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$543+ Cheap flights from Stansted (STN) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
STN — ORD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$543
(Mytrip)

One-way from

$543
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$593
From London Stansted to Illinois
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One-way flight from London Stansted to Illinois
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Highest demand for flights based on searches. 14% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/14. 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 9/248:15 amSTN - ORD
2 stops19h 00mMultiple Airlines
Wed 10/17:25 pmORD - STN
2 stops21h 05mMultiple Airlines
Deal found 9/14$543
This Mytrip deal was found by Cheapflights users on 9/13. 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 10/136:25 amSTN - ORD
1 stop18h 35mMultiple Airlines
Mon 10/203:45 pmORD - STN
1 stop12h 30mMultiple Airlines
Deal found 9/13$550
This Mytrip deal was found by Cheapflights users on 9/13. 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 11/18:30 amSTN - ORD
2 stops14h 50mMultiple Airlines
Sun 11/26:30 pmORD - STN
2 stops22h 30mMultiple Airlines
Deal found 9/13$551
This Mytrip deal was found by Cheapflights users on 9/13. 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 9/2510:55 pmSTN - ORD
1 stop21h 05mMultiple Airlines
Mon 9/293:45 pmORD - STN
1 stop20h 35mMultiple Airlines
Deal found 9/13$552
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Tue 9/2311:15 amSTN - ORD
1 stop13h 45mMultiple Airlines
Tue 9/303:45 pmORD - STN
1 stop12h 25mMultiple Airlines
Deal found 9/15$553
This Mytrip deal was found by Cheapflights users on 9/13. 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 10/301:45 pmSTN - ORD
2 stops33h 00mMultiple Airlines
Sun 11/27:20 pmORD - STN
3 stops21h 40mMultiple Airlines
Deal found 9/13$559
This Mytrip deal was found by Cheapflights users on 9/13. 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 9/208:15 amSTN - ORD
1 stop11h 45mMultiple Airlines
Fri 10/39:15 pmORD - STN
1 stop13h 20mMultiple Airlines
Deal found 9/13$565
This Mytrip deal was found by Cheapflights users on 9/13. 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 10/1510:10 pmSTN - ORD
2 stops20h 25mMultiple Airlines
Wed 11/127:10 pmORD - STN
2 stops21h 05mMultiple Airlines
Deal found 9/13$566
This Mytrip deal was found by Cheapflights users on 9/14. 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 10/1510:10 pmSTN - ORD
2 stops20h 25mMultiple Airlines
Sun 10/196:00 pmORD - STN
2 stops21h 45mMultiple Airlines
Deal found 9/14$570
This Mytrip deal was found by Cheapflights users on 9/14. 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 11/176:10 amSTN - ORD
2 stops16h 35mMultiple Airlines
Sun 11/237:20 pmORD - STN
2 stops18h 45mMultiple Airlines
Deal found 9/14$578
This Mytrip deal was found by Cheapflights users on 9/14. 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 11/17:15 pmSTN - ORD
2 stops28h 05mMultiple Airlines
Sun 11/96:30 pmORD - STN
2 stops19h 50mMultiple Airlines
Deal found 9/14$584
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/236:55 amSTN - STL
2 stops14h 23mMultiple Airlines
Sun 10/264:50 pmSTL - STN
2 stops18h 45mMultiple Airlines
Deal found 9/15$1,158

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 September 15, 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 10/13

6:25 am-7:00 pm

1 stop18h 35m

Chicago O'Hare Intl

Mon 10/20

3:45 pm-10:15 am

1 stop12h 30m

$550

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 10/30

6:30 am-9:05 pm

2 stops19h 35m

Chicago O'Hare Intl

Sun 11/2

9:50 pm-11:00 pm

2 stops19h 10m

$550

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 11/1

8:30 am-6:20 pm

2 stops14h 50m

Chicago O'Hare Intl

Sun 11/2

6:30 pm-11:00 pm

2 stops22h 30m

$551

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 9/25

10:55 pm-2:00 pm

1 stop21h 05m

Chicago O'Hare Intl

Mon 9/29

3:45 pm-6:20 pm

1 stop20h 35m

$552

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 10/15

10:10 pm-12:35 pm

2 stops20h 25m

Chicago O'Hare Intl

Sun 10/19

6:00 pm-9:45 pm

2 stops21h 45m

$570

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 10/28

6:05 pm-4:10 pm

2 stops27h 05m

Chicago O'Hare Intl

Tue 11/4

5:20 pm-11:10 pm

2 stops23h 50m

$670

LondonChicago

STN - ORD

STNORD

London Stansted

Sun 11/9

12:35 pm-4:45 pm

2 stops34h 10m

Chicago O'Hare Intl

Thu 11/13

7:20 pm-11:10 pm

2 stops21h 50m

$676

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 11/17

7:35 am-4:45 pm

1 stop15h 10m

Chicago O'Hare Intl

Fri 11/21

7:20 pm-3:15 pm

1 stop13h 55m

$690

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 10/8

7:30 am-9:22 am

3 stops31h 52m

Chicago O'Hare Intl

Sun 10/19

6:00 pm-9:45 pm

2 stops21h 45m

$701

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 10/6

9:30 pm-10:07 pm

3 stops30h 37m

Chicago O'Hare Intl

Sun 10/19

6:00 pm-9:45 pm

2 stops21h 45m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 29 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.

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

    Currently, August is the cheapest month in which you can book a flight from London Stansted Airport to Illinois (average of $245). Flying from London Stansted Airport to Illinois in March is currently the most expensive (average of $321). 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.

See more FAQs

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Alternative routes for Stansted to Illinois

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