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Cheap flights from Chicago Midway Airport to London from $399

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago Midway Airport to London departing on 4/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago Midway Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
5:21 pm - 11:20 am
MDW
-
LHR
11h 59m
1 stop
KLM Logo
8:55 pm - 4:26 pm
LHR
-
MDW
25h 31m
2 stops
$860KLM
lun., abr. 27 - lun., may. 4
KLM Logo
5:21 pm - 4:15 pm
MDW
-
LHR
16h 54m
2 stops
KLM Logo
8:55 pm - 4:26 pm
LHR
-
MDW
25h 31m
2 stops
$869KLM
lun., abr. 27 - lun., may. 4
Delta Logo
12:52 pm - 6:25 am
MDW
-
LHR
11h 33m
1 stop
Delta Logo
6:30 am - 4:26 pm
LHR
-
MDW
15h 56m
2 stops
$870Delta
dom., abr. 19 - mar., abr. 28
Delta Logo
1:24 pm - 7:10 am
MDW
-
LHR
11h 46m
1 stop
Delta Logo
8:40 am - 6:36 pm
LHR
-
MDW
15h 56m
2 stops
$871Delta
lun., abr. 13 - mar., abr. 21
Delta Logo
12:52 pm - 6:25 am
MDW
-
LHR
11h 33m
1 stop
Delta Logo
6:30 am - 4:26 pm
LHR
-
MDW
15h 56m
2 stops
$872Delta
lun., abr. 13 - mar., abr. 21
Virgin Atlantic Logo
12:52 pm - 10:20 am
MDW
-
LHR
15h 28m
2 stops
Virgin Atlantic Logo
6:30 am - 5:56 pm
LHR
-
MDW
17h 26m
2 stops
$875Virgin Atlantic
mié., abr. 29 - mié., may. 20
Virgin Atlantic Logo
1:00 pm - 9:15 am
MDW
-
LHR
14h 15m
2 stops
Virgin Atlantic Logo
9:55 am - 9:46 pm
LHR
-
MDW
17h 51m
2 stops
$876Virgin Atlantic
mar., sep. 1 - mar., sep. 15
Virgin Atlantic Logo
10:41 am - 7:15 am
MDW
-
LHR
14h 34m
1 stop
Virgin Atlantic Logo
6:15 am - 4:26 pm
LHR
-
MDW
16h 11m
2 stops
$877Virgin Atlantic
mar., abr. 28 - mar., may. 5
Virgin Atlantic Logo
4:30 pm - 1:15 pm
MDW
-
LHR
14h 45m
1 stop
Virgin Atlantic Logo
6:15 am - 4:27 pm
LHR
-
MDW
16h 12m
2 stops
$878Virgin Atlantic
mié., sep. 9 - mié., sep. 23
Virgin Atlantic Logo
1:05 pm - 1:15 pm
MDW
-
LHR
18h 10m
1 stop
Virgin Atlantic Logo
6:15 am - 4:27 pm
LHR
-
MDW
16h 12m
2 stops
$879Virgin Atlantic
mié., sep. 23 - mar., sep. 29

KLM flights from Chicago Midway Airport to London Heathrow Airport

Our best KLM deals on Chicago Midway Airport to London Heathrow Airport flight tickets
KLM
Apr 27
MDW5:21 pmChicago Midway
11h 59m
1 stop
LHR11:20 amLondon Heathrow
May 4
LHR8:55 pmLondon Heathrow
25h 31m
2 stops
MDW4:26 pmChicago Midway
$860
KLM
Apr 27
MDW5:21 pmChicago Midway
16h 54m
2 stops
LHR4:15 pmLondon Heathrow
May 4
LHR8:55 pmLondon Heathrow
25h 31m
2 stops
MDW4:26 pmChicago Midway
$869
KLM
Apr 14
MDW12:52 pmChicago Midway
11h 33m
1 stop
LHR6:25 amLondon Heathrow
Apr 21
LHR12:25 pmLondon Heathrow
12h 11m
1 stop
MDW6:36 pmChicago Midway
$890

Delta flights from Chicago Midway Airport to London Heathrow Airport

Our best Delta deals on Chicago Midway Airport to London Heathrow Airport flight tickets
Delta
Apr 19
MDW5:21 pmChicago Midway
13h 54m
1 stop
LHR1:15 pmLondon Heathrow
Apr 28
LHR8:40 amLondon Heathrow
15h 56m
2 stops
MDW6:36 pmChicago Midway
$870
Delta
Apr 13
MDW1:24 pmChicago Midway
11h 46m
1 stop
LHR7:10 amLondon Heathrow
Apr 21
LHR8:40 amLondon Heathrow
15h 56m
2 stops
MDW6:36 pmChicago Midway
$871
Delta
Apr 8
MDW2:05 pmChicago Midway
17h 00m
1 stop
LHR1:05 pmLondon Heathrow
Dec 3
LHR8:40 amLondon Heathrow
15h 30m
2 stops
MDW6:10 pmChicago Midway
$872

momondo Fare Finder

 
Customize your flight search to find flights from Chicago Midway Airport to London Heathrow 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 abril 1, 2026.
Use the filters below to find and compare flights from Chicago Midway Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

lun. 4/27

5:21 pm-11:20 am

1 stop11h 59m

London Heathrow

lun. 5/4

8:55 pm-4:26 pm

2 stops25h 31m

$860

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

lun. 4/27

5:21 pm-4:15 pm

2 stops16h 54m

London Heathrow

lun. 5/4

8:55 pm-4:26 pm

2 stops25h 31m

$869
Quickest round-trip

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

dom. 4/19

12:52 pm-6:25 am

1 stop11h 33m

London Heathrow

mar. 4/28

6:30 am-4:26 pm

2 stops15h 56m

$870

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

lun. 4/13

1:24 pm-7:10 am

1 stop11h 46m

London Heathrow

mar. 4/21

8:40 am-6:36 pm

2 stops15h 56m

$871

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

lun. 4/13

12:52 pm-6:25 am

1 stop11h 33m

London Heathrow

mar. 4/21

6:30 am-4:26 pm

2 stops15h 56m

$872

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

mié. 4/29

12:52 pm-10:20 am

2 stops15h 28m

London Heathrow

mié. 5/20

6:30 am-5:56 pm

2 stops17h 26m

$875

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

mar. 9/1

1:00 pm-9:15 am

2 stops14h 15m

London Heathrow

mar. 9/15

9:55 am-9:46 pm

2 stops17h 51m

$876

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

mar. 4/28

10:41 am-7:15 am

1 stop14h 34m

London Heathrow

mar. 5/5

6:15 am-4:26 pm

2 stops16h 11m

$877

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

mié. 9/9

4:30 pm-1:15 pm

1 stop14h 45m

London Heathrow

mié. 9/23

6:15 am-4:27 pm

2 stops16h 12m

$878

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

mié. 9/23

1:05 pm-1:15 pm

1 stop18h 10m

London Heathrow

mar. 9/29

6:15 am-4:27 pm

2 stops16h 12m

$879

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 Chicago Midway Airport to London Heathrow 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 day to depart on your flight to London Heathrow Airport?

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $766. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $968.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Chicago Midway Airport to London Heathrow Airport in the evening for as low as $828. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $850.

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

You could potentially save up to 7% on your flight if you consider stops on a Chicago Midway Airport to London Heathrow Airport flight.

When to book flights from Chicago Midway Airport to London Heathrow Airport

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

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

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

Fastest flight time

11h 38m

Direct flights

None
The fastest flight from Chicago Midway Airport to London Heathrow Airport takes 11h 38m
There are no direct flights from Chicago Midway Airport to London Heathrow Airport. There are no popular flight routes from Chicago Midway Airport to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Chicago Midway Airport to London Heathrow Airport

  • How far is Chicago Midway to London Heathrow by plane?

    London Heathrow is 3942.1 mi away from Chicago Midway. In terms of flight time, this usually takes a little over 11h 38m.

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

    Prices for flights from Chicago Midway Airport to London Heathrow Airport are updated daily.

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

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

    The required travel and health documents for your London Heathrow 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 Heathrow 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
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Stratford-upon-Avon
Crawley
Hayes
Wembley
Stansted
Croydon
Dartford
Brentwood
Guildford
Cobham
Folkestone
Romford
Harrow
Watford

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to London from Chicago with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to London.

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

Yes. momondo can track prices for Chicago to London 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.

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