MKE - LHR

£239 Find Cheap Flights from Milwaukee to London Heathrow Airport – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
£558
Typical prices: £531-£843
Delta
Sun 4/11Sun 11/11
MKE - LHR • 1 stop
Cheapest one-way flight
£239
Typical prices: £283-£475
JetBlue
Sun 14/10
MKE - LHR • 1 stop
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 25% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 25% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Detroit Metropolitan Wayne County (DTW)
Cheapest • Avg £557 (return)
Philadelphia (PHL)
Shortest trip • 11h 09m (one-way)
Insights
Insights
Start a new search
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
Booking Insights
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, 2 Nov - Wed, 11 Nov
Delta Logo
08:00 - 06:20MKE  Milwaukee-Mitchell-LHR London Heathrow
16h 20m1 stop New York John F Kennedy Intl
Delta Logo
06:30 - 18:05LHR  London Heathrow-MKE Milwaukee-Mitchell
17h 35m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
£558Delta
Wed, 4 Nov - Wed, 11 Nov
Multiple Airlines Logo
12:36 - 09:00MKE  Milwaukee-Mitchell-LHR London Heathrow
14h 24m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
09:50 - 16:23LHR  London Heathrow-MKE Milwaukee-Mitchell
12h 33m1 stop Minneapolis St Paul
£558Multiple Airlines
Wed, 4 Nov - Wed, 11 Nov
Delta Logo
10:16 - 06:25MKE  Milwaukee-Mitchell-LHR London Heathrow
14h 09m1 stop Atlanta Hartsfield-Jackson
Delta Logo
06:30 - 18:05LHR  London Heathrow-MKE Milwaukee-Mitchell
17h 35m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
£558Delta
Wed, 4 Nov - Wed, 11 Nov
Virgin Atlantic Logo
13:24 - 09:00MKE  Milwaukee-Mitchell-LHR London Heathrow
13h 36m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson
Virgin Atlantic Logo
06:20 - 16:23LHR  London Heathrow-MKE Milwaukee-Mitchell
16h 03m2 stops Paris Charles de Gaulle Minneapolis St Paul
£562Virgin Atlantic
Mon, 2 Nov - Wed, 11 Nov
Virgin Atlantic Logo
14:40 - 09:55MKE  Milwaukee-Mitchell-LHR London Heathrow
13h 15m1 stop Boston Logan Intl
Virgin Atlantic Logo
09:50 - 19:26LHR  London Heathrow-MKE Milwaukee-Mitchell
15h 36m1 stop Minneapolis St Paul
£563Virgin Atlantic
Wed, 4 Nov - Wed, 11 Nov
Multiple Airlines Logo
12:36 - 09:00MKE  Milwaukee-Mitchell-LHR London Heathrow
14h 24m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
09:50 - 16:23LHR  London Heathrow-MKE Milwaukee-Mitchell
12h 33m1 stop Minneapolis St Paul
£564Multiple Airlines
Wed, 3 Mar - Tue, 9 Mar
Delta Logo
12:20 - 06:25MKE  Milwaukee-Mitchell-LHR London Heathrow
12h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:45 - 21:09LHR  London Heathrow-MKE Milwaukee-Mitchell
15h 24m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
£566Delta
Mon, 2 Nov - Wed, 11 Nov
Virgin Atlantic Logo
09:35 - 07:20MKE  Milwaukee-Mitchell-LHR London Heathrow
15h 45m2 stops Detroit Metropolitan Wayne County Washington, D.C. Dulles Intl
Virgin Atlantic Logo
11:35 - 20:15LHR  London Heathrow-MKE Milwaukee-Mitchell
14h 40m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County
£567Virgin Atlantic
Wed, 3 Mar - Tue, 9 Mar
Delta Logo
09:20 - 06:25MKE  Milwaukee-Mitchell-LHR London Heathrow
15h 05m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson
Delta Logo
08:40 - 18:59LHR  London Heathrow-MKE Milwaukee-Mitchell
16h 19m2 stops Amsterdam Schiphol Boston Logan Intl
£570Delta
Tue, 2 Mar - Tue, 9 Mar
Delta Logo
12:20 - 07:50MKE  Milwaukee-Mitchell-LHR London Heathrow
13h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:20 - 21:09LHR  London Heathrow-MKE Milwaukee-Mitchell
15h 49m1 stop Detroit Metropolitan Wayne County
£571Delta
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 from Milwaukee to London Heathrow Airport with more confidence.

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

Return flights from Milwaukee to London Heathrow Airport start at £558. Prices are typical for this route right now, with typical return fares ranging from £531 to £843. The lowest price found in the past 5 days was £558 on Delta.

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

Monday is the cheapest day of the week to fly from Milwaukee to London Heathrow Airport and is 25% cheaper than the average day. Saturday is the most expensive day with flight prices 30% higher than average. Based on deals found by KAYAK users in the last 12 months.

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 £499 return.
•June (£972) and December (£811) 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 prices 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 25% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Milwaukee to London Heathrow Airport flights

Low season

October

Cheapest flight

£239
Best time to beat the crowds (3% less expensive on average)
Most popular time to fly (13% more expensive on average)
Flights 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 route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • 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 0h 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 £531 to £843, with an average of £665 over the past 12 months. Anything below £531 counts as a good deal.

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

    Last-minute fares on this route (booked within 2 weeks of departure) run 3% above the route average of £665. 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 £328, which is 9% 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

    Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 43% on the Milwaukee to London Heathrow Airport route. Monday is the cheapest departure day at £499 return on average, while Saturday is the most expensive at £867, a difference of £368. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 Monday departure instead of Saturday. On this route, Monday flights average £499 – about £368 less than Saturday (42% 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 25% 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 £499 return in that month – typically £473 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