How long is the flight from Milwaukee to London Heathrow Airport?

Airlines like United Airlines, Delta, and Virgin Atlantic fly from Milwaukee to London Heathrow Airport in about 10h 28m. The time it takes to get you to your destination can typically vary by up to 4h 50m. Airlines will cover a distance of 3894 mi. Both multi-stop and direct flights can be found to your destination and back.

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.

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).

What is the cheapest time of day to fly from MKE to LHR?

When flying from Milwaukee to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

£254+ Cheap Flights from Milwaukee to London Heathrow Airport

Cheap flight deals from Milwaukee to Heathrow

Enter your travel dates to find the best prices.

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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 30 October 2026.

Tue 1/1205:20 -

1 stop19h 05m

Tue 8/1211:45 -

2 stops14h 37m

Deal found 27/10£692

Wed 2/1209:32 -

2 stops15h 18m

Wed 9/1210:00 -

2 stops16h 22m

Deal found 28/10£695

Sun 29/1106:30 -

1 stop18h 35m

Tue 15/1206:20 -

2 stops16h 16m

Deal found 28/10£697

Sun 29/1109:35 -

1 stop16h 10m

Wed 9/1212:40 -

1 stop14h 17m

Deal found 27/10£714

Sat 28/1118:45 -

1 stop31h 00m

Tue 8/1211:20 -

1 stop12h 42m

Deal found 27/10£718

Tue 3/1108:00 -

1 stop18h 35m

Tue 10/1108:40 -

2 stops15h 25m

Deal found 29/10£729

Thu 26/1116:05 -

1 stop10h 55m

Thu 3/1208:40 -

2 stops15h 22m

Deal found 27/10£729

Thu 3/1209:32 -

2 stops16h 18m

Thu 10/1208:40 -

2 stops17h 42m

Deal found 27/10£733

Mon 30/1113:16 -

1 stop12h 29m

Mon 7/1206:20 -

2 stops16h 16m

Deal found 27/10£735

Sun 6/1207:35 -

1 stop20h 20m

Sun 13/1208:55 -

2 stops17h 33m

Deal found 25/10£735

Find flight deals from Milwaukee to Heathrow

Round-trip from	£605
One-way from	£254
Popular in	December
Cheapest in	January
Average price	£716

United Airlines
1/3-3/3
3 total stops
29h 27m total
Milwaukee to London

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Delta
22/3-31/12
2 total stops
12h 30m total
Milwaukee to London

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Highest demand for flights based on searches. 1% potential increase in price (£9 potential increase over avg. return price).

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Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).

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Average for round-trip flights in October 2026

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Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

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MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 29/3

17:00-11:00

2 stops12h 00m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£254

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Sun 28/3

17:50-13:05

1 stop13h 15m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£254

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 22/3

15:55-09:00

1 stop12h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£254

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Tue 30/3

17:50-13:05

1 stop13h 15m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£254

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Sat 27/3

10:45-05:30

3 stops37h 45m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£272

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Tue 30/3

07:00-06:30

3 stops17h 30m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£278

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Tue 5/1

09:59-07:20

2 stops15h 21m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£391

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Fri 11/12

12:53-07:50

1 stop12h 57m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£428

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Fri 11/12

09:32-06:50

2 stops15h 18m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£432

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 1/3

10:41-07:55

1 stop15h 14m

London Heathrow

Wed 3/3

06:50-15:03

2 stops14h 13m

£609

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 16 resultsSorted by cheapest first

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.

MKE-LHR

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

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 £494). Flying from Milwaukee to London Heathrow Airport in December is currently the most expensive (average of £1,082). 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.

Related info for your journey

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.
How long is the flight from Milwaukee to London Heathrow Airport?
Airlines like United Airlines, Delta, and Virgin Atlantic fly from Milwaukee to London Heathrow Airport in about 10h 28m. The time it takes to get you to your destination can typically vary by up to 4h 50m. Airlines will cover a distance of 3894 mi. Both multi-stop and direct flights can be found to your destination and back.
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 £494). Flying from Milwaukee to London Heathrow Airport in December is currently the most expensive (average of £1,082). 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.

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Cheap flights from Milwaukee to London Heathrow Airport from £254

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Milwaukee to Heathrow

Cheapest flights from Milwaukee to HeathrowExplore 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 30 October 2026.

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 30 October 2026.

Best flights from Milwaukee to HeathrowDiscover carefully curated flight deals from Milwaukee to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Milwaukee to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Milwaukee to HeathrowDiscover last-minute flight deals from Milwaukee to Heathrow. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Milwaukee to Heathrow. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Milwaukee to HeathrowSearch for one-way flight options from Milwaukee to Heathrow. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Search for one-way flight options from Milwaukee to Heathrow. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

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

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.

Cheapflights Insights

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

Related info for your journey

What airport do you fly from for flights from Milwaukee to London Heathrow?

How long is the flight from Milwaukee to London Heathrow Airport?

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

How can I find direct flights from Milwaukee to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

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Alternative routes for Milwaukee to Heathrow

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Can Cheapflights notify me if prices for flights from Milwaukee to Heathrow become cheaper?

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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 30 October 2026.

Best flights from Milwaukee to Heathrow
Discover carefully curated flight deals from Milwaukee to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Milwaukee to Heathrow
Discover last-minute flight deals from Milwaukee to Heathrow. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Milwaukee to Heathrow
Search for one-way flight options from Milwaukee to Heathrow. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.