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Cheap flights from Chicago Midway Airport to London from £302

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 29/4. 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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0 bags
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Find the cheapest flights from Chicago Midway Airport to London

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
17:21 - 11:20
MDW
-
LHR
11h 59m
1 stop
KLM Logo
20:55 - 16:26
LHR
-
MDW
25h 31m
2 stops
£651KLM
Mon, 27 Apr - Mon, 4 May
KLM Logo
17:21 - 16:15
MDW
-
LHR
16h 54m
2 stops
KLM Logo
20:55 - 16:26
LHR
-
MDW
25h 31m
2 stops
£657KLM
Mon, 27 Apr - Mon, 4 May
Delta Logo
17:21 - 13:15
MDW
-
LHR
13h 54m
1 stop
Delta Logo
08:40 - 18:36
LHR
-
MDW
15h 56m
2 stops
£658Delta
Sun, 19 Apr - Tue, 28 Apr
Delta Logo
13:24 - 07:10
MDW
-
LHR
11h 46m
1 stop
Delta Logo
08:40 - 18:36
LHR
-
MDW
15h 56m
2 stops
£659Delta
Mon, 13 Apr - Tue, 21 Apr
Delta Logo
09:35 - 07:10
MDW
-
LHR
15h 35m
1 stop
Delta Logo
08:40 - 18:36
LHR
-
MDW
15h 56m
2 stops
£660Delta
Sun, 12 Apr - Wed, 22 Apr
Virgin Atlantic Logo
09:27 - 06:45
MDW
-
LHR
15h 18m
2 stops
Virgin Atlantic Logo
06:30 - 18:36
LHR
-
MDW
18h 06m
2 stops
£662Virgin Atlantic
Wed, 29 Apr - Wed, 6 May
Virgin Atlantic Logo
13:00 - 09:15
MDW
-
LHR
14h 15m
2 stops
Virgin Atlantic Logo
09:55 - 21:46
LHR
-
MDW
17h 51m
2 stops
£663Virgin Atlantic
Tue, 1 Sep - Tue, 15 Sep
Virgin Atlantic Logo
10:41 - 07:15
MDW
-
LHR
14h 34m
1 stop
Virgin Atlantic Logo
06:15 - 16:26
LHR
-
MDW
16h 11m
2 stops
£664Virgin Atlantic
Tue, 28 Apr - Tue, 5 May
Virgin Atlantic Logo
16:30 - 13:15
MDW
-
LHR
14h 45m
1 stop
Virgin Atlantic Logo
06:15 - 16:27
LHR
-
MDW
16h 12m
2 stops
£664Virgin Atlantic
Wed, 9 Sep - Wed, 23 Sep
Virgin Atlantic Logo
13:05 - 13:15
MDW
-
LHR
18h 10m
1 stop
Virgin Atlantic Logo
06:15 - 16:27
LHR
-
MDW
16h 12m
2 stops
£665Virgin Atlantic
Wed, 23 Sep - Tue, 29 Sep

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
27 Apr
MDW17:21Chicago Midway
11h 59m
1 stop
LHR11:20London Heathrow
4 May
LHR20:55London Heathrow
25h 31m
2 stops
MDW16:26Chicago Midway
£651
KLM
27 Apr
MDW17:21Chicago Midway
16h 54m
2 stops
LHR16:15London Heathrow
4 May
LHR20:55London Heathrow
25h 31m
2 stops
MDW16:26Chicago Midway
£657
KLM
14 Apr
MDW12:52Chicago Midway
11h 33m
1 stop
LHR06:25London Heathrow
21 Apr
LHR12:25London Heathrow
12h 11m
1 stop
MDW18:36Chicago Midway
£673

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
19 Apr
MDW12:52Chicago Midway
11h 33m
1 stop
LHR06:25London Heathrow
28 Apr
LHR08:40London Heathrow
15h 56m
2 stops
MDW18:36Chicago Midway
£658
Delta
13 Apr
MDW13:24Chicago Midway
11h 46m
1 stop
LHR07:10London Heathrow
21 Apr
LHR08:40London Heathrow
15h 56m
2 stops
MDW18:36Chicago Midway
£659
Delta
12 Apr
MDW13:10Chicago Midway
12h 00m
1 stop
LHR07:10London Heathrow
23 Apr
LHR08:40London Heathrow
15h 56m
2 stops
MDW18:36Chicago Midway
£660

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 1 April 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 return flight

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

Mon 27/4

17:21-11:20

1 stop11h 59m

London Heathrow

Mon 4/5

20:55-16:26

2 stops25h 31m

£651

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

Mon 27/4

17:21-16:15

2 stops16h 54m

London Heathrow

Mon 4/5

20:55-16:26

2 stops25h 31m

£657

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

Sun 19/4

17:21-13:15

1 stop13h 54m

London Heathrow

Tue 28/4

08:40-18:36

2 stops15h 56m

£658
Fastest return journey

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

Mon 13/4

13:24-07:10

1 stop11h 46m

London Heathrow

Tue 21/4

08:40-18:36

2 stops15h 56m

£659

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

Sun 12/4

09:35-07:10

1 stop15h 35m

London Heathrow

Wed 22/4

08:40-18:36

2 stops15h 56m

£660

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

Wed 29/4

09:27-06:45

2 stops15h 18m

London Heathrow

Wed 6/5

06:30-18:36

2 stops18h 06m

£662

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

Tue 1/9

13:00-09:15

2 stops14h 15m

London Heathrow

Tue 15/9

09:55-21:46

2 stops17h 51m

£663

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

Tue 28/4

10:41-07:15

1 stop14h 34m

London Heathrow

Tue 5/5

06:15-16:26

2 stops16h 11m

£664

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

Wed 9/9

16:30-13:15

1 stop14h 45m

London Heathrow

Wed 23/9

06:15-16:27

2 stops16h 12m

£664

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

Wed 23/9

13:05-13:15

1 stop18h 10m

London Heathrow

Tue 29/9

06:15-16:27

2 stops16h 12m

£665

Flights are sorted by cheapest return 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?

On average, the least expensive day to fly to London Heathrow Airport from Chicago Midway Airport is on a Sunday. momondo users have found tickets for Sunday departures for as low as £513. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £683.

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 £577. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £633 on average. Flights to London Heathrow Airport from Chicago Midway Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 return 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?

    The distance between Chicago Midway and London Heathrow is about 3942.1 mi. 11h 38m is a normal flight duration for this route.

  • 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 refresh 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 necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

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Poole
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Folkestone

Why use momondo?

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

Finding the right flight to London from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. All flights to London from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Chicago to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago 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 Chicago and alert you when they change.

An easier way to manage your London Heathrow Airport trip

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