United Kingdom
GBP

MKE - LHR

£249 Find Cheap Flights from Milwaukee to London Heathrow Airport – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£605
Typical prices: £579-£912
United Airlines
Thu 1/3Sat 3/3
MKE - LHR • 1 stop
Cheapest one-way flight
£249
Typical prices: £286-£453
Air France
Fri 16/3
MKE - LHR • 2 stops
Direct flights
Not available
There are currently no direct flights between Milwaukee and London Heathrow Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
25 weeks
in advance
Our data shows that travellers who book at least 25 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 29% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Detroit Metropolitan Wayne County (DTW)
Cheapest • Avg £563 (return)
Philadelphia (PHL)
Shortest trip • 11h 09m (one-way)
Insights
Insights
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to London Heathrow Airport!
Flight Deals
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Flight Deals

Cheap Flights from Milwaukee to Heathrow (MKE-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Milwaukee to Heathrow

Mon, 1 Mar - Wed, 3 Mar
United Airlines Logo
19:20 - 12:00MKE  Milwaukee-Mitchell-LHR London Heathrow
10h 40m1 stop Chicago O'Hare Intl
United Airlines Logo
06:50 - 18:53LHR  London Heathrow-MKE Milwaukee-Mitchell
18h 03m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
£605United Airlines
Mon, 1 Mar - Wed, 3 Mar
United Airlines Logo
15:50 - 10:50MKE  Milwaukee-Mitchell-LHR London Heathrow
13h 00m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
06:50 - 16:43LHR  London Heathrow-MKE Milwaukee-Mitchell
15h 53m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
£608United Airlines
Mon, 1 Mar - Wed, 3 Mar
United Airlines Logo
15:50 - 10:50MKE  Milwaukee-Mitchell-LHR London Heathrow
13h 00m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
06:50 - 16:43LHR  London Heathrow-MKE Milwaukee-Mitchell
15h 53m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
£609United Airlines
Wed, 6 Jan - Tue, 19 Jan
Virgin Atlantic Logo
10:25 - 06:25MKE  Milwaukee-Mitchell-LHR London Heathrow
14h 00m1 stop Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
11:45 - 21:09LHR  London Heathrow-MKE Milwaukee-Mitchell
15h 24m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
£668Virgin Atlantic
Wed, 6 Jan - Tue, 19 Jan
Delta Logo
13:00 - 09:25MKE  Milwaukee-Mitchell-LHR London Heathrow
14h 25m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl
Delta Logo
06:30 - 16:45LHR  London Heathrow-MKE Milwaukee-Mitchell
16h 15m2 stops Amsterdam Schiphol Minneapolis St Paul
£671Delta
Fri, 15 Jan - Sun, 17 Jan
United Airlines Logo
11:40 - 08:25MKE  Milwaukee-Mitchell-LHR London Heathrow
14h 45m1 stop Newark
United Airlines Logo
06:50 - 15:10LHR  London Heathrow-MKE Milwaukee-Mitchell
14h 20m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
£680United Airlines
Wed, 4 Nov - Wed, 11 Nov
KLM Logo
12:36 - 07:50MKE  Milwaukee-Mitchell-LHR London Heathrow
13h 14m1 stop Atlanta Hartsfield-Jackson
KLM Logo
06:30 - 17:36LHR  London Heathrow-MKE Milwaukee-Mitchell
17h 06m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
£683KLM
Fri, 15 Jan - Sun, 17 Jan
United Airlines Logo
12:45 - 09:10MKE  Milwaukee-Mitchell-LHR London Heathrow
14h 25m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
06:50 - 17:48LHR  London Heathrow-MKE Milwaukee-Mitchell
16h 58m2 stops Brussels Bruxelles-National Newark
£684United Airlines
Wed, 11 Nov - Wed, 18 Nov
Delta Logo
15:19 - 11:40MKE  Milwaukee-Mitchell-LHR London Heathrow
14h 21m1 stop Atlanta Hartsfield-Jackson
Delta Logo
08:40 - 20:27LHR  London Heathrow-MKE Milwaukee-Mitchell
17h 47m2 stops Amsterdam Schiphol Boston Logan Intl
£687Delta
Tue, 3 Nov - Tue, 10 Nov
Delta Logo
07:03 - 09:00MKE  Milwaukee-Mitchell-LHR London Heathrow
19h 57m1 stop Atlanta Hartsfield-Jackson
Delta Logo
08:40 - 18:05LHR  London Heathrow-MKE Milwaukee-Mitchell
15h 25m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
£688Delta
Booking Insights

Price, demand, and travel trends for Milwaukee to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Milwaukee to London Heathrow Airport?

Return flights from Milwaukee to London Heathrow Airport typically range from £579 to £912. The lowest price found in the past 5 days was £605 on United Airlines.

What's the cheapest day of the week to fly from Milwaukee to London Heathrow Airport?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Milwaukee to London Heathrow Airport. It’s 21% cheaper than the average day, while Friday is the most expensive, with prices 31% higher.

What is the cheapest month to fly from Milwaukee to London Heathrow Airport?

•January is the cheapest month to fly from Milwaukee to London Heathrow Airport at £504 return.
•June (£982) and December (£939) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 94% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Milwaukee to London Heathrow Airport the cheapest?

Flights from Milwaukee to London Heathrow Airport are cheapest 25 weeks before departure. Booking in this window typically costs about 29% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Milwaukee to London Heathrow Airport flights

Low season

October

Cheapest flight

£249
Beat the crowds with an average 8% drop in traveller numbers.
The most popular month to fly with an average 35% increase in traveller numbers.
One-way flight from Milwaukee to London Heathrow Airport

When to book flights from Milwaukee to Heathrow

Are your dates flexible? Find out the best times to travel from Milwaukee to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Milwaukee to London Heathrow Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Milwaukee to London Heathrow Airport?

    Only Economy class is available on flights from Milwaukee to London Heathrow Airport.

  • How long is a flight from Milwaukee to London Heathrow Airport?

    A direct flight from Milwaukee to London Heathrow Airport takes 00m, covering 3,894 miles.

  • Do I need a passport to fly from Milwaukee to London Heathrow Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Milwaukee to London Heathrow Airport flight?

    Return flights from Milwaukee to London Heathrow Airport range from £579 to £912, with an average of £713 over the past 12 months. Anything below £579 counts as a good deal.

  • How expensive are last-minute Milwaukee to London Heathrow Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 2% above the £713 route average. Book 25 weeks before departure for the lowest fares.

  • How are flight prices from Milwaukee to London Heathrow Airport looking right now?

    One-way fares from Milwaukee to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about £324, which is 11% below the typical average for this route.

  • Which car hire options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car hire companies, with daily rates starting from around £5 for economy cars. Top options include:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • Which airports can I use when flying from Milwaukee to London Heathrow Airport?

    Flights from Milwaukee to London Heathrow Airport usually depart from Milwaukee-Mitchell (MKE) and arrive at London Heathrow (LHR).

  • Which airports do connecting flights from Milwaukee to London Heathrow Airport pass through?

    One-stop flights from Milwaukee to London Heathrow Airport most commonly connect through:

    • Chicago O'Hare Intl (ORD) – 68% of one-stop connections
    • Charlotte Douglas (CLT) – 7% of one-stop connections
    • Minneapolis St Paul (MSP) – 7% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 5% of one-stop connections

  • Can I save money by using flexible dates for flights from Milwaukee to London Heathrow Airport?

    Yes. Flexible dates can save you up to 40% on flights from Milwaukee to London Heathrow Airport. Sunday is the cheapest departure day at £568 return on average, while Friday is the most expensive at £939, a difference of £371.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different stopover airport from Milwaukee to London Heathrow Airport?

    Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time of 11h 09m, compared to 11h 12m via Chicago O'Hare Intl (ORD) and 11h 31m via Detroit Metropolitan Wayne County (DTW).

  • What is the time difference between Milwaukee and London Heathrow Airport?

    London Heathrow Airport is 6 hours ahead of Milwaukee (British Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Hyde Park, Tower Bridge, and Royal Albert Hall. These are among the most viewed places in London Heathrow Airport on KAYAK.

Your guide to booking Milwaukee to London Heathrow Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Friday. On this route, Sunday flights average £568, about £371 less than Friday fares (40% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 25 weeks before you fly. On this route, that window historically saves about 29% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Milwaukee to London Heathrow Airport trip for January. Fares historically average £504 return in that month – typically £478 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.

    • Hilton London Heathrow Airport

More options for your flight from Milwaukee to Heathrow

Complete your trip to London with a hotel stay or car hire

Car hire in London
Hotels in London
Holidays in London