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Cheap flights from Milwaukee to London Heathrow Airport from £247

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 16/11. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
14 Nov — 21 Nov1
1 adult
1 adult, Economy

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 15 October 2025.

Round-trip from

£445

One-way from

£247

Popular in

June

Cheapest in

November

Average price

£563
Delta
  • Delta
  • 4/11-11/11
  • 3 total stops
  • 35h 50m total
  • Milwaukee to London
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16/11
  • 16/11
  • 3 total stops
  • 35h 11m total
  • Milwaukee to London
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Highest demand for flights based on searches. 15% potential increase in price (£95 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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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 15 October 2025.

Tue 21/1017:22MKE - LHR
1 stop14h 08mDelta
Thu 30/1009:00LHR - MKE
2 stops17h 47mDelta
Deal found 14/10£445
Wed 12/1114:42MKE - LHR
2 stops12h 03mVirgin Atlantic
Wed 19/1106:30LHR - MKE
2 stops15h 47mVirgin Atlantic
Deal found 13/10£449
Tue 4/1116:49MKE - LHR
1 stop9h 56mDelta
Tue 11/1112:40LHR - MKE
1 stop13h 27mDelta
Deal found 14/10£451
Mon 10/1111:49MKE - LHR
2 stops23h 51mScandinavian Airlines
Mon 17/1121:05LHR - MKE
3 stops29h 02mScandinavian Airlines
Deal found 13/10£457
Tue 4/1117:13MKE - LHR
2 stops31h 57mMultiple Airlines
Tue 11/1111:10LHR - MKE
2 stops16h 49mMultiple Airlines
Deal found 13/10£465
Mon 10/1107:00MKE - LHR
1 stop17h 55mDelta
Mon 17/1106:30LHR - MKE
2 stops17h 31mDelta
Deal found 13/10£467
Tue 4/1112:04MKE - LHR
1 stop11h 51mUnited Airlines
Tue 11/1111:10LHR - MKE
2 stops16h 49mUnited Airlines
Deal found 14/10£472
Wed 26/1106:05MKE - LHR
2 stops19h 05mUnited Airlines
Wed 3/1206:50LHR - MKE
2 stops16h 22mUnited Airlines
Deal found 12/10£473
Thu 27/1110:00MKE - LHR
2 stops24h 00mScandinavian Airlines
Thu 4/1206:40LHR - MKE
2 stops19h 42mScandinavian Airlines
Deal found 13/10£474

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 15 October 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 12/11

11:37-07:50

1 stop14h 13m

London Heathrow

Wed 19/11

06:20-17:49

2 stops17h 29m

£445

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 12/11

11:49-06:50

1 stop13h 01m

London Heathrow

Wed 19/11

13:00-20:30

1 stop13h 30m

£451

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/11

16:49-08:45

1 stop9h 56m

London Heathrow

Thu 13/11

15:50-23:55

1 stop14h 05m

£451

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 10/11

11:49-17:40

2 stops23h 51m

London Heathrow

Mon 17/11

21:05-20:07

3 stops29h 02m

£457

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/11

12:04-05:55

1 stop11h 51m

London Heathrow

Tue 11/11

11:10-21:59

2 stops16h 49m

£472

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/11

07:00-05:55

1 stop16h 55m

London Heathrow

Wed 12/11

11:10-22:43

2 stops17h 33m

£472

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 5/1

10:15-07:05

1 stop14h 50m

London Heathrow

Sat 17/1

08:40-21:32

2 stops18h 52m

£473

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 26/11

06:05-07:10

2 stops19h 05m

London Heathrow

Wed 3/12

06:50-17:12

2 stops16h 22m

£473

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 27/11

10:00-16:00

2 stops24h 00m

London Heathrow

Thu 4/12

06:40-20:22

2 stops19h 42m

£474

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 26/10

14:45-05:55

1 stop10h 10m

£303

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 17 results
1
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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 10 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 £294). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £676). 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, KLM, and Scandinavian Airlines fly from Milwaukee to London Heathrow Airport in about 13h 01m. The time it takes to get you to your destination can typically vary by up to 10h 50m. 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 £294). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £676). 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
Wembley
Deal
Ilford
Crawley
Hayes
Watford
Winchester
Swindon
Chichester
Romford
Ipswich
Brentford
Dartford

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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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