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

Airlines like Lufthansa, Delta, and Virgin Atlantic fly from Milwaukee to London Heathrow Airport in about 17h 35m. The time it takes to get you to your destination can typically vary by up to 3h 35m. There are 3894 mi between Milwaukee and London Heathrow Airport. Both multi-stop and nonstop flights can be found to your destination and back.

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

Virgin Atlantic, at $632, was found to be the cheapest airline from Milwaukee to London Heathrow Airport.Alternate airlines to your destination round-trip include British Airways and American Airlines. These flights start at 32% lower than the current average price 3 months from now.

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?

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

Most accurate provider : When it comes to deals on Milwaukee-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Milwaukee-London Heathrow Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Milwaukee-London Heathrow Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Milwaukee-London Heathrow Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Milwaukee-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$325+ Flights from Milwaukee to London Heathrow Airport

Q: How much does it cost to fly round-trip from Milwaukee to London Heathrow Airport?

Airfare is below average for this route at the moment. Milwaukee to London Heathrow Airport flights typically cost between $734 and $1,743 in March. The cheapest round-trip price found within the last 3 days was $605 on Lufthansa (Mar 16-Mar 24).

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Milwaukee-Mitchell to London Heathrow are usually found in January or November, booked 47 days in advance, depart on a Sunday or Tuesday and return on a Monday

Cheap 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 December 18, 2025.

Wed 12/315:00 amMKE - LHR

2 stops20h 10mAir Canada

Thu 1/81:25 pmLHR - MKE

2 stops15h 31mAir Canada

Deal found 12/15

$730

Wed 12/313:48 pmMKE - LHR

1 stop13h 27mUnited Airlines

Thu 1/87:40 amLHR - MKE

1 stop14h 03mUnited Airlines

Deal found 12/15

$733

Wed 12/318:30 amMKE - LHR

3 stops16h 40mMultiple Airlines

Thu 1/81:25 pmLHR - MKE

2 stops15h 31mMultiple Airlines

Deal found 12/15

$916

Tue 12/165:53 pmMKE - LHR

2 stops30h 02mUnited Airlines

Wed 12/2411:10 amLHR - MKE

2 stops16h 01mUnited Airlines

Deal found 12/16

$1,213

Sun 12/215:50 pmMKE - LHR

1 stop11h 50mDelta

Mon 12/298:55 amLHR - MKE

1 stop17h 22mDelta

Deal found 12/17

$1,307

Sun 12/215:50 pmMKE - LHR

1 stop11h 50mKLM

Tue 12/2310:45 amLHR - MKE

1 stop15h 32mKLM

Deal found 12/17

$1,421

Sun 12/215:50 pmMKE - LHR

1 stop11h 50mVirgin Atlantic

Tue 12/239:00 amLHR - MKE

2 stops17h 35mVirgin Atlantic

Deal found 12/17

$1,434

Sun 12/215:42 pmMKE - LHR

1 stop11h 33mUnited Airlines

Mon 12/2910:25 amLHR - MKE

1 stop14h 28mUnited Airlines

Deal found 12/17

$1,527

Wed 12/317:08 amMKE - LHR

2 stops20h 12mAir Canada

Sun 1/46:00 pmLHR - MKE

2 stops29h 07mAir Canada

Deal found 12/15

$1,551

Tue 12/307:08 amMKE - LHR

2 stops18h 02mAir Canada

Sun 1/46:00 pmLHR - MKE

2 stops29h 07mAir Canada

Deal found 12/15

$1,555

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 December 18, 2025.

Tue 1/1311:30 amMKE - LHR

2 stops19h 30mLufthansa

Tue 1/206:35 amLHR - MKE

2 stops21h 24mLufthansa

Deal found 12/16

$613

Fri 2/67:05 amMKE - LHR

1 stop21h 10mDelta

Sat 2/148:40 amLHR - MKE

2 stops17h 41mDelta

Deal found 12/17

$629

Thu 1/157:15 amMKE - LHR

1 stop17h 35mVirgin Atlantic

Thu 1/228:40 amLHR - MKE

2 stops15h 37mVirgin Atlantic

Deal found 12/16

$629

Thu 1/157:00 amMKE - LHR

1 stop17h 25mDelta

Thu 1/228:40 amLHR - MKE

2 stops15h 37mDelta

Deal found 12/17

$629

Sat 1/316:15 amMKE - LHR

1 stop18h 50mVirgin Atlantic

Sat 2/711:15 amLHR - MKE

2 stops15h 39mVirgin Atlantic

Deal found 12/16

$629

Mon 3/165:51 pmMKE - LHR

1 stop12h 14mLufthansa

Tue 3/247:25 amLHR - MKE

1 stop16h 18mLufthansa

Deal found 12/15

$631

Thu 1/291:18 pmMKE - LHR

1 stop13h 27mDelta

Thu 2/56:30 amLHR - MKE

2 stops17h 44mDelta

Deal found 12/16

$629

Thu 1/2910:15 amMKE - LHR

1 stop15h 35mVirgin Atlantic

Thu 2/58:40 amLHR - MKE

2 stops15h 34mVirgin Atlantic

Deal found 12/15

$630

Thu 1/229:28 amMKE - LHR

1 stop17h 17mDelta

Wed 1/2811:45 amLHR - MKE

2 stops16h 57mDelta

Deal found 12/15

$630

Sun 2/81:18 pmMKE - LHR

1 stop13h 27mDelta

Tue 2/176:30 amLHR - MKE

2 stops17h 43mDelta

Deal found 12/15

$630

Fri 2/207:10 amMKE - LHR

1 stop17h 40mDelta

Mon 2/236:30 amLHR - MKE

2 stops15h 38mDelta

Deal found 12/15

$630

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

Thu 1/811:29 amMKE - LHR

1 stop14h 56mLufthansa

Fri 1/167:30 amLHR - MKE

2 stops20h 29mLufthansa

Deal found 12/15

$661

Thu 1/82:32 pmMKE - LHR

2 stops34h 38mMultiple Airlines

Fri 1/168:45 amLHR - MKE

2 stops40h 08mMultiple Airlines

Deal found 12/15

$682

Tue 1/1311:30 amMKE - LHR

2 stops19h 30mLufthansa

Tue 1/206:35 amLHR - MKE

2 stops21h 24mLufthansa

Deal found 12/16

$613

Thu 1/157:15 amMKE - LHR

1 stop17h 35mVirgin Atlantic

Thu 1/228:40 amLHR - MKE

2 stops15h 37mVirgin Atlantic

Deal found 12/16

$629

Thu 1/1511:30 amMKE - LHR

2 stops16h 15mLufthansa

Thu 1/2211:10 amLHR - MKE

2 stops16h 49mLufthansa

Deal found 12/16

$669

Thu 1/229:28 amMKE - LHR

1 stop17h 17mDelta

Wed 1/2811:45 amLHR - MKE

2 stops16h 57mDelta

Deal found 12/15

$630

Thu 1/226:29 pmMKE - LHR

1 stop11h 11mMultiple Airlines

Wed 1/2810:10 amLHR - MKE

1 stop16h 48mMultiple Airlines

Deal found 12/17

$657

Thu 1/227:15 amMKE - LHR

3 stops27h 10mScandinavian Airlines

Wed 1/286:40 amLHR - MKE

2 stops20h 18mScandinavian Airlines

Deal found 12/16

$710

Fri 1/305:39 pmMKE - LHR

1 stop11h 26mUnited Airlines

Fri 2/66:50 amLHR - MKE

2 stops19h 58mUnited Airlines

Deal found 12/16

$687

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 December 18, 2025.

Fri 1/3011:30 amMKE - LHR

1 stop17h 45mLufthansa

Deal found 12/16

$325

Wed 1/1411:29 amMKE - LHR

1 stop12h 51mLufthansa

Deal found 12/16

$329

Tue 4/1411:43 amMKE - LHR

1 stop13h 32mLufthansa

Deal found 12/15

$368

Fri 1/303:53 pmMKE - LHR

3 stops38h 57mMultiple Airlines

Deal found 12/16

$374

Sun 2/159:44 amMKE - LHR

2 stops15h 26mAir Canada

Deal found 12/15

$407

Wed 1/1411:30 amMKE - LHR

2 stops13h 10mUnited Airlines

Deal found 12/16

$408

Sun 2/229:44 amMKE - LHR

2 stops15h 26mAir Canada

Deal found 12/16

$411

Wed 1/1410:30 amMKE - LHR

3 stops16h 50mAir Canada

Deal found 12/16

$415

Sun 2/2212:14 pmMKE - LHR

1 stop14h 01mIberia

Deal found 12/16

$423

Find flight deals from Milwaukee to Heathrow

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$605 (Cheapflightsfares)
One-way from	$325 (Thrive Travel)
Popular in	December
Cheapest in	January
Average price	$1,630

Provider with most accurate pricing for Milwaukee-Mitchell-London Heathrow flight deals.

Search Deals

Provider most trusted by Cheapflights users for Milwaukee-Mitchell-London Heathrow flights.

Search Deals

From Milwaukee-Mitchell to London Heathrow

Search Deals

One-way flight from Milwaukee-Mitchell to London Heathrow

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($79 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($63 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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

Tue 1/13

11:30 am-1:00 pm

2 stops19h 30m

London Heathrow

Tue 1/20

6:35 am-9:59 pm

2 stops21h 24m

$613

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 2/6

7:05 am-10:15 am

1 stop21h 10m

London Heathrow

Sat 2/14

8:40 am-8:21 pm

2 stops17h 41m

$629

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 1/15

7:15 am-6:50 am

1 stop17h 35m

London Heathrow

Thu 1/22

8:40 am-6:17 pm

2 stops15h 37m

$629

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 1/15

7:00 am-6:25 am

1 stop17h 25m

London Heathrow

Thu 1/22

8:40 am-6:17 pm

2 stops15h 37m

$629

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sat 1/31

6:15 am-7:05 am

1 stop18h 50m

London Heathrow

Sat 2/7

11:15 am-8:54 pm

2 stops15h 39m

$629

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 1/29

1:18 pm-8:45 am

1 stop13h 27m

London Heathrow

Thu 2/5

6:30 am-6:14 pm

2 stops17h 44m

$629

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 1/29

10:15 am-7:50 am

1 stop15h 35m

London Heathrow

Thu 2/5

8:40 am-6:14 pm

2 stops15h 34m

$630

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 1/22

9:28 am-8:45 am

1 stop17h 17m

London Heathrow

Wed 1/28

11:45 am-10:42 pm

2 stops16h 57m

$630

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 2/8

1:18 pm-8:45 am

1 stop13h 27m

London Heathrow

Tue 2/17

6:30 am-6:13 pm

2 stops17h 43m

$630

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 2/20

7:10 am-6:50 am

1 stop17h 40m

London Heathrow

Mon 2/23

6:30 am-4:08 pm

2 stops15h 38m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 20 results

Compare providers for flights from Milwaukee to Heathrow

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Milwaukee to Heathrow in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Milwaukee-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Milwaukee-London Heathrow Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Milwaukee-London Heathrow Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Milwaukee-London Heathrow Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Milwaukee-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 46 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, May is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of $399). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of $909). 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 15% on flights from Milwaukee to London Heathrow Airport by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Milwaukee to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with Delta, Virgin Atlantic, and United Airlines 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

7.9

Good

8,006 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,006 reviews

Delta

7.9

Good

8,006 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Virgin Atlantic

7.5

Good

675 reviews

Delta

7.9

Good

8,006 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,091 reviews

Delta

7.9

Good

8,006 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,054 reviews

Delta

7.9

Good

8,006 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

British Airways

6.7

Okay

7,585 reviews

Delta

7.9

Good

8,006 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

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 Lufthansa, Delta, and Virgin Atlantic fly from Milwaukee to London Heathrow Airport in about 17h 35m. The time it takes to get you to your destination can typically vary by up to 3h 35m. There are 3894 mi between Milwaukee and London Heathrow Airport. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Milwaukee to London Heathrow Airport round-trip?
Virgin Atlantic, at $632, was found to be the cheapest airline from Milwaukee to London Heathrow Airport.Alternate airlines to your destination round-trip include British Airways and American Airlines. These flights start at 32% 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, May is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of $399). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of $909). 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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Top 5 airlines flying from Milwaukee to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	Cheapest$632	Average$877	FlexibilityNo cancel fee	On-time72%
British Airways	Cheapest$691	Average$798	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$699	Average$1,092	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$744	Average$839	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$757	Average$1,054	FlexibilityNo cancel fee	On-time69%

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$325+ 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 1/30. 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 January or November, booked 47 days in advance, depart on a Sunday or Tuesday and return on a Monday

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 December 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 December 18, 2025.

Find flight deals from Milwaukee to Heathrow

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from Milwaukee to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Milwaukee to Heathrow in December.

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?

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?

How much does it cost to fly round-trip from Milwaukee to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with Delta, Virgin Atlantic, and United Airlines 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 December 18, 2025.