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Cheap flights from Milwaukee to London Heathrow Airport from £242

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
4 Jun — 11 Jun1
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 5 May 2026.

Sun 13/918:41
MKE
-
LHR
1 stop11h 34m
Iberia
Wed 23/906:15
LHR
-
MKE
2 stops19h 22m
Iberia
Deal found 30/4£637
Mon 21/907:00
MKE
-
LHR
2 stops29h 30m
Scandinavian Airlines
Mon 19/1007:05
LHR
-
MKE
2 stops19h 03m
Scandinavian Airlines
Deal found 4/5£638
Sat 5/907:00
MKE
-
LHR
2 stops29h 30m
Scandinavian Airlines
Thu 10/907:05
LHR
-
MKE
2 stops19h 04m
Scandinavian Airlines
Deal found 30/4£640
Tue 6/1020:16
MKE
-
LHR
1 stop9h 59m
British Airways
Wed 14/1006:15
LHR
-
MKE
2 stops19h 25m
British Airways
Deal found 2/5£642
Mon 5/1013:00
MKE
-
LHR
1 stop12h 10m
Delta
Tue 13/1008:40
LHR
-
MKE
2 stops18h 29m
Delta
Deal found 2/5£648
Sun 13/917:00
MKE
-
LHR
2 stops13h 05m
Delta
Wed 23/906:30
LHR
-
MKE
2 stops17h 32m
Delta
Deal found 30/4£651
Tue 4/815:59
MKE
-
LHR
1 stop15h 06m
Virgin Atlantic
Thu 20/806:15
LHR
-
MKE
2 stops17h 46m
Virgin Atlantic
Deal found 4/5£653
Mon 2/1107:00
MKE
-
LHR
3 stops20h 20m
Scandinavian Airlines
Mon 9/1106:40
LHR
-
MKE
2 stops19h 28m
Scandinavian Airlines
Deal found 1/5£654
Tue 4/813:15
MKE
-
LHR
1 stop11h 35m
British Airways
Thu 20/812:15
LHR
-
MKE
1 stop14h 45m
British Airways
Deal found 4/5£658

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 5 May 2026.

Round-trip from

£637

One-way from

£242

Popular in

June

Cheapest in

January

Average price

£670
Iberia
  • Iberia
  • 13/9-23/9
  • 3 total stops
  • 30h 56m total
  • Milwaukee to London
Search Deals
British Airways
  • British Airways
  • 26/8
  • 1 total stop
  • 13h 48m total
  • Milwaukee to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£116 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 May 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 5 May 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 5/10

13:00-07:10

1 stop12h 10m

London Heathrow

Tue 13/10

08:40-21:09

2 stops18h 29m

£648

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/8

15:59-13:05

1 stop15h 06m

London Heathrow

Thu 20/8

06:15-18:01

2 stops17h 46m

£653

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 4/10

15:15-13:05

1 stop15h 50m

London Heathrow

Thu 15/10

10:45-16:07

1 stop11h 22m

£669
Fastest return journey

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 4/10

13:00-07:10

1 stop12h 10m

London Heathrow

Mon 12/10

10:45-16:07

1 stop11h 22m

£706

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 22/9

12:20-06:25

1 stop12h 05m

London Heathrow

Sat 17/10

15:15-23:24

1 stop14h 09m

£706

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 4/9

07:00-06:25

1 stop17h 25m

London Heathrow

Sat 12/9

08:40-20:09

2 stops17h 29m

£721

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 4/8

06:45-16:00

2 stops27h 15m

London Heathrow

Thu 20/8

19:30-19:24

3 stops29h 54m

£783

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 20/9

15:03-07:40

1 stop10h 37m

London Heathrow

Tue 20/10

07:50-19:40

2 stops17h 50m

£790

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 4/9

06:00-06:30

2 stops18h 30m

London Heathrow

Sat 12/9

06:50-16:46

2 stops15h 56m

£821

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sat 1/8

16:59-12:05

2 stops13h 06m

London Heathrow

Sun 9/8

10:45-21:42

2 stops16h 57m

£856

Flights are sorted by cheapest return flights first.

Deals found on 3/5

Showing 1-10 of 21 resultsSorted by cheapest first
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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?

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, January is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of £486). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £995). 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 and Virgin Atlantic fly from Milwaukee to London Heathrow Airport in about 12h 10m. The time it takes to get you to your destination can typically vary by up to 2h 56m. 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 £486). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £995). 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
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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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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