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Cheap flights from Milwaukee to London Heathrow Airport from £175

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
1 Apr — 8 Apr1
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 2 March 2026.

Mon 9/1107:00
MKE
-
LHR
1 stop17h 20m
Delta
Wed 11/1106:20
LHR
-
MKE
2 stops16h 25m
Delta
Deal found 26/2£461
Wed 28/1014:50
MKE
-
LHR
2 stops13h 55m
Lufthansa
Tue 3/1111:10
LHR
-
MKE
2 stops17h 29m
Lufthansa
Deal found 27/2£493
Tue 31/313:15
MKE
-
LHR
1 stop11h 55m
Virgin Atlantic
Tue 7/410:45
LHR
-
MKE
1 stop13h 08m
Virgin Atlantic
Deal found 1/3£498
Tue 14/414:00
MKE
-
LHR
1 stop14h 30m
Iberia
Tue 21/406:15
LHR
-
MKE
2 stops17h 45m
Iberia
Deal found 28/2£501
Sun 9/805:10
MKE
-
LHR
1 stop19h 35m
United Airlines
Fri 21/806:50
LHR
-
MKE
2 stops19h 01m
United Airlines
Deal found 27/2£504
Sun 11/1012:14
MKE
-
LHR
1 stop17h 31m
United Airlines
Tue 20/1008:45
LHR
-
MKE
2 stops17h 06m
United Airlines
Deal found 27/2£505
Mon 9/1114:45
MKE
-
LHR
1 stop14h 55m
Delta
Fri 13/1110:00
LHR
-
MKE
2 stops16h 08m
Delta
Deal found 26/2£506
Wed 8/413:53
MKE
-
LHR
1 stop14h 37m
Iberia
Wed 15/420:00
LHR
-
MKE
2 stops27h 11m
Iberia
Deal found 1/3£510
Tue 14/410:45
MKE
-
LHR
2 stops13h 45m
Air Canada
Tue 21/409:30
LHR
-
MKE
2 stops18h 19m
Air Canada
Deal found 28/2£510

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 2 March 2026.

Round-trip from

£498

One-way from

£175

Popular in

June

Cheapest in

January

Average price

£621
Virgin Atlantic
  • Virgin Atlantic
  • 31/3-7/4
  • 2 total stops
  • 25h 03m total
  • Milwaukee to London
Search Deals
Delta
  • Delta
  • 20/7
  • 2 total stops
  • 15h 25m total
  • Milwaukee to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£103 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 2 March 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

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 31/3

12:13-06:45

1 stop12h 32m

London Heathrow

Tue 7/4

14:05-10:10

2 stops26h 05m

£511

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 9/8

07:30-06:45

1 stop17h 15m

London Heathrow

Thu 20/8

14:10-19:51

1 stop11h 41m

£526

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 26/8

05:05-06:30

2 stops19h 25m

London Heathrow

Sun 30/8

06:50-15:04

2 stops14h 14m

£544

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 1/5

13:46-10:40

2 stops14h 54m

London Heathrow

Wed 6/5

07:25-16:42

2 stops15h 17m

£545

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 26/8

06:00-06:30

2 stops18h 30m

London Heathrow

Mon 31/8

14:10-20:55

1 stop12h 45m

£556

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 26/8

13:05-06:50

1 stop11h 45m

London Heathrow

Mon 31/8

12:15-21:18

1 stop15h 03m

£561

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 3/4

19:41-11:45

1 stop10h 04m

London Heathrow

Mon 6/4

14:05-13:47

2 stops29h 42m

£586

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 3/4

16:47-09:05

1 stop10h 18m

London Heathrow

Mon 6/4

16:55-23:45

1 stop12h 50m

£600

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 19/3

17:51-11:05

1 stop12h 14m

London Heathrow

Thu 26/3

13:00-22:43

2 stops14h 43m

£600

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 7/8

10:38-06:45

1 stop14h 07m

London Heathrow

Wed 12/8

08:00-13:58

1 stop11h 58m

£619

Flights are sorted by cheapest return flights first.

Deals found on 26/2

Showing 1-10 of 17 resultsSorted by cheapest first
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 27 February 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 £665). 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 United Airlines and British Airways fly from Milwaukee to London Heathrow Airport in about 11h 45m. The time it takes to get you to your destination can typically vary by up to 2h 55m. 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 £665). 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
Wembley
Northampton
Luton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Chelmsford
Ipswich
Swindon
Bedford

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

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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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