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Cheap flights from Milwaukee to London Heathrow Airport from £414

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
26 Feb — 5 Mar1
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 21 February 2025.

Round-trip from

£535

One-way from

£414

Popular in

June

Cheapest in

October

Average price

£626
British Airways
  • British Airways
  • 8/4-25/4
  • 3 total stops
  • 29h 42m total
  • Milwaukee to London
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British Airways
  • British Airways
  • 10/8
  • 1 total stop
  • 13h 28m total
  • Milwaukee to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£104 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 21 February 2025.

Tue 8/413:48MKE - LHR
1 stop11h 02mBritish Airways
Fri 25/410:20LHR - MKE
2 stops18h 40mBritish Airways
Deal found 20/2£535
Tue 25/311:25MKE - LHR
2 stops14h 45mAir Canada
Wed 2/414:05LHR - MKE
2 stops32h 37mAir Canada
Deal found 19/2£539
Mon 28/410:15MKE - LHR
1 stop16h 05mUnited Airlines
Fri 9/517:40LHR - MKE
2 stops24h 17mUnited Airlines
Deal found 20/2£543
Sun 23/314:51MKE - LHR
1 stop11h 14mDelta
Tue 1/406:30LHR - MKE
2 stops13h 33mDelta
Deal found 19/2£545
Tue 8/413:48MKE - LHR
1 stop11h 02mMultiple Airlines
Fri 25/411:05LHR - MKE
1 stop13h 01mMultiple Airlines
Deal found 20/2£549
Sun 30/307:00MKE - LHR
2 stops29h 50mScandinavian Airlines
Sun 6/421:05LHR - MKE
3 stops29h 16mScandinavian Airlines
Deal found 20/2£627
Sun 23/310:25MKE - LHR
1 stop20h 15mAir France
Sun 30/320:10LHR - MKE
1 stop29h 26mAir France
Deal found 20/2£640
Thu 2/1018:40MKE - LHR
1 stop12h 50mKLM
Mon 20/1011:45LHR - MKE
1 stop12h 12mKLM
Deal found 19/2£735
Sun 9/314:15MKE - LHR
1 stop12h 40mLufthansa
Sat 15/319:30LHR - MKE
2 stops31h 30mLufthansa
Deal found 20/2£755
Sun 13/711:45MKE - LHR
1 stop13h 40mAmerican Airlines
Mon 21/715:30LHR - MKE
1 stop11h 34mAmerican Airlines
Deal found 20/2£942

Find flights from Milwaukee to Heathrow within your budget

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 21 February 2025.

Fly from

Milwaukee

Fly to

Heathrow

Route

Depart

Return

Price

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 8/4

13:48-06:50

1 stop11h 02m

London Heathrow

Fri 25/4

10:20-23:00

2 stops18h 40m

£535

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 25/3

11:25-07:10

2 stops14h 45m

London Heathrow

Wed 2/4

14:05-16:42

2 stops32h 37m

£539

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 28/4

10:15-08:20

1 stop16h 05m

London Heathrow

Fri 9/5

17:40-11:57

2 stops24h 17m

£543

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 23/3

14:51-07:05

1 stop11h 14m

London Heathrow

Tue 1/4

06:30-14:03

2 stops13h 33m

£545

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 8/4

13:48-06:50

1 stop11h 02m

London Heathrow

Fri 25/4

11:05-18:06

1 stop13h 01m

£549

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 30/3

07:00-18:50

2 stops29h 50m

London Heathrow

Sun 6/4

21:05-20:21

3 stops29h 16m

£627

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 23/3

10:25-11:40

1 stop20h 15m

London Heathrow

Sun 30/3

20:10-19:36

1 stop29h 26m

£640

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 18/3

12:37-07:55

1 stop14h 18m

London Heathrow

Sun 23/3

10:10-19:36

1 stop14h 26m

£743

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 9/3

14:15-07:55

1 stop12h 40m

London Heathrow

Sat 15/3

19:30-22:00

2 stops31h 30m

£755

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 13/7

11:45-07:25

1 stop13h 40m

London Heathrow

Mon 21/7

15:30-21:04

1 stop11h 34m

£942

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 17 results
1
2

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.

Travel insights for flights from Milwaukee to Heathrow

Get recent, data-driven insights about flights from Milwaukee to Heathrow including ideal travel times, pricing trends, and more.

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 14 February 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 £163). 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 21 February 2025.
Read through reviews of airlines operating flights from Milwaukee to London, such as Delta, KLM and Virgin Atlantic. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,217 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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
8,217 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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
1,333 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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
7.5
Good
654 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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
1,449 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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
8,757 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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 British Airways is currently your cheapest option to London Heathrow Airport, with prices starting at £535. Additional return tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at £539 and £543, respectively. British Airways is currently priced 27% 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 British Airways (£414), United Airlines (£419), and Delta (£422).

  • 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 £163). 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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