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$525+ Cheap flights from Milwaukee (MKE) to Heathrow (LHR)

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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Milwaukee-Mitchell to London Heathrow are usually found in October or February, booked 47 days in advance, depart on a Sunday or Tuesday and return on a Monday

Cheap 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$708
(FlightHub)

One-way from

$525
(Booking.com)

Popular in

June

Cheapest in

October

Average price

$841
Provider with most accurate pricing for Milwaukee-Mitchell-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Milwaukee-Mitchell-London Heathrow flights.
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From Milwaukee-Mitchell to London Heathrow
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One-way flight from Milwaukee-Mitchell to London Heathrow
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Highest demand for flights based on searches. 14% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Milwaukee to Heathrow

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 March 28, 2025.

This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/287:00 amMKE - LHR
2 stops25h 35mScandinavian Airlines
Fri 5/97:50 pmLHR - MKE
2 stops29h 56mScandinavian Airlines
Deal found 3/27$708
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2810:20 amMKE - LHR
1 stop16h 00mUnited Airlines
Fri 5/92:05 pmLHR - MKE
2 stops29h 42mUnited Airlines
Deal found 3/27$759
This Delta deal was found by Cheapflights users on 3/27. 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.
Wed 10/151:05 pmMKE - LHR
1 stop13h 50mDelta
Fri 10/249:55 amLHR - MKE
2 stops15h 50mDelta
Deal found 3/27$768
This Finnair deal was found by Cheapflights users on 3/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:53 amMKE - LHR
1 stop12h 47mMultiple Airlines
Fri 10/241:25 pmLHR - MKE
1 stop12h 33mMultiple Airlines
Deal found 3/27$772
This KLM deal was found by Cheapflights users on 3/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1712:38 pmMKE - LHR
1 stop12h 07mKLM
Fri 5/911:45 amLHR - MKE
1 stop12h 09mKLM
Deal found 3/27$832
This Gotogate deal was found by Cheapflights users on 3/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/118:20 amMKE - LHR
2 stops19h 40mAir Canada
Sun 5/182:05 pmLHR - MKE
2 stops31h 05mAir Canada
Deal found 3/27$844
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/116:23 pmMKE - LHR
1 stop10h 07mBritish Airways
Sun 5/1812:15 pmLHR - MKE
1 stop11h 21mBritish Airways
Deal found 3/27$865
This FlightHub deal was found by Cheapflights users on 3/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1311:37 amMKE - LHR
2 stops17h 33mAer Lingus
Sat 8/238:50 amLHR - MKE
2 stops16h 47mAer Lingus
Deal found 3/26$873
This Virgin Atlantic deal was found by Cheapflights users on 3/27. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:23 amMKE - LHR
1 stop14h 27mVirgin Atlantic
Tue 12/3012:10 pmLHR - MKE
1 stop17h 43mVirgin Atlantic
Deal found 3/27$974
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/235:40 pmMKE - LHR
2 stops20h 00mLufthansa
Fri 8/297:30 pmLHR - MKE
2 stops27h 26mLufthansa
Deal found 3/27$1,003
This Aeromexico deal was found by Cheapflights users on 3/28. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/131:05 pmMKE - LHR
2 stops13h 45mAir France
Tue 7/226:15 amLHR - MKE
2 stops19h 30mAir France
Deal found 3/28$1,171

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated March 28, 2025.
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

Mon 4/28

7:00 am-2:35 pm

2 stops25h 35m

London Heathrow

Fri 5/9

7:50 pm-7:46 pm

2 stops29h 56m

$708

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 4/28

10:20 am-8:20 am

1 stop16h 00m

London Heathrow

Fri 5/9

2:05 pm-1:47 pm

2 stops29h 42m

$759

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 4/28

1:48 pm-6:50 am

1 stop11h 02m

London Heathrow

Fri 5/9

11:05 am-5:36 pm

1 stop12h 31m

$772

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 5/2

3:52 pm-11:10 am

1 stop13h 18m

London Heathrow

Tue 5/13

8:40 am-5:54 pm

2 stops15h 14m

$818

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 4/17

12:38 pm-6:45 am

1 stop12h 07m

London Heathrow

Fri 5/9

11:45 am-5:54 pm

1 stop12h 09m

$832

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 5/11

8:20 am-10:00 am

2 stops19h 40m

London Heathrow

Sun 5/18

2:05 pm-3:10 pm

2 stops31h 05m

$844

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 5/11

6:23 pm-10:30 am

1 stop10h 07m

London Heathrow

Sun 5/18

12:15 pm-5:36 pm

1 stop11h 21m

$865

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 8/13

11:37 am-11:10 am

2 stops17h 33m

London Heathrow

Sat 8/23

8:50 am-7:37 pm

2 stops16h 47m

$873

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sat 8/23

5:40 pm-7:40 pm

2 stops20h 00m

London Heathrow

Fri 8/29

7:30 pm-4:56 pm

2 stops27h 26m

$1,003

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 7/13

1:05 pm-8:50 am

2 stops13h 45m

London Heathrow

Tue 7/22

6:15 am-7:45 pm

2 stops19h 30m

$1,171

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 17 results
1
2

Compare providers for flights from Milwaukee to Heathrow

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 Milwaukee to Heathrow in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 Milwaukee-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Milwaukee-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Milwaukee-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Milwaukee-London Heathrow Airport 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 Milwaukee-London Heathrow Airport 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 Milwaukee to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Milwaukee 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 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 round-trip flight from Milwaukee to Heathrow. Price data was last updated on March 21, 2025.

The best time to book flights from Milwaukee to London Heathrow Airport is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of $661). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of $1,115). 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.

What is the cheapest time of day to fly from MKE to LHR?

Find hourly flight availability from Milwaukee to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 16% on flights from Milwaukee to London Heathrow Airport by exploring options for tickets in the evening.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,325 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Milwaukee-Mitchell (MKE), located 6.4 mi from the city center, is the airport you fly out of when you book flights from Milwaukee to London Heathrow. 6 airlines have flights from Milwaukee-Mitchell to London Heathrow on a regular basis. Booking flights from Milwaukee-Mitchell to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

  • What are the cheapest airlines flying from Milwaukee to London Heathrow Airport round-trip?

    Scandinavian Airlines, at $708, was found to be the cheapest airline from Milwaukee to London Heathrow Airport.Alternate airlines to your destination round-trip include United Airlines and Delta. These flights start at 24% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Milwaukee to London Heathrow Airport one-way?

    The cheapest airlines for a one-way flight from Milwaukee to London Heathrow Airport are Air Canada ($525), United Airlines ($529), and Delta ($538).

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of $661). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of $1,115). 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
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Alternative routes for Milwaukee to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Milwaukee to Heathrow

Discover the top 6 airlines that operate flights from Milwaukee to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$566Average$1,054FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$613Average$804FlexibilityNo cancel feeOn-time71%
DeltaCheapest$613Average$820FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$659Average$906FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$695Average$823FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$703Average$924FlexibilityNo cancel feeOn-time72%
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