Find flights
When to book
FAQs

Cheap flights from London Stansted Airport to Illinois from £331

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
STN — ORD
22 Jan — 29 Jan1
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 23 December 2025.

Tue 23/1216:40STN - ORD
2 stops27h 40mMultiple Airlines
Tue 30/1217:20ORD - STN
2 stops21h 15mMultiple Airlines
Deal found 21/12£707
Tue 23/1215:50STN - ORD
2 stops29h 10mMultiple Airlines
Sun 11/118:30ORD - STN
2 stops14h 40mMultiple Airlines
Deal found 20/12£733
Sat 27/1216:20STN - ORD
2 stops28h 25mMultiple Airlines
Mon 5/118:30ORD - STN
2 stops17h 50mMultiple Airlines
Deal found 21/12£773
Sat 27/1206:30STN - ORD
1 stop13h 30mMultiple Airlines
Tue 30/1219:40ORD - STN
1 stop16h 40mMultiple Airlines
Deal found 22/12£791
Mon 22/1213:50STN - ORD
2 stops26h 15mMultiple Airlines
Sat 31/118:30ORD - STN
2 stops17h 30mMultiple Airlines
Deal found 22/12£795
Fri 26/1219:40STN - ORD
2 stops30h 20mMultiple Airlines
Sun 11/118:30ORD - STN
2 stops14h 40mMultiple Airlines
Deal found 22/12£869
Mon 22/1209:35STN - ORD
2 stops30h 30mMultiple Airlines
Sun 11/118:30ORD - STN
2 stops14h 40mMultiple Airlines
Deal found 20/12£875
Wed 24/1207:40STN - ORD
2 stops32h 25mMultiple Airlines
Sat 10/111:50ORD - STN
2 stops19h 40mMultiple Airlines
Deal found 22/12£876
Wed 24/1206:30STN - ORD
1 stop13h 30mMultiple Airlines
Tue 30/1215:50ORD - STN
1 stop13h 20mMultiple Airlines
Deal found 22/12£884
Sat 27/1212:00STN - ORD
1 stop11h 55mMultiple Airlines
Fri 9/121:00ORD - STN
1 stop11h 50mMultiple Airlines
Deal found 20/12£895

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 23 December 2025.

Round-trip from

£439

One-way from

£331

Popular in

July

Cheapest in

February

Average price

£595
5/2-12/2
  • 5/2-12/2
  • 4 total stops
  • 32h 40m total
  • London to Illinois
Search Deals
6/2
  • 6/2
  • 3 total stops
  • 58h 33m total
  • London to Illinois
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£60 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 December 2025
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 23 December 2025.
Use the filters below to find and compare flights from London Stansted Airport to Illinois that are best for you.

Fly from

Stansted

Fly to

Illinois

Route

Depart

Return

Price

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 15/1

14:35-15:25

2 stops30h 50m

Chicago O'Hare Intl

Wed 21/1

18:30-22:15

2 stops21h 45m

£463

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 13/1

20:25-14:20

2 stops23h 55m

Chicago O'Hare Intl

Tue 20/1

17:20-20:15

2 stops20h 55m

£468

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 16/1

16:20-22:42

3 stops36h 22m

Chicago O'Hare Intl

Fri 23/1

18:30-18:30

2 stops18h 00m

£476

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 12/1

05:55-08:18

3 stops32h 23m

Chicago O'Hare Intl

Mon 19/1

18:30-22:05

2 stops21h 35m

£491

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 11/2

20:40-14:55

1 stop24h 15m

Chicago O'Hare Intl

Wed 25/2

18:30-17:40

2 stops17h 10m

£500

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 23/4

07:05-17:50

2 stops16h 45m

Chicago O'Hare Intl

Sun 26/4

15:45-07:50

1 stop10h 05m

£500

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 1/5

06:40-17:50

2 stops17h 10m

Chicago O'Hare Intl

Tue 5/5

19:25-21:20

3 stops19h 55m

£506

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 15/4

07:05-17:50

2 stops16h 45m

Chicago O'Hare Intl

Tue 28/4

15:45-09:50

1 stop12h 05m

£506

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 16/1

12:00-19:15

1 stop13h 15m

Chicago O'Hare Intl

Sun 18/1

21:00-13:20

1 stop10h 20m

£509

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 2/2

07:40-19:55

1 stop18h 15m

Chicago O'Hare Intl

Mon 9/2

21:55-19:45

2 stops15h 50m

£523

Flights are sorted by cheapest return flights first.

Deals found on 21/12

Showing 1-10 of 29 results
1
2
3

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 40h 14m. The distance from London Stansted Airport to Illinois is about 4200 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Stansted to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Stansted to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Luton to John F Kennedy Intl flights
Heathrow to Miami flights
London City to Newark flights
Heathrow to Orlando flights
Stansted to Newark flights
Heathrow to Los Angeles flights
Luton to Newark flights
Heathrow to Las Vegas flights
Heathrow to Boston flights
Gatwick to Orlando flights
Heathrow to Dallas/Fort Worth flights
Heathrow to San Francisco flights
Heathrow to O'Hare Intl flights
Heathrow to Dulles Intl flights
Heathrow to Tampa flights
Gatwick to Miami flights
London City to Orlando flights
Heathrow to Atlanta flights
London City to Miami flights
Heathrow to Seattle flights
Gatwick to Las Vegas flights
London City to Las Vegas flights
Heathrow to Hobby flights
Gatwick to Los Angeles flights
Gatwick to Boston flights
Stansted to Miami flights
London City to Los Angeles flights
Heathrow to Nashville flights
Heathrow to Baltimore flights
Heathrow to George Bush Intcntl flights
London City to Boston flights
Gatwick to Dallas/Fort Worth flights
Heathrow to Fort Lauderdale flights
Luton to Miami flights
Heathrow to Denver flights
Heathrow to Austin flights
Stansted to Los Angeles flights
Stansted to Las Vegas flights
Gatwick to San Francisco flights
Stansted to Boston flights
Stansted to Orlando flights
Heathrow to Ontario flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Illinois from Stansted today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Stansted to Illinois for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.