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Cheap flights from London Stansted Airport to Illinois from £388

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
STN — ORD
9 Jul — 16 Jul1
1 adult

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 4 July 2025.

Round-trip from

£459

One-way from

£388

Popular in

August

Cheapest in

February

Average price

£645
22/9-29/9
  • 22/9-29/9
  • 5 total stops
  • 56h 08m total
  • London to Illinois
Search Deals
25/8
  • 25/8
  • 2 total stops
  • 32h 25m total
  • London to Illinois
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£53 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 July 2025
Search Deals

Find flight deals from Stansted to Illinois

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 4 July 2025.

Mon 22/906:25STN - ORD
3 stops41h 08mMultiple Airlines
Mon 29/919:25ORD - STN
2 stops15h 00mMultiple Airlines
Deal found 1/7£459
Tue 23/919:50STN - ORD
1 stop24h 15mLufthansa
Mon 29/921:40ORD - STN
1 stop15h 20mLufthansa
Deal found 1/7£532
Sat 20/907:10STN - STL
2 stops18h 47mMultiple Airlines
Wed 8/1009:15STL - STN
3 stops27h 50mMultiple Airlines
Deal found 1/7£702

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 4 July 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

Mon 22/9

06:25-17:33

3 stops41h 08m

Chicago O'Hare Intl

Mon 29/9

19:25-16:25

2 stops15h 00m

£459

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 23/9

19:50-14:05

1 stop24h 15m

Chicago O'Hare Intl

Mon 29/9

21:40-19:00

1 stop15h 20m

£532

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Sat 20/9

07:10-19:57

2 stops18h 47m

Lambert-St Louis

Wed 8/10

09:15-19:05

3 stops27h 50m

£702

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 25/8

07:15-09:40

2 stops32h 25m

£388

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Mon 15/9

06:05-18:10

2 stops42h 05m

£420

LondonSt. Louis

STN - STL

STNSTL

London Stansted

Mon 22/9

19:50-15:44

2 stops25h 54m

£6,656

Flights are sorted by cheapest return flights first.

Deals found on 1/7

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.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 4 July 2025.
Read reviews from past customers who have flown with Lufthansa from London Stansted Airport to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,207 reviews
Check prices

Boarding

7.0

Entertainment

6.4

Crew

7.6

Food

6.3

Overall

6.8

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

BHX - FRA

Not as good as when I traveled many years ago. My main problem was missing my flight from Frankfurt to Birmingham because of very late start from LA and was told delay wil be made up but then I had to wait 5 hours for my next booked fight . Asian vegetarian food was skimpy and horrible.
Lufthansa
6.8
Okay
7,207 reviews
Lufthansa
6.8
Okay
7,207 reviews
Check prices

Boarding

7.0

Entertainment

6.4

Crew

7.6

Food

6.3

Overall

6.8

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

BHX - FRA

Not as good as when I traveled many years ago. My main problem was missing my flight from Frankfurt to Birmingham because of very late start from LA and was told delay wil be made up but then I had to wait 5 hours for my next booked fight . Asian vegetarian food was skimpy and horrible.

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.

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

    Currently, January is the cheapest month in which you can book a flight from London Stansted Airport to Illinois (average of £595). Flying from London Stansted Airport to Illinois in July is currently the most expensive (average of £843). 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.

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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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