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Cheap flights from Milwaukee to London from $320

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 1/31. 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.
Multiple Airlines Logo
2:50 pm - 11:20 amMKE  Milwaukee-Mitchell-LHR London Heathrow
14h 30m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Multiple Airlines Logo
11:10 am - 11:27 pmLHR  London Heathrow-MKE Milwaukee-Mitchell
18h 17m2 stops Munich Franz Josef Strauss Newark
$734Multiple Airlines
Mon, Jan 11 - Wed, Jan 13
United Airlines Logo
8:29 am - 7:55 amMKE  Milwaukee-Mitchell-LHR London Heathrow
17h 26m1 stop Chicago O'Hare Intl
United Airlines Logo
6:50 am - 3:04 pmLHR  London Heathrow-MKE Milwaukee-Mitchell
14h 14m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$752United Airlines
Mon, Jan 11 - Wed, Jan 13
Lufthansa Logo
7:00 pm - 9:00 pmMKE  Milwaukee-Mitchell-LHR London Heathrow
20h 00m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
11:10 am - 11:27 pmLHR  London Heathrow-MKE Milwaukee-Mitchell
18h 17m2 stops Munich Franz Josef Strauss Newark
$870Lufthansa
Mon, Feb 1 - Wed, Feb 10
United Airlines Logo
2:50 pm - 12:00 pmMKE  Milwaukee-Mitchell-LHR London Heathrow
15h 10m1 stop Chicago O'Hare Intl
United Airlines Logo
6:50 am - 5:13 pmLHR  London Heathrow-MKE Milwaukee-Mitchell
16h 23m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$876United Airlines
Mon, Feb 1 - Wed, Feb 10
British Airways Logo
2:58 pm - 10:25 amMKE  Milwaukee-Mitchell-LHR London Heathrow
13h 27m1 stop Chicago O'Hare Intl
British Airways Logo
11:00 am - 6:36 pmLHR  London Heathrow-MKE Milwaukee-Mitchell
13h 36m1 stop Chicago O'Hare Intl
$878British Airways
Mon, Jan 11 - Wed, Jan 13
Delta Logo
5:30 am - 6:25 amMKE  Milwaukee-Mitchell-LHR London Heathrow
18h 55m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:30 am - 4:05 pmLHR  London Heathrow-MKE Milwaukee-Mitchell
15h 35m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$886Delta
Mon, Sep 21 - Fri, Oct 2
Delta Logo
4:49 pm - 11:20 amMKE  Milwaukee-Mitchell-LHR London Heathrow
12h 31m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:40 am - 9:09 pmLHR  London Heathrow-MKE Milwaukee-Mitchell
18h 29m2 stops Amsterdam Schiphol Minneapolis St Paul
$886Delta
Mon, Sep 21 - Thu, Oct 1
American Airlines Logo
2:55 pm - 8:35 amMKE  Milwaukee-Mitchell-LHR London Heathrow
11h 40m1 stop Chicago O'Hare Intl
American Airlines Logo
3:40 pm - 10:37 pmLHR  London Heathrow-MKE Milwaukee-Mitchell
12h 57m1 stop Chicago O'Hare Intl
$891American Airlines
Tue, Dec 1 - Wed, Dec 9
British Airways Logo
7:19 pm - 11:35 amMKE  Milwaukee-Mitchell-LHR London Heathrow
10h 16m1 stop Chicago O'Hare Intl
British Airways Logo
3:40 pm - 10:42 pmLHR  London Heathrow-MKE Milwaukee-Mitchell
13h 02m1 stop Chicago O'Hare Intl
$896British Airways
Mon, Feb 1 - Wed, Feb 10
American Airlines Logo
2:58 pm - 6:50 amMKE  Milwaukee-Mitchell-LHR London Heathrow
9h 52m1 stop Chicago O'Hare Intl
American Airlines Logo
9:55 am - 7:52 pmLHR  London Heathrow-MKE Milwaukee-Mitchell
14h 57m1 stop Charlotte Douglas
$967American Airlines
Wed, Oct 21 - Wed, Oct 28

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United Airlines flights from Milwaukee to London Heathrow Airport

Our best United Airlines deals on Milwaukee to London Heathrow Airport flight tickets
United Airlines
Jan 11
MKE8:29 amMilwaukee-Mitchell
17h 26m
1 stop
LHR7:55 amLondon Heathrow
Jan 13
LHR6:50 amLondon Heathrow
14h 14m
2 stops
MKE3:04 pmMilwaukee-Mitchell
$752
United Airlines
Feb 1
MKE2:50 pmMilwaukee-Mitchell
15h 10m
1 stop
LHR12:00 pmLondon Heathrow
Feb 10
LHR6:50 amLondon Heathrow
16h 23m
2 stops
MKE5:13 pmMilwaukee-Mitchell
$876
United Airlines
Sep 16
MKE6:05 amMilwaukee-Mitchell
17h 50m
1 stop
LHR5:55 amLondon Heathrow
Sep 22
LHR6:50 amLondon Heathrow
14h 21m
2 stops
MKE3:11 pmMilwaukee-Mitchell
$937

British Airways flights from Milwaukee to London Heathrow Airport

Our best British Airways deals on Milwaukee to London Heathrow Airport flight tickets
British Airways
Jan 11
MKE2:58 pmMilwaukee-Mitchell
13h 27m
1 stop
LHR10:25 amLondon Heathrow
Jan 13
LHR11:00 amLondon Heathrow
13h 36m
1 stop
MKE6:36 pmMilwaukee-Mitchell
$878
British Airways
Feb 1
MKE7:19 pmMilwaukee-Mitchell
10h 16m
1 stop
LHR11:35 amLondon Heathrow
Feb 10
LHR3:40 pmLondon Heathrow
13h 02m
1 stop
MKE10:42 pmMilwaukee-Mitchell
$905
British Airways
Nov 24
MKE2:55 pmMilwaukee-Mitchell
10h 00m
1 stop
LHR6:55 amLondon Heathrow
Nov 30
LHR11:25 amLondon Heathrow
37h 10m
2 stops
MKE6:35 pmMilwaukee-Mitchell
$960

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 August 18, 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 Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 1/11

2:50 pm-11:20 am

2 stops14h 30m

London Heathrow

Wed 1/13

11:10 am-11:27 pm

2 stops18h 17m

$734

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 1/11

8:29 am-7:55 am

1 stop17h 26m

London Heathrow

Wed 1/13

6:50 am-3:04 pm

2 stops14h 14m

$752

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 2/1

7:00 pm-9:00 pm

2 stops20h 00m

London Heathrow

Wed 2/10

11:10 am-11:27 pm

2 stops18h 17m

$870

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 2/1

2:50 pm-12:00 pm

1 stop15h 10m

London Heathrow

Wed 2/10

6:50 am-5:13 pm

2 stops16h 23m

$876

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 1/11

2:58 pm-10:25 am

1 stop13h 27m

London Heathrow

Wed 1/13

11:00 am-6:36 pm

1 stop13h 36m

$878

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 9/21

5:30 am-6:25 am

1 stop18h 55m

London Heathrow

Fri 10/2

6:30 am-4:05 pm

2 stops15h 35m

$886

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 9/21

4:49 pm-11:20 am

1 stop12h 31m

London Heathrow

Thu 10/1

8:40 am-9:09 pm

2 stops18h 29m

$886

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Tue 12/1

2:55 pm-8:35 am

1 stop11h 40m

London Heathrow

Wed 12/9

3:40 pm-10:37 pm

1 stop12h 57m

$891
Quickest round-trip

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 2/1

7:19 pm-11:35 am

1 stop10h 16m

London Heathrow

Wed 2/10

3:40 pm-10:42 pm

1 stop13h 02m

$896

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Wed 10/21

2:58 pm-6:50 am

1 stop9h 52m

London Heathrow

Wed 10/28

9:55 am-7:52 pm

1 stop14h 57m

$967

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $660 to $1,220.
The lowest price recently found on this route was $734.

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

Best Price Found

$320

Fastest flight time

11h 40m

Direct flights

None
The best one-way flight to London Heathrow Airport from Milwaukee in the past 72 hours is $320. The best round-trip flight deal from Milwaukee to London Heathrow Airport found on momondo in the last 72 hours is $734.
The fastest flight from Milwaukee to London Heathrow Airport takes 11h 40m
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 40m.

  • 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
692 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $596Free CancellationRating
7.8
8,501 reviews
Search Delta flights
British AirwaysPriceFrom $624Free CancellationRating
6.7
8,174 reviews
Search British Airways flights
American AirlinesPriceFrom $663Free CancellationRating
7.1
11,953 reviews
Search American Airlines flights
United AirlinesPriceFrom $708Free CancellationRating
7.4
10,100 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
Stratford-upon-Avon
Wembley
Croydon
Dover
Stansted
Richmond
Kingston upon Thames
Harrow
Watford
Cobham
Slough
Uxbridge
Eastbourne
Worthing
Romford

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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