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

United Airlines, at $768, was found to be the cheapest airline from Milwaukee to London Heathrow Airport.Alternate airlines to your destination round-trip include Air Canada and Lufthansa. These flights start at 16% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Milwaukee to London Heathrow Airport one-way?

The cheapest airlines for a one-way flight from Milwaukee to London Heathrow Airport are United Airlines ($451), Delta ($479), and KLM ($539).

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.

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

American Airlines, JetBlue and British Airways 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 12 days in advance to save up to 1% 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 12 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 October tends to be the cheapest month to fly to London Heathrow Airport from Milwaukee. Users have commonly found prices around $938 for the month, but tickets can be as low as $611. Due to multiple factors, prepare for potentially higher prices in December.

Most accurate provider : When it comes to deals on Milwaukee-London Heathrow Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Milwaukee-London Heathrow Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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. 6 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.

$438+ Flights from Milwaukee to London Heathrow Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Milwaukee to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Cheap flight deals from Milwaukee to Heathrow

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$698 (Trip.com)
One-way from	$438 (Kiwi.com)
Popular in	June
Cheapest in	October
Average price	$801

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. 11% potential increase in price ($124 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 abril 17, 2025.

lun. 5/1212:22 pmMKE - LHR

2 stops25h 58mMultiple Airlines

mar. 5/201:05 pmLHR - MKE

2 stops28h 22mMultiple Airlines

Deal found 4/16

$698

lun. 9/221:05 pmMKE - LHR

2 stops16h 05mDelta

lun. 9/299:55 amLHR - MKE

2 stops15h 47mDelta

Deal found 4/15

$751

lun. 9/2212:05 pmMKE - LHR

1 stop14h 15mUnited Airlines

lun. 9/298:30 amLHR - MKE

1 stop12h 39mUnited Airlines

Deal found 4/15

$755

lun. 9/222:50 pmMKE - LHR

2 stops16h 25mBritish Airways

lun. 9/297:25 pmLHR - MKE

2 stops32h 02mBritish Airways

Deal found 4/16

$784

dom. 5/118:20 amMKE - LHR

2 stops16h 10mAir Canada

mié. 5/212:05 pmLHR - MKE

2 stops14h 10mAir Canada

Deal found 4/16

$785

lun. 9/111:15 amMKE - LHR

1 stop13h 30mKLM

mié. 9/1011:45 amLHR - MKE

1 stop12h 18mKLM

Deal found 4/17

$786

mar. 5/135:47 pmMKE - LHR

2 stops18h 38mLufthansa

jue. 5/2210:50 amLHR - MKE

2 stops17h 35mLufthansa

Deal found 4/16

$794

mar. 11/117:00 amMKE - LHR

3 stops20h 20mScandinavian Airlines

mar. 11/187:50 pmLHR - MKE

3 stops29h 52mScandinavian Airlines

Deal found 4/16

$831

mié. 7/95:43 pmMKE - LHR

1 stop12h 32mAmerican Airlines

dom. 7/1312:15 pmLHR - MKE

1 stop10h 58mAmerican Airlines

Deal found 4/15

$1,071

mié. 7/91:05 pmMKE - LHR

2 stops12h 10mVirgin Atlantic

dom. 7/139:40 amLHR - MKE

2 stops17h 20mVirgin Atlantic

Deal found 4/15

$1,075

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 abril 17, 2025.

lun. 5/1212:22 pmMKE - LHR

2 stops25h 58mMultiple Airlines

mar. 5/201:05 pmLHR - MKE

2 stops28h 22mMultiple Airlines

Deal found 4/16

$698

lun. 5/121:10 pmMKE - LHR

1 stop11h 10mUnited Airlines

jue. 5/228:40 amLHR - MKE

2 stops19h 45mUnited Airlines

Deal found 4/16

$768

dom. 5/118:20 amMKE - LHR

2 stops16h 10mAir Canada

mié. 5/212:05 pmLHR - MKE

2 stops14h 10mAir Canada

Deal found 4/16

$785

mar. 5/135:47 pmMKE - LHR

2 stops18h 38mLufthansa

jue. 5/2210:50 amLHR - MKE

2 stops17h 35mLufthansa

Deal found 4/16

$794

mié. 5/147:04 pmMKE - LHR

1 stop12h 06mDelta

dom. 5/186:30 amLHR - MKE

2 stops17h 39mDelta

Deal found 4/16

$888

mié. 5/142:59 pmMKE - LHR

1 stop14h 11mKLM

dom. 5/189:20 amLHR - MKE

1 stop14h 18mKLM

Deal found 4/16

$901

sáb. 5/176:23 pmMKE - LHR

1 stop30h 57mBritish Airways

mar. 5/279:15 amLHR - MKE

1 stop10h 47mBritish Airways

Deal found 4/16

$906

lun. 4/287:00 amMKE - LHR

2 stops29h 30mScandinavian Airlines

vie. 5/97:50 pmLHR - MKE

2 stops29h 56mScandinavian Airlines

Deal found 4/16

$907

vie. 5/166:23 pmMKE - LHR

1 stop10h 07mAmerican Airlines

sáb. 5/319:15 amLHR - MKE

1 stop10h 52mAmerican Airlines

Deal found 4/16

$997

mié. 7/91:05 pmMKE - LHR

2 stops12h 10mVirgin Atlantic

dom. 7/139:40 amLHR - MKE

2 stops17h 20mVirgin Atlantic

Deal found 4/15

$1,075

dom. 6/16:30 amMKE - LHR

2 stops19h 30mAer Lingus

vie. 6/68:50 amLHR - MKE

2 stops13h 53mAer Lingus

Deal found 4/16

$1,467

Last-minute flights from Milwaukee to Heathrow
Discover last-minute flight deals from Milwaukee to Heathrow. Data last updated abril 17, 2025 and is based on user searches.

sáb. 4/199:58 amMKE - LHR

2 stops17h 07mAer Lingus

lun. 4/219:10 pmLHR - MKE

2 stops26h 56mAer Lingus

Deal found 4/15

$1,350

lun. 4/287:00 amMKE - LHR

2 stops29h 30mScandinavian Airlines

vie. 5/97:50 pmLHR - MKE

2 stops29h 56mScandinavian Airlines

Deal found 4/16

$907

lun. 5/1212:22 pmMKE - LHR

2 stops25h 58mMultiple Airlines

mar. 5/201:05 pmLHR - MKE

2 stops28h 22mMultiple Airlines

Deal found 4/16

$698

lun. 5/121:10 pmMKE - LHR

1 stop11h 10mUnited Airlines

jue. 5/228:40 amLHR - MKE

2 stops19h 45mUnited Airlines

Deal found 4/16

$768

mar. 5/135:47 pmMKE - LHR

2 stops18h 38mLufthansa

jue. 5/2210:50 amLHR - MKE

2 stops17h 35mLufthansa

Deal found 4/16

$794

mié. 5/147:04 pmMKE - LHR

1 stop12h 06mDelta

dom. 5/186:30 amLHR - MKE

2 stops17h 39mDelta

Deal found 4/16

$888

mié. 5/142:59 pmMKE - LHR

1 stop14h 11mKLM

dom. 5/189:20 amLHR - MKE

1 stop14h 18mKLM

Deal found 4/16

$901

sáb. 5/1711:25 amMKE - LHR

2 stops16h 35mAir Canada

lun. 5/269:30 amLHR - MKE

2 stops30h 52mAir Canada

Deal found 4/15

$818

sáb. 5/176:23 pmMKE - LHR

1 stop30h 57mBritish Airways

mar. 5/279:15 amLHR - MKE

1 stop10h 47mBritish Airways

Deal found 4/16

$906

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 abril 17, 2025.

lun. 5/199:15 amMKE - LHR

2 stops20h 40mMultiple Airlines

Deal found 4/15

$438

mar. 5/1310:15 amMKE - LHR

1 stop16h 05mUnited Airlines

Deal found 4/15

$451

mié. 5/1412:38 pmMKE - LHR

1 stop18h 52mDelta

Deal found 4/15

$479

vie. 5/166:33 pmMKE - LHR

1 stop12h 57mKLM

Deal found 4/15

$539

vie. 5/168:20 amMKE - LHR

3 stops16h 10mAir Canada

Deal found 4/15

$546

jue. 4/246:37 pmMKE - LHR

2 stops12h 48mAer Lingus

Deal found 4/17

$582

mar. 6/172:50 pmMKE - LHR

2 stops15h 40mBritish Airways

Deal found 4/17

$734

mar. 4/292:59 pmMKE - LHR

2 stops39h 06mWestJet

Deal found 4/16

$3,695

mar. 4/221:25 pmMKE - LHR

1 stop10h 55mLufthansa

Deal found 4/16

$7,222

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

lun. 5/12

12:22 pm-8:20 pm

2 stops25h 58m

London Heathrow

mar. 5/20

1:05 pm-11:27 am

2 stops28h 22m

$698

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

lun. 5/12

1:10 pm-6:20 am

1 stop11h 10m

London Heathrow

jue. 5/22

8:40 am-10:25 pm

2 stops19h 45m

$768

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

dom. 5/11

8:20 am-6:30 am

2 stops16h 10m

London Heathrow

mié. 5/21

2:05 pm-10:15 pm

2 stops14h 10m

$785

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

mar. 5/13

5:47 pm-6:25 pm

2 stops18h 38m

London Heathrow

jue. 5/22

10:50 am-10:25 pm

2 stops17h 35m

$794

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

mié. 5/14

7:04 pm-1:10 pm

1 stop12h 06m

London Heathrow

dom. 5/18

6:30 am-6:09 pm

2 stops17h 39m

$888

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

mié. 5/14

2:59 pm-11:10 am

1 stop14h 11m

London Heathrow

dom. 5/18

9:20 am-5:38 pm

1 stop14h 18m

$901

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

sáb. 5/17

6:23 pm-7:20 am

1 stop30h 57m

London Heathrow

mar. 5/27

9:15 am-2:02 pm

1 stop10h 47m

$906

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

lun. 4/28

7:00 am-6:30 pm

2 stops29h 30m

London Heathrow

vie. 5/9

7:50 pm-7:46 pm

2 stops29h 56m

$907

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

vie. 5/16

6:23 pm-10:30 am

1 stop10h 07m

London Heathrow

sáb. 5/31

9:15 am-2:07 pm

1 stop10h 52m

$997

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

mié. 7/9

1:05 pm-7:15 am

2 stops12h 10m

London Heathrow

dom. 7/13

9:40 am-9:00 pm

2 stops17h 20m

$1,075

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Milwaukee-London Heathrow Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 44 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 $1,110). 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.

Rainfall in Heathrow by month

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.

Temperature in Heathrow 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 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).

Reviews of airlines servicing Heathrow

Delta

8.0

Very good

7,917 reviews

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

7,917 reviews

Delta

8.0

Very good

7,917 reviews

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

1,329 reviews

Delta

8.0

Very good

7,917 reviews

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

8,667 reviews

Delta

8.0

Very good

7,917 reviews

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

7.4

Good

642 reviews

Delta

8.0

Very good

7,917 reviews

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.

Scandinavian Airlines

7.3

Good

1,335 reviews

Delta

8.0

Very good

7,917 reviews

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

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. 6 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.
What are the cheapest airlines flying from Milwaukee to London Heathrow Airport round-trip?
United Airlines, at $768, was found to be the cheapest airline from Milwaukee to London Heathrow Airport.Alternate airlines to your destination round-trip include Air Canada and Lufthansa. These flights start at 16% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Milwaukee to London Heathrow Airport one-way?
The cheapest airlines for a one-way flight from Milwaukee to London Heathrow Airport are United Airlines ($451), Delta ($479), and KLM ($539).
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 $1,110). 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

Hayes

Hounslow

Thornton Heath

Luton

Horley

Wembley

Canterbury

Harrow

Dover

Stratford-upon-Avon

Gatwick

Orpington

Watford

Northampton

Croydon

Borehamwood

Folkestone

Ilford

Broadway

Aylesbury

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Milwaukee to Heathrow

Other flights to Heathrow

John F Kennedy Intl to Heathrow flights

Newark to Heathrow flights

Boston to Heathrow flights

Orlando to Heathrow flights

O'Hare Intl to Heathrow flights

Los Angeles to Heathrow flights

London Heathrow Airport to Paris Orly Airport flights

London Heathrow Airport to Manchester flights

London Heathrow Airport to Edinburgh flights

London Heathrow Airport to Glasgow Intl Airport flights

London Heathrow Airport to Aberdeen flights

London Heathrow Airport to Geneva flights

London Heathrow Airport to Newcastle upon Tyne flights

London Heathrow Airport to Barcelona-El Prat Airport flights

London Heathrow Airport to Inverness flights

London Heathrow Airport to Milan Malpensa Airport flights

London Heathrow Airport to Paris Charles de Gaulle Airport flights

London Heathrow Airport to Amsterdam flights

London Heathrow Airport to Hamburg flights

London Heathrow Airport to Belfast City Airport flights

London Heathrow Airport to Brussels Bruxelles-National Airport flights

London Heathrow Airport to Duesseldorf Intl Airport flights

London Heathrow Airport to Nice flights

London Heathrow Airport to Berlin flights

Top 6 airlines flying from Milwaukee to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$566	Average$1,054	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$613	Average$799	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$613	Average$820	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$659	Average$906	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$695	Average$817	FlexibilityNo cancel fee	On-time70%
Virgin Atlantic	Cheapest$703	Average$924	FlexibilityNo cancel fee	On-time72%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$438+ 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 5/19. 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 October or February, booked 47 days in advance, depart on a Sunday or Tuesday and return on a Monday

Cheap flight deals from Milwaukee to Heathrow

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 abril 17, 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 abril 17, 2025.

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 April.

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 April 11, 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 abril 17, 2025.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

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?

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

What are the cheapest airlines to fly from Milwaukee to London Heathrow Airport one-way?

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 Milwaukee?

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 6 airlines flying from Milwaukee to Heathrow

100% Free

Book with Flexibility

Travel Smart

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 abril 17, 2025.