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$649+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MKE
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This TravelUp deal was found by Cheapflights users on 1/28. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:40 am
LHR
-
MKE
1 stop13h 34m
JetBlue
Sat 5/165:09 pm
MKE
-
LHR
1 stop31h 21m
JetBlue
Deal found 1/28$798
This Scandinavian Airlines deal was found by Cheapflights users on 1/26. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:40 pm
LHR
-
MKE
2 stops31h 56m
Scandinavian Airlines
Mon 3/912:27 pm
MKE
-
LHR
2 stops25h 03m
Scandinavian Airlines
Deal found 1/26$867
This Travcart deal was found by Cheapflights users on 1/27. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/159:40 am
LHR
-
MKE
1 stop14h 31m
Virgin Atlantic
Sun 2/225:03 pm
MKE
-
LHR
1 stop9h 42m
Virgin Atlantic
Deal found 1/27$928
This Travcart deal was found by Cheapflights users on 1/27. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/51:00 pm
LHR
-
MKE
1 stop13h 54m
Virgin Atlantic
Fri 2/207:15 am
MKE
-
LHR
1 stop18h 35m
Virgin Atlantic
Deal found 1/27$929
This TravelUp deal was found by Cheapflights users on 1/27. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/131:00 pm
LHR
-
MKE
1 stop12h 40m
Virgin Atlantic
Fri 3/2012:27 pm
MKE
-
LHR
1 stop14h 23m
Virgin Atlantic
Deal found 1/27$941
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 3/611:10 am
LHR
-
MKE
2 stops16h 40m
United Airlines
Mon 3/91:25 pm
MKE
-
LHR
1 stop13h 30m
United Airlines
Deal found 1/26$961
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 3/138:30 am
LHR
-
MKE
2 stops15h 13m
United Airlines
Fri 3/209:44 am
MKE
-
LHR
1 stop15h 11m
United Airlines
Deal found 1/27$963
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Thu 2/56:50 am
LHR
-
MKE
2 stops14h 53m
United Airlines
Fri 2/204:00 pm
MKE
-
LHR
1 stop9h 55m
United Airlines
Deal found 1/27$964
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:30 am
LHR
-
MKE
2 stops17h 41m
Delta
Sun 2/225:03 pm
MKE
-
LHR
1 stop9h 42m
Delta
Deal found 1/27$965
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/131:00 pm
LHR
-
MKE
1 stop12h 40m
Delta
Fri 3/2012:27 pm
MKE
-
LHR
1 stop13h 23m
Delta
Deal found 1/27$981

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$798
(TravelUp)

One-way from

$649
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$1,109
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. 11% potential increase in price ($131 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 29, 2026.
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

Sat 5/9

8:40 am-4:14 pm

1 stop13h 34m

Milwaukee-Mitchell

Sat 5/16

5:09 pm-6:30 am

1 stop31h 21m

$798

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 3/6

6:40 pm-8:36 pm

2 stops31h 56m

Milwaukee-Mitchell

Mon 3/9

12:27 pm-6:30 pm

2 stops25h 03m

$867

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sun 2/15

9:40 am-6:11 pm

1 stop14h 31m

Milwaukee-Mitchell

Sun 2/22

5:03 pm-8:45 am

1 stop9h 42m

$928

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 3/13

1:00 pm-8:40 pm

1 stop12h 40m

Milwaukee-Mitchell

Fri 3/20

12:27 pm-7:50 am

1 stop14h 23m

$941

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 3/6

11:10 am-9:50 pm

2 stops16h 40m

Milwaukee-Mitchell

Mon 3/9

1:25 pm-7:55 am

1 stop13h 30m

$961

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 3/13

8:30 am-6:43 pm

2 stops15h 13m

Milwaukee-Mitchell

Fri 3/20

6:00 am-5:55 am

1 stop18h 55m

$963

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sun 2/15

6:30 am-6:11 pm

2 stops17h 41m

Milwaukee-Mitchell

Sun 2/22

5:03 pm-8:45 am

1 stop9h 42m

$965

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 3/13

1:00 pm-8:40 pm

1 stop12h 40m

Milwaukee-Mitchell

Fri 3/20

12:27 pm-6:50 am

1 stop13h 23m

$981

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sun 2/15

7:30 pm-10:39 pm

2 stops33h 09m

Milwaukee-Mitchell

Sun 2/22

7:00 am-5:40 pm

2 stops28h 40m

$984

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Mon 4/27

9:50 am-2:13 pm

2 stops34h 23m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 17 results
1
2
  • Most accurate provider: When it comes to deals on London Heathrow Airport-Milwaukee flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Milwaukee flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $673). 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 13h 34m. Fly via JetBlue, Scandinavian Airlines, or Virgin Atlantic 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 $475). Flying from London Heathrow Airport to Milwaukee in July is currently the most expensive (average of $673). 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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