Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Milwaukee to London from $356

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 3/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Milwaukee to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:30 am - 9:20 am
MKE
-
LHR
40h 50m
2 stops
Multiple Airlines Logo
7:40 am - 9:50 pm
LHR
-
MKE
19h 10m
2 stops
$633Multiple Airlines
Tue, Mar 10 - Wed, Mar 18
Lufthansa Logo
7:22 pm - 5:05 pm
MKE
-
LHR
15h 43m
2 stops
Lufthansa Logo
10:50 am - 10:15 pm
LHR
-
MKE
17h 25m
2 stops
$634Lufthansa
Sun, Mar 29 - Wed, Apr 8
Lufthansa Logo
7:22 pm - 6:25 pm
MKE
-
LHR
17h 03m
2 stops
Lufthansa Logo
10:50 am - 10:20 pm
LHR
-
MKE
17h 30m
2 stops
$635Lufthansa
Sun, Mar 29 - Wed, Apr 8
United Airlines Logo
3:30 pm - 11:15 am
MKE
-
LHR
13h 45m
1 stop
United Airlines Logo
6:50 am - 5:38 pm
LHR
-
MKE
15h 48m
2 stops
$641United Airlines
Mon, Mar 2 - Wed, Mar 11
United Airlines Logo
8:30 am - 5:55 am
MKE
-
LHR
15h 25m
1 stop
United Airlines Logo
9:00 am - 8:45 pm
LHR
-
MKE
16h 45m
2 stops
$642United Airlines
Wed, Mar 4 - Tue, Mar 10
Lufthansa Logo
7:22 pm - 5:05 pm
MKE
-
LHR
15h 43m
2 stops
Lufthansa Logo
6:30 am - 4:47 pm
LHR
-
MKE
16h 17m
2 stops
$645Lufthansa
Sun, Mar 29 - Tue, Apr 7
United Airlines Logo
3:30 pm - 10:50 am
MKE
-
LHR
13h 20m
2 stops
United Airlines Logo
6:50 am - 5:09 pm
LHR
-
MKE
15h 19m
2 stops
$646United Airlines
Mon, Mar 2 - Tue, Mar 24
Multiple Airlines Logo
7:00 am - 7:10 am
MKE
-
LHR
18h 10m
2 stops
Multiple Airlines Logo
1:50 pm - 9:50 pm
LHR
-
MKE
37h 00m
2 stops
$647Multiple Airlines
Mon, Mar 2 - Tue, Mar 24
Delta Logo
7:00 am - 6:45 am
MKE
-
LHR
17h 45m
1 stop
Delta Logo
6:30 am - 5:53 pm
LHR
-
MKE
17h 23m
2 stops
$649Delta
Sun, Mar 29 - Wed, Apr 8
United Airlines Logo
7:18 pm - 11:15 am
MKE
-
LHR
10h 57m
1 stop
United Airlines Logo
1:25 pm - 10:30 am
LHR
-
MKE
26h 05m
2 stops
$651United Airlines
Mon, Mar 16 - Tue, Mar 24

KLM flights from Milwaukee to London Heathrow Airport

Our best KLM deals on Milwaukee to London Heathrow Airport flight tickets
KLM
Mar 15
MKE3:55 pmMilwaukee-Mitchell
12h 05m
1 stop
LHR9:00 amLondon Heathrow
Mar 22
LHR8:55 amLondon Heathrow
16h 11m
1 stop
MKE8:06 pmMilwaukee-Mitchell
$652
KLM
Mar 31
MKE1:15 pmMilwaukee-Mitchell
11h 55m
1 stop
LHR7:10 amLondon Heathrow
Apr 7
LHR11:45 amLondon Heathrow
14h 21m
1 stop
MKE8:06 pmMilwaukee-Mitchell
$669
KLM
Mar 29
MKE3:55 pmMilwaukee-Mitchell
15h 20m
1 stop
LHR1:15 pmLondon Heathrow
Apr 7
LHR3:15 pmLondon Heathrow
14h 43m
1 stop
MKE11:58 pmMilwaukee-Mitchell
$678

Lufthansa flights from Milwaukee to London Heathrow Airport

Our best Lufthansa deals on Milwaukee to London Heathrow Airport flight tickets
Lufthansa
Mar 29
MKE7:22 pmMilwaukee-Mitchell
15h 43m
2 stops
LHR5:05 pmLondon Heathrow
Apr 8
LHR10:50 amLondon Heathrow
17h 25m
2 stops
MKE10:15 pmMilwaukee-Mitchell
$634
Lufthansa
Mar 29
MKE7:22 pmMilwaukee-Mitchell
17h 03m
2 stops
LHR6:25 pmLondon Heathrow
Apr 8
LHR10:50 amLondon Heathrow
17h 30m
2 stops
MKE10:20 pmMilwaukee-Mitchell
$635
Lufthansa
Mar 29
MKE7:22 pmMilwaukee-Mitchell
15h 43m
2 stops
LHR5:05 pmLondon Heathrow
Apr 7
LHR6:30 amLondon Heathrow
16h 17m
2 stops
MKE4:47 pmMilwaukee-Mitchell
$645

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 February 14, 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

Tue 3/10

11:30 am-9:20 am

2 stops40h 50m

London Heathrow

Wed 3/18

7:40 am-9:50 pm

2 stops19h 10m

$633

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 3/29

7:22 pm-5:05 pm

2 stops15h 43m

London Heathrow

Wed 4/8

10:50 am-10:15 pm

2 stops17h 25m

$634

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 3/29

7:22 pm-6:25 pm

2 stops17h 03m

London Heathrow

Wed 4/8

10:50 am-10:20 pm

2 stops17h 30m

$635

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 3/2

3:30 pm-11:15 am

1 stop13h 45m

London Heathrow

Wed 3/11

6:50 am-5:38 pm

2 stops15h 48m

$641

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 3/4

8:30 am-5:55 am

1 stop15h 25m

London Heathrow

Tue 3/10

9:00 am-8:45 pm

2 stops16h 45m

$642

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 3/29

7:22 pm-5:05 pm

2 stops15h 43m

London Heathrow

Tue 4/7

6:30 am-4:47 pm

2 stops16h 17m

$645

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 3/2

3:30 pm-10:50 am

2 stops13h 20m

London Heathrow

Tue 3/24

6:50 am-5:09 pm

2 stops15h 19m

$646

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 3/2

7:00 am-7:10 am

2 stops18h 10m

London Heathrow

Tue 3/24

1:50 pm-9:50 pm

2 stops37h 00m

$647

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 3/29

7:00 am-6:45 am

1 stop17h 45m

London Heathrow

Wed 4/8

6:30 am-5:53 pm

2 stops17h 23m

$649

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 3/16

7:18 pm-11:15 am

1 stop10h 57m

London Heathrow

Tue 3/24

1:25 pm-10:30 am

2 stops26h 05m

$651

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 $878 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

11h 15m

Direct flights

None
The fastest flight from Milwaukee to London Heathrow Airport takes 11h 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 11h 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
British AirwaysPriceFrom $624Free CancellationRating
6.7
7,741 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $632Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $634Free CancellationRating
7.9
8,205 reviews
Search Delta flights
American AirlinesPriceFrom $663Free CancellationRating
7.2
11,296 reviews
Search American Airlines flights
United AirlinesPriceFrom $708Free CancellationRating
7.4
9,296 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
Hayes
Wembley
Dartford
Stratford-upon-Avon
Croydon
Brentwood
Guildford
Harrow
Watford
Cobham
Folkestone
Romford
Stansted

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 3/16
Mon 3/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Gatwick Airportfrom $371
Flights to London City Airportfrom $464
Flights to London Stansted Airportfrom $341
Flights to London Luton Airportfrom $341
Flights to Glasgow Intl Airportfrom $425
Flights to Belfast Intl Airportfrom $539
Flights to London Southend Airportfrom $452
Flights to Belfast City Airportfrom $539