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Cheap flights from Milwaukee to London Heathrow Airport from £208

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
6 Mar — 13 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 4 February 2026.

Thu 5/314:57
MKE
-
LHR
1 stop10h 08m
Virgin Atlantic
Thu 12/311:45
LHR
-
MKE
2 stops13h 55m
Virgin Atlantic
Deal found 3/2£463
Mon 2/315:59
MKE
-
LHR
1 stop13h 41m
Delta
Wed 11/306:30
LHR
-
MKE
2 stops17h 10m
Delta
Deal found 2/2£465
Mon 2/309:44
MKE
-
LHR
2 stops39h 26m
Multiple Airlines
Wed 11/308:45
LHR
-
MKE
2 stops18h 05m
Multiple Airlines
Deal found 3/2£465
Thu 5/309:31
MKE
-
LHR
2 stops15h 24m
Delta
Thu 12/306:30
LHR
-
MKE
2 stops17h 10m
Delta
Deal found 3/2£467
Mon 2/309:44
MKE
-
LHR
1 stop14h 11m
United Airlines
Wed 11/306:35
LHR
-
MKE
2 stops16h 03m
United Airlines
Deal found 3/2£469
Tue 3/211:30
MKE
-
LHR
1 stop12h 25m
United Airlines
Tue 10/206:50
LHR
-
MKE
2 stops14h 53m
United Airlines
Deal found 2/2£471
Wed 4/313:25
MKE
-
LHR
2 stops14h 20m
Lufthansa
Thu 16/410:50
LHR
-
MKE
2 stops17h 25m
Lufthansa
Deal found 3/2£471
Tue 3/208:33
MKE
-
LHR
2 stops16h 37m
Multiple Airlines
Tue 10/206:35
LHR
-
MKE
2 stops21h 24m
Multiple Airlines
Deal found 2/2£473
Sun 19/416:25
MKE
-
LHR
1 stop14h 50m
Delta
Tue 28/409:55
LHR
-
MKE
2 stops16h 03m
Delta
Deal found 4/2£474
Sun 29/307:00
MKE
-
LHR
1 stop17h 45m
Delta
Wed 8/408:40
LHR
-
MKE
2 stops18h 00m
Delta
Deal found 3/2£475
Sun 29/307:00
MKE
-
LHR
1 stop17h 20m
Delta
Tue 7/408:55
LHR
-
MKE
2 stops15h 45m
Delta
Deal found 3/2£480

Find 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 4 February 2026.

Round-trip from

£463

One-way from

£208

Popular in

June

Cheapest in

January

Average price

£609
Virgin Atlantic
  • Virgin Atlantic
  • 5/3-12/3
  • 3 total stops
  • 24h 03m total
  • Milwaukee to London
Search Deals
Delta
  • Delta
  • 20/5
  • 2 total stops
  • 13h 04m total
  • Milwaukee to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£95 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 4 February 2026.
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

Sun 19/4

16:25-13:15

1 stop14h 50m

London Heathrow

Tue 28/4

09:55-19:58

2 stops16h 03m

£474

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 5/3

13:21-08:45

1 stop13h 24m

London Heathrow

Thu 12/3

08:55-23:58

1 stop20h 03m

£484

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 31/3

10:51-05:55

1 stop13h 04m

London Heathrow

Wed 8/4

07:30-18:47

2 stops17h 17m

£490

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 16/3

13:25-08:25

2 stops14h 00m

London Heathrow

Tue 24/3

08:00-18:43

2 stops15h 43m

£494

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 19/4

18:50-13:15

1 stop12h 25m

London Heathrow

Tue 28/4

11:15-23:57

1 stop18h 42m

£495

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 31/3

12:27-06:45

1 stop12h 18m

London Heathrow

Wed 8/4

09:40-18:40

1 stop15h 00m

£496

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 3/4

06:45-07:10

1 stop18h 25m

London Heathrow

Tue 7/4

08:55-18:40

2 stops15h 45m

£517

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 2/4

13:15-07:10

1 stop11h 55m

London Heathrow

Tue 7/4

08:55-18:40

2 stops15h 45m

£517

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 2/4

10:45-06:55

2 stops14h 10m

London Heathrow

Tue 7/4

06:50-18:47

2 stops17h 57m

£520

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 14/5

12:41-06:25

1 stop11h 44m

£252

Flights are sorted by cheapest return flights first.

Deals found on 3/2

Showing 1-10 of 19 results
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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 30 January 2026.

Booking 45 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 £292). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £655). 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 Delta, Virgin Atlantic, and United Airlines fly from Milwaukee to London Heathrow Airport in about 13h 04m. The time it takes to get you to your destination can typically vary by up to 1h 46m. Airlines will cover a distance of 3894 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 £292). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £655). 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
Luton
Northampton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Swindon
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames

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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.

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