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Cheap flights from London to Chicago from $520

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Chicago 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 London to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:30 pm - 10:10 pm
LHR
-
MDW
15h 40m
1 stop
Delta Logo
1:05 pm - 7:50 am
MDW
-
LHR
12h 45m
1 stop
$670Delta
Fri, Nov 27 - Tue, Dec 1
Delta Logo
8:55 am - 4:25 pm
LHR
-
MDW
13h 30m
1 stop
Delta Logo
5:25 pm - 11:40 am
MDW
-
LHR
12h 15m
1 stop
$670Delta
Tue, Dec 1 - Fri, Dec 4
Delta Logo
1:00 pm - 6:37 pm
LHR
-
MDW
11h 37m
1 stop
Delta Logo
9:55 am - 7:05 am
MDW
-
LHR
15h 10m
1 stop
$670Delta
Mon, Nov 30 - Sun, Dec 6
Delta Logo
8:55 am - 4:25 pm
LHR
-
MDW
13h 30m
1 stop
Delta Logo
5:25 pm - 11:40 am
MDW
-
LHR
12h 15m
1 stop
$670Delta
Thu, Nov 26 - Tue, Dec 1
Delta Logo
12:30 pm - 10:10 pm
LHR
-
MDW
15h 40m
1 stop
Delta Logo
1:05 pm - 7:50 am
MDW
-
LHR
12h 45m
1 stop
$670Delta
Tue, Dec 1 - Sat, Dec 5
Delta Logo
1:00 pm - 6:37 pm
LHR
-
MDW
11h 37m
1 stop
Delta Logo
12:30 pm - 7:05 am
MDW
-
LHR
12h 35m
1 stop
$670Delta
Wed, Nov 25 - Fri, Dec 4
Delta Logo
1:00 pm - 6:37 pm
LHR
-
MDW
11h 37m
1 stop
Delta Logo
5:25 pm - 11:40 am
MDW
-
LHR
12h 15m
1 stop
$670Delta
Sat, Nov 28 - Thu, Dec 3
Delta Logo
12:30 pm - 10:10 pm
LHR
-
MDW
15h 40m
1 stop
Delta Logo
12:30 pm - 7:05 am
MDW
-
LHR
12h 35m
1 stop
$670Delta
Mon, Nov 30 - Sat, Dec 5
Delta Logo
12:30 pm - 10:10 pm
LHR
-
MDW
15h 40m
1 stop
Delta Logo
1:05 pm - 7:50 am
MDW
-
LHR
12h 45m
1 stop
$670Delta
Fri, Nov 27 - Mon, Dec 7
Delta Logo
8:55 am - 4:25 pm
LHR
-
MDW
13h 30m
1 stop
Delta Logo
5:25 pm - 11:40 am
MDW
-
LHR
12h 15m
1 stop
$670Delta
Fri, Nov 27 - Wed, Dec 2

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Delta flights from London to Chicago Midway Airport

Our best Delta deals on London to Chicago Midway Airport flight tickets
Delta
Nov 26
LHR1:00 pmLondon Heathrow
11h 37m
1 stop
MDW6:37 pmChicago Midway
Dec 3
MDW5:25 pmChicago Midway
12h 15m
1 stop
LHR11:40 amLondon Heathrow
$670
Delta
Nov 26
LHR8:55 amLondon Heathrow
13h 30m
1 stop
MDW4:25 pmChicago Midway
Dec 4
MDW1:00 pmChicago Midway
13h 45m
1 stop
LHR8:45 amLondon Heathrow
$700
Delta
Sep 16
LHR6:30 amLondon Heathrow
17h 49m
2 stops
MDW6:19 pmChicago Midway
Sep 24
MDW1:19 pmChicago Midway
11h 51m
1 stop
LHR7:10 amLondon Heathrow
$834

KLM flights from London to Chicago Midway Airport

Our best KLM deals on London to Chicago Midway Airport flight tickets
KLM
Sep 8
LHR12:25 pmLondon Heathrow
11h 54m
1 stop
MDW6:19 pmChicago Midway
Sep 29
MDW1:00 pmChicago Midway
11h 25m
1 stop
LHR6:25 amLondon Heathrow
$852
KLM
Sep 8
LHR12:25 pmLondon Heathrow
11h 54m
1 stop
MDW6:19 pmChicago Midway
Sep 29
MDW1:00 pmChicago Midway
11h 25m
1 stop
LHR6:25 amLondon Heathrow
$853
KLM
Sep 1
LHR3:15 pmLondon Heathrow
13h 21m
1 stop
MDW10:36 pmChicago Midway
Sep 14
MDW1:00 pmChicago Midway
11h 25m
1 stop
LHR6:25 amLondon Heathrow
$863

momondo Fare Finder

 
Customize your flight search to find flights from London to Chicago Midway 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 28, 2026.
Use the filters below to find and compare flights from London to Chicago Midway Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Fri 11/27

12:30 pm-10:10 pm

1 stop15h 40m

Chicago Midway

Tue 12/1

1:05 pm-7:50 am

1 stop12h 45m

$670

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Tue 12/1

8:55 am-4:25 pm

1 stop13h 30m

Chicago Midway

Fri 12/4

5:25 pm-11:40 am

1 stop12h 15m

$670

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Mon 11/30

1:00 pm-6:37 pm

1 stop11h 37m

Chicago Midway

Sun 12/6

9:55 am-7:05 am

1 stop15h 10m

$670

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Thu 11/26

8:55 am-4:25 pm

1 stop13h 30m

Chicago Midway

Tue 12/1

5:25 pm-11:40 am

1 stop12h 15m

$670

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Tue 12/1

12:30 pm-10:10 pm

1 stop15h 40m

Chicago Midway

Sat 12/5

1:05 pm-7:50 am

1 stop12h 45m

$670

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 11/25

1:00 pm-6:37 pm

1 stop11h 37m

Chicago Midway

Fri 12/4

12:30 pm-7:05 am

1 stop12h 35m

$670
Quickest round-trip

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Sat 11/28

1:00 pm-6:37 pm

1 stop11h 37m

Chicago Midway

Thu 12/3

5:25 pm-11:40 am

1 stop12h 15m

$670

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Mon 11/30

12:30 pm-10:10 pm

1 stop15h 40m

Chicago Midway

Sat 12/5

12:30 pm-7:05 am

1 stop12h 35m

$670

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Fri 11/27

12:30 pm-10:10 pm

1 stop15h 40m

Chicago Midway

Mon 12/7

1:05 pm-7:50 am

1 stop12h 45m

$670

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Fri 11/27

8:55 am-4:25 pm

1 stop13h 30m

Chicago Midway

Wed 12/2

5:25 pm-11:40 am

1 stop12h 15m

$670

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 Chicago from

How to get the cheapest flight ticket from London to Chicago Midway 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 typical price of a round-trip flight between London and Chicago Midway Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $1,044 to $1,358.
The lowest price recently found on this route was $670.

What is the cheapest month to fly to Chicago Midway Airport?

The month of February is, on average, the cheapest month to fly to Chicago Midway Airport from London, with most prices found around $0. If you are unable to visit Chicago Midway Airport during the month of February, then departing from London during the month January is also very affordable. Most momondo users find prices during this month for around $603.

Can stopping save me money on London to Chicago Midway Airport flights?

You could potentially save up to 56% on your flight if you consider stops on a London to Chicago Midway Airport flight.

When to book flights from London to Chicago Midway Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London to Chicago Midway Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London to Chicago Midway Airport (LON to MDW) flight deals and tips

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

Fastest flight time

12h 12m

Direct flights

None
The fastest flight from London to Chicago Midway Airport takes 12h 12m
There are no direct flights from London to Chicago Midway Airport. There are no popular flight routes from London to Chicago Midway Airport.
Search flight deals

Frequently asked questions about flying from London to Chicago Midway Airport

  • How far is London to Chicago Midway by plane?

    The distance between London and Chicago Midway is about 3953.8 mi. Flights usually cover this in 12h 12m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London to Chicago Midway Airport?

    Prices for flights from London to Chicago Midway Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London to Chicago Midway Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Chicago Midway Airport.

  • What documentation or ID do you need to fly to Chicago Midway Airport?

    The travel and health documents you'll need for your trip to Chicago Midway 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 Chicago Midway Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Portage
Benton Harbor
Lansing
Saint Joseph
Valparaiso
Schererville
Munster
Chesterton
Monticello
Crown Point
Porter
Griffith
Saint John

Why use momondo?

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

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

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

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

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

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

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

An easier way to manage your Chicago Midway Airport trip

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