When did momondo last update prices for flights from Illinois to London Stansted Airport?

Prices for flights from Illinois to London Stansted Airport are updated daily.

How old do you have to be to fly from Illinois to London Stansted Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to London Stansted Airport.

What documentation or ID do you need to fly to London Stansted Airport?

The travel and health documents required for your trip to London Stansted Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£167 Cheap Flights from Illinois to London Stansted Airport in 2025

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Find the cheapest flights from Illinois to London

Round-trip

One-way

Last minute

Cheap return flights

18:00 - 21:05ORD-STN

21h 05m2 stops

21:45 - 16:10STN-ORD

24h 25m2 stops

£335

Find Deal

Fri, 26 Sep - Tue, 30 Sep

19:10 - 19:40ORD-STN

18h 30m2 stops

20:25 - 15:00STN-ORD

24h 35m2 stops

£369

Find Deal

Wed, 12 Nov - Tue, 18 Nov

20:50 - 23:20ORD-STN

21h 30m3 stops

13:30 - 16:45STN-ORD

33h 15m3 stops

£375

Find Deal

Thu, 30 Oct - Fri, 7 Nov

19:15 - 22:10ORD-STN

20h 55m2 stops

13:30 - 16:45STN-ORD

33h 15m3 stops

£381

Find Deal

Mon, 20 Oct - Fri, 7 Nov

18:00 - 23:20ORD-STN

23h 20m2 stops

07:30 - 12:35STN-ORD

35h 05m2 stops

£398

Find Deal

Sun, 12 Oct - Wed, 15 Oct

19:15 - 21:00ORD-STN

19h 45m2 stops

13:15 - 16:10STN-ORD

32h 55m2 stops

£413

Find Deal

Mon, 6 Oct - Wed, 15 Oct

19:15 - 00:20ORD-STN

23h 05m2 stops

14:45 - 16:10STN-ORD

31h 25m3 stops

£414

Find Deal

Sat, 11 Oct - Sat, 18 Oct

19:15 - 00:45ORD-STN

23h 30m2 stops

06:25 - 17:55STN-ORD

16h 30m2 stops

£415

Find Deal

Thu, 16 Oct - Sun, 26 Oct

19:25 - 17:25ORD-STN

16h 00m2 stops

15:00 - 18:20STN-ORD

32h 20m2 stops

£416

Find Deal

Thu, 23 Oct - Sun, 26 Oct

17:30 - 19:00STL-STN

43h 30m2 stops

19:50 - 15:44STN-STL

25h 54m2 stops

£650Lufthansa

Find Deal

Sun, 21 Sep - Tue, 30 Sep

momondo Fare Finder

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

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 26/9

18:00-21:05

2 stops21h 05m

London Stansted

Tue 30/9

21:45-16:10

2 stops24h 25m

£335

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 12/11

19:10-19:40

2 stops18h 30m

London Stansted

Tue 18/11

20:25-15:00

2 stops24h 35m

£369

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 30/10

20:50-23:20

3 stops21h 30m

London Stansted

Fri 7/11

13:30-16:45

3 stops33h 15m

£375

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 20/10

19:15-22:10

2 stops20h 55m

London Stansted

Fri 7/11

13:30-16:45

3 stops33h 15m

£381

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 12/10

18:00-23:20

2 stops23h 20m

London Stansted

Wed 15/10

07:30-12:35

2 stops35h 05m

£398

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 6/10

19:15-21:00

2 stops19h 45m

London Stansted

Wed 15/10

13:15-16:10

2 stops32h 55m

£413

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sat 11/10

19:15-00:20

2 stops23h 05m

London Stansted

Sat 18/10

14:45-16:10

3 stops31h 25m

£414

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 16/10

19:15-00:45

2 stops23h 30m

London Stansted

Sun 26/10

06:25-17:55

2 stops16h 30m

£414

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 23/10

19:25-17:25

2 stops16h 00m

London Stansted

Sun 26/10

15:00-18:20

2 stops32h 20m

£416

St. LouisLondon

STL - STN

STLSTN

Lambert-St Louis

Sun 21/9

17:30-19:00

2 stops43h 30m

London Stansted

Tue 30/9

19:50-15:44

2 stops25h 54m

£650

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to London Stansted Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to London Stansted Airport?

Flight times vary depending on what airport in Illinois you fly out of and what airport in London Stansted Airport you fly into. For example, flying from Chicago to London Heathrow Airport takes 9h 22m on average. On the other hand, flying from Peoria to London Heathrow Airport takes 10h 15m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

Cheap Illinois to London Stansted Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to London Stansted Airport

Best price found	£167
Fastest flight time	11h 05m
Direct flights	None

The best one-way flight to London Stansted Airport from Illinois in the past 72 hours is £167. The best return flight deal from Illinois to London Stansted Airport found on momondo in the last 72 hours is £335.

The fastest flight from Illinois to London Stansted Airport takes 11h 05m

There are no direct flights from Illinois to London Stansted Airport. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - London Stansted Airport and Chicago Midway Airport - London Stansted Airport.

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When did momondo last update prices for flights from Illinois to London Stansted Airport?
Prices for flights from Illinois to London Stansted Airport are updated daily.
How old do you have to be to fly from Illinois to London Stansted Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to London Stansted Airport.
What documentation or ID do you need to fly to London Stansted Airport?
The travel and health documents required for your trip to London Stansted Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

Milton Keynes

Luton

Slough

Maidstone

Gatwick

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Colchester

Worthing

Hounslow

Dartford

Dover

Chelmsford

Hayes

Bedford

Winchester

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Illinois.

Can I find flights from Illinois to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to London?

Once you have performed a search for Illinois to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Illinois to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.