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Cheap flights from Milwaukee to London from $407

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 12/29. 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.
Delta Logo
9:40 am - 8:45 amMKE-LHR
17h 05m1 stop
Delta Logo
8:55 am - 9:26 pmLHR-MKE
18h 31m2 stops
$592Delta
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Wed, Dec 3 - Fri, Dec 12
KLM Logo
5:11 pm - 11:40 amMKE-LHR
12h 29m1 stop
KLM Logo
8:55 am - 4:13 pmLHR-MKE
13h 18m1 stop
$599KLM
Find Deal
Wed, Dec 3 - Fri, Dec 12
Delta Logo
5:11 pm - 8:45 amMKE-LHR
9h 34m1 stop
Delta Logo
6:20 am - 4:16 pmLHR-MKE
15h 56m2 stops
$600Delta
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Sun, Feb 1 - Wed, Feb 11
Scandinavian Airlines Logo
7:02 am - 5:40 pmMKE-LHR
28h 38m2 stops
Scandinavian Airlines Logo
6:40 am - 8:48 pmLHR-MKE
20h 08m2 stops
$601Scandinavian Airlines
Find Deal
Sun, Feb 1 - Wed, Feb 11
Virgin Atlantic Logo
11:29 am - 6:50 amMKE-LHR
13h 21m2 stops
Virgin Atlantic Logo
9:40 am - 8:30 pmLHR-MKE
16h 50m2 stops
$604Virgin Atlantic
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Wed, Dec 3 - Fri, Dec 12
United Airlines Logo
5:00 am - 5:55 amMKE-LHR
19h 55m1 stop
United Airlines Logo
7:25 am - 4:35 pmLHR-MKE
15h 10m2 stops
$636United Airlines
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Mon, Mar 23 - Tue, Mar 31
United Airlines Logo
1:25 pm - 5:55 amMKE-LHR
11h 30m1 stop
United Airlines Logo
7:25 am - 4:35 pmLHR-MKE
15h 10m2 stops
$652United Airlines
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Tue, Mar 24 - Wed, Apr 1
British Airways Logo
3:13 pm - 9:05 amMKE-LHR
11h 52m1 stop
British Airways Logo
1:10 pm - 7:31 pmLHR-MKE
12h 21m1 stop
$681British Airways
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Tue, Apr 7 - Tue, May 12
Virgin Atlantic Logo
11:49 am - 7:50 amMKE-LHR
14h 01m1 stop
Virgin Atlantic Logo
8:40 am - 8:30 pmLHR-MKE
17h 50m2 stops
$693Virgin Atlantic
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Thu, Nov 13 - Mon, Nov 17
American Airlines Logo
3:13 pm - 10:30 amMKE-LHR
13h 17m1 stop
American Airlines Logo
11:10 am - 5:29 pmLHR-MKE
12h 19m1 stop
$732American Airlines
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Sun, Apr 26 - Sun, May 3

Delta flights from Milwaukee to London Heathrow Airport

Our best Delta deals on Milwaukee to London Heathrow Airport flight tickets
Delta
Nov 4
MKE2:04 pmMilwaukee-Mitchell
15h 36m
1 stop
LHR11:40 amLondon Heathrow
Nov 12
LHR6:20 amLondon Heathrow
19h 47m
2 stops
MKE8:07 pmMilwaukee-Mitchell
$591
Find similar
Delta
Dec 3
MKE9:40 amMilwaukee-Mitchell
17h 05m
1 stop
LHR8:45 amLondon Heathrow
Dec 12
LHR8:55 amLondon Heathrow
18h 31m
2 stops
MKE9:26 pmMilwaukee-Mitchell
$592
Find similar
Delta
Nov 4
MKE9:39 amMilwaukee-Mitchell
16h 11m
2 stops
LHR7:50 amLondon Heathrow
Nov 12
LHR8:55 amLondon Heathrow
17h 12m
2 stops
MKE8:07 pmMilwaukee-Mitchell
$596
Find similar

KLM flights from Milwaukee to London Heathrow Airport

Our best KLM deals on Milwaukee to London Heathrow Airport flight tickets
KLM
Dec 3
MKE5:11 pmMilwaukee-Mitchell
12h 29m
1 stop
LHR11:40 amLondon Heathrow
Dec 12
LHR8:55 amLondon Heathrow
13h 18m
1 stop
MKE4:13 pmMilwaukee-Mitchell
$599
Find similar
KLM
Feb 1
MKE1:18 pmMilwaukee-Mitchell
12h 22m
2 stops
LHR7:40 amLondon Heathrow
Feb 12
LHR11:05 amLondon Heathrow
11h 41m
1 stop
MKE4:46 pmMilwaukee-Mitchell
$639
Find similar
KLM
Nov 27
MKE1:00 pmMilwaukee-Mitchell
12h 05m
1 stop
LHR7:05 amLondon Heathrow
Dec 4
LHR12:30 pmLondon Heathrow
13h 49m
1 stop
MKE8:19 pmMilwaukee-Mitchell
$649
Find similar

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 October 30, 2025.
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

Wed 12/3

9:40 am-8:45 am

1 stop17h 05m

London Heathrow

Fri 12/12

8:55 am-9:26 pm

2 stops18h 31m

$592

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 12/3

5:11 pm-11:40 am

1 stop12h 29m

London Heathrow

Fri 12/12

8:55 am-4:13 pm

1 stop13h 18m

$599

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 2/1

5:11 pm-8:45 am

1 stop9h 34m

London Heathrow

Wed 2/11

6:20 am-4:16 pm

2 stops15h 56m

$600

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 2/1

7:02 am-5:40 pm

2 stops28h 38m

London Heathrow

Wed 2/11

6:40 am-8:48 pm

2 stops20h 08m

$601

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 12/3

11:29 am-6:50 am

2 stops13h 21m

London Heathrow

Fri 12/12

9:40 am-8:30 pm

2 stops16h 50m

$604

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 3/23

5:00 am-5:55 am

1 stop19h 55m

London Heathrow

Tue 3/31

7:25 am-4:35 pm

2 stops15h 10m

$636

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 3/24

1:25 pm-5:55 am

1 stop11h 30m

London Heathrow

Wed 4/1

7:25 am-4:35 pm

2 stops15h 10m

$652

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/7

3:13 pm-9:05 am

1 stop11h 52m

London Heathrow

Tue 5/12

1:10 pm-7:31 pm

1 stop12h 21m

$681

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 11/13

11:49 am-7:50 am

1 stop14h 01m

London Heathrow

Mon 11/17

8:40 am-8:30 pm

2 stops17h 50m

$693

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 4/26

3:13 pm-10:30 am

1 stop13h 17m

London Heathrow

Sun 5/3

11:10 am-5:29 pm

1 stop12h 19m

$732

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 cheapest month to fly to London Heathrow Airport?

The month of November is, on average, the cheapest month to fly to London Heathrow Airport from Milwaukee, with most prices found around $728. If you’re not able to fly to London Heathrow Airport in November, then October is your next best option. Flight prices from Milwaukee to London Heathrow Airport during October average around $749.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Sunday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $807. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,077.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Milwaukee to London Heathrow Airport in the evening for as low as $761. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $901.

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 $933 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 $704 on momondo.

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

You could potentially save up to 29% 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

Direct flights

None
There are no direct flights from Milwaukee to London Heathrow Airport. There are no popular flight routes from Milwaukee to London Heathrow Airport.
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  • 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 9h 34m.

  • 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
Virgin AtlanticPriceFrom $632Free CancellationRating
7.5
670 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $693Free CancellationRating
6.7
7,487 reviews
Search British Airways flights
American AirlinesPriceFrom $699Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights
DeltaPriceFrom $749Free CancellationRating
7.9
7,993 reviews
Search Delta flights
United AirlinesPriceFrom $757Free CancellationRating
7.4
8,998 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
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Stratford-upon-Avon
Brentwood
Salisbury
Chelmsford
Folkestone
Romford
Ilford
Swindon
Cobham
Wembley

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

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.
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