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Cheap flights from Milwaukee to London from $399

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 4/15. 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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Find the cheapest flights from Milwaukee to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
2:46 pm - 6:55 am
MKE
-
LHR
10h 09m
1 stop
British Airways Logo
6:45 pm - 5:54 pm
LHR
-
MKE
29h 09m
2 stops
$582British Airways
Mon, Feb 2 - Mon, Feb 16
British Airways Logo
2:46 pm - 6:55 am
MKE
-
LHR
10h 09m
1 stop
British Airways Logo
11:00 am - 6:25 pm
LHR
-
MKE
13h 25m
1 stop
$593British Airways
Tue, Feb 3 - Tue, Feb 10
British Airways Logo
2:46 pm - 11:35 am
MKE
-
LHR
14h 49m
1 stop
British Airways Logo
11:00 am - 5:54 pm
LHR
-
MKE
12h 54m
1 stop
$594British Airways
Wed, Feb 11 - Wed, Feb 18
British Airways Logo
6:58 pm - 8:15 am
MKE
-
LHR
31h 17m
1 stop
British Airways Logo
6:45 pm - 7:59 pm
LHR
-
MKE
31h 14m
2 stops
$599British Airways
Sat, Jan 31 - Wed, Feb 11
British Airways Logo
4:50 pm - 7:45 pm
MKE
-
LHR
20h 55m
2 stops
British Airways Logo
4:35 pm - 6:25 pm
LHR
-
MKE
31h 50m
2 stops
$600British Airways
Sun, Apr 19 - Tue, Apr 28
Delta Logo
2:55 pm - 11:40 am
MKE
-
LHR
14h 45m
1 stop
Delta Logo
11:30 am - 8:54 pm
LHR
-
MKE
15h 24m
2 stops
$601Delta
Tue, Feb 3 - Tue, Feb 10
Delta Logo
1:18 pm - 8:45 am
MKE
-
LHR
13h 27m
1 stop
Delta Logo
6:20 am - 4:08 pm
LHR
-
MKE
15h 48m
2 stops
$602Delta
Wed, Feb 11 - Wed, Feb 18
Delta Logo
12:11 pm - 7:50 am
MKE
-
LHR
14h 39m
1 stop
Delta Logo
6:30 am - 8:06 pm
LHR
-
MKE
18h 36m
2 stops
$603Delta
Mon, Mar 16 - Tue, Mar 24
Air France Logo
10:10 am - 7:50 am
MKE
-
LHR
15h 40m
1 stop
Air France Logo
6:20 am - 7:55 pm
LHR
-
MKE
19h 35m
2 stops
$604Air France
Sun, Mar 1 - Sun, Mar 8
British Airways Logo
6:58 pm - 11:35 am
MKE
-
LHR
10h 37m
1 stop
British Airways Logo
2:10 pm - 7:59 pm
LHR
-
MKE
11h 49m
1 stop
$605British Airways
Tue, Feb 10 - Tue, Feb 17

Virgin Atlantic flights from Milwaukee to London Heathrow Airport

Our best Virgin Atlantic deals on Milwaukee to London Heathrow Airport flight tickets
Virgin Atlantic
Mar 18
MKE1:12 pmMilwaukee-Mitchell
13h 38m
2 stops
LHR7:50 amLondon Heathrow
Mar 25
LHR9:40 amLondon Heathrow
14h 00m
1 stop
MKE6:40 pmMilwaukee-Mitchell
$613
Virgin Atlantic
Feb 1
MKE1:18 pmMilwaukee-Mitchell
14h 57m
2 stops
LHR10:15 amLondon Heathrow
Mar 7
LHR8:55 amLondon Heathrow
17h 01m
1 stop
MKE7:56 pmMilwaukee-Mitchell
$663
Virgin Atlantic
Feb 6
MKE10:13 amMilwaukee-Mitchell
14h 12m
1 stop
LHR6:25 amLondon Heathrow
Feb 14
LHR11:05 amLondon Heathrow
16h 29m
1 stop
MKE9:34 pmMilwaukee-Mitchell
$672

United Airlines flights from Milwaukee to London Heathrow Airport

Our best United Airlines deals on Milwaukee to London Heathrow Airport flight tickets
United Airlines
Jan 26
MKE10:30 amMilwaukee-Mitchell
15h 25m
1 stop
LHR7:55 amLondon Heathrow
Feb 2
LHR4:40 pmLondon Heathrow
32h 13m
2 stops
MKE6:53 pmMilwaukee-Mitchell
$640
United Airlines
Jan 16
MKE3:20 pmMilwaukee-Mitchell
10h 35m
1 stop
LHR7:55 amLondon Heathrow
Jan 20
LHR11:10 amLondon Heathrow
16h 49m
2 stops
MKE9:59 pmMilwaukee-Mitchell
$689
United Airlines
Feb 22
MKE2:40 pmMilwaukee-Mitchell
11h 15m
1 stop
LHR7:55 amLondon Heathrow
Feb 28
LHR4:40 pmLondon Heathrow
35h 04m
2 stops
MKE9:44 pmMilwaukee-Mitchell
$691

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 January 15, 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

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 2/2

2:46 pm-6:55 am

1 stop10h 09m

London Heathrow

Mon 2/16

6:45 pm-5:54 pm

2 stops29h 09m

$582

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 2/3

2:46 pm-6:55 am

1 stop10h 09m

London Heathrow

Tue 2/10

11:00 am-6:25 pm

1 stop13h 25m

$593

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 2/11

2:46 pm-11:35 am

1 stop14h 49m

London Heathrow

Wed 2/18

11:00 am-5:54 pm

1 stop12h 54m

$594

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sat 1/31

6:58 pm-8:15 am

1 stop31h 17m

London Heathrow

Wed 2/11

6:45 pm-7:59 pm

2 stops31h 14m

$599

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 4/19

4:50 pm-7:45 pm

2 stops20h 55m

London Heathrow

Tue 4/28

4:35 pm-6:25 pm

2 stops31h 50m

$600

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 2/3

2:55 pm-11:40 am

1 stop14h 45m

London Heathrow

Tue 2/10

11:30 am-8:54 pm

2 stops15h 24m

$601

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 2/11

1:18 pm-8:45 am

1 stop13h 27m

London Heathrow

Wed 2/18

6:20 am-4:08 pm

2 stops15h 48m

$602

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 3/16

12:11 pm-7:50 am

1 stop14h 39m

London Heathrow

Tue 3/24

6:30 am-8:06 pm

2 stops18h 36m

$603

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 3/1

10:10 am-7:50 am

1 stop15h 40m

London Heathrow

Sun 3/8

6:20 am-7:55 pm

2 stops19h 35m

$604

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 2/10

6:58 pm-11:35 am

1 stop10h 37m

London Heathrow

Tue 2/17

2:10 pm-7:59 pm

1 stop11h 49m

$605

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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 $687. 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.

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 $889 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 $716 on momondo.

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

You could potentially save up to 66% 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 15m

Direct flights

None
The fastest flight from Milwaukee to London Heathrow Airport takes 10h 15m
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 15m.

  • 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
678 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $691Free CancellationRating
6.7
7,676 reviews
Search British Airways flights
American AirlinesPriceFrom $699Free CancellationRating
7.2
11,129 reviews
Search American Airlines flights
United AirlinesPriceFrom $708Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights
DeltaPriceFrom $744Free CancellationRating
7.9
8,048 reviews
Search Delta flights

Traveling to a place near London?

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

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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