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Cheap flights from Milwaukee to London from $326

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 10/12. 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.

Find the cheapest flights from Milwaukee to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$864Iberia
Mon, Oct 5 - Wed, Oct 14
Scandinavian Airlines Logo
7:00 am - 4:00 pm
MKE
-
LHR
27h 00m
2 stops
Scandinavian Airlines Logo
7:05 am - 8:08 pm
LHR
-
MKE
19h 03m
2 stops
$865Scandinavian Airlines
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
$868Iberia
Tue, Oct 6 - Thu, Oct 15
Delta Logo
5:00 pm - 12:05 pm
MKE
-
LHR
13h 05m
2 stops
Delta Logo
6:30 am - 4:07 pm
LHR
-
MKE
15h 37m
2 stops
$883Delta
Mon, Oct 5 - Wed, Oct 14
British Airways Logo
4:49 pm - 10:50 am
MKE
-
LHR
12h 01m
1 stop
British Airways Logo
2:45 pm - 9:18 pm
LHR
-
MKE
12h 33m
1 stop
$892British Airways
Tue, Oct 6 - Thu, Oct 15
British Airways Logo
7:37 pm - 12:15 pm
MKE
-
LHR
10h 38m
1 stop
British Airways Logo
12:15 pm - 7:57 pm
LHR
-
MKE
13h 42m
1 stop
$893British Airways
Sun, Aug 16 - Thu, Aug 20
JetBlue Logo
4:56 pm - 6:30 am
MKE
-
LHR
31h 34m
1 stop
JetBlue Logo
8:40 am - 4:03 pm
LHR
-
MKE
13h 23m
1 stop
$900JetBlue
Fri, May 1 - Wed, May 13
Iberia Logo
7:37 pm - 10:35 am
MKE
-
LHR
32h 58m
2 stops
Iberia Logo
9:45 am - 6:59 pm
LHR
-
MKE
15h 14m
1 stop
$906Iberia
Sun, Aug 16 - Thu, Aug 20
Delta Logo
7:00 am - 6:20 am
MKE
-
LHR
17h 20m
1 stop
Delta Logo
6:30 am - 7:33 pm
LHR
-
MKE
19h 03m
2 stops
$911Delta
Sun, Aug 30 - Fri, Sep 4
Delta Logo
11:15 am - 6:45 am
MKE
-
LHR
13h 30m
1 stop
Delta Logo
8:40 am - 8:09 pm
LHR
-
MKE
17h 29m
2 stops
$912Delta
Sun, Aug 30 - Thu, Sep 10

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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
Oct 13
MKE7:00 amMilwaukee-Mitchell
21h 20m
1 stop
LHR10:20 amLondon Heathrow
Oct 21
LHR6:30 amLondon Heathrow
16h 15m
2 stops
MKE4:45 pmMilwaukee-Mitchell
$879
Delta
Oct 5
MKE5:00 pmMilwaukee-Mitchell
14h 15m
2 stops
LHR1:15 pmLondon Heathrow
Oct 14
LHR6:30 amLondon Heathrow
16h 15m
2 stops
MKE4:45 pmMilwaukee-Mitchell
$883
Delta
Sep 7
MKE6:40 pmMilwaukee-Mitchell
12h 35m
1 stop
LHR1:15 pmLondon Heathrow
Sep 22
LHR3:15 pmLondon Heathrow
14h 10m
1 stop
MKE11:25 pmMilwaukee-Mitchell
$907

KLM flights from Milwaukee to London Heathrow Airport

Our best KLM deals on Milwaukee to London Heathrow Airport flight tickets
KLM
May 1
MKE6:38 pmMilwaukee-Mitchell
53h 47m
2 stops
LHR6:25 amLondon Heathrow
May 13
LHR11:45 amLondon Heathrow
18h 08m
2 stops
MKE11:53 pmMilwaukee-Mitchell
$1,020
KLM
May 1
MKE6:38 pmMilwaukee-Mitchell
53h 47m
2 stops
LHR6:25 amLondon Heathrow
May 13
LHR10:45 amLondon Heathrow
11h 21m
1 stop
MKE4:06 pmMilwaukee-Mitchell
$1,048
KLM
Apr 21
MKE10:11 amMilwaukee-Mitchell
14h 14m
1 stop
LHR6:25 amLondon Heathrow
Apr 28
LHR1:25 pmLondon Heathrow
13h 10m
1 stop
MKE8:35 pmMilwaukee-Mitchell
$1,059

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 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

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

$864

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 10/6

7:00 am-4:00 pm

2 stops27h 00m

London Heathrow

Thu 10/15

7:05 am-8:08 pm

2 stops19h 03m

$865

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-7:40 pm

2 stops17h 50m

$868

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 10/5

5:00 pm-12:05 pm

2 stops13h 05m

London Heathrow

Wed 10/14

6:30 am-4:07 pm

2 stops15h 37m

$883

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 10/6

4:49 pm-10:50 am

1 stop12h 01m

London Heathrow

Thu 10/15

2:45 pm-9:18 pm

1 stop12h 33m

$892
Quickest round-trip

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 8/16

7:37 pm-12:15 pm

1 stop10h 38m

London Heathrow

Thu 8/20

12:15 pm-7:57 pm

1 stop13h 42m

$893

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 5/1

4:56 pm-6:30 am

1 stop31h 34m

London Heathrow

Wed 5/13

8:40 am-4:03 pm

1 stop13h 23m

$900

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 8/16

7:37 pm-10:35 am

2 stops32h 58m

London Heathrow

Thu 8/20

9:45 am-6:59 pm

1 stop15h 14m

$906

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 8/30

7:00 am-6:20 am

1 stop17h 20m

London Heathrow

Fri 9/4

6:30 am-7:33 pm

2 stops19h 03m

$911

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 8/30

11:15 am-6:45 am

1 stop13h 30m

London Heathrow

Thu 9/10

8:40 am-8:09 pm

2 stops17h 29m

$912

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 $875 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

11h 45m

Direct flights

None
The fastest flight from Milwaukee to London Heathrow Airport takes 11h 45m
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 45m.

  • 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
8,434 reviews
Search Delta flights
British AirwaysPriceFrom $603Free CancellationRating
6.7
7,899 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $629Free CancellationRating
7.5
687 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $663Free CancellationRating
7.1
11,645 reviews
Search American Airlines flights
United AirlinesPriceFrom $708Free CancellationRating
7.4
9,613 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
Dover
Luton
Hayes
Stratford-upon-Avon
Crawley
Slough
Wembley
Stansted
Watford
Croydon
Brentwood
Dartford
Cobham
Folkestone
Guildford
Romford
Harrow

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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