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Cheap flights from Milwaukee to London Heathrow Airport from £336

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
2 Apr — 9 Apr1
1 adult

Cheap flight deals from Milwaukee to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to Heathrow (LHR). 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 March 2025.

Round-trip from

£547

One-way from

£336

Popular in

June

Cheapest in

October

Average price

£650
Scandinavian Airlines
  • Scandinavian Airlines
  • 28/4-9/5
  • 4 total stops
  • 50h 31m total
  • Milwaukee to London
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8/4
  • 8/4
  • 2 total stops
  • 19h 41m total
  • Milwaukee to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£97 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Find flight deals from Milwaukee to Heathrow

Cheapest flights from Milwaukee to Heathrow
Explore the most affordable flight options available from Milwaukee to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.

Mon 28/407:00MKE - LHR
2 stops20h 35mScandinavian Airlines
Fri 9/519:50LHR - MKE
2 stops29h 56mScandinavian Airlines
Deal found 28/3£547
Mon 28/410:20MKE - LHR
1 stop16h 00mUnited Airlines
Fri 9/514:05LHR - MKE
2 stops29h 42mUnited Airlines
Deal found 27/3£587
Wed 15/1013:05MKE - LHR
1 stop13h 50mDelta
Fri 24/1009:55LHR - MKE
2 stops15h 50mDelta
Deal found 27/3£594
Wed 15/1011:53MKE - LHR
1 stop12h 47mMultiple Airlines
Fri 24/1013:25LHR - MKE
1 stop12h 33mMultiple Airlines
Deal found 27/3£597
Thu 17/412:38MKE - LHR
1 stop12h 07mKLM
Fri 9/511:45LHR - MKE
1 stop12h 09mKLM
Deal found 27/3£643
Sun 11/508:20MKE - LHR
2 stops19h 40mAir Canada
Sun 18/514:05LHR - MKE
2 stops31h 05mAir Canada
Deal found 27/3£653
Sun 11/518:23MKE - LHR
1 stop10h 07mBritish Airways
Sun 18/512:15LHR - MKE
1 stop11h 21mBritish Airways
Deal found 27/3£669
Wed 13/811:37MKE - LHR
2 stops17h 33mAer Lingus
Sat 23/808:50LHR - MKE
2 stops16h 47mAer Lingus
Deal found 26/3£675
Thu 25/1211:23MKE - LHR
1 stop14h 27mVirgin Atlantic
Tue 30/1212:10LHR - MKE
1 stop17h 43mVirgin Atlantic
Deal found 27/3£753
Sat 23/817:40MKE - LHR
2 stops20h 00mLufthansa
Fri 29/819:30LHR - MKE
2 stops27h 26mLufthansa
Deal found 27/3£776
Sun 13/713:05MKE - LHR
2 stops13h 45mAir France
Wed 23/706:15LHR - MKE
2 stops19h 30mAir France
Deal found 28/3£905

Cheapflights Fare Finder

Customise your flight search to find flights from Milwaukee to Heathrow 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 March 2025.
Use the filters below to find and compare flights from Milwaukee to London Heathrow Airport that are best for you.

Fly from

Milwaukee

Fly to

Heathrow

Route

Depart

Return

Price

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 28/4

07:00-09:35

2 stops20h 35m

London Heathrow

Fri 9/5

19:50-19:46

2 stops29h 56m

£547

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 28/4

10:20-08:20

1 stop16h 00m

London Heathrow

Fri 9/5

14:05-13:47

2 stops29h 42m

£587

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 28/4

13:48-06:50

1 stop11h 02m

London Heathrow

Fri 9/5

11:05-17:36

1 stop12h 31m

£597

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 2/5

15:52-11:10

1 stop13h 18m

London Heathrow

Tue 13/5

08:40-17:54

2 stops15h 14m

£632

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 17/4

12:38-06:45

1 stop12h 07m

London Heathrow

Fri 9/5

11:45-17:54

1 stop12h 09m

£643

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 11/5

08:20-10:00

2 stops19h 40m

London Heathrow

Sun 18/5

14:05-15:10

2 stops31h 05m

£653

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 11/5

18:23-10:30

1 stop10h 07m

London Heathrow

Sun 18/5

12:15-17:36

1 stop11h 21m

£669

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 13/8

11:37-11:10

2 stops17h 33m

London Heathrow

Sat 23/8

08:50-19:37

2 stops16h 47m

£675

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sat 23/8

17:40-19:40

2 stops20h 00m

London Heathrow

Fri 29/8

19:30-16:56

2 stops27h 26m

£776

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 11/4

14:53-08:55

2 stops12h 02m

London Heathrow

Fri 18/4

09:20-17:40

1 stop14h 20m

£788

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 22 results
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2
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Best time to book a flight from Milwaukee to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Milwaukee 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 Milwaukee to London Heathrow Airport

How far ahead should I book a flight from Milwaukee to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Milwaukee to Heathrow. Price data was last updated on 21 March 2025.

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from Milwaukee to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of £112). Flying from Milwaukee to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 28 March 2025.
Read through reviews of airlines operating flights from Milwaukee to London, such as Delta, KLM and Air France. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,896 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,896 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
634 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to Heathrow. 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 from for flights from Milwaukee to London Heathrow?

    Located just 6.4 mi from the city center, Milwaukee-Mitchell is the airport most travelers will use when flying to London Heathrow from Milwaukee. Booking flights from Milwaukee-Mitchell (MKE) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

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

    Flying on Scandinavian Airlines is currently your cheapest option to London Heathrow Airport, with prices starting at £547. Additional return tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at £587 and £632, respectively. Scandinavian Airlines is currently priced 24% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Milwaukee to London Heathrow Airport one-way?

    The cheapet airlines for a one-way flight from Milwaukee to London Heathrow Airport are JetBlue (£360), WestJet (£405), and Air Canada (£406).

  • Can I find deals for flights from Milwaukee to Heathrow that include hotel bookings?

    Yes. In addition to deals on Milwaukee to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Milwaukee to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Milwaukee to Heathrow.

  • Can I find deals for business class flights from Milwaukee to Heathrow?

    Yes. Cheapflights offers flight deals from Milwaukee to Heathrow 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 Milwaukee to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of £112). Flying from Milwaukee to London Heathrow Airport in August is currently the most expensive (average of £164). 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

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