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Cheap flights from London Stansted Airport to Illinois from £287

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
STN — ORD
21 12월 — 28 12월1
1 adult
1 adult, Economy, 0 bags

Find 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 21 11월 2025.

금 5/1208:30STN - ORD
2 stops14h 50mMultiple Airlines
월 8/1218:30ORD - STN
2 stops17h 50mMultiple Airlines
Deal found 21/11£432
수 26/1106:30STN - ORD
1 stop17h 25mMultiple Airlines
수 3/1215:50ORD - STN
1 stop10h 00mMultiple Airlines
Deal found 19/11£437
토 6/1212:00STN - ORD
1 stop11h 55mMultiple Airlines
토 13/1219:40ORD - STN
1 stop9h 55mMultiple Airlines
Deal found 20/11£458
토 6/1208:30STN - ORD
2 stops14h 50mMultiple Airlines
일 7/1218:30ORD - STN
2 stops22h 30mMultiple Airlines
Deal found 20/11£463
목 11/1206:30STN - ORD
2 stops16h 50mMultiple Airlines
월 15/1218:30ORD - STN
2 stops17h 50mMultiple Airlines
Deal found 20/11£471
수 17/1206:30STN - ORD
1 stop17h 25mMultiple Airlines
월 5/121:00ORD - STN
1 stop11h 20mMultiple Airlines
Deal found 19/11£473
목 18/1206:30STN - ORD
1 stop13h 30mMultiple Airlines
목 1/115:50ORD - STN
1 stop15h 30mMultiple Airlines
Deal found 19/11£499
목 18/1206:30STN - ORD
2 stops16h 50mMultiple Airlines
월 5/118:30ORD - STN
2 stops13h 50mMultiple Airlines
Deal found 19/11£503
화 23/1206:30STN - ORD
1 stop13h 30mMultiple Airlines
일 4/119:40ORD - STN
1 stop19h 40mMultiple Airlines
Deal found 19/11£506
일 28/1206:30STN - ORD
1 stop13h 30mMultiple Airlines
수 7/121:00ORD - STN
1 stop18h 05mMultiple Airlines
Deal found 20/11£511
목 4/1206:30STN - ORD
1 stop13h 30mMultiple Airlines
일 7/1215:50ORD - STN
1 stop12h 00mMultiple Airlines
Deal found 21/11£519
금 28/1118:45STN - STL
2 stops26h 44mMultiple Airlines
수 31/1216:05STL - STN
2 stops17h 15mMultiple Airlines
Deal found 21/11£1,770

Cheap flight deals from Stansted to Illinois

Keep the following information in mind while searching for Stansted to Illinois flight deals. Data was last updated 21 11월 2025.

Round-trip from

£425

One-way from

£287

Popular in

July

Cheapest in

February

Average price

£474
4/12-10/12
  • 4/12-10/12
  • 4 total stops
  • 32h 10m total
  • London to Illinois
Search Deals
12/1
  • 12/1
  • 3 total stops
  • 55h 14m total
  • London to Illinois
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 21 11월 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

금 5/12

08:30-17:20

2 stops14h 50m

Chicago O'Hare Intl

월 8/12

18:30-18:20

2 stops17h 50m

£432

LondonChicago

STN - ORD

STNORD

London Stansted

목 22/1

06:30-19:15

1 stop18h 45m

Chicago O'Hare Intl

목 29/1

21:00-18:20

1 stop15h 20m

£453

LondonChicago

STN - ORD

STNORD

London Stansted

월 12/1

07:35-16:45

1 stop15h 10m

Chicago O'Hare Intl

월 26/1

19:20-15:45

1 stop14h 25m

£494

LondonChicago

STN - ORD

STNORD

London Stansted

일 25/1

20:25-14:55

2 stops24h 30m

Chicago O'Hare Intl

화 5/5

15:45-07:50

1 stop10h 05m

£499

LondonChicago

STN - ORD

STNORD

London Stansted

월 19/1

19:50-14:55

2 stops25h 05m

Chicago O'Hare Intl

화 5/5

15:45-07:50

1 stop10h 05m

£500

LondonChicago

STN - ORD

STNORD

London Stansted

목 18/12

06:30-17:20

2 stops16h 50m

Chicago O'Hare Intl

월 5/1

18:30-14:20

2 stops13h 50m

£503

LondonChicago

STN - ORD

STNORD

London Stansted

화 23/12

06:30-14:00

1 stop13h 30m

Chicago O'Hare Intl

일 4/1

19:40-21:20

1 stop19h 40m

£506

LondonChicago

STN - ORD

STNORD

London Stansted

월 12/1

07:35-16:45

1 stop15h 10m

Chicago O'Hare Intl

금 16/1

19:20-15:15

1 stop13h 55m

£513

LondonChicago

STN - ORD

STNORD

London Stansted

목 4/12

06:30-14:00

1 stop13h 30m

Chicago O'Hare Intl

일 7/12

15:50-09:50

1 stop12h 00m

£519

LondonChicago

STN - ORD

STNORD

London Stansted

목 4/12

08:30-20:05

2 stops17h 35m

Chicago O'Hare Intl

월 8/12

07:05-16:55

2 stops27h 50m

£526

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 34 results
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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.

  • 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.

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