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Cheap flights from London Heathrow Airport to Milwaukee from £430

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 19/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MKE
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Milwaukee-Mitchell are usually found in April or September, booked 69 days in advance, depart on a Tuesday or Monday and return on a Monday

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 30 April 2025.

Round-trip from

£605

One-way from

£430

Popular in

July

Cheapest in

April

Average price

£587
Icelandair
  • Icelandair
  • 20/6-23/6
  • 2 total stops
  • 45h 10m total
  • London to Milwaukee
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19/6
  • 19/6
  • 3 total stops
  • 31h 51m total
  • London to Milwaukee
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£74 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
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Average for round-trip flights in April 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 30 April 2025.

Fri 20/608:25LHR - MKE
1 stop13h 18mIcelandair
Mon 23/616:38MKE - LHR
1 stop31h 52mIcelandair
Deal found 29/4£605
Thu 29/513:05LHR - MKE
2 stops28h 22mMultiple Airlines
Thu 5/612:22MKE - LHR
2 stops25h 58mMultiple Airlines
Deal found 28/4£615
Fri 13/617:30LHR - MKE
2 stops32h 51mScandinavian Airlines
Fri 20/607:10MKE - LHR
2 stops24h 25mScandinavian Airlines
Deal found 28/4£835
Mon 9/608:30LHR - MKE
2 stops19h 55mLufthansa
Mon 16/617:49MKE - LHR
1 stop30h 31mLufthansa
Deal found 29/4£901
Mon 9/612:25LHR - MKE
1 stop15h 05mVirgin Atlantic
Mon 16/616:46MKE - LHR
1 stop12h 24mVirgin Atlantic
Deal found 29/4£917
Fri 13/614:05LHR - MKE
2 stops14h 20mAir Canada
Fri 20/611:00MKE - LHR
2 stops17h 00mAir Canada
Deal found 29/4£966
Fri 13/608:40LHR - MKE
2 stops16h 30mUnited Airlines
Fri 20/605:15MKE - LHR
1 stop19h 05mUnited Airlines
Deal found 29/4£967
Fri 13/612:15LHR - MKE
1 stop15h 06mBritish Airways
Fri 20/614:50MKE - LHR
1 stop12h 20mBritish Airways
Deal found 29/4£990
Sat 14/606:30LHR - MKE
2 stops16h 05mDelta
Sat 21/618:03MKE - LHR
1 stop13h 27mDelta
Deal found 29/4£1,001

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 30 April 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

Fri 20/6

08:25-15:43

1 stop13h 18m

Milwaukee-Mitchell

Mon 23/6

16:38-06:30

1 stop31h 52m

£605

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 29/5

13:05-11:27

2 stops28h 22m

Milwaukee-Mitchell

Thu 5/6

12:22-20:20

2 stops25h 58m

£615

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 13/6

17:30-20:21

2 stops32h 51m

Milwaukee-Mitchell

Fri 20/6

07:10-13:35

2 stops24h 25m

£835

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Mon 9/6

08:30-22:25

2 stops19h 55m

Milwaukee-Mitchell

Mon 16/6

17:49-06:20

1 stop30h 31m

£901

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Mon 9/6

12:25-21:30

1 stop15h 05m

Milwaukee-Mitchell

Mon 16/6

16:46-11:10

1 stop12h 24m

£917

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 13/6

14:05-22:25

2 stops14h 20m

Milwaukee-Mitchell

Fri 20/6

11:00-10:00

2 stops17h 00m

£966

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 13/6

08:40-19:10

2 stops16h 30m

Milwaukee-Mitchell

Fri 20/6

11:00-10:00

2 stops17h 00m

£967

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 13/6

12:15-21:21

1 stop15h 06m

Milwaukee-Mitchell

Fri 20/6

14:50-09:10

1 stop12h 20m

£990

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sat 14/6

06:30-16:35

2 stops16h 05m

Milwaukee-Mitchell

Sat 21/6

18:03-13:30

1 stop13h 27m

£1,001

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 19/6

06:15-08:06

3 stops31h 51m

£430

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 16 results
1
2

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 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 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 return flight from Heathrow to Milwaukee. Price data was last updated on 25 April 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 69 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Milwaukee (average of £655). Flying from London Heathrow Airport to Milwaukee in July is currently the most expensive (average of £1,079). 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 LHR to MKE?

Find hourly flight availability from Heathrow to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

It’s optimal to fly from London Heathrow Airport to Milwaukee at midday. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Milwaukee by month

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

In terms of precipitation, rainfall in Milwaukee ranges from 36.0 - 102.0 inches per month. June is typically the wettest month, when rainfall can reach 102.0 mm. January is typically the driest time to visit Milwaukee when rainfall is around 36.0 mm.

Temperature in Milwaukee by month

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

If weather is an important factor for your trip to Milwaukee, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. 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 Milwaukee. Reviews last updated 30 April 2025.
Delta
8.0
Very Good
7,936 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,936 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
JetBlue
7.3
Good
2,922 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Scandinavian Airlines
7.3
Good
1,349 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    For a flight from London Heathrow to Milwaukee, you will be flying into Milwaukee-Mitchell. Milwaukee-Mitchell (MKE) is just 6.4 mi from the center of the city. Milwaukee-Mitchell is the only Milwaukee airport and it handles 0 inbound flights from London Heathrow per day. 4 airlines have flights to Milwaukee-Mitchell from London Heathrow on a regular basis.

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

    Currently priced at £605, Icelandair will fly you from London Heathrow Airport to Milwaukee and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and Lufthansa - these airlines can fly you to your destination from £835 and £901, respectively. Icelandair is priced at 15% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as £621. Users have also found prices from £870 and £1,405 on JetBlue and British Airways, respectively.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Milwaukee (average of £655). Flying from London Heathrow Airport to Milwaukee in July is currently the most expensive (average of £1,079). 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
Glendale
Waukesha

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Heathrow to Milwaukee

Discover the top 4 airlines that operate flights from Heathrow to Milwaukee. 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 858,174 searches. Data last updated 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£487Average£665FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£514Average£652FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£560Average£790FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£611Average£833FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Milwaukee?

Cheapflights makes it easy to find Heathrow to Milwaukee flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Milwaukee?

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Milwaukee by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Milwaukee from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Heathrow to Milwaukee and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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