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Cheap flights from Milwaukee to London from $477

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 1/3. 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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0 bags

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Cheap round-trip flights

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Delta Logo
2:57 pm - 7:05 amMKE-LHR
10h 08m1 stop
Delta Logo
6:20 am - 4:12 pmLHR-MKE
15h 52m2 stops
$598Delta
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Tue, Feb 24 - Tue, Mar 3
Scandinavian Airlines Logo
7:02 am - 4:00 pmMKE-LHR
26h 58m2 stops
Scandinavian Airlines Logo
6:40 am - 8:48 pmLHR-MKE
20h 08m2 stops
$599Scandinavian Airlines
Find Deal
Thu, Jan 22 - Wed, Jan 28
Scandinavian Airlines Logo
7:02 am - 2:35 pmMKE-LHR
25h 33m3 stops
Scandinavian Airlines Logo
6:40 am - 8:48 pmLHR-MKE
20h 08m2 stops
$602Scandinavian Airlines
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Fri, Jan 23 - Wed, Jan 28
KLM Logo
11:01 am - 7:05 amMKE-LHR
14h 04m1 stop
KLM Logo
8:55 am - 5:34 pmLHR-MKE
14h 39m1 stop
$605KLM
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Tue, Feb 24 - Tue, Mar 3
Scandinavian Airlines Logo
7:02 am - 5:40 pmMKE-LHR
28h 38m2 stops
Scandinavian Airlines Logo
9:05 pm - 8:48 pmLHR-MKE
29h 43m3 stops
$606Scandinavian Airlines
Find Deal
Thu, Jan 22 - Wed, Jan 28
Scandinavian Airlines Logo
7:02 am - 2:35 pmMKE-LHR
25h 33m3 stops
Scandinavian Airlines Logo
9:05 pm - 8:48 pmLHR-MKE
29h 43m3 stops
$609Scandinavian Airlines
Find Deal
Fri, Jan 23 - Wed, Jan 28
Scandinavian Airlines Logo
7:02 am - 9:20 amMKE-LHR
20h 18m2 stops
Scandinavian Airlines Logo
5:00 pm - 10:42 pmLHR-MKE
35h 42m2 stops
$611Scandinavian Airlines
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Fri, Jan 23 - Wed, Jan 28
Virgin Atlantic Logo
9:29 am - 8:45 amMKE-LHR
17h 16m1 stop
Virgin Atlantic Logo
6:30 am - 4:29 pmLHR-MKE
15h 59m2 stops
$619Virgin Atlantic
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Wed, Dec 31 - Thu, Jan 15
Delta Logo
11:41 am - 7:50 amMKE-LHR
14h 09m1 stop
Delta Logo
9:40 am - 9:26 pmLHR-MKE
17h 46m1 stop
$621Delta
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Thu, Dec 11 - Thu, Dec 18
Delta Logo
1:18 pm - 8:45 amMKE-LHR
13h 27m1 stop
Delta Logo
6:20 am - 4:16 pmLHR-MKE
15h 56m2 stops
$623Delta
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Thu, Jan 22 - Wed, Jan 28

KLM flights from Milwaukee to London Heathrow Airport

Our best KLM deals on Milwaukee to London Heathrow Airport flight tickets
KLM
Feb 24
MKE11:01 amMilwaukee-Mitchell
14h 04m
1 stop
LHR7:05 amLondon Heathrow
Mar 3
LHR8:55 amLondon Heathrow
14h 39m
1 stop
MKE5:34 pmMilwaukee-Mitchell
$605
Find similar
KLM
Jan 8
MKE1:18 pmMilwaukee-Mitchell
13h 27m
1 stop
LHR8:45 amLondon Heathrow
Jan 15
LHR3:50 pmLondon Heathrow
13h 40m
1 stop
MKE11:30 pmMilwaukee-Mitchell
$630
Find similar
KLM
Dec 7
MKE1:12 pmMilwaukee-Mitchell
13h 33m
1 stop
LHR8:45 amLondon Heathrow
Dec 14
LHR3:50 pmLondon Heathrow
14h 04m
1 stop
MKE11:54 pmMilwaukee-Mitchell
$646
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Air Canada flights from Milwaukee to London Heathrow Airport

Our best Air Canada deals on Milwaukee to London Heathrow Airport flight tickets
Air Canada
Nov 26
MKE10:53 amMilwaukee-Mitchell
16h 27m
3 stops
LHR9:20 amLondon Heathrow
Dec 3
LHR6:00 pmLondon Heathrow
25h 44m
3 stops
MKE1:44 pmMilwaukee-Mitchell
$673
Find similar
Air Canada
Mar 27
MKE7:00 amMilwaukee-Mitchell
18h 30m
2 stops
LHR6:30 amLondon Heathrow
Mar 31
LHR2:05 pmLondon Heathrow
28h 27m
2 stops
MKE12:32 pmMilwaukee-Mitchell
$724
Find similar
Air Canada
Nov 19
MKE12:04 pmMilwaukee-Mitchell
15h 16m
2 stops
LHR9:20 amLondon Heathrow
Nov 21
LHR1:25 pmLondon Heathrow
27h 59m
2 stops
MKE11:24 amMilwaukee-Mitchell
$2,023
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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 November 13, 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

Tue 2/24

2:57 pm-7:05 am

1 stop10h 08m

London Heathrow

Tue 3/3

6:20 am-4:12 pm

2 stops15h 52m

$598

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 1/22

7:02 am-4:00 pm

2 stops26h 58m

London Heathrow

Wed 1/28

6:40 am-8:48 pm

2 stops20h 08m

$599

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 1/23

7:02 am-2:35 pm

3 stops25h 33m

London Heathrow

Wed 1/28

6:40 am-8:48 pm

2 stops20h 08m

$602

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 2/24

11:01 am-7:05 am

1 stop14h 04m

London Heathrow

Tue 3/3

8:55 am-5:34 pm

1 stop14h 39m

$605

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 1/22

7:02 am-5:40 pm

2 stops28h 38m

London Heathrow

Wed 1/28

9:05 pm-8:48 pm

3 stops29h 43m

$606

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 1/23

7:02 am-2:35 pm

3 stops25h 33m

London Heathrow

Wed 1/28

9:05 pm-8:48 pm

3 stops29h 43m

$609

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 1/23

7:02 am-9:20 am

2 stops20h 18m

London Heathrow

Wed 1/28

5:00 pm-10:42 pm

2 stops35h 42m

$611

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 12/31

9:29 am-8:45 am

1 stop17h 16m

London Heathrow

Thu 1/15

6:30 am-4:29 pm

2 stops15h 59m

$619

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 12/11

11:41 am-7:50 am

1 stop14h 09m

London Heathrow

Thu 12/18

9:40 am-9:26 pm

1 stop17h 46m

$621

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 1/22

1:18 pm-8:45 am

1 stop13h 27m

London Heathrow

Wed 1/28

6:20 am-4:16 pm

2 stops15h 56m

$623

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 January is, on average, the cheapest month to fly to London Heathrow Airport from Milwaukee, with most prices found around $731. If you’re not able to fly to London Heathrow Airport in January, then November is your next best option. Flight prices from Milwaukee to London Heathrow Airport during November average around $736.

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 $917 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 13% 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 37m.

  • 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
673 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $693Free CancellationRating
6.7
7,516 reviews
Search British Airways flights
American AirlinesPriceFrom $699Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
DeltaPriceFrom $749Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $757Free CancellationRating
7.4
9,015 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
Stratford-upon-Avon
Crawley
Brentwood
Chelmsford
Salisbury
Wembley
Folkestone
Romford
Ilford
Cobham
Swindon

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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