-
ORD
3 stops33h 47m
Multiple Airlines
Sun 20/922:25
ORD
-
STN
2 stops19h 15m
Multiple Airlines
Deal found 25/6£537
Fri 21/822:50
STN
-
ORD
2 stops27h 02m
Multiple Airlines
Sun 23/819:25
ORD
-
STN
2 stops21h 55m
Multiple Airlines
Deal found 25/6£538
Thu 20/806:30
STN
-
ORD
2 stops19h 22m
Multiple Airlines
Mon 24/819:25
ORD
-
STN
2 stops21h 25m
Multiple Airlines
Deal found 26/6£541
Thu 10/918:55
STN
-
ORD
2 stops28h 55m
Multiple Airlines
Sun 13/915:45
ORD
-
STN
1 stop10h 05m
Multiple Airlines
Deal found 25/6£546
Thu 2/706:30
STN
-
ORD
3 stops32h 30m
Multiple Airlines
Wed 15/719:25
ORD
-
STN
2 stops21h 55m
Multiple Airlines
Deal found 25/6£548
Mon 14/920:50
STN
-
ORD
3 stops28h 58m
Multiple Airlines
Wed 2/1218:30
ORD
-
STN
2 stops20h 20m
Multiple Airlines
Deal found 26/6£551
Mon 13/722:25
STN
-
ORD
3 stops27h 27m
Multiple Airlines
Wed 22/719:25
ORD
-
STN
2 stops21h 55m
Multiple Airlines
Deal found 25/6£554
Fri 11/915:45
STN
-
ORD
3 stops34h 03m
Multiple Airlines
Sun 13/917:35
ORD
-
STN
2 stops22h 20m
Multiple Airlines
Deal found 25/6£555
Wed 8/712:25
STN
-
ORD
2 stops30h 15m
Multiple Airlines
Sun 12/719:25
ORD
-
STN
2 stops20h 55m
Multiple Airlines
Deal found 26/6£557
Thu 27/822:00
STN
-
STL
2 stops28h 24m
Multiple Airlines
Mon 31/814:40
STL
-
STN
2 stops24h 40m
Multiple Airlines
Deal found 25/6£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 26 June 2026.

Round-trip from

£533

One-way from

£370

Popular in

July

Cheapest in

February

Average price

£676
22/8-9/9
  • 22/8-9/9
  • 5 total stops
  • 35h 12m total
  • London to Illinois
Search Deals
21/9
  • 21/9
  • 3 total stops
  • 57h 20m total
  • London to Illinois
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 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 26 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 12/8

06:30-19:52

3 stops19h 22m

Chicago O'Hare Intl

Wed 19/8

22:25-21:40

2 stops17h 15m

£598

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 7/10

06:55-09:40

1 stop32h 45m

Chicago O'Hare Intl

Wed 21/10

20:10-22:10

1 stop20h 00m

£675

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 7/10

06:55-18:15

1 stop17h 20m

Chicago O'Hare Intl

Wed 14/10

11:25-16:40

1 stop23h 15m

£676

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 10/10

17:45-09:40

1 stop21h 55m

Chicago O'Hare Intl

Thu 15/10

20:10-16:50

1 stop38h 40m

£683

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 7/10

10:50-09:40

1 stop28h 50m

Chicago O'Hare Intl

Sun 11/10

20:10-22:10

1 stop20h 00m

£687

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 21/11

17:20-18:20

1 stop31h 00m

Chicago O'Hare Intl

Sat 28/11

11:45-16:20

1 stop22h 35m

£695

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

£700

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 1/10

17:35-09:40

1 stop22h 05m

Chicago O'Hare Intl

Sun 11/10

20:10-22:10

1 stop20h 00m

£711

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 16/9

17:45-09:40

1 stop21h 55m

Chicago O'Hare Intl

Wed 23/9

20:10-22:10

1 stop20h 00m

£730

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 14/9

10:50-09:40

1 stop28h 50m

Chicago O'Hare Intl

Wed 23/9

11:25-22:10

1 stop28h 45m

£756

Flights are sorted by cheapest return flights first.

Deals found on 23/6

Showing 1-10 of 39 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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Gatwick to Orlando flights
Heathrow to Dallas/Fort Worth flights
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Gatwick to Los Angeles flights
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Gatwick to Miami flights
Heathrow to Las Vegas flights
London City to Los Angeles flights
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Heathrow to Tampa flights
Gatwick to Dulles Intl flights
Gatwick to Boston flights
Heathrow to Ontario flights
London City to Orlando flights
London City to Dulles Intl flights
Heathrow to Reagan-National flights
Stansted to Dulles Intl flights
Luton to Miami flights
London City to Boston flights
Gatwick to San Francisco flights
Gatwick to O'Hare Intl flights
Stansted to Boston flights
Heathrow to Denver flights
Stansted to San Francisco flights
Stansted to O'Hare 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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