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Cheap flights from London Heathrow Airport to Milwaukee from £429

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MKE
28 Jul — 4 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Milwaukee

Enter your travel dates to find the best prices.

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 28 June 2026.

Tue 25/808:40
LHR
-
MKE
1 stop30h 04m
JetBlue
Sat 29/809:36
MKE
-
LHR
1 stop14h 54m
JetBlue
Deal found 24/6£676
Sat 22/808:40
LHR
-
MKE
1 stop30h 04m
JetBlue
Tue 1/909:36
MKE
-
LHR
1 stop14h 54m
JetBlue
Deal found 23/6£682
Mon 20/708:40
LHR
-
MKE
1 stop30h 05m
JetBlue
Fri 31/709:35
MKE
-
LHR
1 stop14h 55m
JetBlue
Deal found 24/6£725
Mon 24/808:40
LHR
-
MKE
1 stop30h 04m
JetBlue
Sat 29/809:36
MKE
-
LHR
1 stop14h 54m
JetBlue
Deal found 26/6£734
Fri 27/1109:30
LHR
-
MKE
2 stops19h 15m
United Airlines
Tue 1/1206:00
MKE
-
LHR
1 stop17h 55m
United Airlines
Deal found 24/6£748
Wed 1/706:50
LHR
-
MKE
2 stops13h 46m
United Airlines
Mon 3/805:00
MKE
-
LHR
1 stop19h 45m
United Airlines
Deal found 24/6£781
Thu 2/714:05
LHR
-
MKE
2 stops38h 24m
Air Canada
Sun 2/807:50
MKE
-
LHR
2 stops20h 10m
Air Canada
Deal found 24/6£798
Wed 1/717:40
LHR
-
MKE
2 stops34h 49m
Air Canada
Wed 5/806:20
MKE
-
LHR
2 stops18h 10m
Air Canada
Deal found 24/6£801
Wed 1/714:45
LHR
-
MKE
1 stop12h 20m
British Airways
Wed 5/818:48
MKE
-
LHR
1 stop10h 27m
British Airways
Deal found 24/6£804
Wed 1/717:40
LHR
-
MKE
2 stops34h 49m
Air Canada
Thu 6/808:50
MKE
-
LHR
2 stops15h 45m
Air Canada
Deal found 24/6£805

Find 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 28 June 2026.

Round-trip from

£676

One-way from

£429

Popular in

July

Cheapest in

September

Average price

£864
JetBlue
  • JetBlue
  • 25/8-29/8
  • 2 total stops
  • 44h 58m total
  • London to Milwaukee
Search Deals
30/9
  • 30/9
  • 3 total stops
  • 39h 20m total
  • London to Milwaukee
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 28 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 27/11

09:30-22:45

2 stops19h 15m

Milwaukee-Mitchell

Tue 1/12

06:00-05:55

1 stop17h 55m

£748

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Mon 20/7

18:00-09:53

2 stops21h 53m

Milwaukee-Mitchell

Fri 31/7

19:08-05:55

1 stop28h 47m

£895

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sat 22/8

08:50-18:30

2 stops15h 40m

Milwaukee-Mitchell

Sun 30/8

06:00-08:05

2 stops20h 05m

£938
Fastest return journey

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sat 1/8

14:45-22:21

1 stop13h 36m

Milwaukee-Mitchell

Thu 1/10

13:18-10:50

1 stop15h 32m

£1,094
Cheapest one-way

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Tue 6/10

07:50-19:40

2 stops17h 50m

£514

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Tue 6/10

11:20-10:35

2 stops29h 15m

£526

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Wed 30/9

12:15-21:59

1 stop15h 44m

£534

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Tue 6/10

15:15-11:15

1 stop26h 00m

£551
Fastest single journey

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Wed 21/10

14:45-21:18

1 stop12h 33m

£555

Flights are sorted by cheapest return flights first.

Deals found on 28/6

Sorted by cheapest first

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

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

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Milwaukee (average of £604). Flying from London Heathrow Airport to Milwaukee in July is currently the most expensive (average of £1,032). 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.

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 28 June 2026.
Read reviews from past customers who have flown with Virgin Atlantic,United Airlines, andJetBlue 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.
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.5

Food

6.9

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
690 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.5

Food

6.9

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.4
Good
9,901 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.5

Food

6.9

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
JetBlue
7.1
Good
3,014 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.5

Food

6.9

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,076 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.5

Food

6.9

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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. 3 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 19h 15m. 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 £535, JetBlue will fly you from London Heathrow Airport to Milwaukee and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and British Airways - these airlines can fly you to your destination from £661 and £761, respectively. JetBlue is priced at 34% 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Milwaukee (average of £604). Flying from London Heathrow Airport to Milwaukee in July is currently the most expensive (average of £1,032). 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

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 28 June 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£471Average£568FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£661Average£770FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£761Average£896FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£761Average£847FlexibilityNo 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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