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Cheap flights from London Stansted Airport to Illinois from £388

STN — ORD
23 Nov — 30 Nov1
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

Fri 13/1107:45 -
2 stops15h 35m
Mon 16/1118:30 -
2 stops14h 40m
Deal found 20/10£513
Wed 11/1112:45 -
2 stops34h 00m
Wed 18/1119:10 -
2 stops20h 10m
Deal found 20/10£513
Wed 11/1108:15 -
2 stops15h 05m
Sun 15/1120:10 -
2 stops21h 05m
Deal found 20/10£515
Fri 20/1106:45 -
2 stops16h 35m
Fri 27/1118:30 -
2 stops21h 20m
Deal found 23/10£517
Thu 12/1119:50 -
2 stops25h 40m
Sun 29/1120:10 -
1 stop21h 40m
Deal found 24/10£519
Wed 4/1112:45 -
2 stops34h 35m
Wed 11/1118:30 -
2 stops22h 50m
Deal found 20/10£521
Wed 18/1114:30 -
2 stops32h 15m
Mon 23/1119:10 -
2 stops20h 45m
Deal found 19/10£522
Sun 22/1120:55 -
2 stops25h 50m
Wed 2/1219:10 -
2 stops17h 20m
Deal found 22/10£525
Mon 9/1109:45 -
2 stops37h 35m
Fri 13/1120:10 -
1 stop18h 20m
Deal found 22/10£527
Mon 14/1208:20 -
2 stops15h 00m
Fri 25/1218:30 -
2 stops23h 00m
Deal found 23/10£529

Find flight deals from Stansted to Illinois

Round-trip from

£513

One-way from

£388

Popular in

August

Cheapest in

February

Average price

£649
13/11-16/11
  • 13/11-16/11
  • 4 total stops
  • 30h 15m total
  • London to Illinois
Search Deals
19/2-31/12
  • 19/2-31/12
  • 1 total stop
  • 14h 55m total
  • London to Illinois
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£58 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 October 2026
Search Deals

Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Sat 19/12

06:35-17:20

2 stops16h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£415

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Tue 10/11

08:15-00:21

3 stops22h 06m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£418

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Sun 22/11

06:30-14:10

1 stop13h 40m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£490

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Wed 2/12

20:40-14:10

1 stop23h 30m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£502

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Sat 9/1

11:50-19:15

1 stop13h 25m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£505

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Thu 4/2

08:45-19:15

1 stop16h 30m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£507

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Wed 11/11

14:30-14:10

1 stop29h 40m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£518
Fastest return journey

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Sat 7/11

11:50-18:20

1 stop12h 30m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£519

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Fri 30/10

10:35-11:00

2 stops29h 25m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£557

LondonChicago

STN London Stansted - ORD Chicago O'Hare Intl

STNORD

London Stansted

Sun 29/11

06:00-19:55

2 stops19h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£562

Flights are sorted by cheapest return flights first.

Deals found on 21/10

Showing 1-10 of 23 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

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

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

    Departing from London Stansted Airport to Illinois will take you 22h 40m. 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Stansted to Illinois

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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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