Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Milwaukee from £574

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MKE
26 Feb — 5 Mar1
1 adult

The best prices from London Heathrow to Milwaukee-Mitchell are usually found in April or May, booked 21 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 21 February 2025.

Round-trip from

£599

One-way from

£574

Popular in

July

Cheapest in

April

Average price

£740
Finnair
  • Finnair
  • 16/3-23/3
  • 2 total stops
  • 28h 34m total
  • London to Milwaukee
Search Deals
Aer Lingus
  • Aer Lingus
  • 4/7
  • 2 total stops
  • 24h 14m total
  • London to Milwaukee
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£82 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 21 February 2025.

Sun 16/311:45LHR - MKE
1 stop15h 58mFinnair
Sun 23/318:24MKE - LHR
1 stop12h 36mFinnair
Deal found 20/2£599
Thu 20/306:00LHR - MKE
3 stops32h 09mMultiple Airlines
Wed 2/410:14MKE - LHR
3 stops25h 31mMultiple Airlines
Deal found 20/2£640
Thu 20/306:30LHR - MKE
2 stops14h 44mDelta
Wed 2/416:59MKE - LHR
1 stop9h 56mDelta
Deal found 20/2£645
Sat 25/1011:45LHR - MKE
1 stop15h 15mVirgin Atlantic
Thu 30/1016:20MKE - LHR
1 stop13h 15mVirgin Atlantic
Deal found 20/2£680
Tue 8/411:05LHR - MKE
1 stop13h 01mBritish Airways
Mon 14/413:48MKE - LHR
1 stop16h 27mBritish Airways
Deal found 20/2£684
Mon 23/615:15LHR - MKE
1 stop14h 10mKLM
Mon 30/617:00MKE - LHR
1 stop9h 55mKLM
Deal found 20/2£730
Tue 24/614:30LHR - MKE
1 stop13h 24mAmerican Airlines
Mon 30/616:34MKE - LHR
1 stop11h 56mAmerican Airlines
Deal found 20/2£752
Tue 8/413:25LHR - MKE
2 stops14h 15mAer Lingus
Mon 14/409:57MKE - LHR
2 stops17h 08mAer Lingus
Deal found 20/2£946
Sun 6/421:05LHR - MKE
3 stops29h 16mScandinavian Airlines
Sun 13/407:00MKE - LHR
2 stops27h 25mScandinavian Airlines
Deal found 20/2£966
Sun 22/611:05LHR - MKE
1 stop17h 20mLufthansa
Sun 29/612:10MKE - LHR
1 stop12h 10mLufthansa
Deal found 21/2£1,180
Mon 23/609:30LHR - MKE
2 stops13h 36mAir Canada
Sun 29/615:45MKE - LHR
2 stops12h 15mAir Canada
Deal found 20/2£1,538

Find flights from Heathrow to Milwaukee within your budget

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 21 February 2025.

Fly from

Heathrow

Fly to

Milwaukee

Route

Depart

Return

Price

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sun 16/3

11:45-22:43

1 stop15h 58m

Milwaukee-Mitchell

Sun 23/3

18:24-12:00

1 stop12h 36m

£599

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 20/3

06:00-09:09

3 stops32h 09m

Milwaukee-Mitchell

Wed 2/4

10:14-17:45

3 stops25h 31m

£640

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 20/3

06:30-18:26

2 stops16h 56m

Milwaukee-Mitchell

Wed 2/4

16:59-13:10

2 stops14h 11m

£645

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Tue 8/4

11:05-18:06

1 stop13h 01m

Milwaukee-Mitchell

Mon 14/4

13:48-12:15

1 stop16h 27m

£684

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Mon 23/6

15:15-23:25

1 stop14h 10m

Milwaukee-Mitchell

Mon 30/6

17:50-13:10

1 stop13h 20m

£719

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Mon 23/6

15:15-23:25

1 stop14h 10m

Milwaukee-Mitchell

Mon 30/6

17:00-08:55

1 stop9h 55m

£730

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Tue 24/6

14:30-21:54

1 stop13h 24m

Milwaukee-Mitchell

Mon 30/6

16:34-10:30

1 stop11h 56m

£752

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Tue 8/4

13:25-21:40

2 stops14h 15m

Milwaukee-Mitchell

Mon 14/4

09:57-09:05

2 stops17h 08m

£946

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sun 6/4

21:05-20:21

3 stops29h 16m

Milwaukee-Mitchell

Sun 13/4

07:00-16:25

2 stops27h 25m

£966

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sun 22/6

11:05-22:25

1 stop17h 20m

Milwaukee-Mitchell

Sun 29/6

12:10-06:20

1 stop12h 10m

£1,180

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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.

Travel insights for flights from Heathrow to Milwaukee

Get recent, data-driven insights about flights from Heathrow to Milwaukee including ideal travel times, pricing trends, and more.

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 14 February 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 21 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 21 February 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 21 February 2025.
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
8,217 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
7.5
Good
654 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,325 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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 £599, Finnair will fly you from London Heathrow Airport to Milwaukee and back. In addition to Finnair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and British Airways - these airlines can fly you to your destination from £645 and £684, respectively. Finnair is priced at 19% 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 £574. Users have also found prices from £629 and £1,938 on British Airways and Lufthansa, 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£496Average£766FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
British AirwaysCheapest£509Average£859FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£558Average£678FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£721Average£885FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.