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Cheap flights from London to Chicago from $515

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 5/15. 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
0 bags

Find the cheapest flights from London to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 pm - 9:45 am
LGW
-
MDW
42h 15m
2 stops
Multiple Airlines Logo
10:30 am - 10:45 am
MDW
-
LGW
18h 15m
1 stop
$817Multiple Airlines
Mon, May 11 - Mon, May 25
Multiple Airlines Logo
9:30 pm - 9:45 am
LGW
-
MDW
42h 15m
2 stops
Multiple Airlines Logo
10:30 am - 10:45 am
MDW
-
LGW
18h 15m
1 stop
$820Multiple Airlines
Mon, May 11 - Mon, May 25
Virgin Atlantic Logo
9:20 am - 4:25 pm
LHR
-
MDW
13h 05m
1 stop
Virgin Atlantic Logo
1:05 pm - 6:25 am
MDW
-
LHR
11h 20m
1 stop
$827Virgin Atlantic
Wed, Oct 7 - Tue, Oct 13
Air France Logo
1:25 pm - 9:46 pm
LHR
-
MDW
14h 21m
1 stop
Air France Logo
1:05 pm - 6:25 am
MDW
-
LHR
11h 20m
1 stop
$836Air France
Tue, Sep 22 - Tue, Sep 29
Delta Logo
6:30 am - 4:27 pm
LHR
-
MDW
15h 57m
2 stops
Delta Logo
5:25 pm - 1:15 pm
MDW
-
LHR
13h 50m
1 stop
$843Delta
Wed, Sep 16 - Wed, Sep 23
Delta Logo
6:30 am - 4:27 pm
LHR
-
MDW
15h 57m
2 stops
Delta Logo
1:05 pm - 7:15 am
MDW
-
LHR
12h 10m
1 stop
$844Delta
Tue, Sep 1 - Mon, Sep 14
Delta Logo
6:30 am - 6:05 pm
LHR
-
MDW
17h 35m
2 stops
Delta Logo
5:25 pm - 1:15 pm
MDW
-
LHR
13h 50m
1 stop
$845Delta
Wed, Sep 9 - Wed, Sep 23
Multiple Airlines Logo
9:45 am - 9:45 am
LGW
-
MDW
30h 00m
2 stops
Multiple Airlines Logo
10:30 am - 10:45 am
MDW
-
LGW
18h 15m
1 stop
$847Multiple Airlines
Mon, May 11 - Mon, May 25
Virgin Atlantic Logo
6:15 am - 6:31 pm
LHR
-
MDW
18h 16m
2 stops
Virgin Atlantic Logo
9:30 am - 6:25 am
MDW
-
LHR
14h 55m
2 stops
$854Virgin Atlantic
Wed, Sep 9 - Wed, Sep 30
KLM Logo
1:25 pm - 9:46 pm
LHR
-
MDW
14h 21m
1 stop
KLM Logo
5:25 pm - 11:20 am
MDW
-
LHR
11h 55m
1 stop
$863KLM
Wed, Sep 23 - Wed, Sep 30

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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
Sep 16
LHR6:30 amLondon Heathrow
15h 57m
2 stops
MDW4:27 pmChicago Midway
Sep 23
MDW5:25 pmChicago Midway
13h 50m
1 stop
LHR1:15 pmLondon Heathrow
$843
Delta
Sep 1
LHR6:30 amLondon Heathrow
15h 57m
2 stops
MDW4:27 pmChicago Midway
Sep 14
MDW1:05 pmChicago Midway
12h 10m
1 stop
LHR7:15 amLondon Heathrow
$844
Delta
Sep 9
LHR6:30 amLondon Heathrow
17h 35m
2 stops
MDW6:05 pmChicago Midway
Sep 23
MDW5:25 pmChicago Midway
13h 50m
1 stop
LHR1:15 pmLondon Heathrow
$845

Air France flights from London to Chicago Midway Airport

Our best Air France deals on London to Chicago Midway Airport flight tickets
Air France
Sep 22
LHR1:25 pmLondon Heathrow
14h 21m
1 stop
MDW9:46 pmChicago Midway
Sep 29
MDW1:05 pmChicago Midway
11h 20m
1 stop
LHR6:25 amLondon Heathrow
$836
Air France
Oct 8
LHR9:20 amLondon Heathrow
13h 05m
1 stop
MDW4:25 pmChicago Midway
Oct 12
MDW1:00 pmChicago Midway
12h 10m
1 stop
LHR7:10 amLondon Heathrow
$870
Air France
Sep 22
LHR1:25 pmLondon Heathrow
14h 21m
1 stop
MDW9:46 pmChicago Midway
Sep 25
MDW1:05 pmChicago Midway
11h 20m
1 stop
LHR6:25 amLondon Heathrow
$876

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 April 29, 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

LGW - MDW

LGWMDW

London Gatwick

Mon 5/11

9:30 pm-9:45 am

2 stops42h 15m

Chicago Midway

Mon 5/25

10:30 am-10:45 am

1 stop18h 15m

$817

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Mon 5/11

9:30 pm-9:45 am

2 stops42h 15m

Chicago Midway

Mon 5/25

10:30 am-10:45 am

1 stop18h 15m

$820
Quickest round-trip

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 10/7

9:20 am-4:25 pm

1 stop13h 05m

Chicago Midway

Tue 10/13

1:05 pm-6:25 am

1 stop11h 20m

$827

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Tue 9/22

1:25 pm-9:46 pm

1 stop14h 21m

Chicago Midway

Tue 9/29

1:05 pm-6:25 am

1 stop11h 20m

$836

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 9/16

6:30 am-4:27 pm

2 stops15h 57m

Chicago Midway

Wed 9/23

5:25 pm-1:15 pm

1 stop13h 50m

$843

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Tue 9/1

6:30 am-4:27 pm

2 stops15h 57m

Chicago Midway

Mon 9/14

1:05 pm-7:15 am

1 stop12h 10m

$844

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 9/9

6:30 am-6:05 pm

2 stops17h 35m

Chicago Midway

Wed 9/23

5:25 pm-1:15 pm

1 stop13h 50m

$845

LondonChicago

LGW - MDW

LGWMDW

London Gatwick

Mon 5/11

9:45 am-9:45 am

2 stops30h 00m

Chicago Midway

Mon 5/25

10:30 am-10:45 am

1 stop18h 15m

$847

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 9/9

6:15 am-6:31 pm

2 stops18h 16m

Chicago Midway

Wed 9/30

9:30 am-6:25 am

2 stops14h 55m

$854

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 9/23

1:25 pm-9:46 pm

1 stop14h 21m

Chicago Midway

Wed 9/30

5:25 pm-11:20 am

1 stop11h 55m

$863

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?

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

The month of November is, on average, the cheapest month to fly to Chicago Midway Airport from London, with most prices found around $504. If you are unable to visit Chicago Midway Airport during the month of November, then departing from London during the month September is also very affordable. Most momondo users find prices during this month for around $529.

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

You could potentially save up to 35% 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 11m

Direct flights

None
The fastest flight from London to Chicago Midway Airport takes 12h 11m
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 11m, 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
Saint Joseph
Benton Harbor
Portage
Lansing
Valparaiso
Munster
Schererville
Crown Point
Monticello
Chesterton
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.

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