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Cheap flights from Illinois to London Stansted Airport from £233

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — STN
3 Aug — 10 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Stansted

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Stansted
Explore the most affordable flight options available from Illinois to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2026.

Fri 16/1021:00
ORD
-
STN
1 stop11h 15m
Multiple Airlines
Mon 19/1008:15
STN
-
ORD
2 stops16h 00m
Multiple Airlines
Deal found 1/7£648
Mon 12/1020:10
ORD
-
STN
1 stop20h 00m
Turkish Airlines
Mon 19/1010:50
STN
-
ORD
1 stop28h 50m
Turkish Airlines
Deal found 1/7£648
Sun 27/915:35
ORD
-
STN
1 stop12h 35m
Lufthansa
Mon 5/1016:25
STN
-
ORD
1 stop31h 50m
Lufthansa
Deal found 1/7£649
Mon 17/819:25
ORD
-
STN
2 stops22h 55m
Multiple Airlines
Tue 25/811:35
STN
-
ORD
1 stop13h 40m
Multiple Airlines
Deal found 3/7£650
Sat 1/822:25
ORD
-
STN
2 stops18h 40m
Multiple Airlines
Thu 6/822:05
STN
-
ORD
3 stops27h 47m
Multiple Airlines
Deal found 1/7£652
Sat 1/822:25
ORD
-
STN
2 stops18h 40m
Multiple Airlines
Mon 3/820:20
STN
-
ORD
2 stops26h 37m
Multiple Airlines
Deal found 2/7£653
Sat 18/709:50
ORD
-
STN
2 stops25h 45m
Multiple Airlines
Tue 28/706:30
STN
-
ORD
2 stops16h 27m
Multiple Airlines
Deal found 1/7£655
Sun 16/817:10
ORD
-
STN
1 stop19h 05m
Multiple Airlines
Sun 23/807:35
STN
-
ORD
2 stops18h 15m
Multiple Airlines
Deal found 2/7£656
Sun 19/719:25
ORD
-
STN
2 stops22h 00m
Multiple Airlines
Sun 9/822:10
STN
-
ORD
3 stops27h 55m
Multiple Airlines
Deal found 2/7£658
Thu 1/1014:40
STL
-
STN
3 stops22h 35m
Multiple Airlines
Thu 8/1021:00
STN
-
STL
2 stops22h 25m
Multiple Airlines
Deal found 30/6£804
Sat 5/912:10
STL
-
STN
2 stops23h 45m
Multiple Airlines
Sat 19/906:45
STN
-
STL
2 stops17h 56m
Multiple Airlines
Deal found 2/7£812
Sun 2/814:40
STL
-
STN
2 stops23h 45m
Multiple Airlines
Sun 9/822:05
STN
-
STL
3 stops28h 19m
Multiple Airlines
Deal found 3/7£825

Find flight deals from Illinois to Stansted

Keep the following information in mind while searching for Illinois to Stansted flight deals. Data was last updated 4 July 2026.

Round-trip from

£648

One-way from

£233

Popular in

June

Cheapest in

September

Average price

£713
16/10-19/10
  • 16/10-19/10
  • 3 total stops
  • 27h 15m total
  • Illinois to London
Search Deals
15/10
  • 15/10
  • 2 total stops
  • 14h 30m total
  • Illinois to London
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£160 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£31 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 Illinois to Stansted 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 4 July 2026.
Use the filters below to find and compare flights from Illinois to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 12/11

11:45-09:55

1 stop16h 10m

London Stansted

Sun 15/11

17:20-18:20

1 stop31h 00m

£667

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 16/9

11:25-22:10

1 stop28h 45m

London Stansted

Sun 4/10

10:50-09:40

1 stop28h 50m

£668
Fastest return journey

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 25/9

11:25-09:55

1 stop16h 30m

London Stansted

Fri 9/10

17:35-09:40

1 stop22h 05m

£675

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 22/10

11:25-09:55

1 stop16h 30m

London Stansted

Tue 27/10

17:20-11:00

1 stop22h 40m

£681

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 14/9

20:10-22:10

1 stop20h 00m

London Stansted

Sat 19/9

17:45-09:40

1 stop21h 55m

£690

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 25/9

11:25-09:55

1 stop16h 30m

London Stansted

Sun 11/10

17:35-09:40

1 stop22h 05m

£720

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sat 26/9

11:25-09:55

1 stop16h 30m

London Stansted

Sun 11/10

17:35-09:40

1 stop22h 05m

£720

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 11/9

11:25-16:50

1 stop23h 25m

London Stansted

Tue 15/9

06:55-09:40

1 stop32h 45m

£722

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 22/10

11:25-09:55

1 stop16h 30m

London Stansted

Sun 25/10

17:20-11:00

1 stop22h 40m

£726

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sat 7/11

21:15-09:55

1 stop30h 40m

London Stansted

Sat 14/11

10:55-10:00

1 stop29h 05m

£734

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 48 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Stansted

Have a flexible travel schedule? Discover the best time to fly to Stansted from Illinois 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 Illinois to London Stansted Airport
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 Illinois to Stansted. 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 Illinois to London Stansted Airport?

    Departing from Illinois to London Stansted Airport will take you 16h 10m. There are 3952 mi between Illinois and London Stansted Airport.

  • What are the most popular routes from Illinois to London Stansted Airport?

    The most popular route from Illinois to London Stansted Airport is Chicago O'Hare Intl - London Stansted. You may also consider Lambert-St Louis - London Stansted or Chicago Midway - London Stansted.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Stansted 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

Travelling to a place near London Stansted Airport?

Book flights to London Stansted Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Eastbourne
Southall
Aylesbury
Romford
Ipswich
Borehamwood
Southend-on-Sea

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Alternative routes for Illinois to Stansted

See prices for flight routes from nearby airports that may be better suited for you.
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Newark to London City flights
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Reagan-National to Heathrow flights
Boston to London City flights
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Los Angeles to Gatwick flights
Dulles Intl to London City flights
Miami to Heathrow flights
Boston to Stansted flights
Los Angeles to Stansted flights
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Baltimore to Gatwick flights
George Bush Intcntl to Heathrow flights
San Francisco to Stansted flights
San Francisco to London City flights
Reagan-National to Gatwick flights
Los Angeles to London City flights
Minneapolis to Heathrow flights
O'Hare Intl to Gatwick flights
Sky Harbor Intl to Heathrow flights
Charlotte to Heathrow flights
Seattle to Gatwick flights
Tampa to Heathrow flights
O'Hare Intl to Stansted flights

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

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Why should you use Cheapflights to find cheap flight tickets from Illinois to Stansted?

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

Certainly. Search results for flights to Stansted from Illinois 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 Illinois to Stansted become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Stansted from Illinois today and book when prices fit your budget.

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