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$529+ Cheap flights from Stansted (STN) to Illinois

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
STN — ORD
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This Mytrip deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:45 pmSTN - ORD
2 stops32h 00mMultiple Airlines
Wed 11/267:20 pmORD - STN
2 stops19h 45mMultiple Airlines
Deal found 11/3$539
This Mytrip deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:30 amSTN - ORD
2 stops14h 50mMultiple Airlines
Sun 11/166:30 pmORD - STN
2 stops17h 50mMultiple Airlines
Deal found 10/31$546
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:30 amSTN - ORD
1 stop13h 30mMultiple Airlines
Tue 11/257:40 pmORD - STN
1 stop16h 40mMultiple Airlines
Deal found 11/2$551
This Mytrip deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:30 amSTN - ORD
1 stop13h 30mMultiple Airlines
Tue 12/23:50 pmORD - STN
1 stop20h 30mMultiple Airlines
Deal found 11/1$557
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:30 amSTN - ORD
1 stop13h 30mMultiple Airlines
Sun 11/233:50 pmORD - STN
1 stop15h 30mMultiple Airlines
Deal found 11/2$558
This Mytrip deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/218:30 amSTN - ORD
2 stops14h 50mMultiple Airlines
Mon 11/246:30 pmORD - STN
2 stops20h 50mMultiple Airlines
Deal found 11/1$572
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:30 amSTN - ORD
2 stops14h 50mMultiple Airlines
Mon 12/16:30 pmORD - STN
2 stops17h 50mMultiple Airlines
Deal found 11/2$573
This Mytrip deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:30 amSTN - ORD
2 stops16h 50mMultiple Airlines
Wed 11/126:30 pmORD - STN
2 stops17h 20mMultiple Airlines
Deal found 11/1$576
This Mytrip deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:30 amSTN - ORD
2 stops16h 50mMultiple Airlines
Mon 11/106:30 pmORD - STN
2 stops20h 50mMultiple Airlines
Deal found 11/3$581
This Mytrip deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:30 amSTN - ORD
1 stop13h 30mMultiple Airlines
Mon 12/17:40 pmORD - STN
1 stop16h 40mMultiple Airlines
Deal found 11/1$584
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:05 pmSTN - STL
2 stops25h 24mMultiple Airlines
Thu 12/114:05 pmSTL - STN
3 stops19h 15mMultiple Airlines
Deal found 11/2$1,193
This Mytrip deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:00 pmSTN - STL
3 stops33h 56mMultiple Airlines
Fri 12/53:50 pmSTL - STN
2 stops15h 30mMultiple Airlines
Deal found 11/3$1,384

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 November 3, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$551
(Mytrip)

One-way from

$529
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$644
Provider with most accurate pricing for London (LON)-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Chicago (CHI) flights.
Search Deals
From London Stansted to Illinois
Search Deals
One-way flight from London Stansted to Illinois
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated November 3, 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

Sat 11/15

6:30 am-2:00 pm

1 stop13h 30m

Chicago O'Hare Intl

Sun 11/23

7:40 pm-6:20 pm

1 stop16h 40m

$560

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 11/20

6:30 am-2:00 pm

1 stop13h 30m

Chicago O'Hare Intl

Sun 11/23

7:40 pm-9:20 pm

1 stop19h 40m

$560

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 11/20

6:30 am-2:00 pm

1 stop13h 30m

Chicago O'Hare Intl

Tue 12/2

3:50 pm-6:20 pm

1 stop20h 30m

$560

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 11/17

8:30 am-5:20 pm

2 stops14h 50m

Chicago O'Hare Intl

Mon 12/1

6:30 pm-9:20 pm

2 stops20h 50m

$575

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 1/16

5:55 am-5:20 pm

2 stops17h 25m

Chicago O'Hare Intl

Sun 1/18

6:30 pm-8:55 pm

2 stops20h 25m

$579

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 12/5

8:30 am-5:55 pm

1 stop15h 25m

Chicago O'Hare Intl

Fri 12/12

7:40 pm-4:35 pm

1 stop14h 55m

$585

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 11/21

6:30 am-2:00 pm

1 stop13h 30m

Chicago O'Hare Intl

Mon 11/24

3:50 pm-7:50 am

1 stop10h 00m

$602

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 11/19

6:25 pm-4:45 pm

2 stops28h 20m

Chicago O'Hare Intl

Wed 11/26

7:20 pm-10:40 pm

2 stops21h 20m

$645

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 12/13

6:55 pm-2:45 pm

2 stops25h 50m

Chicago O'Hare Intl

Mon 2/2

9:00 pm-2:20 pm

1 stop11h 20m

$651

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 12/16

6:30 am-2:00 pm

1 stop13h 30m

Chicago O'Hare Intl

Tue 12/23

3:50 pm-7:50 am

1 stop10h 00m

$654

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 31 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 round-trip 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 vacation 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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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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