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$550+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MKE
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheap 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 September 19, 2025.

Round-trip from

$802
(The Travel House)

One-way from

$550
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$893
From London Heathrow to Milwaukee-Mitchell
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One-way flight from London Heathrow to Milwaukee-Mitchell
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Highest demand for flights based on searches. 11% potential increase in price ($126 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 19, 2025.

This JetBlue deal was found by Cheapflights users on 9/18. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:25 amLHR - MKE
1 stop13h 18mJetBlue
Wed 10/84:38 pmMKE - LHR
1 stop31h 52mJetBlue
Deal found 9/18$829
This Trip.com deal was found by Cheapflights users on 9/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:00 amLHR - MKE
1 stop14h 09mUnited Airlines
Sat 11/811:00 amMKE - LHR
1 stop18h 05mUnited Airlines
Deal found 9/16$865
This World Air Fares deal was found by Cheapflights users on 9/17. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:40 amLHR - MKE
1 stop14h 37mLufthansa
Sat 11/812:05 pmMKE - LHR
1 stop11h 50mLufthansa
Deal found 9/17$886
This The Travel House deal was found by Cheapflights users on 9/18. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:30 pmLHR - MKE
2 stops32h 37mScandinavian Airlines
Thu 11/207:00 amMKE - LHR
2 stops29h 30mScandinavian Airlines
Deal found 9/18$892
This Lufthansa deal was found by Cheapflights users on 9/18. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:35 pmLHR - MKE
1 stop14h 12mLufthansa
Mon 12/85:35 pmMKE - LHR
1 stop11h 40mLufthansa
Deal found 9/18$907
This Lufthansa deal was found by Cheapflights users on 9/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/94:00 pmLHR - MKE
1 stop13h 24mLufthansa
Tue 10/1411:27 amMKE - LHR
1 stop13h 18mLufthansa
Deal found 9/17$910
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/259:30 amLHR - MKE
2 stops31h 56mAir Canada
Wed 10/87:00 amMKE - LHR
2 stops20h 35mAir Canada
Deal found 9/18$923
This Air Canada deal was found by Cheapflights users on 9/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/111:10 amLHR - MKE
2 stops14h 40mMultiple Airlines
Sat 11/88:44 amMKE - LHR
3 stops16h 26mMultiple Airlines
Deal found 9/17$926
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/259:30 amLHR - MKE
2 stops31h 56mMultiple Airlines
Wed 10/811:27 amMKE - LHR
1 stop13h 48mMultiple Airlines
Deal found 9/18$936

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 September 19, 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-8:12 pm

2 stops33h 12m

Milwaukee-Mitchell

Sun 2/22

7:00 am-9:20 am

2 stops20h 20m

$802

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sat 11/1

8:00 am-5:09 pm

1 stop14h 09m

Milwaukee-Mitchell

Sat 11/8

11:00 am-11:05 am

1 stop18h 05m

$865

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Tue 10/14

5:30 pm-8:07 pm

2 stops32h 37m

Milwaukee-Mitchell

Thu 11/20

7:00 am-6:30 pm

2 stops29h 30m

$892

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sun 2/15

8:15 pm-8:55 pm

2 stops30h 40m

Milwaukee-Mitchell

Sun 2/22

1:25 pm-5:55 am

1 stop10h 30m

$905

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Tue 12/2

9:50 am-11:02 am

2 stops31h 12m

$550

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 10/2

8:25 am-3:43 pm

1 stop13h 18m

$623

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Wed 10/1

8:25 am-3:43 pm

1 stop13h 18m

$623

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 10/3

8:25 am-3:43 pm

1 stop13h 18m

$737

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sun 11/30

2:50 pm-10:33 am

2 stops25h 43m

$831

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sun 11/30

8:55 am-8:07 pm

1 stop17h 12m

$842

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

Showing 1-10 of 13 results
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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

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

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Milwaukee. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Milwaukee, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $280). Flying from London Heathrow Airport to Milwaukee in June is currently the most expensive (average of $376). 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 14h 09m. Fly via Scandinavian Airlines or United Airlines to get the fastest option. There are 3894 mi between London Heathrow Airport and Milwaukee. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $280). Flying from London Heathrow Airport to Milwaukee in June is currently the most expensive (average of $376). 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
Oak Creek
New Berlin
Wauwatosa

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