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Cheap flights from Illinois to London from $346

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 9/15. 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.
Virgin Atlantic Logo
4:20 pm - 8:50 am
ORD
-
LCY
10h 30m
1 stop
Virgin Atlantic Logo
9:20 am - 2:15 pm
LCY
-
ORD
10h 55m
1 stop
$923Virgin Atlantic
Thu, Oct 8 - Thu, Oct 15
KLM Logo
4:20 pm - 9:30 am
ORD
-
LCY
11h 10m
1 stop
KLM Logo
8:25 am - 2:30 pm
LCY
-
ORD
12h 05m
1 stop
$930KLM
Thu, Sep 17 - Wed, Sep 23
Virgin Atlantic Logo
4:50 pm - 9:30 am
ORD
-
LCY
10h 40m
1 stop
Virgin Atlantic Logo
9:20 am - 2:30 pm
LCY
-
ORD
11h 10m
1 stop
$931Virgin Atlantic
Mon, Aug 3 - Wed, Aug 12
KLM Logo
4:20 pm - 8:50 am
ORD
-
LCY
10h 30m
1 stop
KLM Logo
9:20 am - 2:15 pm
LCY
-
ORD
10h 55m
1 stop
$932KLM
Thu, Oct 8 - Tue, Oct 13
Virgin Atlantic Logo
10:30 am - 7:55 am
ORD
-
LCY
15h 25m
2 stops
Virgin Atlantic Logo
5:50 pm - 3:25 pm
LCY
-
ORD
26h 35m
1 stop
$934Virgin Atlantic
Mon, Oct 19 - Sun, Oct 25
KLM Logo
12:40 pm - 8:50 am
ORD
-
LCY
14h 10m
2 stops
KLM Logo
5:50 pm - 2:30 pm
LCY
-
ORD
26h 40m
1 stop
$935KLM
Tue, Sep 29 - Sun, Oct 4
Delta Logo
4:20 pm - 1:15 pm
ORD
-
LCY
14h 55m
1 stop
Delta Logo
8:25 am - 6:10 pm
LCY
-
ORD
15h 45m
2 stops
$939Delta
Sat, Sep 19 - Wed, Oct 7
Delta Logo
4:20 pm - 1:15 pm
ORD
-
LCY
14h 55m
1 stop
Delta Logo
8:25 am - 6:10 pm
LCY
-
ORD
15h 45m
2 stops
$940Delta
Sat, Sep 19 - Wed, Oct 7
Lufthansa Logo
3:30 pm - 5:55 pm
STL
-
LCY
20h 25m
1 stop
Lufthansa Logo
6:30 pm - 1:25 pm
LCY
-
STL
24h 55m
1 stop
$1,080Lufthansa
Sun, Sep 20 - Sun, Sep 27
Lufthansa Logo
3:30 pm - 5:55 pm
STL
-
LCY
20h 25m
1 stop
Lufthansa Logo
6:30 pm - 1:25 pm
LCY
-
STL
24h 55m
1 stop
$1,085Lufthansa
Sun, Sep 6 - Sun, Sep 13

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Virgin Atlantic flights from Illinois to London City Airport

Our best Virgin Atlantic deals on Illinois to London City Airport flight tickets
Virgin Atlantic
Oct 8
ORD4:20 pmChicago O'Hare Intl
10h 30m
1 stop
LCY8:50 amLondon City
Oct 15
LCY9:20 amLondon City
10h 55m
1 stop
ORD2:15 pmChicago O'Hare Intl
$923
Virgin Atlantic
Aug 3
ORD4:50 pmChicago O'Hare Intl
10h 40m
1 stop
LCY9:30 amLondon City
Aug 12
LCY9:20 amLondon City
11h 10m
1 stop
ORD2:30 pmChicago O'Hare Intl
$931
Virgin Atlantic
Oct 8
ORD4:20 pmChicago O'Hare Intl
10h 30m
1 stop
LCY8:50 amLondon City
Oct 15
LCY9:20 amLondon City
10h 55m
1 stop
ORD2:15 pmChicago O'Hare Intl
$932

Iberia flights from Illinois to London City Airport

Our best Iberia deals on Illinois to London City Airport flight tickets
Iberia
Sep 5
STL8:06 pmLambert-St Louis
37h 09m
2 stops
LCY3:15 pmLondon City
Sep 13
LCY7:15 pmLondon City
31h 29m
2 stops
STL8:44 pmLambert-St Louis
$1,310
Iberia
Jun 15
STL2:32 pmLambert-St Louis
18h 43m
2 stops
LCY3:15 pmLondon City
Jun 18
LCY7:15 pmLondon City
35h 01m
2 stops
STL12:16 amLambert-St Louis
$1,995
Iberia
Jun 24
STL9:42 amLambert-St Louis
21h 28m
2 stops
LCY1:10 pmLondon City
Jul 14
LCY9:35 amLondon City
20h 23m
2 stops
STL11:58 pmLambert-St Louis
$2,128

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to London City 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 June 13, 2026.
Use the filters below to find and compare flights from Illinois to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoLondon

ORD - LCY

ORDLCY

Chicago O'Hare Intl

Thu 10/8

4:20 pm-8:50 am

1 stop10h 30m

London City

Thu 10/15

9:20 am-2:15 pm

1 stop10h 55m

$923

ChicagoLondon

ORD - LCY

ORDLCY

Chicago O'Hare Intl

Thu 9/17

4:20 pm-9:30 am

1 stop11h 10m

London City

Wed 9/23

8:25 am-2:30 pm

1 stop12h 05m

$930

ChicagoLondon

ORD - LCY

ORDLCY

Chicago O'Hare Intl

Mon 8/3

4:50 pm-9:30 am

1 stop10h 40m

London City

Wed 8/12

9:20 am-2:30 pm

1 stop11h 10m

$931

ChicagoLondon

ORD - LCY

ORDLCY

Chicago O'Hare Intl

Thu 10/8

4:20 pm-8:50 am

1 stop10h 30m

London City

Tue 10/13

9:20 am-2:15 pm

1 stop10h 55m

$932

ChicagoLondon

ORD - LCY

ORDLCY

Chicago O'Hare Intl

Mon 10/19

10:30 am-7:55 am

2 stops15h 25m

London City

Sun 10/25

5:50 pm-3:25 pm

1 stop26h 35m

$934

ChicagoLondon

ORD - LCY

ORDLCY

Chicago O'Hare Intl

Tue 9/29

12:40 pm-8:50 am

2 stops14h 10m

London City

Sun 10/4

5:50 pm-2:30 pm

1 stop26h 40m

$935

ChicagoLondon

ORD - LCY

ORDLCY

Chicago O'Hare Intl

Sat 9/19

4:20 pm-1:15 pm

1 stop14h 55m

London City

Wed 10/7

8:25 am-6:10 pm

2 stops15h 45m

$939

ChicagoLondon

ORD - LCY

ORDLCY

Chicago O'Hare Intl

Sat 9/19

4:20 pm-1:15 pm

1 stop14h 55m

London City

Wed 10/7

8:25 am-6:10 pm

2 stops15h 45m

$940

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Sun 9/20

3:30 pm-5:55 pm

1 stop20h 25m

London City

Sun 9/27

6:30 pm-1:25 pm

1 stop24h 55m

$1,080

St. LouisLondon

STL - LCY

STLLCY

Lambert-St Louis

Sun 9/6

3:30 pm-5:55 pm

1 stop20h 25m

London City

Sun 9/13

6:30 pm-1:25 pm

1 stop24h 55m

$1,085

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 City 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

Can stopping save me money on Illinois to London City Airport flights?

You could potentially save up to 5% on your flight if you consider stops on a Illinois to London City Airport flight.

Cheap Illinois to London City Airport flight deals and tips

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

Fastest flight time

10h 00m

Direct flights

None
The fastest flight from Illinois to London City Airport takes 10h 00m
There are no direct flights from Illinois to London City Airport. There are no popular flight routes from Illinois to London City Airport.
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Frequently asked questions about flying from Illinois to London City Airport

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

    Prices for flights from Illinois to London City Airport were last updated today.

  • How old do you have to be to fly from Illinois to London City 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 City Airport.

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

    The travel and health documents you'll need for your trip to London City Airport 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 London City Airport. It is always advisable to seek advice from your airline or a trusted 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
Dover
Hayes
Crawley
Croydon
Wembley
Stansted
Harrow
Slough
Brentwood
Watford
Cobham
Guildford
Folkestone
Uxbridge
Romford
Chelmsford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to London. momondo saves you time and could save you money on your trip.

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 provides multiple filters to help you find the best flight to London from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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 City Airport trip

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