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

Airlines like Scandinavian Airlines fly from Milwaukee to London Heathrow Airport in about 20h 35m. The time it takes to get you to your destination can typically vary by up to . There are 3894 mi between Milwaukee and London Heathrow Airport.

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

British Airways, at $693, was found to be the cheapest airline from Milwaukee to London Heathrow Airport.Alternate airlines to your destination round-trip include American Airlines and Virgin Atlantic. These flights start at 24% lower than the current average price 3 months from now.

What is the cheapest day to fly from Milwaukee to London Heathrow Airport?

Travelers seeking maximum savings on their Milwaukee to London Heathrow Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What are the most popular airlines that fly from Milwaukee to London Heathrow Airport?

American Airlines, British Airways and Delta are the most popular airlines when flying from Milwaukee to London Heathrow Airport.

What is the cheapest day to fly round-trip from Milwaukee to London Heathrow Airport?

Saturday is generally a great day to depart. Flying on this day could help you save up to 33%.

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

Travelers have found it’s best to book a flight 27 days in advance to save up to 49% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 27 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Milwaukee to London Heathrow Airport 1-2 weeks in advance for as low as $687, or $998 for flights within the next 24 hours.

What is the cheapest month to fly from Milwaukee to London Heathrow Airport?

Our data shows that September tends to be the cheapest month to fly to London Heathrow Airport from Milwaukee. Users have commonly found prices around $926 for the month, but tickets can be as low as $689. Due to multiple factors, prepare for potentially higher prices in December.

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

Milwaukee-Mitchell (MKE), located 6.4 mi from the city center, is the airport you fly out of when you book flights from Milwaukee to London Heathrow. 5 airlines have flights from Milwaukee-Mitchell to London Heathrow on a regular basis. Booking flights from Milwaukee-Mitchell to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

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 vacation 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.

$355+ Cheap Flights from Milwaukee to London Heathrow Airport

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Cheapflights Tip: The best prices from Milwaukee-Mitchell to London Heathrow are usually found in November or May, booked 72 days in advance, depart on a Sunday or Tuesday and return on a Monday

Cheap flight deals from Milwaukee to Heathrow

Round-trip from	$677 (FlightHub)
One-way from	$355 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$875

From Milwaukee-Mitchell to London Heathrow

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One-way flight from Milwaukee-Mitchell to London Heathrow

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Highest demand for flights based on searches. 14% potential increase in price ($160 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).

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Average for round-trip flights in August 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 agosto 18, 2025.

vie. 10/177:00 amMKE - LHR

2 stops20h 35mScandinavian Airlines

mié. 10/227:05 amLHR - MKE

2 stops19h 02mScandinavian Airlines

Deal found 8/16

$677

vie. 10/177:00 amMKE - LHR

2 stops20h 35mScandinavian Airlines

lun. 10/207:50 pmLHR - MKE

2 stops30h 17mScandinavian Airlines

Deal found 8/16

$689

vie. 10/247:00 amMKE - LHR

2 stops24h 35mScandinavian Airlines

lun. 11/106:40 amLHR - MKE

2 stops19h 27mScandinavian Airlines

Deal found 8/18

$708

mar. 9/302:59 pmMKE - LHR

1 stop14h 11mVirgin Atlantic

mar. 10/712:45 pmLHR - MKE

1 stop12h 31mVirgin Atlantic

Deal found 8/16

$726

vie. 10/174:29 pmMKE - LHR

1 stop32h 01mJetBlue

mié. 10/228:25 amLHR - MKE

1 stop13h 08mJetBlue

Deal found 8/16

$728

lun. 12/17:03 pmMKE - LHR

1 stop10h 32mBritish Airways

mié. 12/106:15 amLHR - MKE

2 stops21h 03mBritish Airways

Deal found 8/18

$730

dom. 10/54:46 pmMKE - LHR

1 stop12h 24mVirgin Atlantic

mar. 10/2111:45 amLHR - MKE

1 stop12h 10mVirgin Atlantic

Deal found 8/17

$732

mar. 11/41:40 pmMKE - LHR

1 stop11h 15mBritish Airways

mar. 11/1112:35 pmLHR - MKE

1 stop11h 21mBritish Airways

Deal found 8/16

$744

Best flights from Milwaukee to Heathrow
Discover carefully curated flight deals from Milwaukee to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated agosto 18, 2025.

vie. 10/177:00 amMKE - LHR

2 stops20h 35mScandinavian Airlines

mié. 10/227:05 amLHR - MKE

2 stops19h 02mScandinavian Airlines

Deal found 8/16

$677

mar. 9/302:59 pmMKE - LHR

1 stop14h 11mVirgin Atlantic

mar. 10/712:45 pmLHR - MKE

1 stop12h 31mVirgin Atlantic

Deal found 8/16

$726

vie. 10/174:29 pmMKE - LHR

1 stop32h 01mJetBlue

mié. 10/228:25 amLHR - MKE

1 stop13h 08mJetBlue

Deal found 8/16

$728

vie. 10/177:00 amMKE - LHR

2 stops20h 35mScandinavian Airlines

lun. 10/207:50 pmLHR - MKE

2 stops30h 17mScandinavian Airlines

Deal found 8/16

$689

vie. 10/247:00 amMKE - LHR

2 stops24h 35mScandinavian Airlines

lun. 11/106:40 amLHR - MKE

2 stops19h 27mScandinavian Airlines

Deal found 8/16

$708

Last-minute flights from Milwaukee to Heathrow
Discover last-minute flight deals from Milwaukee to Heathrow. Data last updated agosto 18, 2025 and is based on user searches.

sáb. 8/305:38 pmMKE - LHR

1 stop30h 52mJetBlue

sáb. 9/68:25 amLHR - MKE

1 stop13h 18mJetBlue

Deal found 8/17

$787

lun. 9/14:03 pmMKE - LHR

1 stop32h 27mJetBlue

lun. 9/88:25 amLHR - MKE

1 stop13h 18mJetBlue

Deal found 8/17

$768

mar. 9/24:03 pmMKE - LHR

1 stop32h 27mJetBlue

lun. 9/88:25 amLHR - MKE

1 stop13h 18mJetBlue

Deal found 8/17

$760

mié. 9/107:20 amMKE - LHR

1 stop17h 05mDelta

vie. 9/199:00 amLHR - MKE

2 stops16h 08mDelta

Deal found 8/17

$753

mié. 9/105:30 pmMKE - LHR

1 stop13h 40mMultiple Airlines

vie. 9/199:20 amLHR - MKE

1 stop14h 17mMultiple Airlines

Deal found 8/17

$761

lun. 9/152:27 pmMKE - LHR

1 stop15h 48mBritish Airways

lun. 9/226:45 pmLHR - MKE

2 stops31h 15mBritish Airways

Deal found 8/16

$770

mar. 9/302:59 pmMKE - LHR

1 stop14h 11mVirgin Atlantic

mar. 10/712:45 pmLHR - MKE

1 stop12h 31mVirgin Atlantic

Deal found 8/16

$726

mar. 9/304:37 pmMKE - LHR

1 stop10h 28mBritish Airways

mar. 10/711:05 amLHR - MKE

1 stop16h 19mBritish Airways

Deal found 8/16

$746

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 agosto 18, 2025.

sáb. 10/112:47 pmMKE - LHR

3 stops44h 58mMultiple Airlines

Deal found 8/17

$355

sáb. 10/114:34 pmMKE - LHR

1 stop31h 56mJetBlue

Deal found 8/17

$366

dom. 10/262:55 pmMKE - LHR

1 stop11h 10mVirgin Atlantic

Deal found 8/18

$433

dom. 9/214:38 pmMKE - LHR

1 stop31h 52mJetBlue

Deal found 8/18

$447

mar. 9/166:27 amMKE - LHR

3 stops30h 23mMultiple Airlines

Deal found 8/17

$454

dom. 10/268:44 amMKE - LHR

2 stops17h 26mAir Canada

Deal found 8/17

$459

sáb. 10/1112:05 pmMKE - LHR

2 stops36h 25mUnited Airlines

Deal found 8/17

$463

dom. 9/218:30 amMKE - LHR

2 stops16h 00mAir Canada

Deal found 8/18

$464

mar. 9/168:30 amMKE - LHR

2 stops19h 05mAir Canada

Deal found 8/17

$500

mar. 9/1611:52 amMKE - LHR

1 stop12h 53mKLM

Deal found 8/17

$504

jue. 10/210:29 amMKE - LHR

1 stop21h 01mVirgin Atlantic

Deal found 8/18

$511

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

vie. 10/17

7:00 am-9:35 am

2 stops20h 35m

London Heathrow

mié. 10/22

7:05 am-8:07 pm

2 stops19h 02m

$677

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

vie. 10/17

7:00 am-9:35 am

2 stops20h 35m

London Heathrow

lun. 10/20

7:50 pm-8:07 pm

2 stops30h 17m

$689

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

vie. 10/24

7:00 am-1:35 pm

2 stops24h 35m

London Heathrow

lun. 11/10

6:40 am-8:07 pm

2 stops19h 27m

$708

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

mar. 9/30

2:59 pm-11:10 am

1 stop14h 11m

London Heathrow

mar. 10/7

12:45 pm-7:16 pm

1 stop12h 31m

$726

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

vie. 10/17

4:29 pm-6:30 am

1 stop32h 01m

London Heathrow

mié. 10/22

8:25 am-3:33 pm

1 stop13h 08m

$728

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

sáb. 10/11

2:47 pm-5:45 pm

3 stops44h 58m

$355

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

sáb. 10/11

4:34 pm-6:30 am

1 stop31h 56m

$366

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

dom. 10/26

2:55 pm-7:05 am

1 stop11h 10m

$433

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

dom. 9/21

4:38 pm-6:30 am

1 stop31h 52m

$447

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

mar. 9/16

6:27 am-6:50 pm

3 stops30h 23m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 13 results

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 round-trip 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?

The best time to book flights from Milwaukee to London Heathrow Airport is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of $661). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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.

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

Unlike in the afternoon, when flights are generally more expensive, you can save up to 16% on flights from Milwaukee to London Heathrow Airport by exploring options for tickets in the evening.

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with Delta, United Airlines, and Virgin Atlantic from Milwaukee to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,981 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,925 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

657 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

British Airways

6.7

Okay

7,277 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from Milwaukee to London Heathrow?
Milwaukee-Mitchell (MKE), located 6.4 mi from the city center, is the airport you fly out of when you book flights from Milwaukee to London Heathrow. 5 airlines have flights from Milwaukee-Mitchell to London Heathrow on a regular basis. Booking flights from Milwaukee-Mitchell to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.
How long is the flight from Milwaukee to London Heathrow Airport?
Airlines like Scandinavian Airlines fly from Milwaukee to London Heathrow Airport in about 20h 35m. The time it takes to get you to your destination can typically vary by up to . There are 3894 mi between Milwaukee and London Heathrow Airport.
What are the cheapest airlines flying from Milwaukee to London Heathrow Airport round-trip?
British Airways, at $693, was found to be the cheapest airline from Milwaukee to London Heathrow Airport.Alternate airlines to your destination round-trip include American Airlines and Virgin Atlantic. These flights start at 24% lower than the current average price 3 months from now.
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 vacation 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, November is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of $661). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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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Top 5 airlines flying from Milwaukee to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$693	Average$806	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$699	Average$830	FlexibilityNo cancel fee	On-time71%
Virgin Atlantic	Cheapest$703	Average$927	FlexibilityNo cancel fee	On-time72%
United Airlines	Cheapest$714	Average$994	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$749	Average$833	FlexibilityNo cancel fee	On-timeN/A

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$355+ Cheap flights from Milwaukee (MKE) to Heathrow (LHR)

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Milwaukee to Heathrow with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Milwaukee-Mitchell to London Heathrow are usually found in November or May, booked 72 days in advance, depart on a Sunday or Tuesday and return on a Monday

Cheap flight deals from Milwaukee to Heathrow

Round-trip from

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Popular in

Cheapest in

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Find 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 agosto 18, 2025.

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 agosto 18, 2025.

Cheapflights Fare Finder

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

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 round-trip flight from Milwaukee to Heathrow. Price data was last updated on August 8, 2025.

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

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

Find hourly flight availability from Milwaukee to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 18, 2025.

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with Delta, United Airlines, and Virgin Atlantic from Milwaukee to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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?

Traveling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Milwaukee to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Milwaukee to Heathrow

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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 agosto 18, 2025.