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Cheap flights from Milwaukee to London Heathrow Airport from £189

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
20 Feb — 27 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Milwaukee to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Milwaukee to Heathrow
Explore the most affordable flight options available from Milwaukee to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2026.

Tue 3/316:47
MKE
-
LHR
1 stop11h 38m
British Airways
Tue 10/306:05
LHR
-
MKE
2 stops19h 20m
British Airways
Deal found 18/1£430
Tue 24/216:47
MKE
-
LHR
1 stop9h 28m
British Airways
Tue 3/306:05
LHR
-
MKE
2 stops22h 52m
British Airways
Deal found 20/1£437
Tue 3/312:26
MKE
-
LHR
2 stops17h 39m
Iberia
Tue 10/306:05
LHR
-
MKE
2 stops19h 20m
Iberia
Deal found 18/1£442
Mon 2/214:46
MKE
-
LHR
1 stop11h 29m
British Airways
Mon 9/219:40
LHR
-
MKE
2 stops28h 45m
British Airways
Deal found 19/1£442
Tue 10/312:10
MKE
-
LHR
1 stop13h 20m
Multiple Airlines
Tue 31/312:35
LHR
-
MKE
1 stop16h 49m
Multiple Airlines
Deal found 19/1£445
Wed 18/213:13
MKE
-
LHR
1 stop13h 02m
Multiple Airlines
Wed 25/206:15
LHR
-
MKE
2 stops22h 42m
Multiple Airlines
Deal found 19/1£446
Wed 4/313:13
MKE
-
LHR
1 stop15h 12m
British Airways
Wed 11/311:00
LHR
-
MKE
1 stop17h 07m
British Airways
Deal found 20/1£450
Sat 31/118:58
MKE
-
LHR
1 stop29h 57m
British Airways
Thu 19/212:35
LHR
-
MKE
1 stop16h 22m
British Airways
Deal found 19/1£452
Sun 1/316:47
MKE
-
LHR
1 stop9h 28m
British Airways
Fri 24/415:15
LHR
-
MKE
1 stop12h 44m
British Airways
Deal found 19/1£456
Sat 28/216:47
MKE
-
LHR
1 stop32h 08m
British Airways
Wed 22/413:10
LHR
-
MKE
1 stop14h 49m
British Airways
Deal found 19/1£457
Sun 19/411:21
MKE
-
LHR
1 stop17h 09m
British Airways
Tue 28/412:15
LHR
-
MKE
1 stop12h 10m
British Airways
Deal found 20/1£460

Find flight deals from Milwaukee to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 January 2026.

Round-trip from

£430

One-way from

£189

Popular in

June

Cheapest in

January

Average price

£490
British Airways
  • British Airways
  • 3/3-10/3
  • 3 total stops
  • 30h 58m total
  • Milwaukee to London
Search Deals
Delta
  • Delta
  • 10/5
  • 2 total stops
  • 14h 35m total
  • Milwaukee to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£96 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Milwaukee to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 21 January 2026.
Use the filters below to find and compare flights from Milwaukee to London Heathrow Airport that are best for you.

Fly from

Milwaukee

Fly to

Heathrow

Route

Depart

Return

Price

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 3/3

12:26-10:25

1 stop15h 59m

London Heathrow

Tue 10/3

11:00-23:07

1 stop17h 07m

£449

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 3/2

14:46-06:55

1 stop10h 09m

London Heathrow

Thu 12/2

14:10-17:54

1 stop33h 44m

£452

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 2/2

14:46-08:15

1 stop11h 29m

London Heathrow

Thu 12/2

12:35-17:54

1 stop11h 19m

£452

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 2/2

16:30-08:15

1 stop9h 45m

London Heathrow

Wed 11/2

11:00-18:25

1 stop13h 25m

£452

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 4/2

14:46-06:55

1 stop10h 09m

London Heathrow

Tue 17/2

11:00-17:54

1 stop12h 54m

£452

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sat 31/1

18:58-06:55

1 stop29h 57m

London Heathrow

Thu 12/2

15:45-22:57

1 stop13h 12m

£452

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 3/2

13:04-06:55

1 stop11h 51m

London Heathrow

Tue 10/2

12:35-18:25

1 stop11h 50m

£452

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 3/3

12:26-11:35

1 stop17h 09m

London Heathrow

Tue 21/4

09:45-21:59

1 stop18h 14m

£457

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 2/3

16:47-06:55

1 stop32h 08m

London Heathrow

Thu 23/4

14:45-23:12

1 stop14h 27m

£457

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 16/3

11:30-11:15

1 stop18h 45m

London Heathrow

Tue 24/3

06:50-17:38

2 stops15h 48m

£468

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 20 results
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Best time to book a flight from Milwaukee to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Milwaukee with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Milwaukee to London Heathrow Airport

How far ahead should I book a flight from Milwaukee to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Milwaukee to Heathrow. Price data was last updated on 16 January 2026.

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from Milwaukee to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Milwaukee to London Heathrow Airport?

Currently, May is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of £295). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £666). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Milwaukee to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Milwaukee to London Heathrow?

    Located just 6.4 mi from the city center, Milwaukee-Mitchell is the airport most travelers will use when flying to London Heathrow from Milwaukee. Booking flights from Milwaukee-Mitchell (MKE) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

  • How long is the flight from Milwaukee to London Heathrow Airport?

    Airlines like British Airways fly from Milwaukee to London Heathrow Airport in about 15h 59m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3894 mi.

  • Can I find deals for flights from Milwaukee to Heathrow that include hotel bookings?

    Yes. In addition to deals on Milwaukee to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Milwaukee to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Milwaukee to Heathrow.

  • Can I find deals for business class flights from Milwaukee to Heathrow?

    Yes. Cheapflights offers flight deals from Milwaukee to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Milwaukee to London Heathrow Airport?

    Currently, May is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of £295). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £666). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Luton
Croydon
Northampton
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Colchester
Watford
Swindon
Crawley
Bedford
Kingston upon Thames
Chelmsford
Eastbourne
Romford

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Can Cheapflights find flights from Milwaukee to Heathrow with no change fees?

Yes, we can. To see specific flights from Milwaukee to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Milwaukee to Heathrow become cheaper?

Yes! Start tracking prices for Milwaukee to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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