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Cheap flights from London Heathrow Airport to Milwaukee from £572

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MKE
20 Apr — 27 Apr1
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 15 April 2025.

Round-trip from

£572

Popular in

July

Cheapest in

April

Average price

£598
Icelandair
  • Icelandair
  • 9/9-14/9
  • 4 total stops
  • 83h 33m total
  • London to Milwaukee
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£77 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
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 15 April 2025.

Tue 9/908:15LHR - MKE
2 stops36h 33mIcelandair
Sun 14/915:45MKE - LHR
2 stops47h 00mIcelandair
Deal found 15/4£572
Sat 17/510:20LHR - MKE
2 stops33h 34mMultiple Airlines
Sun 25/514:59MKE - LHR
2 stops21h 31mMultiple Airlines
Deal found 14/4£676
Sat 17/515:50LHR - MKE
2 stops31h 16mLufthansa
Sun 25/517:29MKE - LHR
1 stop30h 51mLufthansa
Deal found 14/4£696
Mon 5/514:10LHR - MKE
1 stop12h 27mUnited Airlines
Mon 12/513:10MKE - LHR
1 stop11h 10mUnited Airlines
Deal found 14/4£835
Thu 1/509:30LHR - MKE
2 stops18h 45mAir Canada
Tue 13/511:25MKE - LHR
2 stops13h 10mAir Canada
Deal found 14/4£870
Mon 5/512:25LHR - MKE
1 stop12h 11mKLM
Sun 11/518:33MKE - LHR
1 stop12h 57mKLM
Deal found 14/4£882
Thu 1/511:10LHR - MKE
1 stop14h 34mBritish Airways
Fri 9/514:51MKE - LHR
1 stop9h 59mBritish Airways
Deal found 14/4£883
Sat 3/506:30LHR - MKE
2 stops15h 46mDelta
Sat 10/512:10MKE - LHR
1 stop12h 35mDelta
Deal found 14/4£899
Thu 29/512:25LHR - MKE
1 stop11h 44mVirgin Atlantic
Thu 5/619:04MKE - LHR
1 stop12h 06mVirgin Atlantic
Deal found 14/4£953
Fri 30/519:50LHR - MKE
2 stops29h 56mScandinavian Airlines
Fri 6/607:00MKE - LHR
3 stops24h 35mScandinavian Airlines
Deal found 15/4£1,075
Mon 21/409:50LHR - MKE
2 stops19h 10mAer Lingus
Wed 30/418:37MKE - LHR
2 stops12h 48mAer Lingus
Deal found 14/4£1,198
Sun 4/510:55LHR - MKE
1 stop15h 17mAir France
Sat 10/517:15MKE - LHR
1 stop14h 15mAir France
Deal found 14/4£2,049

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 15 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

Tue 9/9

08:15-14:48

2 stops36h 33m

Milwaukee-Mitchell

Sun 14/9

15:45-20:45

2 stops47h 00m

£572

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sat 17/5

10:20-13:54

2 stops33h 34m

Milwaukee-Mitchell

Sun 25/5

14:59-18:30

2 stops21h 31m

£676

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sat 17/5

15:50-17:06

2 stops31h 16m

Milwaukee-Mitchell

Sun 25/5

17:29-06:20

1 stop30h 51m

£696

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Mon 5/5

11:05-17:06

1 stop12h 01m

Milwaukee-Mitchell

Tue 13/5

14:22-08:20

1 stop11h 58m

£835

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 1/5

09:30-22:15

2 stops18h 45m

Milwaukee-Mitchell

Tue 13/5

11:25-06:35

2 stops13h 10m

£870

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Mon 5/5

12:25-18:36

1 stop12h 11m

Milwaukee-Mitchell

Sun 11/5

18:33-13:30

1 stop12h 57m

£882

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 1/5

11:10-19:44

1 stop14h 34m

Milwaukee-Mitchell

Fri 9/5

14:51-06:50

1 stop9h 59m

£883

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sat 3/5

06:30-16:16

2 stops15h 46m

Milwaukee-Mitchell

Sat 10/5

12:10-06:45

1 stop12h 35m

£899

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 29/5

12:25-18:09

1 stop11h 44m

Milwaukee-Mitchell

Thu 5/6

19:04-13:10

1 stop12h 06m

£953

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 30/5

19:50-19:46

2 stops29h 56m

Milwaukee-Mitchell

Fri 6/6

07:00-13:35

3 stops24h 35m

£1,075

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 18 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 11 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 15 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 15 April 2025.
Read reviews from past customers who have flown Delta, KLM and Air France from London to Milwaukee. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,916 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
7,916 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
1,323 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
8,656 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
7,916 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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 £572, 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 Lufthansa and United Airlines - these airlines can fly you to your destination from £696 and £835, respectively. Icelandair is priced at 21% 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 WestJet. According to our data, you can fly for as low as £675. Users have also found prices from £765 and £793 on Aer Lingus 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

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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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£496Average£718FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£529Average£661FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£571Average£784FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£622Average£849FlexibilityNo 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.

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