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Cheap flights from Milwaukee to London Heathrow Airport from £286

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
30 Aug — 6 Sep1
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 31 July 2026.

Mon 23/1110:48
MKE
-
LHR
1 stop15h 07m
United Airlines
Wed 25/1106:50
LHR
-
MKE
2 stops14h 08m
United Airlines
Deal found 29/7£549
Wed 25/1118:18
MKE
-
LHR
1 stop11h 42m
United Airlines
Fri 27/1109:00
LHR
-
MKE
2 stops15h 58m
United Airlines
Deal found 29/7£553
Sun 22/1115:33
MKE
-
LHR
1 stop10h 22m
United Airlines
Tue 24/1106:50
LHR
-
MKE
2 stops14h 08m
United Airlines
Deal found 29/7£586
Wed 25/1118:18
MKE
-
LHR
2 stops16h 32m
Lufthansa
Fri 27/1108:45
LHR
-
MKE
2 stops18h 05m
Lufthansa
Deal found 29/7£619
Wed 28/1014:58
MKE
-
LHR
1 stop14h 27m
Iberia
Wed 11/1106:15
LHR
-
MKE
2 stops18h 19m
Iberia
Deal found 30/7£622
Tue 22/910:55
MKE
-
LHR
1 stop13h 35m
JetBlue
Mon 28/908:40
LHR
-
MKE
1 stop31h 22m
JetBlue
Deal found 30/7£626
Fri 25/910:55
MKE
-
LHR
1 stop13h 35m
JetBlue
Wed 30/908:40
LHR
-
MKE
1 stop31h 22m
JetBlue
Deal found 29/7£639
Mon 23/1114:55
MKE
-
LHR
1 stop11h 40m
Iberia
Fri 27/1107:30
LHR
-
MKE
2 stops17h 05m
Iberia
Deal found 29/7£642
Mon 2/1114:23
MKE
-
LHR
1 stop11h 32m
United Airlines
Fri 6/1111:10
LHR
-
MKE
2 stops17h 05m
United Airlines
Deal found 28/7£645
Tue 22/910:55
MKE
-
LHR
1 stop13h 35m
JetBlue
Tue 29/908:40
LHR
-
MKE
1 stop31h 22m
JetBlue
Deal found 27/7£646
Wed 28/1014:58
MKE
-
LHR
1 stop14h 27m
British Airways
Wed 11/1111:00
LHR
-
MKE
1 stop13h 34m
British Airways
Deal found 30/7£647

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 31 July 2026.

Round-trip from

£549

One-way from

£286

Popular in

June

Cheapest in

January

Average price

£972
United Airlines
  • United Airlines
  • 23/11-25/11
  • 3 total stops
  • 29h 15m total
  • Milwaukee to London
Search Deals
19/10
  • 19/10
  • 3 total stops
  • 33h 45m total
  • Milwaukee to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£145 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 31 July 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

Cheapest return flight

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 2/11

14:23-07:55

1 stop11h 32m

London Heathrow

Fri 6/11

06:50-17:38

2 stops16h 48m

£645
Fastest return journey

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 15/11

09:33-05:55

1 stop14h 22m

London Heathrow

Fri 27/11

07:40-14:58

1 stop13h 18m

£666

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 21/10

09:35-07:10

1 stop15h 35m

London Heathrow

Wed 28/10

09:50-21:09

1 stop16h 19m

£680

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 25/9

18:37-13:15

1 stop12h 38m

London Heathrow

Wed 30/9

11:45-20:50

2 stops15h 05m

£697

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 23/9

05:30-06:25

1 stop18h 55m

London Heathrow

Mon 28/9

06:30-15:07

2 stops14h 37m

£697

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 16/9

06:05-05:55

1 stop17h 50m

London Heathrow

Tue 22/9

06:50-15:11

2 stops14h 21m

£698

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 4/10

16:57-13:15

2 stops14h 18m

London Heathrow

Mon 12/10

06:30-14:30

2 stops14h 00m

£700

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 22/9

10:30-07:15

2 stops14h 45m

London Heathrow

Tue 29/9

06:50-17:40

2 stops16h 50m

£701
Cheapest one-way

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 7/9

08:20-08:05

2 stops17h 45m

£314

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 9/10

11:25-15:00

2 stops21h 35m

£316

Flights are sorted by cheapest return flights first.

Deals found on 28/7

Showing 1-10 of 13 resultsSorted by cheapest first
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

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 £492). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £1,006). 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.

How much does it cost for a return flight from Milwaukee to London Heathrow Airport?

Airfare is typical for this route at the moment.

Milwaukee to London Heathrow Airport flights typically cost between £461 and £704 in November.
The cheapest return price found within the last 5 days was £549 on United Airlines (23 Nov–25 Nov).

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 Delta fly from Milwaukee to London Heathrow Airport in about 11h 32m. The time it takes to get you to your destination can typically vary by up to 4h 03m. 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 £492). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £1,006). 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
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Swindon
Southend-on-Sea
Enfield
Kingston upon Thames
Poole
Southall

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

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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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