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Cheap flights from Illinois to London Stansted Airport from £169

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — STN
24 Aug — 31 Aug1
1 adult

Cheap flight deals from Illinois to Stansted

Keep the following information in mind while searching for Illinois to Stansted flight deals. Data was last updated 19 August 2025.

Round-trip from

£396

One-way from

£169

Popular in

June

Cheapest in

February

Average price

£527
7/11-13/11
  • 7/11-13/11
  • 4 total stops
  • 52h 35m total
  • Illinois to London
Search Deals
3/10
  • 3/10
  • 2 total stops
  • 21h 05m total
  • Illinois to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£111 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Illinois to Stansted

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 19 August 2025.

Fri 7/1120:15ORD - STN
2 stops21h 55mMultiple Airlines
Thu 13/1114:35STN - ORD
2 stops30h 40mMultiple Airlines
Deal found 18/8£396
Mon 6/1019:15ORD - STN
2 stops19h 45mMultiple Airlines
Sat 11/1017:30STN - ORD
3 stops28h 40mMultiple Airlines
Deal found 18/8£405
Thu 9/1019:15ORD - STN
3 stops23h 30mMultiple Airlines
Fri 17/1012:05STN - ORD
3 stops34h 05mMultiple Airlines
Deal found 18/8£410
Fri 3/1019:25ORD - STN
2 stops14h 20mMultiple Airlines
Sun 12/1012:25STN - ORD
2 stops35h 50mMultiple Airlines
Deal found 18/8£414
Sun 12/1019:15ORD - STN
3 stops22h 44mMultiple Airlines
Wed 15/1021:05STN - ORD
2 stops25h 05mMultiple Airlines
Deal found 18/8£414
Mon 29/919:15ORD - STN
2 stops20h 55mMultiple Airlines
Fri 3/1011:15STN - ORD
2 stops34h 55mMultiple Airlines
Deal found 17/8£418
Sat 11/1019:15ORD - STN
2 stops23h 05mMultiple Airlines
Sat 18/1016:30STN - ORD
3 stops29h 40mMultiple Airlines
Deal found 19/8£420
Fri 7/1119:20ORD - STN
1 stop13h 55mMultiple Airlines
Wed 12/1106:00STN - ORD
1 stop16h 45mMultiple Airlines
Deal found 17/8£420
Thu 6/1119:20ORD - STN
2 stops16h 10mMultiple Airlines
Thu 13/1106:15STN - ORD
2 stops16h 30mMultiple Airlines
Deal found 18/8£423
Sun 9/1120:25ORD - STN
2 stops18h 30mMultiple Airlines
Thu 20/1117:50STN - ORD
2 stops27h 25mMultiple Airlines
Deal found 17/8£423
Wed 12/1115:50STL - STN
2 stops20h 10mMultiple Airlines
Tue 18/1117:20STN - STL
2 stops26h 35mMultiple Airlines
Deal found 18/8£461
Sun 21/917:30STL - STN
2 stops43h 30mLufthansa
Tue 30/919:50STN - STL
2 stops25h 54mLufthansa
Deal found 17/8£651

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 19 August 2025.
Use the filters below to find and compare flights from Illinois to London Stansted Airport that are best for you.

Fly from

Illinois

Fly to

Stansted

Route

Depart

Return

Price

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 7/11

20:15-00:10

2 stops21h 55m

London Stansted

Thu 13/11

14:35-15:15

2 stops30h 40m

£396

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 6/10

19:15-21:00

2 stops19h 45m

London Stansted

Sat 11/10

17:30-16:10

3 stops28h 40m

£405

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 9/10

19:15-00:45

3 stops23h 30m

London Stansted

Fri 17/10

12:05-16:10

3 stops34h 05m

£410

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 5/11

18:30-22:15

2 stops21h 45m

London Stansted

Sat 8/11

17:20-17:20

2 stops30h 00m

£414

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 12/10

19:15-23:59

3 stops22h 44m

London Stansted

Wed 15/10

21:05-16:10

2 stops25h 05m

£414

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 16/10

19:15-00:45

2 stops23h 30m

London Stansted

Sun 26/10

06:25-17:55

2 stops16h 30m

£415

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 19/10

18:00-23:20

2 stops23h 20m

London Stansted

Tue 4/11

21:20-15:00

2 stops23h 40m

£416

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 3/10

19:25-15:45

2 stops14h 20m

London Stansted

Sun 12/10

12:25-18:15

2 stops35h 50m

£417

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 10/11

19:20-21:20

2 stops20h 00m

London Stansted

Sun 23/11

06:30-16:45

2 stops16h 15m

£418

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 29/9

19:15-22:10

2 stops20h 55m

London Stansted

Fri 3/10

11:15-16:10

2 stops34h 55m

£418

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 40 results
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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 43h 30m. There are 4200 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.

  • What is the cheapest month to book a flight from Illinois to London Stansted Airport?

    Currently, January is the cheapest month in which you can book a flight from Illinois to London Stansted Airport (average of £55). Flying from Illinois to London Stansted Airport in August is currently the most expensive (average of £113). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Milton Keynes
Croydon
Hounslow
Gatwick
Slough
Deal
Luton
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Winchester
Eastbourne
Chichester
Southend-on-Sea
Dartford
Guildford

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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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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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