Find flights
When to book
FAQs

Cheap flights from Milwaukee to London Heathrow Airport from £337

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Milwaukee to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 6 November 2025.

Round-trip from

£446

One-way from

£337

Popular in

June

Cheapest in

November

Average price

£558
Virgin Atlantic
  • Virgin Atlantic
  • 5/12-12/12
  • 2 total stops
  • 26h 48m total
  • Milwaukee to London
Search Deals
Lufthansa
  • Lufthansa
  • 13/12
  • 1 total stop
  • 15h 45m total
  • Milwaukee to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£100 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Milwaukee to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Milwaukee to Heathrow
Explore the most affordable flight options available from Milwaukee to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2025.

Sun 9/1111:37MKE - LHR
1 stop12h 48mVirgin Atlantic
Tue 25/1115:50LHR - MKE
1 stop14h 05mVirgin Atlantic
Deal found 5/11£431
Sun 9/1109:36MKE - LHR
2 stops16h 29mDelta
Tue 25/1106:20LHR - MKE
2 stops17h 29mDelta
Deal found 5/11£456
Wed 10/1215:17MKE - LHR
1 stop11h 43mKLM
Wed 17/1215:50LHR - MKE
1 stop14h 04mKLM
Deal found 5/11£457
Wed 10/1210:25MKE - LHR
1 stop16h 35mVirgin Atlantic
Wed 17/1213:05LHR - MKE
1 stop14h 21mVirgin Atlantic
Deal found 4/11£458
Thu 6/1112:06MKE - LHR
1 stop13h 44mVirgin Atlantic
Mon 10/1117:50LHR - MKE
2 stops36h 05mVirgin Atlantic
Deal found 6/11£460
Wed 10/1205:45MKE - LHR
1 stop20h 05mDelta
Wed 17/1210:45LHR - MKE
2 stops15h 45mDelta
Deal found 5/11£461
Wed 19/1111:49MKE - LHR
1 stop13h 01mDelta
Mon 24/1117:35LHR - MKE
2 stops28h 42mDelta
Deal found 3/11£462
Sun 9/1113:22MKE - LHR
2 stops48h 48mVirgin Atlantic
Sun 16/1119:40LHR - MKE
1 stop28h 21mVirgin Atlantic
Deal found 4/11£466
Fri 5/1217:18MKE - LHR
1 stop12h 22mKLM
Fri 12/1215:50LHR - MKE
1 stop14h 04mKLM
Deal found 5/11£476

Cheapflights Fare Finder

 
Customise your flight search to find flights from Milwaukee to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 6 November 2025.
Use the filters below to find and compare flights from Milwaukee to London Heathrow Airport that are best for you.

Fly from

Milwaukee

Fly to

Heathrow

Route

Depart

Return

Price

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 10/12

10:25-09:00

1 stop16h 35m

London Heathrow

Wed 17/12

09:40-21:21

2 stops17h 41m

£461

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 19/11

11:49-06:50

1 stop13h 01m

London Heathrow

Mon 24/11

17:35-16:17

2 stops28h 42m

£462

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 5/12

17:18-11:40

1 stop12h 22m

London Heathrow

Fri 12/12

15:50-23:54

1 stop14h 04m

£476

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 5/12

11:29-06:50

2 stops13h 21m

London Heathrow

Fri 12/12

11:05-18:51

1 stop13h 46m

£480

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 20/2

15:57-09:00

1 stop11h 03m

London Heathrow

Mon 23/2

06:30-18:15

2 stops17h 45m

£480

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 20/2

07:02-09:20

2 stops20h 18m

London Heathrow

Mon 23/2

06:40-20:38

2 stops19h 58m

£482

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sat 21/2

09:31-06:50

2 stops15h 19m

London Heathrow

Sat 28/2

08:40-20:23

2 stops17h 43m

£484

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 16/3

08:30-05:55

1 stop16h 25m

London Heathrow

Tue 24/3

06:50-18:48

2 stops16h 58m

£487

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 18/11

15:13-11:40

1 stop14h 27m

London Heathrow

Sun 23/11

06:20-20:30

2 stops20h 10m

£491

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 18/11

12:12-08:45

2 stops14h 33m

London Heathrow

Sun 23/11

06:30-16:17

2 stops15h 47m

£496

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 17 results
1
2

Best time to book a flight from Milwaukee to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Milwaukee with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Milwaukee to London Heathrow Airport

How far ahead should I book a flight from Milwaukee to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Milwaukee to Heathrow. Price data was last updated on 31 October 2025.

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Milwaukee to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Milwaukee to London Heathrow Airport?

Currently, May is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of £306). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £691). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Milwaukee to London Heathrow?

    Located just 6.4 mi from the city center, Milwaukee-Mitchell is the airport most travelers will use when flying to London Heathrow from Milwaukee. Booking flights from Milwaukee-Mitchell (MKE) to London Heathrow should be relatively easy as there are 0 daily outbound flights to London Heathrow from 0 different airlines.

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

    Airlines like Virgin Atlantic, Delta, and KLM fly from Milwaukee to London Heathrow Airport in about 12h 22m. The time it takes to get you to your destination can typically vary by up to 4h 13m. Airlines will cover a distance of 3894 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Milwaukee to London Heathrow Airport one-way?

    The cheapet airlines for a one-way flight from Milwaukee to London Heathrow Airport are Lufthansa (£337), Air Canada (£407), and United Airlines (£409).

  • Can I find deals for flights from Milwaukee to Heathrow that include hotel bookings?

    Yes. In addition to deals on Milwaukee to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Milwaukee to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Milwaukee to Heathrow.

  • Can I find deals for business class flights from Milwaukee to Heathrow?

    Yes. Cheapflights offers flight deals from Milwaukee to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Milwaukee to London Heathrow Airport?

    Currently, May is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of £306). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £691). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Milwaukee to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Milwaukee today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Milwaukee to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Milwaukee by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Milwaukee to Heathrow with no change fees?

Yes, we can. To see specific flights from Milwaukee to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Milwaukee to Heathrow become cheaper?

Yes! Start tracking prices for Milwaukee to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.