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Cheap flights from Milwaukee to London from £173

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to London departing on 20/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Milwaukee to London

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
06:00 - 06:45
MKE
-
LHR
18h 45m
1 stop
United Airlines Logo
07:25 - 18:39
LHR
-
MKE
17h 14m
2 stops
£494United Airlines
Tue, 25 Aug - Tue, 1 Sep
United Airlines Logo
10:45 - 06:55
MKE
-
LHR
14h 10m
2 stops
United Airlines Logo
07:25 - 18:39
LHR
-
MKE
17h 14m
2 stops
£497United Airlines
Tue, 25 Aug - Tue, 1 Sep
Iberia Logo
14:00 - 10:30
MKE
-
LHR
14h 30m
1 stop
Iberia Logo
06:15 - 18:00
LHR
-
MKE
17h 45m
2 stops
£498Iberia
Tue, 14 Apr - Tue, 21 Apr
British Airways Logo
16:26 - 12:15
MKE
-
LHR
13h 49m
1 stop
British Airways Logo
19:25 - 23:40
LHR
-
MKE
34h 15m
2 stops
£501British Airways
Sun, 19 Apr - Mon, 27 Apr
United Airlines Logo
12:13 - 10:15
MKE
-
LHR
16h 02m
2 stops
United Airlines Logo
17:50 - 16:47
LHR
-
MKE
28h 57m
2 stops
£503United Airlines
Sun, 19 Apr - Mon, 27 Apr
British Airways Logo
13:05 - 11:15
MKE
-
LHR
16h 10m
1 stop
British Airways Logo
12:15 - 19:57
LHR
-
MKE
13h 42m
1 stop
£503British Airways
Tue, 25 Aug - Tue, 1 Sep
Iberia Logo
14:00 - 10:35
MKE
-
LHR
14h 35m
2 stops
Iberia Logo
06:15 - 20:06
LHR
-
MKE
19h 51m
2 stops
£504Iberia
Tue, 14 Apr - Tue, 21 Apr
Air Canada Logo
10:45 - 06:30
MKE
-
LHR
13h 45m
2 stops
Air Canada Logo
09:30 - 21:49
LHR
-
MKE
18h 19m
2 stops
£507Air Canada
Tue, 14 Apr - Tue, 21 Apr
United Airlines Logo
17:30 - 11:45
MKE
-
LHR
12h 15m
1 stop
United Airlines Logo
09:30 - 10:10
LHR
-
MKE
30h 40m
2 stops
£508United Airlines
Sun, 29 Mar - Tue, 7 Apr
Air Canada Logo
14:32 - 06:45
MKE
-
LHR
10h 13m
1 stop
Air Canada Logo
12:05 - 21:49
LHR
-
MKE
15h 44m
2 stops
£509Air Canada
Tue, 14 Apr - Tue, 21 Apr

British Airways flights from Milwaukee to London Heathrow Airport

Our best British Airways deals on Milwaukee to London Heathrow Airport flight tickets
British Airways
19 Apr
MKE16:26Milwaukee-Mitchell
13h 49m
1 stop
LHR12:15London Heathrow
27 Apr
LHR19:25London Heathrow
34h 15m
2 stops
MKE23:40Milwaukee-Mitchell
£501
British Airways
14 Apr
MKE16:26Milwaukee-Mitchell
12h 04m
1 stop
LHR10:30London Heathrow
21 Apr
LHR12:15London Heathrow
13h 51m
1 stop
MKE20:06Milwaukee-Mitchell
£519
British Airways
6 May
MKE16:26Milwaukee-Mitchell
12h 49m
1 stop
LHR11:15London Heathrow
10 May
LHR09:45London Heathrow
19h 55m
1 stop
MKE23:40Milwaukee-Mitchell
£541

Air Canada flights from Milwaukee to London Heathrow Airport

Our best Air Canada deals on Milwaukee to London Heathrow Airport flight tickets
Air Canada
14 Apr
MKE10:45Milwaukee-Mitchell
13h 45m
2 stops
LHR06:30London Heathrow
21 Apr
LHR09:30London Heathrow
18h 19m
2 stops
MKE21:49Milwaukee-Mitchell
£507
Air Canada
14 Apr
MKE14:32Milwaukee-Mitchell
10h 13m
1 stop
LHR06:45London Heathrow
21 Apr
LHR12:05London Heathrow
15h 44m
2 stops
MKE21:49Milwaukee-Mitchell
£509
Air Canada
12 Aug
MKE07:30Milwaukee-Mitchell
19h 05m
2 stops
LHR08:35London Heathrow
21 Aug
LHR17:40London Heathrow
34h 56m
2 stops
MKE22:36Milwaukee-Mitchell
£511

momondo Fare Finder

 
Customise your flight search to find flights from Milwaukee to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 28 February 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

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 25/8

06:00-06:45

1 stop18h 45m

London Heathrow

Tue 1/9

07:25-18:39

2 stops17h 14m

£494

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 25/8

10:45-06:55

2 stops14h 10m

London Heathrow

Tue 1/9

07:25-18:39

2 stops17h 14m

£497

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 14/4

14:00-10:30

1 stop14h 30m

London Heathrow

Tue 21/4

06:15-18:00

2 stops17h 45m

£498

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 19/4

16:26-12:15

1 stop13h 49m

London Heathrow

Mon 27/4

19:25-23:40

2 stops34h 15m

£501

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 19/4

12:13-10:15

2 stops16h 02m

London Heathrow

Mon 27/4

17:50-16:47

2 stops28h 57m

£503

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 25/8

13:05-11:15

1 stop16h 10m

London Heathrow

Tue 1/9

12:15-19:57

1 stop13h 42m

£503

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 14/4

14:00-10:35

2 stops14h 35m

London Heathrow

Tue 21/4

06:15-20:06

2 stops19h 51m

£504

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 14/4

10:45-06:30

2 stops13h 45m

London Heathrow

Tue 21/4

09:30-21:49

2 stops18h 19m

£507

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Sun 29/3

17:30-11:45

1 stop12h 15m

London Heathrow

Tue 7/4

09:30-10:10

2 stops30h 40m

£508

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 14/4

14:32-06:45

1 stop10h 13m

London Heathrow

Tue 21/4

12:05-21:49

2 stops15h 44m

£509

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Milwaukee to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

In general, January is the cheapest month to fly from Milwaukee to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £488. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Milwaukee averaging around £546.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Milwaukee when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £649 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Milwaukee for as low as £531 on momondo.

When to book flights from Milwaukee to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Milwaukee to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Milwaukee to London Heathrow Airport (MKE to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Milwaukee to London Heathrow Airport

Fastest flight time

10h 39m

Direct flights

None
The fastest flight from Milwaukee to London Heathrow Airport takes 10h 39m
There are no direct flights from Milwaukee to London Heathrow Airport. There are no popular flight routes from Milwaukee to London Heathrow Airport.
Search flight deals

  • How far is Milwaukee-Mitchell to London Heathrow by plane?

    A flight from Milwaukee-Mitchell to London Heathrow will travel around 3890.5 mi. Flights usually cover this in 10h 39m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Milwaukee-Mitchell Airport to London Heathrow Airport?

    Prices for flights from Milwaukee-Mitchell Airport to London Heathrow Airport are updated daily.

  • How old do you have to be to fly from Milwaukee-Mitchell Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Milwaukee-Mitchell Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Northampton
Stratford-upon-Avon
Swindon
Southend-on-Sea
Ipswich
Canterbury
Ilford
Poole
Guildford
Chelmsford
Wembley
Hayes
Dover
Folkestone

Why use momondo?

Why should I use momondo to find a flight deal from Milwaukee to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Milwaukee to London for you.

Can I find flights from Milwaukee to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Milwaukee with this policy.

How can momondo help me find flights from Milwaukee to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Milwaukee to London.

I’m not ready to book a flight from Milwaukee to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Milwaukee to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London Heathrow Airport trip

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