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Cheap flights from Illinois to London Stansted Airport from £297

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — STN
4 May — 11 May1
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 4 April 2026.

Sun 19/419:25
ORD
-
STN
2 stops21h 55m
Multiple Airlines
Tue 28/407:10
STN
-
ORD
2 stops17h 05m
Multiple Airlines
Deal found 31/3£489
Tue 21/420:10
ORD
-
STN
1 stop38h 30m
Turkish Airlines
Tue 28/406:55
STN
-
ORD
1 stop32h 45m
Turkish Airlines
Deal found 31/3£489
Tue 28/411:25
ORD
-
STN
1 stop16h 30m
Turkish Airlines
Tue 12/506:55
STN
-
ORD
1 stop17h 20m
Turkish Airlines
Deal found 30/3£490
Thu 23/420:10
ORD
-
STN
1 stop38h 40m
Turkish Airlines
Wed 6/517:45
STN
-
ORD
1 stop21h 55m
Turkish Airlines
Deal found 31/3£493
Thu 16/420:10
ORD
-
STN
1 stop38h 40m
Turkish Airlines
Mon 20/410:50
STN
-
ORD
1 stop28h 50m
Turkish Airlines
Deal found 31/3£494
Wed 15/420:10
ORD
-
STN
1 stop20h 00m
Turkish Airlines
Wed 22/410:50
STN
-
ORD
1 stop28h 50m
Turkish Airlines
Deal found 31/3£495
Sun 19/420:10
ORD
-
STN
1 stop20h 00m
Turkish Airlines
Wed 13/506:55
STN
-
ORD
1 stop32h 45m
Turkish Airlines
Deal found 31/3£496
Fri 24/411:25
ORD
-
STN
1 stop16h 30m
Turkish Airlines
Wed 29/417:45
STN
-
ORD
1 stop21h 55m
Turkish Airlines
Deal found 31/3£497
Sun 19/419:25
ORD
-
STN
3 stops23h 25m
Multiple Airlines
Mon 4/506:30
STN
-
ORD
3 stops32h 35m
Multiple Airlines
Deal found 30/3£498
Fri 24/407:45
STL
-
STN
2 stops32h 25m
Turkish Airlines
Tue 28/417:35
STN
-
STL
2 stops33h 38m
Turkish Airlines
Deal found 1/4£759
Tue 21/407:45
STL
-
STN
2 stops27h 05m
Turkish Airlines
Tue 28/417:35
STN
-
STL
2 stops33h 38m
Turkish Airlines
Deal found 3/4£759
Mon 13/407:45
STL
-
STN
2 stops44h 10m
Turkish Airlines
Mon 27/410:50
STN
-
STL
2 stops40h 23m
Turkish Airlines
Deal found 31/3£772

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 4 April 2026.

Round-trip from

£489

One-way from

£297

Popular in

June

Cheapest in

February

Average price

£522
19/4-28/4
  • 19/4-28/4
  • 4 total stops
  • 39h 00m total
  • Illinois to London
Search Deals
19/5
  • 19/5
  • 2 total stops
  • 20h 55m total
  • Illinois to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£124 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 4 April 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

Thu 23/4

20:10-09:55

1 stop31h 45m

London Stansted

Fri 8/5

17:35-09:40

1 stop22h 05m

£511

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Tue 21/4

20:10-16:40

1 stop38h 30m

London Stansted

Tue 28/4

17:35-09:40

1 stop22h 05m

£512

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Tue 14/4

20:10-16:40

1 stop38h 30m

London Stansted

Mon 20/4

10:50-09:40

1 stop28h 50m

£542

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 10/9

20:10-09:55

1 stop31h 45m

London Stansted

Tue 15/9

06:55-09:40

1 stop32h 45m

£585

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

£680

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sat 15/8

22:25-23:15

2 stops18h 50m

London Stansted

Tue 18/8

20:15-19:15

2 stops29h 00m

£719
Fastest return journey

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 4/5

11:25-16:40

1 stop23h 15m

London Stansted

Fri 8/5

06:55-18:15

1 stop17h 20m

£770

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 17/5

13:05-19:30

2 stops24h 25m

London Stansted

Tue 26/5

06:30-12:06

2 stops35h 36m

£843

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Tue 28/7

17:33-16:40

2 stops41h 07m

London Stansted

Tue 4/8

06:55-21:26

2 stops44h 31m

£855

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Fri 1/5

07:45-22:10

2 stops32h 25m

London Stansted

Fri 8/5

06:55-21:13

2 stops44h 18m

£856

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 45 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 31h 45m. 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
Wembley
Croydon
Hounslow
Gatwick
Slough
Ilford
Luton
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Romford
Eastbourne
Bedford
Chelmsford
Ipswich
Southend-on-Sea

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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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Los Angeles to Stansted flights
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Philadelphia to Heathrow flights
O'Hare Intl to Gatwick flights
John F Kennedy Intl to Southend flights
O'Hare Intl to London City flights
Los Angeles to London City flights
LaGuardia to Stansted flights
Baltimore to Gatwick flights
Reagan-National to Gatwick flights
O'Hare Intl to Stansted flights
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San Francisco to Gatwick flights
Seattle to Gatwick flights
Raleigh to Heathrow flights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Stansted from Illinois today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Illinois to Stansted by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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