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Cheap flights from Milwaukee to London from $426

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 4/22. 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.
Scandinavian Airlines Logo
7:10 am - 2:35 pm
MKE
-
LHR
25h 25m
2 stops
Scandinavian Airlines Logo
7:30 pm - 9:52 pm
LHR
-
MKE
32h 22m
2 stops
$843Scandinavian Airlines
Sun, Apr 26 - Sun, May 10
Scandinavian Airlines Logo
7:10 am - 5:40 pm
MKE
-
LHR
28h 30m
2 stops
Scandinavian Airlines Logo
7:50 pm - 9:52 pm
LHR
-
MKE
32h 02m
2 stops
$855Scandinavian Airlines
Mon, May 4 - Mon, May 18
Scandinavian Airlines Logo
7:10 am - 4:00 pm
MKE
-
LHR
26h 50m
2 stops
Scandinavian Airlines Logo
7:50 pm - 9:52 pm
LHR
-
MKE
32h 02m
2 stops
$856Scandinavian Airlines
Mon, May 4 - Mon, May 18
Iberia Logo
8:16 pm - 12:15 pm
MKE
-
LHR
9h 59m
1 stop
Iberia Logo
6:15 am - 7:40 pm
LHR
-
MKE
19h 25m
2 stops
$862Iberia
Tue, Oct 6 - Wed, Oct 14
Iberia Logo
8:16 pm - 12:15 pm
MKE
-
LHR
9h 59m
1 stop
Iberia Logo
7:50 am - 5:40 pm
LHR
-
MKE
15h 50m
2 stops
$866Iberia
Tue, Oct 6 - Thu, Oct 15
Iberia Logo
8:16 pm - 12:15 pm
MKE
-
LHR
9h 59m
1 stop
Iberia Logo
7:50 am - 7:40 pm
LHR
-
MKE
17h 50m
2 stops
$870Iberia
Mon, Oct 5 - Wed, Oct 14
United Airlines Logo
2:32 pm - 6:45 am
MKE
-
LHR
10h 13m
1 stop
United Airlines Logo
6:50 am - 4:42 pm
LHR
-
MKE
15h 52m
2 stops
$874United Airlines
Mon, Apr 27 - Tue, May 5
United Airlines Logo
12:13 pm - 10:00 am
MKE
-
LHR
15h 47m
2 stops
United Airlines Logo
6:50 am - 2:27 pm
LHR
-
MKE
13h 37m
2 stops
$878United Airlines
Wed, Apr 29 - Tue, May 5
United Airlines Logo
9:37 am - 5:55 am
MKE
-
LHR
14h 18m
2 stops
United Airlines Logo
6:50 am - 4:42 pm
LHR
-
MKE
15h 52m
2 stops
$879United Airlines
Wed, May 13 - Tue, May 19
United Airlines Logo
9:37 am - 6:45 am
MKE
-
LHR
15h 08m
1 stop
United Airlines Logo
2:05 pm - 9:45 am
LHR
-
MKE
25h 40m
2 stops
$883United Airlines
Tue, May 5 - Tue, May 12

Lufthansa flights from Milwaukee to London Heathrow Airport

Our best Lufthansa deals on Milwaukee to London Heathrow Airport flight tickets
Lufthansa
May 13
MKE10:50 amMilwaukee-Mitchell
14h 25m
1 stop
LHR7:15 amLondon Heathrow
May 19
LHR11:05 amLondon Heathrow
11h 37m
1 stop
MKE4:42 pmMilwaukee-Mitchell
$957
Lufthansa
Apr 20
MKE12:13 pmMilwaukee-Mitchell
12h 32m
1 stop
LHR6:45 amLondon Heathrow
Apr 26
LHR8:00 amLondon Heathrow
18h 48m
1 stop
MKE8:48 pmMilwaukee-Mitchell
$1,003
Lufthansa
Apr 29
MKE7:41 pmMilwaukee-Mitchell
40h 59m
2 stops
LHR6:40 pmLondon Heathrow
May 4
LHR7:25 amLondon Heathrow
19h 23m
2 stops
MKE8:48 pmMilwaukee-Mitchell
$1,010

United Airlines flights from Milwaukee to London Heathrow Airport

Our best United Airlines deals on Milwaukee to London Heathrow Airport flight tickets
United Airlines
Apr 27
MKE12:13 pmMilwaukee-Mitchell
14h 17m
1 stop
LHR8:30 amLondon Heathrow
May 7
LHR6:50 amLondon Heathrow
13h 37m
2 stops
MKE2:27 pmMilwaukee-Mitchell
$874
United Airlines
Apr 29
MKE12:13 pmMilwaukee-Mitchell
15h 47m
2 stops
LHR10:00 amLondon Heathrow
May 6
LHR6:50 amLondon Heathrow
13h 37m
2 stops
MKE2:27 pmMilwaukee-Mitchell
$878
United Airlines
May 13
MKE9:37 amMilwaukee-Mitchell
14h 18m
2 stops
LHR5:55 amLondon Heathrow
May 19
LHR6:50 amLondon Heathrow
15h 52m
2 stops
MKE4:42 pmMilwaukee-Mitchell
$879

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 April 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

Cheapest round-trip

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 4/26

7:10 am-2:35 pm

2 stops25h 25m

London Heathrow

Sun 5/10

7:30 pm-9:52 pm

2 stops32h 22m

$843

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 5/4

7:10 am-5:40 pm

2 stops28h 30m

London Heathrow

Mon 5/18

7:50 pm-9:52 pm

2 stops32h 02m

$855

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 5/4

7:10 am-4:00 pm

2 stops26h 50m

London Heathrow

Mon 5/18

7:50 pm-9:52 pm

2 stops32h 02m

$856

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 10/6

8:16 pm-12:15 pm

1 stop9h 59m

London Heathrow

Wed 10/14

6:15 am-7:40 pm

2 stops19h 25m

$862
Quickest round-trip

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 10/6

8:16 pm-12:15 pm

1 stop9h 59m

London Heathrow

Thu 10/15

7:50 am-5:40 pm

2 stops15h 50m

$866

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 10/5

8:16 pm-12:15 pm

1 stop9h 59m

London Heathrow

Wed 10/14

7:50 am-7:40 pm

2 stops17h 50m

$870

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 4/27

2:32 pm-6:45 am

1 stop10h 13m

London Heathrow

Tue 5/5

6:50 am-4:42 pm

2 stops15h 52m

$874

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 4/29

12:13 pm-10:00 am

2 stops15h 47m

London Heathrow

Tue 5/5

6:50 am-2:27 pm

2 stops13h 37m

$878

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 5/13

9:37 am-5:55 am

2 stops14h 18m

London Heathrow

Tue 5/19

6:50 am-4:42 pm

2 stops15h 52m

$879

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 5/5

9:37 am-6:45 am

1 stop15h 08m

London Heathrow

Tue 5/12

2:05 pm-9:45 am

2 stops25h 40m

$883

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 October is your next best option. Flight prices from Milwaukee to London Heathrow Airport during October average around $725.

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 $870 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 $663 on momondo.

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

You could potentially save up to 42% 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

9h 47m

Direct flights

None
The fastest flight from Milwaukee to London Heathrow Airport takes 9h 47m
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 9h 47m.

  • 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
DeltaPriceFrom $596Free CancellationRating
7.9
8,404 reviews
Search Delta flights
British AirwaysPriceFrom $603Free CancellationRating
6.7
7,885 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $629Free CancellationRating
7.5
687 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $663Free CancellationRating
7.1
11,580 reviews
Search American Airlines flights
United AirlinesPriceFrom $708Free CancellationRating
7.4
9,589 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
Hayes
Slough
Stratford-upon-Avon
Crawley
Wembley
Stansted
Croydon
Dartford
Brentwood
Cobham
Folkestone
Guildford
Romford
Harrow
Watford

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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