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Cheap flights from Milwaukee to London from $323

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 12/1. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Milwaukee to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
6:32 pm - 5:05 pm
MKE
-
LHR
16h 33m
2 stops
Lufthansa Logo
11:10 am - 10:45 pm
LHR
-
MKE
16h 35m
2 stops
$860Lufthansa
Wed, Oct 21 - Wed, Oct 28
Lufthansa Logo
6:32 pm - 6:25 pm
MKE
-
LHR
17h 53m
2 stops
Lufthansa Logo
7:40 am - 10:45 pm
LHR
-
MKE
20h 05m
2 stops
$861Lufthansa
Wed, Oct 21 - Wed, Oct 28
Iberia Logo
2:58 pm - 7:40 am
MKE
-
LHR
10h 42m
1 stop
Iberia Logo
7:35 am - 6:36 pm
LHR
-
MKE
16h 01m
2 stops
$863Iberia
Wed, Oct 21 - Wed, Oct 28
United Airlines Logo
11:36 am - 5:55 am
MKE
-
LHR
12h 19m
1 stop
United Airlines Logo
6:50 am - 6:48 pm
LHR
-
MKE
16h 58m
2 stops
$865United Airlines
Wed, Oct 21 - Wed, Oct 28
United Airlines Logo
11:36 am - 5:55 am
MKE
-
LHR
12h 19m
1 stop
United Airlines Logo
6:50 am - 6:48 pm
LHR
-
MKE
16h 58m
2 stops
$866United Airlines
Wed, Oct 21 - Wed, Oct 28
United Airlines Logo
3:00 pm - 10:25 am
MKE
-
LHR
13h 25m
1 stop
United Airlines Logo
6:50 am - 6:48 pm
LHR
-
MKE
17h 58m
2 stops
$867United Airlines
Mon, Nov 2 - Fri, Nov 6
United Airlines Logo
3:48 pm - 11:05 am
MKE
-
LHR
13h 17m
2 stops
United Airlines Logo
6:50 am - 4:53 pm
LHR
-
MKE
16h 03m
2 stops
$870United Airlines
Mon, Nov 2 - Fri, Nov 6
United Airlines Logo
10:37 am - 6:20 am
MKE
-
LHR
13h 43m
2 stops
United Airlines Logo
6:50 am - 5:38 pm
LHR
-
MKE
16h 48m
2 stops
$871United Airlines
Mon, Nov 2 - Fri, Nov 6
United Airlines Logo
6:32 pm - 9:00 am
MKE
-
LHR
32h 28m
1 stop
United Airlines Logo
9:30 am - 10:48 am
LHR
-
MKE
31h 18m
2 stops
$875United Airlines
Sat, Oct 17 - Fri, Oct 23
United Airlines Logo
12:14 pm - 5:55 am
MKE
-
LHR
11h 41m
1 stop
United Airlines Logo
6:50 am - 6:39 pm
LHR
-
MKE
17h 49m
2 stops
$876United Airlines
Wed, Jan 13 - Wed, Jan 20

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Delta flights from Milwaukee to London Heathrow Airport

Our best Delta deals on Milwaukee to London Heathrow Airport flight tickets
Delta
Sep 22
MKE12:44 pmMilwaukee-Mitchell
12h 31m
1 stop
LHR7:15 amLondon Heathrow
Sep 30
LHR6:30 amLondon Heathrow
17h 37m
2 stops
MKE6:07 pmMilwaukee-Mitchell
$884
Delta
Sep 22
MKE9:37 amMilwaukee-Mitchell
15h 33m
1 stop
LHR7:10 amLondon Heathrow
Sep 29
LHR9:55 amLondon Heathrow
16h 10m
2 stops
MKE8:05 pmMilwaukee-Mitchell
$886
Delta
Sep 22
MKE10:00 amMilwaukee-Mitchell
15h 10m
2 stops
LHR7:10 amLondon Heathrow
Sep 30
LHR6:30 amLondon Heathrow
17h 37m
2 stops
MKE6:07 pmMilwaukee-Mitchell
$889

United Airlines flights from Milwaukee to London Heathrow Airport

Our best United Airlines deals on Milwaukee to London Heathrow Airport flight tickets
United Airlines
Oct 21
MKE11:36 amMilwaukee-Mitchell
12h 19m
1 stop
LHR5:55 amLondon Heathrow
Oct 28
LHR6:50 amLondon Heathrow
16h 58m
2 stops
MKE6:48 pmMilwaukee-Mitchell
$865
United Airlines
Oct 21
MKE11:36 amMilwaukee-Mitchell
12h 19m
1 stop
LHR5:55 amLondon Heathrow
Oct 28
LHR6:50 amLondon Heathrow
16h 58m
2 stops
MKE6:48 pmMilwaukee-Mitchell
$866
United Airlines
Nov 2
MKE3:00 pmMilwaukee-Mitchell
13h 25m
1 stop
LHR10:25 amLondon Heathrow
Nov 6
LHR6:50 amLondon Heathrow
17h 58m
2 stops
MKE6:48 pmMilwaukee-Mitchell
$867

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 July 21, 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

Wed 10/21

6:32 pm-5:05 pm

2 stops16h 33m

London Heathrow

Wed 10/28

11:10 am-10:45 pm

2 stops16h 35m

$860

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 10/21

6:32 pm-6:25 pm

2 stops17h 53m

London Heathrow

Wed 10/28

7:40 am-10:45 pm

2 stops20h 05m

$861
Quickest round-trip

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 10/21

2:58 pm-7:40 am

1 stop10h 42m

London Heathrow

Wed 10/28

7:35 am-6:36 pm

2 stops16h 01m

$863

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 10/21

11:36 am-5:55 am

1 stop12h 19m

London Heathrow

Wed 10/28

6:50 am-6:48 pm

2 stops16h 58m

$865

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 10/21

11:36 am-5:55 am

1 stop12h 19m

London Heathrow

Wed 10/28

6:50 am-6:48 pm

2 stops16h 58m

$866

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 11/2

3:00 pm-10:25 am

1 stop13h 25m

London Heathrow

Fri 11/6

6:50 am-6:48 pm

2 stops17h 58m

$867

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 11/2

3:48 pm-11:05 am

2 stops13h 17m

London Heathrow

Fri 11/6

6:50 am-4:53 pm

2 stops16h 03m

$870

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 11/2

10:37 am-6:20 am

2 stops13h 43m

London Heathrow

Fri 11/6

6:50 am-5:38 pm

2 stops16h 48m

$871

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sat 10/17

6:32 pm-9:00 am

1 stop32h 28m

London Heathrow

Fri 10/23

9:30 am-10:48 am

2 stops31h 18m

$875

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 1/13

12:14 pm-5:55 am

1 stop11h 41m

London Heathrow

Wed 1/20

6:50 am-6:39 pm

2 stops17h 49m

$876

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 November is your next best option. Flight prices from Milwaukee to London Heathrow Airport during November average around $728.

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 41m

Direct flights

None
The fastest flight from Milwaukee to London Heathrow Airport takes 11h 41m
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

Frequently asked questions about flying from Milwaukee to London Heathrow Airport

  • 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 41m.

  • 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 $337Free CancellationRating
7.5
693 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $596Free CancellationRating
7.8
8,474 reviews
Search Delta flights
British AirwaysPriceFrom $624Free CancellationRating
6.7
8,125 reviews
Search British Airways flights
American AirlinesPriceFrom $659Free CancellationRating
7.1
11,830 reviews
Search American Airlines flights
United AirlinesPriceFrom $708Free CancellationRating
7.4
10,013 reviews
Search United Airlines flights

Traveling to a place near London?

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

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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