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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 29/8. Fares are subject to change and may not be available on all flights or dates of travel.
STN — ORD
27 Jun — 4 Jul1
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 28 May 2026.

Thu 25/606:30
STN
-
ORD
2 stops16h 27m
Multiple Airlines
Thu 9/715:45
ORD
-
STN
2 stops23h 35m
Multiple Airlines
Deal found 27/5£524
Wed 1/722:45
STN
-
ORD
2 stops24h 12m
Multiple Airlines
Fri 10/714:15
ORD
-
STN
2 stops27h 05m
Multiple Airlines
Deal found 27/5£527
Thu 12/1108:05
STN
-
ORD
2 stops15h 15m
Multiple Airlines
Thu 19/1118:30
ORD
-
STN
2 stops21h 25m
Multiple Airlines
Deal found 23/5£529
Wed 8/706:30
STN
-
ORD
3 stops19h 35m
Multiple Airlines
Thu 30/719:25
ORD
-
STN
2 stops21h 20m
Multiple Airlines
Deal found 26/5£530
Thu 2/706:30
STN
-
ORD
2 stops16h 27m
Multiple Airlines
Sun 12/715:45
ORD
-
STN
2 stops24h 10m
Multiple Airlines
Deal found 27/5£530
Tue 7/706:30
STN
-
ORD
2 stops16h 27m
Multiple Airlines
Tue 28/722:25
ORD
-
STN
2 stops18h 15m
Multiple Airlines
Deal found 27/5£531
Wed 8/722:45
STN
-
ORD
2 stops29h 20m
Multiple Airlines
Wed 22/722:25
ORD
-
STN
2 stops16h 05m
Multiple Airlines
Deal found 27/5£533
Tue 9/615:55
STN
-
ORD
2 stops30h 05m
Multiple Airlines
Mon 24/822:25
ORD
-
STN
2 stops18h 25m
Multiple Airlines
Deal found 26/5£533
Tue 1/920:25
STN
-
ORD
2 stops27h 25m
Multiple Airlines
Mon 14/921:00
ORD
-
STN
1 stop16h 25m
Multiple Airlines
Deal found 25/5£536
Wed 9/919:00
STN
-
ORD
2 stops28h 50m
Multiple Airlines
Sun 13/921:00
ORD
-
STN
1 stop19h 20m
Multiple Airlines
Deal found 24/5£539
Fri 19/606:20
STN
-
STL
3 stops23h 09m
Multiple Airlines
Wed 1/714:40
STL
-
STN
2 stops16h 05m
Multiple Airlines
Deal found 25/5£749
Wed 10/621:30
STN
-
STL
3 stops28h 39m
Multiple Airlines
Wed 17/607:22
STL
-
STN
3 stops24h 58m
Multiple Airlines
Deal found 25/5£757

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 28 May 2026.

Round-trip from

£524

One-way from

£287

Popular in

July

Cheapest in

February

Average price

£583
25/6-9/7
  • 25/6-9/7
  • 4 total stops
  • 40h 02m total
  • London to Illinois
Search Deals
29/8
  • 29/8
  • 3 total stops
  • 30h 07m total
  • London to Illinois
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£52 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 May 2026
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 28 May 2026.
Use the filters below to find and compare flights from London Stansted Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 22/9

06:55-09:40

1 stop32h 45m

Chicago O'Hare Intl

Tue 29/9

11:25-16:50

1 stop23h 25m

£673

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 10/10

10:50-09:40

1 stop28h 50m

Chicago O'Hare Intl

Thu 15/10

20:10-16:50

1 stop38h 40m

£682

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 16/9

06:55-09:40

1 stop32h 45m

Chicago O'Hare Intl

Wed 23/9

20:10-22:10

1 stop20h 00m

£727

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 7/7

06:55-09:40

1 stop32h 45m

Chicago O'Hare Intl

Tue 14/7

11:25-16:50

1 stop23h 25m

£727
Fastest return journey

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 9/9

17:45-09:40

1 stop21h 55m

Chicago O'Hare Intl

Wed 23/9

20:10-22:10

1 stop20h 00m

£828

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 3/7

10:50-09:40

1 stop28h 50m

Chicago O'Hare Intl

Tue 7/7

20:10-16:40

1 stop38h 30m

£936

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 29/6

10:50-09:40

1 stop28h 50m

Chicago O'Hare Intl

Mon 13/7

20:10-22:10

1 stop20h 00m

£960

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 8/7

17:45-09:40

1 stop21h 55m

Chicago O'Hare Intl

Wed 22/7

20:10-22:10

1 stop20h 00m

£997

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 22/6

10:50-09:40

1 stop28h 50m

Chicago O'Hare Intl

Mon 6/7

20:10-22:10

1 stop20h 00m

£1,036

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 26/6

10:50-09:40

1 stop28h 50m

Chicago O'Hare Intl

Thu 9/7

11:25-09:55

1 stop16h 30m

£1,059

Flights are sorted by cheapest return flights first.

Deals found on 23/5

Showing 1-10 of 39 resultsSorted by cheapest first
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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.

  • How long is the flight from London Stansted Airport to Illinois?

    Departing from London Stansted Airport to Illinois will take you 32h 45m. The distance from London Stansted Airport to Illinois is about 3952 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

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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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Heathrow to Newark flights
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Gatwick to LaGuardia flights
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Luton to John F Kennedy Intl flights
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Gatwick to Boston flights
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Gatwick to Orlando flights
Heathrow to Baltimore flights
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Stansted to LaGuardia flights
Gatwick to Los Angeles flights
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Heathrow to George Bush Intcntl flights
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Heathrow to Austin flights
Stansted to Miami flights
London City to Miami flights
Gatwick to San Francisco flights
Heathrow to Tampa flights
London City to San Francisco flights
Stansted to San Francisco flights
London City to Orlando flights
Gatwick to Dulles Intl flights
Heathrow to Ontario flights
Heathrow to Denver flights
Luton to Boston flights
Luton to Miami flights
Gatwick to O'Hare Intl flights

Fly with Cheapflights

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

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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.

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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.

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