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Cheap flights from London Heathrow Airport to Milwaukee from £494

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MKE
20 Feb — 27 Feb1
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 21 January 2026.

Sun 15/218:40
LHR
-
MKE
2 stops33h 59m
Scandinavian Airlines
Sun 22/207:00
MKE
-
LHR
2 stops20h 20m
Scandinavian Airlines
Deal found 20/1£588
Thu 5/306:40
LHR
-
MKE
2 stops19h 56m
Scandinavian Airlines
Wed 18/307:00
MKE
-
LHR
2 stops21h 20m
Scandinavian Airlines
Deal found 20/1£610
Fri 6/318:40
LHR
-
MKE
2 stops31h 56m
Scandinavian Airlines
Mon 9/312:27
MKE
-
LHR
2 stops15h 53m
Scandinavian Airlines
Deal found 18/1£632
Thu 5/311:45
LHR
-
MKE
2 stops14h 36m
Delta
Wed 18/312:27
MKE
-
LHR
1 stop13h 23m
Delta
Deal found 20/1£673
Thu 5/313:00
LHR
-
MKE
1 stop13h 21m
Virgin Atlantic
Thu 12/312:27
MKE
-
LHR
1 stop14h 23m
Virgin Atlantic
Deal found 19/1£692
Thu 5/309:00
LHR
-
MKE
2 stops19h 14m
United Airlines
Thu 12/306:00
MKE
-
LHR
1 stop20h 55m
United Airlines
Deal found 19/1£697
Fri 6/306:35
LHR
-
MKE
2 stops17h 08m
United Airlines
Mon 9/314:54
MKE
-
LHR
1 stop10h 01m
United Airlines
Deal found 18/1£701
Sun 15/209:40
LHR
-
MKE
1 stop14h 31m
Virgin Atlantic
Sun 22/217:03
MKE
-
LHR
1 stop9h 42m
Virgin Atlantic
Deal found 20/1£703
Fri 6/307:30
LHR
-
MKE
2 stops16h 13m
United Airlines
Fri 13/317:51
MKE
-
LHR
1 stop12h 14m
United Airlines
Deal found 20/1£703

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 21 January 2026.

Round-trip from

£588

One-way from

£494

Popular in

July

Cheapest in

March

Average price

£825
Scandinavian Airlines
  • Scandinavian Airlines
  • 15/2-22/2
  • 4 total stops
  • 54h 19m total
  • London to Milwaukee
Search Deals
20/4
  • 20/4
  • 3 total stops
  • 34h 24m total
  • London to Milwaukee
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£73 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 21 January 2026.
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

Sun 15/2

18:40-22:39

2 stops33h 59m

Milwaukee-Mitchell

Sun 22/2

07:00-09:20

2 stops20h 20m

£588

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 5/3

06:40-20:36

2 stops19h 56m

Milwaukee-Mitchell

Wed 18/3

07:00-09:20

2 stops21h 20m

£610

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 6/3

18:40-20:36

2 stops31h 56m

Milwaukee-Mitchell

Mon 9/3

12:27-09:20

2 stops15h 53m

£632

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 5/3

11:45-20:21

2 stops14h 36m

Milwaukee-Mitchell

Wed 18/3

12:27-06:50

1 stop13h 23m

£673

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 5/3

09:00-22:14

2 stops19h 14m

Milwaukee-Mitchell

Thu 12/3

06:00-07:55

1 stop20h 55m

£697

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 6/3

06:35-17:43

2 stops17h 08m

Milwaukee-Mitchell

Mon 9/3

14:54-05:55

1 stop10h 01m

£701

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Sun 15/2

09:40-18:11

1 stop14h 31m

Milwaukee-Mitchell

Sun 22/2

17:03-08:45

1 stop9h 42m

£703

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Fri 6/3

07:30-17:43

2 stops16h 13m

Milwaukee-Mitchell

Fri 13/3

17:51-11:05

1 stop12h 14m

£703

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Thu 5/3

13:25-22:43

2 stops15h 18m

Milwaukee-Mitchell

Thu 12/3

11:30-07:10

2 stops14h 40m

£723

LondonMilwaukee

LHR - MKE

LHRMKE

London Heathrow

Mon 20/4

09:50-14:14

3 stops34h 24m

£494

Flights are sorted by cheapest return flights first.

Deals found on 19/1

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

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Milwaukee (average of £353). Flying from London Heathrow Airport to Milwaukee in July is currently the most expensive (average of £500). 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.

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 21 January 2026.
Read reviews from past customers who have flown with Finnair, Virgin Atlantic, andUnited Airlines 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.
Finnair
7.6
Good
1,353 reviews
Check prices

Crew

8.2

Comfort

7.5

Food

6.7

Boarding

7.7

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,353 reviews
Finnair
7.6
Good
1,353 reviews
Check prices

Crew

8.2

Comfort

7.5

Food

6.7

Boarding

7.7

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Virgin Atlantic
7.5
Good
678 reviews
Finnair
7.6
Good
1,353 reviews
Check prices

Crew

8.2

Comfort

7.5

Food

6.7

Boarding

7.7

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,188 reviews
Finnair
7.6
Good
1,353 reviews
Check prices

Crew

8.2

Comfort

7.5

Food

6.7

Boarding

7.7

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
JetBlue
7.2
Good
2,890 reviews
Finnair
7.6
Good
1,353 reviews
Check prices

Crew

8.2

Comfort

7.5

Food

6.7

Boarding

7.7

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,690 reviews
Finnair
7.6
Good
1,353 reviews
Check prices

Crew

8.2

Comfort

7.5

Food

6.7

Boarding

7.7

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

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. 5 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 36m. 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 £463, 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 Finnair and United Airlines - these airlines can fly you to your destination from £512 and £649, respectively. JetBlue is priced at 38% 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Milwaukee (average of £353). Flying from London Heathrow Airport to Milwaukee in July is currently the most expensive (average of £500). 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 5 airlines flying from Heathrow to Milwaukee

Discover the top 5 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 January 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£463Average£558FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£512Average£619FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£649Average£730FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£679Average£814FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£739Average£831FlexibilityNo 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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