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Cheap flights from Milwaukee to London from $234

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 7/20. 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.
United Airlines Logo
6:00 am - 6:45 am
MKE
-
LHR
18h 45m
1 stop
United Airlines Logo
7:25 am - 6:39 pm
LHR
-
MKE
17h 14m
2 stops
$666United Airlines
Tue, Aug 25 - Tue, Sep 1
United Airlines Logo
10:45 am - 6:55 am
MKE
-
LHR
14h 10m
2 stops
United Airlines Logo
7:25 am - 6:39 pm
LHR
-
MKE
17h 14m
2 stops
$670United Airlines
Tue, Aug 25 - Tue, Sep 1
Iberia Logo
2:00 pm - 10:30 am
MKE
-
LHR
14h 30m
1 stop
Iberia Logo
6:15 am - 6:00 pm
LHR
-
MKE
17h 45m
2 stops
$672Iberia
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
4:26 pm - 12:15 pm
MKE
-
LHR
13h 49m
1 stop
British Airways Logo
7:25 pm - 11:40 pm
LHR
-
MKE
34h 15m
2 stops
$676British Airways
Sun, Apr 19 - Mon, Apr 27
United Airlines Logo
12:13 pm - 10:15 am
MKE
-
LHR
16h 02m
2 stops
United Airlines Logo
5:50 pm - 4:47 pm
LHR
-
MKE
28h 57m
2 stops
$678United Airlines
Sun, Apr 19 - Mon, Apr 27
British Airways Logo
1:05 pm - 11:15 am
MKE
-
LHR
16h 10m
1 stop
British Airways Logo
12:15 pm - 7:57 pm
LHR
-
MKE
13h 42m
1 stop
$679British Airways
Tue, Aug 25 - Tue, Sep 1
Iberia Logo
2:00 pm - 10:35 am
MKE
-
LHR
14h 35m
2 stops
Iberia Logo
6:15 am - 8:06 pm
LHR
-
MKE
19h 51m
2 stops
$680Iberia
Tue, Apr 14 - Tue, Apr 21
Air Canada Logo
10:45 am - 6:30 am
MKE
-
LHR
13h 45m
2 stops
Air Canada Logo
9:30 am - 9:49 pm
LHR
-
MKE
18h 19m
2 stops
$684Air Canada
Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
5:30 pm - 11:45 am
MKE
-
LHR
12h 15m
1 stop
United Airlines Logo
9:30 am - 10:10 am
LHR
-
MKE
30h 40m
2 stops
$685United Airlines
Sun, Mar 29 - Tue, Apr 7
Air Canada Logo
2:32 pm - 6:45 am
MKE
-
LHR
10h 13m
1 stop
Air Canada Logo
12:05 pm - 9:49 pm
LHR
-
MKE
15h 44m
2 stops
$687Air Canada
Tue, Apr 14 - Tue, Apr 21

Air Canada flights from Milwaukee to London Heathrow Airport

Our best Air Canada deals on Milwaukee to London Heathrow Airport flight tickets
Air Canada
Apr 14
MKE10:45 amMilwaukee-Mitchell
13h 45m
2 stops
LHR6:30 amLondon Heathrow
Apr 21
LHR9:30 amLondon Heathrow
18h 19m
2 stops
MKE9:49 pmMilwaukee-Mitchell
$684
Air Canada
Apr 14
MKE2:32 pmMilwaukee-Mitchell
10h 13m
1 stop
LHR6:45 amLondon Heathrow
Apr 21
LHR12:05 pmLondon Heathrow
15h 44m
2 stops
MKE9:49 pmMilwaukee-Mitchell
$687
Air Canada
Mar 24
MKE8:30 amMilwaukee-Mitchell
17h 40m
2 stops
LHR7:10 amLondon Heathrow
Mar 31
LHR8:30 amLondon Heathrow
33h 02m
2 stops
MKE11:32 amMilwaukee-Mitchell
$691

United Airlines flights from Milwaukee to London Heathrow Airport

Our best United Airlines deals on Milwaukee to London Heathrow Airport flight tickets
United Airlines
Mar 1
MKE8:30 amMilwaukee-Mitchell
15h 25m
1 stop
LHR5:55 amLondon Heathrow
Mar 10
LHR6:50 amLondon Heathrow
15h 48m
2 stops
MKE5:38 pmMilwaukee-Mitchell
$650
United Airlines
Mar 1
MKE9:44 amMilwaukee-Mitchell
14h 56m
2 stops
LHR6:40 amLondon Heathrow
Mar 10
LHR6:50 amLondon Heathrow
15h 48m
2 stops
MKE5:38 pmMilwaukee-Mitchell
$654
United Airlines
Apr 19
MKE12:13 pmMilwaukee-Mitchell
16h 02m
2 stops
LHR10:15 amLondon Heathrow
Apr 27
LHR5:50 pmLondon Heathrow
28h 57m
2 stops
MKE4:47 pmMilwaukee-Mitchell
$678

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 28, 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 8/25

6:00 am-6:45 am

1 stop18h 45m

London Heathrow

Tue 9/1

7:25 am-6:39 pm

2 stops17h 14m

$666

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 8/25

10:45 am-6:55 am

2 stops14h 10m

London Heathrow

Tue 9/1

7:25 am-6:39 pm

2 stops17h 14m

$670

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/14

2:00 pm-10:30 am

1 stop14h 30m

London Heathrow

Tue 4/21

6:15 am-6:00 pm

2 stops17h 45m

$672

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 4/19

4:26 pm-12:15 pm

1 stop13h 49m

London Heathrow

Mon 4/27

7:25 pm-11:40 pm

2 stops34h 15m

$676

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 4/19

12:13 pm-10:15 am

2 stops16h 02m

London Heathrow

Mon 4/27

5:50 pm-4:47 pm

2 stops28h 57m

$678

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 8/25

1:05 pm-11:15 am

1 stop16h 10m

London Heathrow

Tue 9/1

12:15 pm-7:57 pm

1 stop13h 42m

$679

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/14

2:00 pm-10:35 am

2 stops14h 35m

London Heathrow

Tue 4/21

6:15 am-8:06 pm

2 stops19h 51m

$680

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/14

10:45 am-6:30 am

2 stops13h 45m

London Heathrow

Tue 4/21

9:30 am-9:49 pm

2 stops18h 19m

$684

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 3/29

5:30 pm-11:45 am

1 stop12h 15m

London Heathrow

Tue 4/7

9:30 am-10:10 am

2 stops30h 40m

$685

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/14

2:32 pm-6:45 am

1 stop10h 13m

London Heathrow

Tue 4/21

12:05 pm-9:49 pm

2 stops15h 44m

$687

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 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 $876 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 36% 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 39m

Direct flights

None
The fastest flight from Milwaukee to London Heathrow Airport takes 10h 39m
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 39m.

  • 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
7,772 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $632Free CancellationRating
7.5
680 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $634Free CancellationRating
7.9
8,244 reviews
Search Delta flights
American AirlinesPriceFrom $663Free CancellationRating
7.1
11,367 reviews
Search American Airlines flights
United AirlinesPriceFrom $708Free CancellationRating
7.4
9,362 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
Stratford-upon-Avon
Crawley
Hayes
Wembley
Dartford
Brentwood
Croydon
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
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