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$698+ Cheap flights from Heathrow (LHR) to Milwaukee (MKE)

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MKE
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap flight deals from Heathrow to Milwaukee

Cheapest flights from Heathrow to Milwaukee
Explore the most affordable flight options available from Heathrow to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

This United Airlines deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:40 amLHR - MKE
1 stop13h 33mUnited Airlines
Sun 12/215:42 pmMKE - LHR
1 stop11h 33mUnited Airlines
Deal found 12/19$4,539
This United Airlines deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:40 amLHR - MKE
1 stop13h 33mUnited Airlines
Sat 12/205:39 pmMKE - LHR
1 stop11h 26mUnited Airlines
Deal found 12/19$7,879

Find flight deals from Heathrow to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Milwaukee (MKE). 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 December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$784
(Ticket)

One-way from

$698
(Cheapflightsfares)

Popular in

July

Cheapest in

April

Average price

$1,233
Provider with most accurate pricing for London Heathrow-Milwaukee-Mitchell flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Milwaukee-Mitchell flights.
Search Deals
From London Heathrow to Milwaukee-Mitchell
Search Deals
One-way flight from London Heathrow to Milwaukee-Mitchell
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($142 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to Milwaukee 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 2,558,603 searches. Data last updated December 21, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Milwaukee that are best for you.

Fly from

Heathrow

Fly to

Milwaukee

Route

Depart

Return

Price

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sun 2/15

5:00 pm-10:39 pm

2 stops35h 39m

Milwaukee-Mitchell

Sun 2/22

7:03 am-9:20 am

2 stops20h 17m

$790

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Wed 1/28

6:40 am-8:58 pm

2 stops20h 18m

Milwaukee-Mitchell

Sun 2/1

7:15 am-9:20 am

2 stops20h 05m

$792

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 4/30

8:25 am-3:39 pm

1 stop13h 14m

Milwaukee-Mitchell

Thu 5/14

4:34 pm-6:30 am

1 stop31h 56m

$838

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Tue 2/3

6:40 am-10:42 pm

2 stops22h 02m

Milwaukee-Mitchell

Tue 2/10

7:15 am-9:20 am

2 stops20h 05m

$838

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Mon 1/12

9:05 pm-8:58 pm

3 stops29h 53m

Milwaukee-Mitchell

Mon 1/26

7:05 am-6:50 pm

3 stops29h 45m

$848

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 1/15

6:40 am-8:58 pm

2 stops20h 18m

Milwaukee-Mitchell

Mon 1/19

7:05 am-9:40 pm

2 stops32h 35m

$850

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Wed 1/28

6:35 am-9:59 pm

2 stops21h 24m

$698

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Mon 4/6

7:50 pm-2:03 pm

3 stops48h 13m

$759

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Wed 1/28

6:50 am-3:43 pm

2 stops14h 53m

$765

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 1/29

6:50 am-3:43 pm

2 stops14h 53m

$765

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 14 results
1
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Compare providers for flights from Heathrow to Milwaukee

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Milwaukee in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Milwaukee flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London Heathrow Airport-Milwaukee flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Milwaukee flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Milwaukee flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Milwaukee flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Heathrow with our price prediction graph.
Estimated round-trip 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 London Heathrow Airport to Milwaukee

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Milwaukee (average of $475). Flying from London Heathrow Airport to Milwaukee in July is currently the most expensive (average of $670). 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 to fly round-trip from London Heathrow Airport to Milwaukee?

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Milwaukee. 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 into for flights to Milwaukee from London Heathrow?

    Milwaukee-Mitchell (MKE) is the airport you will fly into if you book a flight from London Heathrow to Milwaukee. You should not have trouble finding flights to Milwaukee-Mitchell from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Milwaukee airport from London Heathrow. It is only a 6.4 mi journey from Milwaukee-Mitchell (MKE) to Milwaukee’s city center.

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

    There are many flights that can get you from London Heathrow Airport to Milwaukee in 35h 39m. Fly via Scandinavian Airlines to get the fastest option. There are 3894 mi between London Heathrow Airport and Milwaukee.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Milwaukee 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 London Heathrow Airport to Milwaukee?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Milwaukee (average of $475). Flying from London Heathrow Airport to Milwaukee in July is currently the most expensive (average of $670). 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

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
New Berlin
Oak Creek
Wauwatosa

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