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Cheap flights from Illinois to London Stansted Airport from £304

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — STN
8 Jun — 15 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Stansted

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Stansted
Explore the most affordable flight options available from Illinois to Stansted. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 May 2026.

Wed 11/1115:55
ORD
-
STN
1 stop9h 55m
Multiple Airlines
Mon 16/1106:00
STN
-
ORD
2 stops17h 20m
Multiple Airlines
Deal found 4/5£563
Tue 29/911:25
ORD
-
STN
1 stop23h 25m
Turkish Airlines
Fri 23/1017:35
STN
-
ORD
1 stop22h 05m
Turkish Airlines
Deal found 4/5£565
Tue 10/1117:40
ORD
-
STN
1 stop12h 25m
Multiple Airlines
Mon 16/1106:00
STN
-
ORD
2 stops17h 20m
Multiple Airlines
Deal found 4/5£570
Wed 11/1115:55
ORD
-
STN
1 stop9h 55m
Multiple Airlines
Tue 17/1107:15
STN
-
ORD
2 stops16h 05m
Multiple Airlines
Deal found 4/5£576
Thu 24/921:30
ORD
-
STN
1 stop16h 05m
Multiple Airlines
Sat 3/1019:55
STN
-
ORD
2 stops27h 55m
Multiple Airlines
Deal found 4/5£580
Sun 1/1118:30
ORD
-
STN
2 stops20h 05m
Multiple Airlines
Sat 7/1120:50
STN
-
ORD
2 stops24h 40m
Multiple Airlines
Deal found 4/5£581
Tue 10/1117:40
ORD
-
STN
1 stop12h 25m
Multiple Airlines
Tue 17/1107:15
STN
-
ORD
2 stops16h 05m
Multiple Airlines
Deal found 4/5£582
Wed 11/1119:40
ORD
-
STN
1 stop11h 55m
Multiple Airlines
Thu 19/1106:45
STN
-
ORD
2 stops16h 35m
Multiple Airlines
Deal found 4/5£583
Thu 12/1111:50
ORD
-
STN
1 stop16h 00m
Turkish Airlines
Thu 19/1117:20
STN
-
ORD
1 stop22h 45m
Turkish Airlines
Deal found 4/5£584
Fri 6/1118:30
ORD
-
STN
2 stops22h 45m
Multiple Airlines
Sun 15/1121:25
STN
-
ORD
3 stops25h 55m
Multiple Airlines
Deal found 4/5£585
Mon 17/821:00
ORD
-
STN
1 stop11h 40m
Multiple Airlines
Mon 31/818:30
STN
-
ORD
2 stops30h 45m
Multiple Airlines
Deal found 5/5£587
Tue 26/509:55
ORD
-
STN
3 stops27h 40m
Multiple Airlines
Fri 5/621:25
STN
-
ORD
2 stops24h 40m
Multiple Airlines
Deal found 5/5£590

Find flight deals from Illinois to Stansted

Keep the following information in mind while searching for Illinois to Stansted flight deals. Data was last updated 9 May 2026.

Round-trip from

£565

One-way from

£300

Popular in

June

Cheapest in

February

Average price

£679
Turkish Airlines
  • Turkish Airlines
  • 29/9-23/10
  • 2 total stops
  • 45h 30m total
  • Illinois to London
Search Deals
5/7
  • 5/7
  • 3 total stops
  • 54h 47m total
  • Illinois to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£146 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£26 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 Illinois to Stansted 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 9 May 2026.
Use the filters below to find and compare flights from Illinois to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Tue 29/9

11:25-09:55

1 stop16h 30m

London Stansted

Fri 23/10

10:50-09:40

1 stop28h 50m

£594

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 4/11

21:20-22:15

1 stop18h 55m

London Stansted

Tue 10/11

17:20-10:05

1 stop22h 45m

£630

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 23/8

11:25-09:55

1 stop16h 30m

London Stansted

Wed 2/9

06:55-09:40

1 stop32h 45m

£754

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 14/8

20:10-09:55

1 stop31h 45m

London Stansted

Sun 30/8

10:50-09:40

1 stop28h 50m

£759

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sat 4/7

20:10-09:55

1 stop31h 45m

London Stansted

Thu 9/7

17:35-09:40

1 stop22h 05m

£967

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sat 3/10

08:00-09:55

2 stops19h 55m

London Stansted

Thu 8/10

17:35-14:18

2 stops26h 43m

£973

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 3/6

20:10-16:40

1 stop38h 30m

London Stansted

Tue 9/6

17:35-09:40

1 stop22h 05m

£975

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 20/10

08:00-09:55

2 stops19h 55m

London Stansted

Mon 26/10

10:50-14:18

2 stops32h 28m

£979

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 19/6

20:10-09:55

1 stop31h 45m

London Stansted

Fri 26/6

10:50-09:40

1 stop28h 50m

£1,003

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Wed 21/10

12:10-16:40

2 stops22h 30m

London Stansted

Wed 28/10

17:20-14:18

2 stops49h 58m

£1,023

Flights are sorted by cheapest return flights first.

Deals found on 4/5

Showing 1-10 of 52 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Stansted

Have a flexible travel schedule? Discover the best time to fly to Stansted from Illinois 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 Illinois to London Stansted Airport
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 Illinois to Stansted. 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 Illinois to London Stansted Airport?

    Departing from Illinois to London Stansted Airport will take you 16h 30m. There are 3952 mi between Illinois and London Stansted Airport.

  • What are the most popular routes from Illinois to London Stansted Airport?

    The most popular route from Illinois to London Stansted Airport is Chicago O'Hare Intl - London Stansted. You may also consider Lambert-St Louis - London Stansted or Chicago Midway - London Stansted.

  • Can I find deals for flights from Illinois to Stansted that include hotel bookings?

    Yes. In addition to deals on Illinois to Stansted flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Stansted?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Stansted.

  • Can I find deals for business class flights from Illinois to Stansted?

    Yes. Cheapflights offers flight deals from Illinois to Stansted 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

Travelling to a place near London Stansted Airport?

Book flights to London Stansted Airport if you plan to visit one of these locations
Milton Keynes
Hounslow
Croydon
Wembley
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Chelmsford
Southall

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Alternative routes for Illinois to Stansted

See prices for flight routes from nearby airports that may be better suited for you.
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O'Hare Intl to Gatwick flights
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How does Cheapflights help users find flights from Illinois to Stansted?

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Why should you use Cheapflights to find cheap flight tickets from Illinois to Stansted?

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Can Cheapflights find flights from Illinois to Stansted with no change fees?

Certainly. Search results for flights to Stansted from Illinois shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Illinois to Stansted become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Stansted from Illinois today and book when prices fit your budget.

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