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Cheap flights from London Heathrow Airport to Milwaukee from £443

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MKE
2 Aug — 9 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 3 July 2026.

Mon 24/808:40
LHR
-
MKE
1 stop30h 04m
JetBlue
Fri 28/809:36
MKE
-
LHR
1 stop14h 54m
JetBlue
Deal found 1/7£658
Mon 24/808:40
LHR
-
MKE
1 stop30h 04m
JetBlue
Wed 2/909:36
MKE
-
LHR
1 stop14h 54m
JetBlue
Deal found 3/7£671
Thu 13/808:40
LHR
-
MKE
1 stop30h 04m
JetBlue
Fri 28/809:36
MKE
-
LHR
1 stop14h 54m
JetBlue
Deal found 29/6£722
Tue 21/708:40
LHR
-
MKE
1 stop30h 05m
JetBlue
Fri 24/709:35
MKE
-
LHR
1 stop14h 55m
JetBlue
Deal found 1/7£770
Thu 1/1019:10
LHR
-
MKE
2 stops45h 25m
Multiple Airlines
Sat 31/1016:57
MKE
-
LHR
2 stops36h 58m
Multiple Airlines
Deal found 29/6£779
Mon 3/808:40
LHR
-
MKE
1 stop30h 05m
JetBlue
Tue 11/809:36
MKE
-
LHR
1 stop14h 54m
JetBlue
Deal found 30/6£783
Fri 17/708:40
LHR
-
MKE
1 stop30h 05m
JetBlue
Thu 23/709:35
MKE
-
LHR
1 stop14h 55m
JetBlue
Deal found 3/7£784
Wed 22/708:40
LHR
-
MKE
1 stop30h 05m
JetBlue
Wed 29/709:35
MKE
-
LHR
1 stop14h 55m
JetBlue
Deal found 1/7£791
Mon 24/812:05
LHR
-
MKE
2 stops27h 55m
Lufthansa
Wed 2/919:05
MKE
-
LHR
1 stop20h 15m
Lufthansa
Deal found 3/7£804
Thu 23/708:40
LHR
-
MKE
1 stop30h 05m
JetBlue
Mon 27/709:35
MKE
-
LHR
1 stop14h 55m
JetBlue
Deal found 1/7£808

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 3 July 2026.

Round-trip from

£658

One-way from

£443

Popular in

July

Cheapest in

September

Average price

£1,020
JetBlue
  • JetBlue
  • 24/8-28/8
  • 2 total stops
  • 44h 58m total
  • London to Milwaukee
Search Deals
27/8
  • 27/8
  • 3 total stops
  • 29h 08m total
  • London to Milwaukee
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£57 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 July 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 3 July 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

11:10-20:55

2 stops15h 45m

Milwaukee-Mitchell

Tue 1/12

10:45-07:55

1 stop15h 10m

£818

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Wed 12/8

17:00-23:59

1 stop36h 59m

Milwaukee-Mitchell

Mon 24/8

07:02-15:05

1 stop26h 03m

£1,092

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Tue 11/8

15:15-23:53

1 stop14h 38m

Milwaukee-Mitchell

Wed 26/8

17:19-11:20

1 stop12h 01m

£1,103

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Mon 10/8

11:05-18:48

1 stop13h 43m

Milwaukee-Mitchell

Tue 25/8

13:19-06:45

1 stop11h 26m

£1,106

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Tue 11/8

14:10-21:00

1 stop12h 50m

Milwaukee-Mitchell

Mon 24/8

13:19-06:45

1 stop11h 26m

£1,106

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Mon 10/8

11:05-16:42

1 stop11h 37m

Milwaukee-Mitchell

Wed 26/8

15:15-08:30

1 stop11h 15m

£1,106

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 13/8

07:30-18:55

2 stops17h 25m

Milwaukee-Mitchell

Thu 20/8

11:40-09:20

1 stop15h 40m

£1,109
Fastest return journey

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Wed 12/8

10:45-16:02

1 stop11h 17m

Milwaukee-Mitchell

Tue 25/8

12:51-06:25

1 stop11h 34m

£1,114
Cheapest one-way

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 27/8

11:55-08:44

2 stops50h 49m

£480

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Tue 3/11

06:05-22:42

2 stops22h 37m

£509

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 11 resultsSorted by cheapest first
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

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 £597). Flying from London Heathrow Airport to Milwaukee in July is currently the most expensive (average of £1,278). 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 3 July 2026.
Read reviews from past customers who have flown with United Airlines,JetBlue, andBritish Airways 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.
United Airlines
7.4
Good
9,929 reviews
Check prices

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
9,929 reviews
United Airlines
7.4
Good
9,929 reviews
Check prices

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
JetBlue
7.1
Good
3,008 reviews
United Airlines
7.4
Good
9,929 reviews
Check prices

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
British Airways
6.7
Okay
8,093 reviews
United Airlines
7.4
Good
9,929 reviews
Check prices

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.7

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 14h 38m. London Heathrow Airport and Milwaukee are separated by a distance of 3894 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at £529, 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 £653 and £752, 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 £597). Flying from London Heathrow Airport to Milwaukee in July is currently the most expensive (average of £1,278). 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 3 airlines flying from Heathrow to Milwaukee

Discover the top 3 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 3 July 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£529Average£561FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£653Average£812FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£752Average£886FlexibilityNo cancel feeOn-time70%
Search British Airways 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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