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Cheap flights from Milwaukee to London from $337

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 4/30. 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
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.
Iberia Logo
2:00 pm - 7:40 am
MKE
-
LHR
11h 40m
1 stop
Iberia Logo
6:15 am - 8:06 pm
LHR
-
MKE
19h 51m
2 stops
$671Iberia
Tue, Apr 14 - Tue, Apr 21
Iberia Logo
2:00 pm - 10:35 am
MKE
-
LHR
14h 35m
2 stops
Iberia Logo
6:15 am - 6:00 pm
LHR
-
MKE
17h 45m
2 stops
$679Iberia
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
4:47 pm - 12:15 pm
MKE
-
LHR
13h 28m
1 stop
British Airways Logo
2:45 pm - 10:00 pm
LHR
-
MKE
13h 15m
1 stop
$699British Airways
Wed, Apr 1 - Wed, Apr 8
Lufthansa Logo
7:00 pm - 6:40 pm
MKE
-
LHR
17h 40m
2 stops
Lufthansa Logo
10:50 am - 10:36 pm
LHR
-
MKE
17h 46m
2 stops
$700Lufthansa
Tue, Aug 18 - Tue, Aug 25
American Airlines Logo
6:37 pm - 12:50 pm
MKE
-
LHR
12h 13m
1 stop
American Airlines Logo
3:15 pm - 11:40 pm
LHR
-
MKE
14h 25m
1 stop
$704American Airlines
Sun, Mar 29 - Wed, Apr 8
Lufthansa Logo
7:41 pm - 4:40 pm
MKE
-
LHR
14h 59m
2 stops
Lufthansa Logo
1:30 pm - 10:30 pm
LHR
-
MKE
15h 00m
2 stops
$714Lufthansa
Tue, Apr 7 - Tue, Apr 14
United Airlines Logo
2:54 pm - 5:55 am
MKE
-
LHR
10h 01m
1 stop
United Airlines Logo
9:30 am - 10:10 am
LHR
-
MKE
30h 40m
2 stops
$717United Airlines
Tue, Mar 24 - Tue, Mar 31
Iberia Logo
2:00 pm - 7:40 am
MKE
-
LHR
11h 40m
1 stop
Iberia Logo
6:15 am - 8:06 pm
LHR
-
MKE
19h 51m
2 stops
$719Iberia
Tue, Apr 14 - Tue, Apr 21
Lufthansa Logo
7:41 pm - 5:05 pm
MKE
-
LHR
15h 24m
2 stops
Lufthansa Logo
7:30 pm - 4:47 pm
LHR
-
MKE
27h 17m
2 stops
$723Lufthansa
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
8:30 am - 11:45 am
MKE
-
LHR
21h 15m
1 stop
United Airlines Logo
7:25 am - 4:47 pm
LHR
-
MKE
15h 22m
2 stops
$724United Airlines
Wed, Apr 1 - Tue, Apr 7

Iberia flights from Milwaukee to London Heathrow Airport

Our best Iberia deals on Milwaukee to London Heathrow Airport flight tickets
Iberia
Apr 14
MKE2:00 pmMilwaukee-Mitchell
11h 40m
1 stop
LHR7:40 amLondon Heathrow
Apr 21
LHR6:15 amLondon Heathrow
19h 51m
2 stops
MKE8:06 pmMilwaukee-Mitchell
$671
Iberia
Apr 14
MKE2:00 pmMilwaukee-Mitchell
14h 35m
2 stops
LHR10:35 amLondon Heathrow
Apr 21
LHR6:15 amLondon Heathrow
17h 45m
2 stops
MKE6:00 pmMilwaukee-Mitchell
$679
Iberia
Apr 14
MKE2:00 pmMilwaukee-Mitchell
11h 40m
1 stop
LHR7:40 amLondon Heathrow
Apr 21
LHR6:15 amLondon Heathrow
19h 51m
2 stops
MKE8:06 pmMilwaukee-Mitchell
$719

Lufthansa flights from Milwaukee to London Heathrow Airport

Our best Lufthansa deals on Milwaukee to London Heathrow Airport flight tickets
Lufthansa
Aug 18
MKE7:00 pmMilwaukee-Mitchell
17h 40m
2 stops
LHR6:40 pmLondon Heathrow
Aug 25
LHR10:50 amLondon Heathrow
17h 46m
2 stops
MKE10:36 pmMilwaukee-Mitchell
$700
Lufthansa
Apr 7
MKE7:41 pmMilwaukee-Mitchell
14h 59m
2 stops
LHR4:40 pmLondon Heathrow
Apr 14
LHR1:30 pmLondon Heathrow
15h 00m
2 stops
MKE10:30 pmMilwaukee-Mitchell
$714
Lufthansa
Apr 14
MKE7:41 pmMilwaukee-Mitchell
15h 24m
2 stops
LHR5:05 pmLondon Heathrow
Apr 21
LHR7:30 pmLondon Heathrow
27h 17m
2 stops
MKE4:47 pmMilwaukee-Mitchell
$723

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 7, 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

Tue 4/14

2:00 pm-7:40 am

1 stop11h 40m

London Heathrow

Tue 4/21

6:15 am-8:06 pm

2 stops19h 51m

$671

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/14

2:00 pm-10:35 am

2 stops14h 35m

London Heathrow

Tue 4/21

6:15 am-6:00 pm

2 stops17h 45m

$679

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 4/1

4:47 pm-12:15 pm

1 stop13h 28m

London Heathrow

Wed 4/8

2:45 pm-10:00 pm

1 stop13h 15m

$699

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 8/18

7:00 pm-6:40 pm

2 stops17h 40m

London Heathrow

Tue 8/25

10:50 am-10:36 pm

2 stops17h 46m

$700
Quickest round-trip

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 3/29

6:37 pm-12:50 pm

1 stop12h 13m

London Heathrow

Wed 4/8

3:15 pm-11:40 pm

1 stop14h 25m

$704

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/7

7:41 pm-4:40 pm

2 stops14h 59m

London Heathrow

Tue 4/14

1:30 pm-10:30 pm

2 stops15h 00m

$714

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 3/24

2:54 pm-5:55 am

1 stop10h 01m

London Heathrow

Tue 3/31

9:30 am-10:10 am

2 stops30h 40m

$717

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/14

2:00 pm-7:40 am

1 stop11h 40m

London Heathrow

Tue 4/21

6:15 am-8:06 pm

2 stops19h 51m

$719

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/14

7:41 pm-5:05 pm

2 stops15h 24m

London Heathrow

Tue 4/21

7:30 pm-4:47 pm

2 stops27h 17m

$723

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 4/1

8:30 am-11:45 am

1 stop21h 15m

London Heathrow

Tue 4/7

7:25 am-4:47 pm

2 stops15h 22m

$724

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 36% 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

10h 33m

Direct flights

None
The fastest flight from Milwaukee to London Heathrow Airport takes 10h 33m
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 10h 33m.

  • 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
8,270 reviews
Search Delta flights
British AirwaysPriceFrom $624Free CancellationRating
6.7
7,778 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $632Free CancellationRating
7.5
680 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $663Free CancellationRating
7.1
11,395 reviews
Search American Airlines flights
United AirlinesPriceFrom $708Free CancellationRating
7.4
9,404 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
Slough
Crawley
Stratford-upon-Avon
Hayes
Wembley
Dartford
Croydon
Brentwood
Harrow
Watford
Guildford
Stansted
Cobham
Folkestone
Romford

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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