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Cheap flights from Milwaukee to London Heathrow Airport from £254

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

£523

One-way from

£254

Popular in

June

Cheapest in

November

Average price

£648
Scandinavian Airlines
  • Scandinavian Airlines
  • 17/10-22/10
  • 4 total stops
  • 39h 37m total
  • Milwaukee to London
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30/9
  • 30/9
  • 3 total stops
  • 47h 38m total
  • Milwaukee to London
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Highest demand for flights based on searches. 15% potential increase in price (£91 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 August 2025
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Find flight deals from Milwaukee to Heathrow

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 29 August 2025.

Fri 17/1007:00MKE - LHR
2 stops20h 35mScandinavian Airlines
Wed 22/1007:05LHR - MKE
2 stops19h 02mScandinavian Airlines
Deal found 28/8£523
Wed 15/1007:00MKE - LHR
2 stops20h 35mScandinavian Airlines
Mon 20/1019:50LHR - MKE
2 stops30h 17mScandinavian Airlines
Deal found 28/8£531
Tue 18/1111:49MKE - LHR
2 stops24h 41mScandinavian Airlines
Wed 26/1110:20LHR - MKE
2 stops39h 47mScandinavian Airlines
Deal found 28/8£532
Wed 5/1107:00MKE - LHR
2 stops18h 10mAir Canada
Thu 20/1113:25LHR - MKE
2 stops30h 33mAir Canada
Deal found 28/8£538
Mon 10/1115:49MKE - LHR
2 stops33h 21mAir Canada
Wed 26/1113:25LHR - MKE
2 stops26h 53mAir Canada
Deal found 28/8£542
Wed 3/1207:00MKE - LHR
2 stops18h 10mAir Canada
Thu 18/1218:00LHR - MKE
2 stops30h 53mAir Canada
Deal found 28/8£543
Tue 18/1108:44MKE - LHR
2 stops16h 26mMultiple Airlines
Tue 2/1220:15LHR - MKE
2 stops31h 32mMultiple Airlines
Deal found 28/8£545
Tue 4/1115:49MKE - LHR
1 stop10h 06mUnited Airlines
Thu 20/1108:30LHR - MKE
2 stops16h 17mUnited Airlines
Deal found 28/8£546
Tue 11/1115:49MKE - LHR
1 stop10h 06mUnited Airlines
Wed 26/1106:50LHR - MKE
2 stops14h 17mUnited Airlines
Deal found 28/8£547
Tue 18/1111:49MKE - LHR
3 stops25h 01mScandinavian Airlines
Tue 2/1206:40LHR - MKE
2 stops19h 27mScandinavian Airlines
Deal found 28/8£548
Fri 7/1107:00MKE - LHR
3 stops20h 20mScandinavian Airlines
Wed 12/1106:40LHR - MKE
2 stops19h 27mScandinavian Airlines
Deal found 27/8£549
Mon 22/910:50MKE - LHR
2 stops13h 05mUnited Airlines
Tue 30/906:50LHR - MKE
2 stops14h 19mUnited Airlines
Deal found 29/8£551

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 29 August 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 15/10

07:00-09:35

2 stops20h 35m

London Heathrow

Mon 20/10

19:50-20:07

2 stops30h 17m

£531

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 18/11

11:49-18:30

2 stops24h 41m

London Heathrow

Wed 26/11

10:20-20:07

2 stops39h 47m

£532

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 23/9

10:50-09:35

2 stops16h 45m

London Heathrow

Tue 30/9

14:05-17:06

2 stops33h 01m

£538

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 16/2

13:30-07:10

2 stops11h 40m

London Heathrow

Tue 3/3

13:25-14:49

2 stops31h 24m

£538

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sat 11/10

16:38-06:30

1 stop31h 52m

London Heathrow

Sat 18/10

08:25-15:43

1 stop13h 18m

£538

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 10/2

08:33-07:10

2 stops16h 37m

London Heathrow

Tue 17/2

13:25-18:47

2 stops35h 22m

£538

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 19/11

10:53-05:55

1 stop13h 02m

London Heathrow

Tue 25/11

13:25-13:58

2 stops30h 33m

£538

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 26/11

07:00-07:10

2 stops18h 10m

London Heathrow

Wed 10/12

13:25-13:44

2 stops30h 19m

£538

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 5/11

07:00-07:10

2 stops18h 10m

London Heathrow

Tue 18/11

13:25-13:58

2 stops30h 33m

£538

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 11/2

11:30-07:10

2 stops13h 40m

London Heathrow

Tue 17/2

13:25-16:35

2 stops33h 10m

£538

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 20 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 22 August 2025.

Booking 72 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, January is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of £112). Flying from Milwaukee to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Scandinavian Airlines, Air Canada, and United Airlines fly from Milwaukee to London Heathrow Airport in about 11h 40m. The time it takes to get you to your destination can typically vary by up to 8h 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, January is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of £112). Flying from Milwaukee to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Gatwick
Slough
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Ipswich
Chichester
Winchester
Eastbourne
Swindon
Dartford

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

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

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