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Cheap flights from Milwaukee to London Heathrow Airport from £235

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 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
22 May — 29 May1
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 22 April 2026.

Mon 5/1020:16
MKE
-
LHR
1 stop9h 59m
Iberia
Wed 14/1007:50
LHR
-
MKE
2 stops17h 50m
Iberia
Deal found 18/4£639
Tue 6/1007:00
MKE
-
LHR
2 stops27h 00m
Scandinavian Airlines
Thu 15/1007:05
LHR
-
MKE
2 stops19h 03m
Scandinavian Airlines
Deal found 19/4£640
Tue 6/1020:16
MKE
-
LHR
1 stop9h 59m
Iberia
Thu 15/1007:50
LHR
-
MKE
2 stops17h 50m
Iberia
Deal found 19/4£642
Mon 5/1015:01
MKE
-
LHR
1 stop13h 49m
British Airways
Wed 14/1006:15
LHR
-
MKE
2 stops19h 25m
British Airways
Deal found 21/4£650
Tue 13/1007:00
MKE
-
LHR
1 stop21h 20m
Delta
Wed 21/1006:30
LHR
-
MKE
2 stops16h 15m
Delta
Deal found 20/4£650
Mon 5/1017:00
MKE
-
LHR
2 stops14h 15m
Delta
Wed 14/1006:30
LHR
-
MKE
2 stops16h 15m
Delta
Deal found 21/4£653
Sat 17/1007:00
MKE
-
LHR
2 stops32h 40m
Scandinavian Airlines
Mon 2/1106:40
LHR
-
MKE
2 stops19h 28m
Scandinavian Airlines
Deal found 21/4£655
Mon 2/1107:00
MKE
-
LHR
3 stops20h 20m
Scandinavian Airlines
Mon 9/1106:40
LHR
-
MKE
2 stops19h 28m
Scandinavian Airlines
Deal found 21/4£656
Tue 6/1016:49
MKE
-
LHR
1 stop12h 01m
British Airways
Thu 15/1014:45
LHR
-
MKE
1 stop12h 33m
British Airways
Deal found 19/4£660
Sun 16/819:37
MKE
-
LHR
1 stop10h 38m
British Airways
Thu 20/812:15
LHR
-
MKE
1 stop13h 42m
British Airways
Deal found 17/4£661

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 22 April 2026.

Round-trip from

£639

One-way from

£235

Popular in

June

Cheapest in

January

Average price

£573
Iberia
  • Iberia
  • 5/10-14/10
  • 3 total stops
  • 27h 49m total
  • Milwaukee to London
Search Deals
British Airways
  • British Airways
  • 16/8
  • 1 total stop
  • 14h 00m 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 (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 22 April 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

15:01-10:50

1 stop13h 49m

London Heathrow

Wed 14/10

06:15-19:40

2 stops19h 25m

£650

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 19/10

12:20-06:25

1 stop12h 05m

London Heathrow

Mon 2/11

06:30-16:45

2 stops16h 15m

£687

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 8/7

09:37-06:45

2 stops15h 08m

London Heathrow

Fri 24/7

15:15-23:56

1 stop14h 41m

£925

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 28/5

17:01-13:15

2 stops14h 14m

London Heathrow

Thu 11/6

08:40-19:43

2 stops17h 03m

£955

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 7/8

09:37-06:45

2 stops15h 08m

London Heathrow

Mon 10/8

08:55-18:57

2 stops16h 02m

£974

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 9/7

13:20-07:10

1 stop11h 50m

London Heathrow

Mon 13/7

06:30-15:09

2 stops14h 39m

£996

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sat 6/6

12:43-07:15

1 stop12h 32m

London Heathrow

Sat 13/6

06:15-16:04

2 stops15h 49m

£1,001

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 22/7

10:39-06:55

2 stops14h 16m

London Heathrow

Sun 26/7

07:45-16:42

2 stops14h 57m

£1,011
Fastest return journey

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 16/7

11:35-06:45

1 stop13h 10m

London Heathrow

Sat 25/7

10:45-16:02

1 stop11h 17m

£1,018

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 15/7

10:53-08:35

2 stops15h 42m

London Heathrow

Sat 25/7

14:05-10:09

2 stops26h 04m

£1,023

Flights are sorted by cheapest return flights first.

Deals found on 21/4

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?

Use this chart to determine the optimal time to book a return flight from Milwaukee to Heathrow. Price data was last updated on 17 April 2026.

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, January is the cheapest month in which you can book a flight from Milwaukee to London Heathrow Airport (average of £488). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £998). 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 13h 05m. The time it takes to get you to your destination can typically vary by up to 2h 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 £488). Flying from Milwaukee to London Heathrow Airport in June is currently the most expensive (average of £998). 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
Hounslow
Northampton
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
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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