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Cheap flights from Illinois to London from $314

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to London departing on 7/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:45 pm - 7:50 am
ORD
-
STN
10h 05m
1 stop
Multiple Airlines Logo
10:50 pm - 4:57 pm
STN
-
ORD
24h 07m
2 stops
$880Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
10:25 pm - 11:40 pm
ORD
-
STN
19h 15m
2 stops
Multiple Airlines Logo
7:20 pm - 8:05 pm
STN
-
ORD
30h 45m
3 stops
$881Multiple Airlines
Sun, Aug 9 - Tue, Aug 11
Multiple Airlines Logo
9:50 am - 12:50 am
ORD
-
STN
33h 00m
3 stops
Multiple Airlines Logo
4:25 pm - 2:10 pm
STN
-
ORD
26h 45m
2 stops
$882Multiple Airlines
Tue, Oct 13 - Thu, Oct 29
Lufthansa Logo
3:35 pm - 10:10 am
ORD
-
STN
12h 35m
1 stop
Lufthansa Logo
4:25 pm - 12:55 pm
STN
-
ORD
26h 30m
2 stops
$883Lufthansa
Sun, Sep 27 - Mon, Oct 5
Multiple Airlines Logo
10:25 pm - 11:40 pm
ORD
-
STN
19h 15m
2 stops
Multiple Airlines Logo
7:20 pm - 7:52 pm
STN
-
ORD
30h 32m
2 stops
$885Multiple Airlines
Sun, Aug 9 - Tue, Aug 11
Multiple Airlines Logo
7:25 pm - 11:25 pm
ORD
-
STN
22h 00m
2 stops
Multiple Airlines Logo
8:25 am - 10:16 am
STN
-
ORD
31h 51m
3 stops
$886Multiple Airlines
Sun, Jul 26 - Thu, Jul 30
Multiple Airlines Logo
7:00 pm - 1:15 pm
ORD
-
STN
12h 15m
1 stop
Multiple Airlines Logo
6:20 am - 3:30 pm
STN
-
ORD
15h 10m
1 stop
$887Multiple Airlines
Wed, Nov 11 - Sun, Nov 15
Multiple Airlines Logo
7:25 pm - 10:20 pm
ORD
-
STN
20h 55m
2 stops
Multiple Airlines Logo
8:25 am - 8:05 pm
STN
-
ORD
17h 40m
3 stops
$888Multiple Airlines
Sun, Jul 19 - Thu, Jul 23
Multiple Airlines Logo
9:50 am - 11:35 am
ORD
-
STN
19h 45m
3 stops
Multiple Airlines Logo
8:15 am - 8:05 pm
STN
-
ORD
17h 50m
3 stops
$890Multiple Airlines
Wed, Jul 29 - Wed, Aug 5
Turkish Airlines Logo
11:25 am - 9:55 am
ORD
-
STN
16h 30m
1 stop
Turkish Airlines Logo
10:55 am - 8:20 pm
STN
-
ORD
38h 25m
1 stop
$891Turkish Airlines
Sun, Sep 13 - Sat, Oct 31

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Turkish Airlines flights from Illinois to London Stansted Airport

Our best Turkish Airlines deals on Illinois to London Stansted Airport flight tickets
Turkish Airlines
Aug 19
ORD8:10 pmChicago O'Hare Intl
20h 00m
1 stop
STN10:10 pmLondon Stansted
Aug 28
STN5:35 pmLondon Stansted
22h 05m
1 stop
ORD9:40 amChicago O'Hare Intl
$880
Turkish Airlines
Sep 13
ORD11:25 amChicago O'Hare Intl
16h 30m
1 stop
STN9:55 amLondon Stansted
Oct 31
STN10:55 amLondon Stansted
38h 25m
1 stop
ORD8:20 pmChicago O'Hare Intl
$891
Turkish Airlines
Nov 24
ORD11:45 amChicago O'Hare Intl
16h 10m
1 stop
STN9:55 amLondon Stansted
Nov 29
STN5:20 pmLondon Stansted
22h 40m
1 stop
ORD10:00 amChicago O'Hare Intl
$894

Lufthansa flights from Illinois to London Stansted Airport

Our best Lufthansa deals on Illinois to London Stansted Airport flight tickets
Lufthansa
Sep 27
ORD10:30 pmChicago O'Hare Intl
29h 40m
2 stops
STN10:10 amLondon Stansted
Oct 5
STN4:25 pmLondon Stansted
26h 30m
2 stops
ORD12:55 pmChicago O'Hare Intl
$907
Lufthansa
Sep 22
ORD4:05 pmChicago O'Hare Intl
17h 30m
2 stops
STN3:35 pmLondon Stansted
Sep 29
STN4:25 pmLondon Stansted
26h 10m
1 stop
ORD12:35 pmChicago O'Hare Intl
$917

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to London Stansted Airport 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, momondo users made 832,500 searches. Data last updated July 1, 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 round-trip

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 8/14

3:45 pm-7:50 am

1 stop10h 05m

London Stansted

Fri 8/21

10:50 pm-4:57 pm

2 stops24h 07m

$880

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 8/9

10:25 pm-11:40 pm

2 stops19h 15m

London Stansted

Tue 8/11

7:20 pm-8:05 pm

3 stops30h 45m

$881

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Tue 10/13

9:50 am-12:50 am

3 stops33h 00m

London Stansted

Thu 10/29

4:25 pm-2:10 pm

2 stops26h 45m

$882

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 9/27

3:35 pm-10:10 am

1 stop12h 35m

London Stansted

Mon 10/5

4:25 pm-12:55 pm

2 stops26h 30m

$883

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 8/9

10:25 pm-11:40 pm

2 stops19h 15m

London Stansted

Tue 8/11

7:20 pm-7:52 pm

2 stops30h 32m

$885

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 7/26

7:25 pm-11:25 pm

2 stops22h 00m

London Stansted

Thu 7/30

8:25 am-10:16 am

3 stops31h 51m

$886
Quickest round-trip

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 11/11

7:00 pm-1:15 pm

1 stop12h 15m

London Stansted

Sun 11/15

6:20 am-3:30 pm

1 stop15h 10m

$887

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 7/19

7:25 pm-10:20 pm

2 stops20h 55m

London Stansted

Thu 7/23

8:25 am-8:05 pm

3 stops17h 40m

$888

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 7/29

9:50 am-11:35 am

3 stops19h 45m

London Stansted

Wed 8/5

8:15 am-8:05 pm

3 stops17h 50m

$890

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 9/13

11:25 am-9:55 am

1 stop16h 30m

London Stansted

Sat 10/31

10:55 am-8:20 pm

1 stop38h 25m

$891

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

What is the cheapest airline that flies from Illinois to London Stansted?

Lufthansa and Turkish Airlines are the most popular carriers operating from Illinois to London Stansted

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

Fastest flight time

15h 00m

Direct flights

None
The fastest flight from Illinois to London Stansted Airport takes 15h 00m
There are no direct flights from Illinois to London Stansted Airport. There are no popular flight routes from Illinois to London Stansted Airport.
Search flight deals

Frequently asked questions about flying from Illinois to London Stansted Airport

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

    Prices for flights from Illinois to London Stansted Airport refresh 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 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 Illinois to London Stansted Airport.

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

    The required travel and health documents for your London Stansted Airport 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 London Stansted Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Dover
Crawley
Croydon
Wembley
Stansted
Harrow
Slough
Watford
Ilford
Cobham
Brentwood
Folkestone
Guildford
Romford
Uxbridge

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to London for you.

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?

momondo helps you find the best flight between Illinois and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

An easier way to manage your London Stansted Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Fri 7/31
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