What airlines fly to London Heathrow Airport?

British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to London Heathrow Airport from Milwaukee according to our data. British Airways is the first choice among our users, with 39% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 16 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Milwaukee-Mitchell to London Heathrow?

Aer Lingus, Virgin Atlantic, and Delta are the most popular carriers operating from Milwaukee-Mitchell to London Heathrow

When did momondo last update prices for flights from Milwaukee-Mitchell Airport to London Heathrow Airport?

Prices for flights from Milwaukee-Mitchell Airport to London Heathrow Airport refresh daily.

How many operators does momondo search for flights from Milwaukee-Mitchell Airport to London Heathrow Airport?

As of November 2026, there are 5 operators available to choose from for flights from Milwaukee-Mitchell Airport to London Heathrow Airport.

How old do you have to be to fly from Milwaukee-Mitchell Airport to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Milwaukee-Mitchell Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$339 Cheap Flights from Milwaukee to London Heathrow Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Milwaukee to London

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11:40 am - 7:10 amMKE Milwaukee-Mitchell-LHR London Heathrow

37h 30m2 stops Newark Montreal Pierre Elliott Trudeau Intl

6:35 am - 5:01 pmLHR London Heathrow-MKE Milwaukee-Mitchell

16h 26m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$813United Airlines

Sun, Feb 28 - Wed, Mar 3

6:42 pm - 7:10 amMKE Milwaukee-Mitchell-LHR London Heathrow

30h 28m2 stops Newark Montreal Pierre Elliott Trudeau Intl

6:50 am - 8:57 pmLHR London Heathrow-MKE Milwaukee-Mitchell

20h 07m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$816United Airlines

Sun, Feb 28 - Wed, Mar 3

12:20 pm - 11:40 amMKE Milwaukee-Mitchell-LHR London Heathrow

17h 20m1 stop Atlanta Hartsfield-Jackson

6:30 am - 4:45 pmLHR London Heathrow-MKE Milwaukee-Mitchell

16h 15m2 stops Amsterdam Schiphol Minneapolis St Paul

$899Delta

Mon, Mar 8 - Fri, Mar 12

7:00 am - 7:50 amMKE Milwaukee-Mitchell-LHR London Heathrow

18h 50m1 stop Atlanta Hartsfield-Jackson

8:40 am - 6:05 pmLHR London Heathrow-MKE Milwaukee-Mitchell

15h 25m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$899Delta

Wed, Feb 24 - Tue, Mar 2

9:50 am - 7:45 amMKE Milwaukee-Mitchell-LHR London Heathrow

15h 55m1 stop Detroit Metropolitan Wayne County

10:00 am - 8:10 pmLHR London Heathrow-MKE Milwaukee-Mitchell

16h 10m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$899Virgin Atlantic

Mon, Feb 22 - Fri, Feb 26

7:35 am - 9:20 amMKE Milwaukee-Mitchell-LHR London Heathrow

19h 45m2 stops Boston Logan Intl Kastrup Copenhagen

6:40 am - 10:20 pmLHR London Heathrow-MKE Milwaukee-Mitchell

21h 40m2 stops Kastrup Copenhagen Boston Logan Intl

$902Scandinavian Airlines

Tue, Jan 12 - Wed, Jan 20

1:22 pm - 10:30 amMKE Milwaukee-Mitchell-LHR London Heathrow

15h 08m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

11:45 am - 8:10 pmLHR London Heathrow-MKE Milwaukee-Mitchell

14h 25m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$903Virgin Atlantic

Wed, Feb 17 - Wed, Feb 24

7:40 am - 9:20 amMKE Milwaukee-Mitchell-LHR London Heathrow

19h 40m2 stops Boston Logan Intl Kastrup Copenhagen

7:30 pm - 10:20 pmLHR London Heathrow-MKE Milwaukee-Mitchell

32h 50m2 stops Kastrup Copenhagen Boston Logan Intl

$912Scandinavian Airlines

Thu, Feb 4 - Tue, Feb 9

12:40 pm - 12:00 pmMKE Milwaukee-Mitchell-LHR London Heathrow

17h 20m1 stop Chicago O'Hare Intl

7:25 pm - 8:06 pmLHR London Heathrow-MKE Milwaukee-Mitchell

30h 41m2 stops Barcelona-El Prat Chicago O'Hare Intl

$1,000British Airways

Sat, Apr 3 - Mon, Apr 19

12:40 pm - 12:00 pmMKE Milwaukee-Mitchell-LHR London Heathrow

17h 20m1 stop Chicago O'Hare Intl

7:25 pm - 8:06 pmLHR London Heathrow-MKE Milwaukee-Mitchell

30h 41m2 stops Barcelona-El Prat Chicago O'Hare Intl

$1,000British Airways

Sat, Apr 3 - Mon, Apr 19

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United Airlines flights from Milwaukee to London Heathrow Airport

Our best United Airlines deals on Milwaukee to London Heathrow Airport flight tickets

United Airlines

Feb 28

MKE11:40 amMilwaukee-Mitchell

37h 30m

2 stops

LHR7:10 amLondon Heathrow

Mar 3

LHR6:35 amLondon Heathrow

16h 26m

2 stops

MKE5:01 pmMilwaukee-Mitchell

$813

United Airlines

Feb 28

MKE6:42 pmMilwaukee-Mitchell

30h 28m

2 stops

LHR7:10 amLondon Heathrow

Mar 3

LHR6:50 amLondon Heathrow

20h 07m

2 stops

MKE8:57 pmMilwaukee-Mitchell

$816

United Airlines

Feb 18

MKE6:42 pmMilwaukee-Mitchell

30h 28m

2 stops

LHR7:10 amLondon Heathrow

Feb 21

LHR6:50 amLondon Heathrow

16h 11m

2 stops

MKE5:01 pmMilwaukee-Mitchell

$916

Virgin Atlantic flights from Milwaukee to London Heathrow Airport

Our best Virgin Atlantic deals on Milwaukee to London Heathrow Airport flight tickets

Virgin Atlantic

Dec 1

MKE1:12 pmMilwaukee-Mitchell

13h 48m

2 stops

LHR9:00 amLondon Heathrow

Dec 8

LHR11:45 amLondon Heathrow

14h 37m

2 stops

MKE8:22 pmMilwaukee-Mitchell

$928

Virgin Atlantic

Feb 22

MKE3:18 pmMilwaukee-Mitchell

14h 22m

1 stop

LHR11:40 amLondon Heathrow

Feb 26

LHR9:50 amLondon Heathrow

12h 49m

1 stop

MKE4:39 pmMilwaukee-Mitchell

$934

Virgin Atlantic

Jan 12

MKE3:26 pmMilwaukee-Mitchell

11h 34m

1 stop

LHR9:00 amLondon Heathrow

Jan 20

LHR11:20 amLondon Heathrow

14h 52m

1 stop

MKE8:12 pmMilwaukee-Mitchell

$972

momondo 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

Cheapest round-trip

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Sun 2/28

11:40 am-7:10 am

2 stops37h 30m

London Heathrow

Wed 3/3

6:35 am-5:01 pm

2 stops16h 26m

$813

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Sun 2/28

6:42 pm-7:10 am

2 stops30h 28m

London Heathrow

Wed 3/3

6:50 am-8:57 pm

2 stops20h 07m

$816

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 3/8

12:20 pm-11:40 am

1 stop17h 20m

London Heathrow

Fri 3/12

6:30 am-4:45 pm

2 stops16h 15m

$899

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Wed 2/24

7:00 am-7:50 am

1 stop18h 50m

London Heathrow

Tue 3/2

8:40 am-6:05 pm

2 stops15h 25m

$899

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 2/22

9:50 am-7:45 am

1 stop15h 55m

London Heathrow

Fri 2/26

10:00 am-8:10 pm

2 stops16h 10m

$899

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Tue 1/12

7:35 am-9:20 am

2 stops19h 45m

London Heathrow

Wed 1/20

6:40 am-10:20 pm

2 stops21h 40m

$902

Quickest round-trip

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Wed 2/17

1:22 pm-10:30 am

2 stops15h 08m

London Heathrow

Wed 2/24

11:45 am-8:10 pm

2 stops14h 25m

$903

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Thu 2/4

7:40 am-9:20 am

2 stops19h 40m

London Heathrow

Tue 2/9

7:30 pm-10:20 pm

2 stops32h 50m

$912

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Sat 4/3

12:40 pm-12:00 pm

1 stop17h 20m

London Heathrow

Mon 4/19

7:25 pm-8:06 pm

2 stops30h 41m

$1,000

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Sat 4/3

12:40 pm-12:00 pm

1 stop17h 20m

London Heathrow

Mon 4/19

7:25 pm-8:06 pm

2 stops30h 41m

$1,000

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Milwaukee to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

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

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Milwaukee, with most prices found around $717. If you’re not able to fly to London Heathrow Airport in January, then March is your next best option. Flight prices from Milwaukee to London Heathrow Airport during March average around $819.

When to book flights from Milwaukee to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Milwaukee to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Milwaukee to London Heathrow Airport (MKE to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Milwaukee to London Heathrow Airport

Best Price Found	$339
Fastest flight time	11h 55m
Direct flights	None

The best one-way flight to London Heathrow Airport from Milwaukee in the past 72 hours is $339. The best round-trip flight deal from Milwaukee to London Heathrow Airport found on momondo in the last 72 hours is $813.

The fastest flight from Milwaukee to London Heathrow Airport takes 11h 55m

There are no direct flights from Milwaukee to London Heathrow Airport. There are no popular flight routes from Milwaukee to London Heathrow Airport.

Search flight deals

Frequently asked questions about flying from Milwaukee to London Heathrow Airport

How far is Milwaukee-Mitchell to London Heathrow by plane?
London Heathrow is 3890.5 mi away from Milwaukee-Mitchell. By plane, this route typically takes 11h 55m.
When did momondo last update prices for flights from Milwaukee-Mitchell Airport to London Heathrow Airport?
Prices for flights from Milwaukee-Mitchell Airport to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Milwaukee-Mitchell Airport to London Heathrow Airport?
As of November 2026, there are 5 operators available to choose from for flights from Milwaukee-Mitchell Airport to London Heathrow Airport.
How old do you have to be to fly from Milwaukee-Mitchell Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Milwaukee-Mitchell Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Milwaukee to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Milwaukee to London Heathrow Airport is Delta (26% of total bookings). The next most popular airlines are American Airlines (24%), Virgin Atlantic (21%), and British Airways (15%).

Best airlines flying from Milwaukee to London Heathrow Airport

Compare and see reviews for airlines that fly from Milwaukee to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom $337	Free Cancellation	Rating 7.5 698 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $624	Free Cancellation	Rating 6.7 8,285 reviews	Search British Airways flights
Delta	PriceFrom $634	Free Cancellation	Rating 7.8 8,702 reviews	Search Delta flights
American Airlines	PriceFrom $663	Free Cancellation	Rating 7.0 12,233 reviews	Search American Airlines flights
United Airlines	PriceFrom $708	Free Cancellation	Rating 7.3 10,473 reviews	Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Milwaukee to London?

Finding the right flight to London from Milwaukee is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Milwaukee to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Milwaukee which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Milwaukee to London?

momondo provides multiple filters to help you find the best flight to London from Milwaukee. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Milwaukee to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Milwaukee to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London Heathrow Airport trip

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Flights to London Gatwick Airportfrom $445

Flights to London Stansted Airportfrom $495

Flights to London City Airportfrom $719

Flights to London Luton Airportfrom $385

Flights to Glasgow Intl Airportfrom $497

Flights to Belfast City Airportfrom $799

Flights to Belfast Intl Airportfrom $757

Flights to London Southend Airportfrom $628

Cheap flights from Milwaukee to London from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to London departing on 2/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Milwaukee to London Heathrow Airport

Our best United Airlines deals on Milwaukee to London Heathrow Airport flight tickets

Virgin Atlantic flights from Milwaukee to London Heathrow Airport

Our best Virgin Atlantic deals on Milwaukee to London Heathrow Airport flight tickets

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

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How to get the cheapest flight ticket from Milwaukee to London Heathrow Airport

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

What is the cheapest airline that flies from Milwaukee-Mitchell to London Heathrow?

What airlines fly to London Heathrow Airport?

When to book flights from Milwaukee to London Heathrow Airport

Cheap Milwaukee to London Heathrow Airport (MKE to LHR) flight deals and tips

Best Price Found

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Direct flights

Frequently asked questions about flying from Milwaukee to London Heathrow Airport

Best airlines flying from Milwaukee to London Heathrow Airport

Compare and see reviews for airlines that fly from Milwaukee to London Heathrow Airport with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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