How do I get Price Alerts for flights from London Stansted Airport to Illinois?

Price Alerts will notify you by email when the price for flights to Illinois from London Stansted Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from London Stansted Airport to Illinois with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

Prices for flights from London Stansted Airport to Illinois are refreshed on a daily basis.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$324 Cheap Flights from London Stansted Airport to Illinois in 2025

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Stansted Airport to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

6:55 am - 9:15 pmSTN-ORD

20h 20m2 stops

7:25 pm - 7:30 pmORD-STN

18h 05m2 stops

$491

Find Deal

Thu, Aug 28 - Thu, Sep 4

8:15 am - 6:15 pmSTN-ORD

16h 00m2 stops

7:25 pm - 6:10 pmORD-STN

16h 45m2 stops

$492

Find Deal

Wed, Sep 17 - Tue, Sep 30

8:15 am - 6:15 pmSTN-ORD

16h 00m2 stops

7:25 pm - 9:15 pmORD-STN

19h 50m2 stops

$498

Find Deal

Wed, Sep 17 - Tue, Sep 30

3:15 pm - 5:45 pmSTN-ORD

31h 30m3 stops

7:20 pm - 9:20 pmORD-STN

20h 00m2 stops

$514

Find Deal

Fri, Oct 31 - Mon, Nov 3

10:05 pm - 8:05 pmSTN-ORD

28h 00m2 stops

6:50 pm - 11:25 pmORD-STN

22h 35m2 stops

$528

Find Deal

Sat, Nov 22 - Sun, Dec 7

9:45 pm - 5:45 pmSTN-ORD

25h 00m2 stops

7:20 pm - 9:20 pmORD-STN

20h 00m2 stops

$534

Find Deal

Fri, Oct 31 - Mon, Nov 3

1:10 pm - 4:10 pmSTN-ORD

33h 00m2 stops

7:15 pm - 9:15 pmORD-STN

20h 00m2 stops

$536

Find Deal

Thu, Sep 4 - Sun, Sep 7

10:45 am - 7:00 pmSTN-ORD

14h 15m1 stop

9:15 pm - 10:55 pmORD-STN

19h 40m1 stop

$539

Find Deal

Tue, Sep 2 - Tue, Sep 9

6:40 am - 6:15 pmSTN-ORD

17h 35m2 stops

7:25 pm - 9:20 pmORD-STN

19h 55m2 stops

$543

Find Deal

Fri, Aug 29 - Fri, Sep 5

8:15 am - 2:00 pmSTN-ORD

11h 45m1 stop

9:15 pm - 9:20 pmORD-STN

18h 05m1 stop

$546

Find Deal

Mon, Sep 1 - Fri, Sep 5

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

Thu 8/28

6:55 am-9:15 pm

2 stops20h 20m

Chicago O'Hare Intl

Thu 9/4

7:25 pm-7:30 pm

2 stops18h 05m

$491

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 9/17

8:15 am-6:15 pm

2 stops16h 00m

Chicago O'Hare Intl

Tue 9/30

7:25 pm-6:10 pm

2 stops16h 45m

$492

LondonChicago

STN - ORD

STNORD

London Stansted

Wed 9/17

8:15 am-6:15 pm

2 stops16h 00m

Chicago O'Hare Intl

Tue 9/30

7:25 pm-9:15 pm

2 stops19h 50m

$498

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 10/31

3:15 pm-5:45 pm

3 stops31h 30m

Chicago O'Hare Intl

Mon 11/3

7:20 pm-9:20 pm

2 stops20h 00m

$514

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 11/22

10:05 pm-8:05 pm

2 stops28h 00m

Chicago O'Hare Intl

Sun 12/7

6:50 pm-11:25 pm

2 stops22h 35m

$528

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 10/31

9:45 pm-5:45 pm

2 stops25h 00m

Chicago O'Hare Intl

Mon 11/3

7:20 pm-9:20 pm

2 stops20h 00m

$534

LondonChicago

STN - ORD

STNORD

London Stansted

Thu 9/4

1:10 pm-4:10 pm

2 stops33h 00m

Chicago O'Hare Intl

Sun 9/7

7:15 pm-9:15 pm

2 stops20h 00m

$536

LondonChicago

STN - ORD

STNORD

London Stansted

Tue 9/2

10:45 am-7:00 pm

1 stop14h 15m

Chicago O'Hare Intl

Tue 9/9

9:15 pm-10:55 pm

1 stop19h 40m

$539

LondonChicago

STN - ORD

STNORD

London Stansted

Fri 8/29

6:40 am-6:15 pm

2 stops17h 35m

Chicago O'Hare Intl

Fri 9/5

7:25 pm-9:20 pm

2 stops19h 55m

$543

LondonChicago

STN - ORD

STNORD

London Stansted

Mon 9/1

8:15 am-2:00 pm

1 stop11h 45m

Chicago O'Hare Intl

Fri 9/5

9:15 pm-9:20 pm

1 stop18h 05m

$546

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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	$324
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 $324. The best round-trip flight deal from London Stansted Airport to Illinois found on momondo in the last 72 hours is $491.

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 refreshed on a daily basis.
How old do you have to be to fly from London Stansted Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from London Stansted Airport to Illinois?
Price Alerts will notify you by email when the price for flights to Illinois from London Stansted Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from London Stansted Airport to Illinois with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Illinois from London which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for London to Illinois 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 London to Illinois right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.