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Cheap flights from Milwaukee to London Heathrow Airport from £245

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
15 Jul — 22 Jul1
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 15 June 2026.

Tue 15/920:14
MKE
-
LHR
1 stop10h 01m
Iberia
Wed 23/906:15
LHR
-
MKE
2 stops19h 48m
Iberia
Deal found 15/6£641
Tue 22/920:14
MKE
-
LHR
2 stops15h 01m
Iberia
Tue 29/906:15
LHR
-
MKE
2 stops19h 48m
Iberia
Deal found 11/6£647
Mon 21/915:59
MKE
-
LHR
1 stop15h 06m
Delta
Fri 25/909:55
LHR
-
MKE
2 stops16h 15m
Delta
Deal found 11/6£651
Tue 22/909:38
MKE
-
LHR
1 stop15h 32m
Delta
Tue 29/909:55
LHR
-
MKE
2 stops16h 15m
Delta
Deal found 12/6£652
Wed 23/914:48
MKE
-
LHR
1 stop10h 52m
Multiple Airlines
Mon 28/919:25
LHR
-
MKE
2 stops32h 34m
Multiple Airlines
Deal found 11/6£659
Tue 22/914:48
MKE
-
LHR
1 stop12h 17m
British Airways
Tue 29/912:15
LHR
-
MKE
1 stop12h 06m
British Airways
Deal found 11/6£660
Wed 2/1213:00
MKE
-
LHR
2 stops15h 15m
Virgin Atlantic
Wed 9/1211:30
LHR
-
MKE
2 stops15h 39m
Virgin Atlantic
Deal found 13/6£661
Mon 2/1119:03
MKE
-
LHR
1 stop10h 32m
British Airways
Mon 9/1119:05
LHR
-
MKE
2 stops28h 38m
British Airways
Deal found 12/6£665
Tue 1/909:36
MKE
-
LHR
1 stop14h 54m
JetBlue
Wed 9/908:40
LHR
-
MKE
1 stop31h 55m
JetBlue
Deal found 14/6£668

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 15 June 2026.

Round-trip from

£641

One-way from

£245

Popular in

June

Cheapest in

January

Average price

£990
Iberia
  • Iberia
  • 22/9-29/9
  • 3 total stops
  • 30h 40m total
  • Milwaukee to London
Search Deals
British Airways
  • British Airways
  • 30/9
  • 1 total stop
  • 10h 52m total
  • Milwaukee to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£110 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 15 June 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

Tue 22/9

09:38-07:10

1 stop15h 32m

London Heathrow

Tue 29/9

09:55-20:10

2 stops16h 15m

£652

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sat 3/10

18:39-07:15

1 stop30h 36m

London Heathrow

Wed 21/10

10:45-16:07

1 stop11h 22m

£677
Fastest return journey

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 2/10

12:48-06:25

1 stop11h 37m

London Heathrow

Wed 21/10

11:15-20:48

1 stop15h 33m

£711

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 2/11

07:00-09:20

3 stops20h 20m

London Heathrow

Mon 9/11

21:05-20:08

3 stops29h 03m

£760

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 15/7

16:47-13:15

2 stops14h 28m

London Heathrow

Mon 20/7

06:30-16:02

2 stops15h 32m

£850

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sat 1/8

12:56-06:25

1 stop11h 29m

London Heathrow

Sun 9/8

06:30-18:08

2 stops17h 38m

£860

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sat 18/7

16:57-13:15

2 stops14h 18m

London Heathrow

Sat 25/7

06:30-18:16

2 stops17h 46m

£863

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 9/7

12:58-11:20

1 stop16h 22m

London Heathrow

Mon 13/7

06:30-16:02

2 stops15h 32m

£892
Cheapest one-way
Fastest single journey

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 30/9

14:48-07:40

1 stop10h 52m

£245

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 21/9

13:20-09:15

2 stops13h 55m

£249

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 15 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

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 £491). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £990). 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?

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, United Airlines, and Scandinavian Airlines fly from Milwaukee to London Heathrow Airport in about 15h 32m. The time it takes to get you to your destination can typically vary by up to 4h 48m. 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 £491). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £990). 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
Wembley
Luton
Gatwick
Slough
Ilford
Croydon
Hayes
Brentford
Colchester
Northampton
Kingston upon Thames
Eastbourne
Watford
Swindon
Ipswich
Poole
Guildford
Romford

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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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