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Cheap flights from Milwaukee to London from $342

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 7/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Milwaukee to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
7:00 pm - 7:40 pm
MKE
-
LHR
18h 40m
2 stops
Lufthansa Logo
9:00 am - 8:55 pm
LHR
-
MKE
17h 55m
2 stops
$785Lufthansa
Wed, Aug 19 - Wed, Aug 26
Lufthansa Logo
12:13 pm - 12:40 pm
MKE
-
LHR
18h 27m
2 stops
Lufthansa Logo
10:50 am - 10:30 pm
LHR
-
MKE
17h 40m
2 stops
$795Lufthansa
Tue, Apr 21 - Tue, Apr 28
Lufthansa Logo
7:41 pm - 6:40 pm
MKE
-
LHR
16h 59m
2 stops
Lufthansa Logo
1:30 pm - 10:30 pm
LHR
-
MKE
15h 00m
2 stops
$804Lufthansa
Wed, Apr 22 - Wed, Apr 29
Lufthansa Logo
7:41 pm - 6:40 pm
MKE
-
LHR
16h 59m
2 stops
Lufthansa Logo
8:30 am - 10:30 pm
LHR
-
MKE
20h 00m
2 stops
$805Lufthansa
Mon, Apr 6 - Wed, Apr 15
Scandinavian Airlines Logo
7:10 am - 9:40 pm
MKE
-
LHR
32h 30m
2 stops
Scandinavian Airlines Logo
7:05 am - 8:25 pm
LHR
-
MKE
19h 20m
2 stops
$812Scandinavian Airlines
Thu, Apr 16 - Thu, Apr 23
Scandinavian Airlines Logo
7:10 am - 5:40 pm
MKE
-
LHR
28h 30m
2 stops
Scandinavian Airlines Logo
7:05 am - 8:25 pm
LHR
-
MKE
19h 20m
2 stops
$815Scandinavian Airlines
Mon, Apr 13 - Fri, Apr 17
Lufthansa Logo
7:41 pm - 3:40 pm
MKE
-
LHR
13h 59m
2 stops
Lufthansa Logo
9:00 am - 8:48 pm
LHR
-
MKE
17h 48m
2 stops
$816Lufthansa
Tue, Apr 21 - Tue, Apr 28
Iberia Logo
1:53 pm - 10:30 am
MKE
-
LHR
14h 37m
1 stop
Iberia Logo
6:15 am - 5:07 pm
LHR
-
MKE
16h 52m
2 stops
$819Iberia
Wed, May 6 - Wed, May 13
Iberia Logo
6:40 pm - 12:15 pm
MKE
-
LHR
11h 35m
1 stop
Iberia Logo
8:00 pm - 5:11 pm
LHR
-
MKE
27h 11m
2 stops
$822Iberia
Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
9:37 am - 9:00 am
MKE
-
LHR
17h 23m
1 stop
United Airlines Logo
6:50 am - 2:27 pm
LHR
-
MKE
13h 37m
2 stops
$823United Airlines
Sun, May 3 - Tue, May 19

Iberia flights from Milwaukee to London Heathrow Airport

Our best Iberia deals on Milwaukee to London Heathrow Airport flight tickets
Iberia
May 6
MKE1:53 pmMilwaukee-Mitchell
14h 37m
1 stop
LHR10:30 amLondon Heathrow
May 13
LHR6:15 amLondon Heathrow
16h 52m
2 stops
MKE5:07 pmMilwaukee-Mitchell
$819
Iberia
Apr 21
MKE6:40 pmMilwaukee-Mitchell
11h 35m
1 stop
LHR12:15 pmLondon Heathrow
Apr 28
LHR8:00 pmLondon Heathrow
27h 11m
2 stops
MKE5:11 pmMilwaukee-Mitchell
$822
Iberia
Apr 18
MKE6:40 pmMilwaukee-Mitchell
31h 00m
1 stop
LHR7:40 amLondon Heathrow
Apr 25
LHR8:00 pmLondon Heathrow
30h 06m
2 stops
MKE8:06 pmMilwaukee-Mitchell
$885

Lufthansa flights from Milwaukee to London Heathrow Airport

Our best Lufthansa deals on Milwaukee to London Heathrow Airport flight tickets
Lufthansa
Aug 19
MKE7:00 pmMilwaukee-Mitchell
18h 40m
2 stops
LHR7:40 pmLondon Heathrow
Aug 26
LHR9:00 amLondon Heathrow
17h 55m
2 stops
MKE8:55 pmMilwaukee-Mitchell
$785
Lufthansa
Apr 21
MKE12:13 pmMilwaukee-Mitchell
16h 27m
2 stops
LHR10:40 amLondon Heathrow
Apr 28
LHR10:50 amLondon Heathrow
17h 40m
2 stops
MKE10:30 pmMilwaukee-Mitchell
$795
Lufthansa
Apr 22
MKE7:41 pmMilwaukee-Mitchell
16h 59m
2 stops
LHR6:40 pmLondon Heathrow
Apr 29
LHR1:30 pmLondon Heathrow
15h 00m
2 stops
MKE10:30 pmMilwaukee-Mitchell
$804

momondo Fare Finder

 
Customize your flight search to find flights from Milwaukee to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 24, 2026.
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 - LHR

MKELHR

Milwaukee-Mitchell

Wed 8/19

7:00 pm-7:40 pm

2 stops18h 40m

London Heathrow

Wed 8/26

9:00 am-8:55 pm

2 stops17h 55m

$785

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/21

12:13 pm-12:40 pm

2 stops18h 27m

London Heathrow

Tue 4/28

10:50 am-10:30 pm

2 stops17h 40m

$795

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 4/22

7:41 pm-6:40 pm

2 stops16h 59m

London Heathrow

Wed 4/29

1:30 pm-10:30 pm

2 stops15h 00m

$804

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 4/6

7:41 pm-6:40 pm

2 stops16h 59m

London Heathrow

Wed 4/15

8:30 am-10:30 pm

2 stops20h 00m

$805

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 4/16

7:10 am-9:40 pm

2 stops32h 30m

London Heathrow

Thu 4/23

7:05 am-8:25 pm

2 stops19h 20m

$812

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 4/13

7:10 am-5:40 pm

2 stops28h 30m

London Heathrow

Fri 4/17

7:05 am-8:25 pm

2 stops19h 20m

$815

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/21

7:41 pm-3:40 pm

2 stops13h 59m

London Heathrow

Tue 4/28

9:00 am-8:48 pm

2 stops17h 48m

$816

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 5/6

1:53 pm-10:30 am

1 stop14h 37m

London Heathrow

Wed 5/13

6:15 am-5:07 pm

2 stops16h 52m

$819

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/21

6:40 pm-12:15 pm

1 stop11h 35m

London Heathrow

Tue 4/28

8:00 pm-5:11 pm

2 stops27h 11m

$822
Quickest round-trip

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 5/3

9:37 am-9:00 am

1 stop17h 23m

London Heathrow

Tue 5/19

6:50 am-2:27 pm

2 stops13h 37m

$823

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

What is the typical price of a round-trip flight between Milwaukee and London Heathrow Airport?

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 $659. If you’re not able to fly to London Heathrow Airport in January, then April is your next best option. Flight prices from Milwaukee to London Heathrow Airport during April average around $698.

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

You are more likely to see cheaper flights to London Heathrow Airport from Milwaukee when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $856 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Milwaukee for as low as $663 on momondo.

Can stopping save me money on Milwaukee to London Heathrow Airport flights?

You could potentially save up to 53% on your flight if you consider stops on a Milwaukee to London Heathrow Airport flight.

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

Fastest flight time

12h 14m

Direct flights

None
The fastest flight from Milwaukee to London Heathrow Airport takes 12h 14m
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

  • 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 12h 14m.

  • 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?

  • 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?

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
DeltaPriceFrom $596Free CancellationRating
7.9
8,325 reviews
Search Delta flights
British AirwaysPriceFrom $603Free CancellationRating
6.7
7,817 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $629Free CancellationRating
7.5
685 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $663Free CancellationRating
7.1
11,491 reviews
Search American Airlines flights
United AirlinesPriceFrom $708Free CancellationRating
7.4
9,474 reviews
Search United Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Crawley
Slough
Stratford-upon-Avon
Wembley
Hayes
Croydon
Dartford
Brentwood
Guildford
Harrow
Cobham
Folkestone
Romford
Stansted
Watford

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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