Cheap flights from London Heathrow Airport to Milwaukee from £398

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 20/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MKE
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London Heathrow to Milwaukee-Mitchell are usually found in April or September, booked 70 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 17 September 2025.

Round-trip from

£555

One-way from

£398

Popular in

July

Cheapest in

April

Average price

£655
4/12-8/12
  • 4/12-8/12
  • 6 total stops
  • 45h 10m total
  • London to Milwaukee
20/11
  • 20/11
  • 3 total stops
  • 31h 34m total
  • London to Milwaukee
Highest demand for flights based on searches. 11% potential increase in price (£67 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in September 2025

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 17 September 2025.

Thu 4/1212:15LHR - MKE
3 stops29h 14mMultiple Airlines
Mon 8/1212:54MKE - LHR
3 stops15h 56mMultiple Airlines
Deal found 15/9£555
Thu 4/1219:30LHR - MKE
2 stops32h 10mScandinavian Airlines
Mon 8/1207:00MKE - LHR
2 stops27h 00mScandinavian Airlines
Deal found 15/9£563
Sat 1/1108:00LHR - MKE
1 stop14h 09mUnited Airlines
Sat 8/1111:00MKE - LHR
1 stop18h 05mUnited Airlines
Deal found 16/9£634
Wed 12/1113:30LHR - MKE
2 stops15h 13mUnited Airlines
Wed 3/1215:50MKE - LHR
2 stops13h 00mUnited Airlines
Deal found 15/9£642
Thu 4/1210:25LHR - MKE
1 stop18h 05mLufthansa
Mon 8/1214:30MKE - LHR
1 stop11h 25mLufthansa
Deal found 15/9£657
Sun 30/1113:00LHR - MKE
2 stops38h 59mAir Canada
Sun 7/1206:00MKE - LHR
2 stops19h 10mAir Canada
Deal found 14/9£658
Sun 30/1113:00LHR - MKE
2 stops32h 07mAir Canada
Mon 8/1215:50MKE - LHR
2 stops32h 40mAir Canada
Deal found 14/9£662
Wed 12/1112:35LHR - MKE
1 stop11h 21mBritish Airways
Wed 3/1216:23MKE - LHR
1 stop12h 02mBritish Airways
Deal found 15/9£664

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 17 September 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

Thu 4/12

12:15-11:29

3 stops29h 14m

Milwaukee-Mitchell

Mon 8/12

12:54-10:50

3 stops15h 56m

£555

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 4/12

19:30-21:40

2 stops32h 10m

Milwaukee-Mitchell

Mon 8/12

07:00-16:00

2 stops27h 00m

£563

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sun 15/2

19:30-20:12

2 stops30h 42m

Milwaukee-Mitchell

Sun 22/2

07:00-09:20

2 stops20h 20m

£564

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sat 1/11

08:00-17:09

1 stop14h 09m

Milwaukee-Mitchell

Sat 8/11

11:00-11:05

1 stop18h 05m

£634

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Wed 12/11

08:30-18:47

2 stops16h 17m

Milwaukee-Mitchell

Wed 3/12

12:04-09:10

2 stops15h 06m

£642

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sun 15/2

20:15-15:35

2 stops49h 20m

Milwaukee-Mitchell

Sun 22/2

11:39-21:20

1 stop27h 41m

£661

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 20/11

09:55-11:29

3 stops31h 34m

£398

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Wed 19/11

06:00-11:02

3 stops35h 02m

£412

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 21/11

14:50-14:33

3 stops53h 43m

£438

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 2/1

10:00-17:51

3 stops37h 51m

£503

Flights are sorted by cheapest return flights first.

Deals found on 14/9

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 12 September 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 70 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 17 September 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.

How much does it cost for a return flight from London Heathrow Airport to Milwaukee?

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 17 September 2025.
Read reviews from past customers who have flown with Finnair, United Airlines, andVirgin Atlantic from London Heathrow Airport to Milwaukee. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.5

Food

6.7

Crew

8.1

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.5

Food

6.7

Crew

8.1

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.5

Food

6.7

Crew

8.1

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.5

Food

6.7

Crew

8.1

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.5

Food

6.7

Crew

8.1

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.5

Food

6.7

Crew

8.1

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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. 6 airlines have flights to Milwaukee-Mitchell from London Heathrow on a regular basis.

  • How long is the flight from London Heathrow Airport to Milwaukee?

    Departing from London Heathrow Airport to Milwaukee will take you 32h 10m. London Heathrow Airport and Milwaukee are separated by a distance of 3894 mi.

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

    Currently priced at £385, Lufthansa will fly you from London Heathrow Airport to Milwaukee and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from JetBlue and Finnair - these airlines can fly you to your destination from £456 and £505, respectively. Lufthansa is priced at 48% lower than the current average price of a flight leaving 3 months from now.

  • 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 Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Glendale

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Top 6 airlines flying from Heathrow to Milwaukee

Discover the top 6 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£385Average£653FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£456Average£584FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£505Average£627FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£600Average£812FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£650Average£746FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£662Average£780FlexibilityNo cancel feeOn-time70%
Search British Airways 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?

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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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