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

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Stansted Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£245 Cheap Flights from London Stansted Airport to Illinois in 2025

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Find the cheapest flights from London Stansted Airport to Illinois

Round-trip

One-way

Last minute

Cheap return flights

08:15 - 18:15STN-ORD

16h 00m2 stops

19:25 - 16:35ORD-STN

15h 10m2 stops

£372

Find Deal

Wed, 17 Sep - Tue, 30 Sep

13:30 - 17:55STN-ORD

33h 25m2 stops

20:50 - 23:20ORD-STN

21h 30m2 stops

£409

Find Deal

Sun, 26 Oct - Thu, 30 Oct

08:15 - 14:00STN-ORD

11h 45m1 stop

21:15 - 21:20ORD-STN

18h 05m1 stop

£411

Find Deal

Mon, 1 Sep - Fri, 5 Sep

08:15 - 14:00STN-ORD

11h 45m1 stop

15:45 - 10:10ORD-STN

12h 25m1 stop

£413

Find Deal

Tue, 2 Sep - Tue, 9 Sep

11:25 - 21:15STN-ORD

15h 50m2 stops

19:25 - 23:30ORD-STN

22h 05m2 stops

£415

Find Deal

Tue, 2 Sep - Tue, 9 Sep

22:50 - 14:00STN-ORD

21h 10m1 stop

21:15 - 17:05ORD-STN

13h 50m1 stop

£418

Find Deal

Fri, 19 Sep - Fri, 26 Sep

08:15 - 14:00STN-ORD

11h 45m1 stop

15:45 - 10:10ORD-STN

12h 25m1 stop

£418

Find Deal

Wed, 1 Oct - Tue, 7 Oct

06:40 - 14:00STN-ORD

13h 20m1 stop

21:15 - 17:05ORD-STN

13h 50m1 stop

£426

Find Deal

Fri, 19 Sep - Fri, 26 Sep

10:35 - 19:00STN-ORD

14h 25m1 stop

15:45 - 08:40ORD-STN

10h 55m1 stop

£435

Find Deal

Wed, 17 Sep - Tue, 30 Sep

09:05 - 19:00STN-ORD

15h 55m1 stop

21:15 - 21:15ORD-STN

18h 00m1 stop

£439

Find Deal

Wed, 24 Sep - Sun, 28 Sep

momondo Fare Finder

Use the filters below to find and compare flights from London Stansted Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 17/9

08:15-18:15

2 stops16h 00m

Chicago O'Hare Intl

Tue 30/9

19:25-16:35

2 stops15h 10m

£372

LondonChicago

STN - ORD

STNORD

London Stansted

Sun 26/10

13:30-17:55

2 stops33h 25m

Chicago O'Hare Intl

Thu 30/10

20:50-23:20

2 stops21h 30m

£409

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 1/9

08:15-14:00

1 stop11h 45m

Chicago O'Hare Intl

Fri 5/9

21:15-21:20

1 stop18h 05m

£411

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 2/9

08:15-14:00

1 stop11h 45m

Chicago O'Hare Intl

Tue 9/9

15:45-10:10

1 stop12h 25m

£413

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 2/9

11:25-21:15

2 stops15h 50m

Chicago O'Hare Intl

Tue 9/9

19:25-23:30

2 stops22h 05m

£415

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 19/9

22:50-14:00

1 stop21h 10m

Chicago O'Hare Intl

Fri 26/9

21:15-17:05

1 stop13h 50m

£418

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 1/10

08:15-14:00

1 stop11h 45m

Chicago O'Hare Intl

Tue 7/10

15:45-10:10

1 stop12h 25m

£418

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 19/9

06:40-14:00

1 stop13h 20m

Chicago O'Hare Intl

Fri 26/9

21:15-17:05

1 stop13h 50m

£426

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 17/9

10:35-19:00

1 stop14h 25m

Chicago O'Hare Intl

Tue 30/9

15:45-08:40

1 stop10h 55m

£435

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 24/9

09:05-19:00

1 stop15h 55m

Chicago O'Hare Intl

Sun 28/9

21:15-21:15

1 stop18h 00m

£439

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 London Stansted Airport to Illinois

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

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart on your flight to Illinois is on a Wednesday when prices can be found for as low as £502. This is often the case because there is less demand to fly during this day of the week. Flights from London Stansted Airport to Illinois on a Sunday will generally be more expensive and average around £601. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our data shows that the cheapest London Stansted Airport to Illinois flights are usually those with departure times in the morning. Our users have found flights to Illinois in the morning for as low as £502. In the afternoon is when there is more demand to fly to Illinois, so prices are often more expensive at around £520 per ticket.

Cheap London Stansted Airport to Illinois flight deals and tips

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

Best price found	£245
Fastest flight time	11h 45m
Direct flights	None
Airports in Illinois	2 airports

The best one-way flight to Illinois from London Stansted Airport in the past 72 hours is £245. The best return flight deal from London Stansted Airport to Illinois found on momondo in the last 72 hours is £372.

The fastest flight from London Stansted Airport to Illinois takes 11h 45m

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

There are 2 airports near Illinois: Chicago O'Hare Intl (ORD), Lambert-St Louis (STL)

Search flight deals

When did momondo last update prices for flights from London Stansted Airport to Illinois?
Prices for flights from London Stansted Airport to Illinois are updated daily.
How old do you have to be to fly from London Stansted Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Stansted Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

It is quick and easy to find London to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

Flights from London to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from London.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from London and alert you when they change.