How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Wisconsin, such as Milwaukee or Madison, and flying into London Heathrow Airport, then you can expect flight times to average 10h 40m and 11h 10m, respectively.

What is the cheapest airline that flies from Wisconsin to London Heathrow?

Air Canada, Aer Lingus, and Delta are the most popular carriers operating from Wisconsin to London Heathrow

When did momondo last update prices for flights from Wisconsin to London Heathrow Airport?

Prices for flights from Wisconsin to London Heathrow Airport are updated daily.

How old do you have to be to fly from Wisconsin to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wisconsin 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.

£252 Cheap Flights from Wisconsin to London Heathrow Airport in 2026/27

Find the cheapest flights from Wisconsin to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

19:20 - 12:00MKE Milwaukee-Mitchell-LHR London Heathrow

10h 40m1 stop Chicago O'Hare Intl

06:50 - 18:53LHR London Heathrow-MKE Milwaukee-Mitchell

18h 03m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£604United Airlines

Mon, 1 Mar - Wed, 3 Mar

15:47 - 11:55ATW Appleton Intl-LHR London Heathrow

14h 08m1 stop Chicago O'Hare Intl

06:50 - 15:10LHR London Heathrow-ATW Appleton Intl

14h 20m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£604United Airlines

Sun, 11 Apr - Tue, 13 Apr

13:10 - 10:00ATW Appleton Intl-LHR London Heathrow

14h 50m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

06:55 - 17:53LHR London Heathrow-ATW Appleton Intl

16h 58m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

£605United Airlines

Sun, 11 Apr - Tue, 13 Apr

14:23 - 09:10MKE Milwaukee-Mitchell-LHR London Heathrow

12h 47m2 stops Chicago O'Hare Intl Newark

06:50 - 15:18LHR London Heathrow-MKE Milwaukee-Mitchell

14h 28m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£608United Airlines

Mon, 1 Mar - Wed, 3 Mar

15:50 - 07:55MKE Milwaukee-Mitchell-LHR London Heathrow

10h 05m1 stop Chicago O'Hare Intl

06:35 - 16:43LHR London Heathrow-MKE Milwaukee-Mitchell

16h 08m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

£652United Airlines

Mon, 1 Mar - Wed, 3 Mar

12:14 - 09:10MKE Milwaukee-Mitchell-LHR London Heathrow

14h 56m2 stops Chicago O'Hare Intl Newark

06:35 - 16:43LHR London Heathrow-MKE Milwaukee-Mitchell

16h 08m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

£655United Airlines

Mon, 1 Mar - Wed, 3 Mar

12:20 - 06:25MKE Milwaukee-Mitchell-LHR London Heathrow

12h 05m1 stop Atlanta Hartsfield-Jackson

08:40 - 21:09LHR London Heathrow-MKE Milwaukee-Mitchell

18h 29m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£667Delta

Wed, 13 Jan - Tue, 19 Jan

11:11 - 09:00MSN Madison Truax Field-LHR London Heathrow

15h 49m1 stop Atlanta Hartsfield-Jackson

06:30 - 16:37LHR London Heathrow-MSN Madison Truax Field

16h 07m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£667Delta

Wed, 13 Jan - Tue, 19 Jan

10:30 - 06:20MKE Milwaukee-Mitchell-LHR London Heathrow

13h 50m1 stop New York LaGuardia

06:30 - 16:07LHR London Heathrow-MKE Milwaukee-Mitchell

15h 37m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£668Delta

Wed, 13 Jan - Thu, 21 Jan

17:17 - 11:40MSN Madison Truax Field-LHR London Heathrow

12h 23m1 stop Atlanta Hartsfield-Jackson

11:45 - 20:45LHR London Heathrow-MSN Madison Truax Field

15h 00m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£668Delta

Wed, 13 Jan - Thu, 21 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:29 - 09:15MKE Milwaukee-Mitchell-LHR London Heathrow

15h 46m1 stop Boston Logan Intl

08:55 - 17:45LHR London Heathrow-MKE Milwaukee-Mitchell

13h 50m1 stop Atlanta Hartsfield-Jackson

£785Delta

Mon, 19 Oct - Sun, 25 Oct

05:51 - 06:25MSN Madison Truax Field-LHR London Heathrow

18h 34m1 stop Atlanta Hartsfield-Jackson

09:50 - 20:55LHR London Heathrow-MSN Madison Truax Field

16h 05m1 stop Minneapolis St Paul

£785KLM

Mon, 19 Oct - Sun, 25 Oct

11:29 - 09:15MKE Milwaukee-Mitchell-LHR London Heathrow

15h 46m1 stop Boston Logan Intl

08:55 - 20:06LHR London Heathrow-MKE Milwaukee-Mitchell

16h 11m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

£787Virgin Atlantic

Mon, 19 Oct - Sun, 25 Oct

06:00 - 07:10MSN Madison Truax Field-LHR London Heathrow

19h 10m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

09:50 - 22:57LHR London Heathrow-MSN Madison Truax Field

18h 07m1 stop Minneapolis St Paul

£788Delta

Mon, 19 Oct - Sun, 25 Oct

11:29 - 07:40MKE Milwaukee-Mitchell-LHR London Heathrow

14h 11m2 stops Boston Logan Intl Amsterdam Schiphol

08:55 - 20:06LHR London Heathrow-MKE Milwaukee-Mitchell

16h 11m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

£794Delta

Mon, 19 Oct - Sun, 25 Oct

18:35 - 19:40MSN Madison Truax Field-LHR London Heathrow

19h 05m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

20:15 - 23:07LHR London Heathrow-MSN Madison Truax Field

31h 52m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

£877Lufthansa

Mon, 19 Oct - Sun, 25 Oct

12:42 - 07:15MKE Milwaukee-Mitchell-LHR London Heathrow

12h 33m1 stop Atlanta Hartsfield-Jackson

10:45 - 18:04LHR London Heathrow-MKE Milwaukee-Mitchell

13h 19m1 stop Detroit Metropolitan Wayne County

£1,000Delta

Sat, 17 Oct - Fri, 23 Oct

12:42 - 07:15MKE Milwaukee-Mitchell-LHR London Heathrow

12h 33m1 stop Atlanta Hartsfield-Jackson

10:45 - 18:04LHR London Heathrow-MKE Milwaukee-Mitchell

13h 19m1 stop Detroit Metropolitan Wayne County

£1,001Delta

Sat, 17 Oct - Fri, 23 Oct

09:35 - 06:25MKE Milwaukee-Mitchell-LHR London Heathrow

14h 50m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

12:25 - 19:30LHR London Heathrow-MKE Milwaukee-Mitchell

13h 05m1 stop Minneapolis St Paul

£1,004Delta

Sat, 17 Oct - Fri, 23 Oct

12:42 - 07:15MKE Milwaukee-Mitchell-LHR London Heathrow

12h 33m1 stop Atlanta Hartsfield-Jackson

06:30 - 18:04LHR London Heathrow-MKE Milwaukee-Mitchell

17h 34m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£1,159Delta

Sat, 17 Oct - Fri, 23 Oct

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KLM flights from Wisconsin to London Heathrow Airport

Our best KLM deals on Wisconsin to London Heathrow Airport flight tickets

KLM

27 Nov

MKE12:42Milwaukee-Mitchell

13h 08m

1 stop

LHR07:50London Heathrow

4 Dec

LHR11:45London Heathrow

15h 46m

2 stops

MKE21:31Milwaukee-Mitchell

£719

KLM

17 Feb

MKE15:55Milwaukee-Mitchell

13h 45m

1 stop

LHR11:40London Heathrow

21 Feb

LHR11:20London Heathrow

15h 49m

1 stop

MKE21:09Milwaukee-Mitchell

£729

KLM

12 Jan

GRB05:30Green Bay Austin-Straubel

20h 20m

1 stop

LHR07:50London Heathrow

24 Jan

LHR11:20London Heathrow

15h 17m

1 stop

GRB20:37Green Bay Austin-Straubel

£729

Air France flights from Wisconsin to London Heathrow Airport

Our best Air France deals on Wisconsin to London Heathrow Airport flight tickets

Air France

11 Apr

ATW17:20Appleton Intl

14h 25m

2 stops

LHR13:45London Heathrow

16 Apr

LHR11:30London Heathrow

15h 12m

2 stops

ATW20:42Appleton Intl

£680

Air France

11 Apr

ATW11:10Appleton Intl

14h 00m

1 stop

LHR07:10London Heathrow

13 Apr

LHR09:20London Heathrow

18h 38m

1 stop

ATW21:58Appleton Intl

£695

Air France

11 Nov

ATW12:32Appleton Intl

12h 33m

1 stop

LHR07:05London Heathrow

18 Nov

LHR12:40London Heathrow

15h 37m

1 stop

ATW22:17Appleton Intl

£709

momondo Fare Finder

Use the filters below to find and compare flights from Wisconsin to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 1/3

19:20-12:00

1 stop10h 40m

London Heathrow

Wed 3/3

06:50-18:53

2 stops18h 03m

£604

AppletonLondon

ATW Appleton Intl - LHR London Heathrow

ATWLHR

Appleton Intl

Sun 11/4

15:47-11:55

1 stop14h 08m

London Heathrow

Tue 13/4

06:50-15:10

2 stops14h 20m

£604

AppletonLondon

ATW Appleton Intl - LHR London Heathrow

ATWLHR

Appleton Intl

Sun 11/4

13:10-10:00

2 stops14h 50m

London Heathrow

Tue 13/4

06:55-17:53

2 stops16h 58m

£605

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 1/3

14:23-09:10

2 stops12h 47m

London Heathrow

Wed 3/3

06:50-15:18

2 stops14h 28m

£608

Fastest return journey

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 1/3

15:50-07:55

1 stop10h 05m

London Heathrow

Wed 3/3

06:35-16:43

2 stops16h 08m

£652

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 1/3

12:14-09:10

2 stops14h 56m

London Heathrow

Wed 3/3

06:35-16:43

2 stops16h 08m

£655

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Wed 13/1

12:20-06:25

1 stop12h 05m

London Heathrow

Tue 19/1

08:40-21:09

2 stops18h 29m

£667

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Wed 13/1

11:11-09:00

1 stop15h 49m

London Heathrow

Tue 19/1

06:30-16:37

2 stops16h 07m

£667

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Wed 13/1

10:30-06:20

1 stop13h 50m

London Heathrow

Thu 21/1

06:30-16:07

2 stops15h 37m

£668

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Wed 13/1

17:17-11:40

1 stop12h 23m

London Heathrow

Thu 21/1

11:45-20:45

2 stops15h 00m

£668

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Wisconsin 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

Prices

Airlines

Other information

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

In general, January is the cheapest month to fly from Wisconsin to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £541. The month of April is another great option to travel to London Heathrow Airport, with average flight prices from Wisconsin averaging around £606.

Can stopping save me money on Wisconsin to London Heathrow Airport flights?

You could potentially save up to 34% on your flight if you consider stops on a Wisconsin to London Heathrow Airport flight.

Cheap Wisconsin to London Heathrow Airport flight deals and tips

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

Best price found	£252
Fastest flight time	7h 45m
Direct flights	None

The best one-way flight to London Heathrow Airport from Wisconsin in the past 72 hours is £252. The best return flight deal from Wisconsin to London Heathrow Airport found on momondo in the last 72 hours is £604.

The fastest flight from Wisconsin to London Heathrow Airport takes 7h 45m

There are no direct flights from Wisconsin to London Heathrow Airport. There are no popular flight routes from Wisconsin to London Heathrow Airport.

Search flight deals

Frequently asked questions about flying from Wisconsin to London Heathrow Airport

When did momondo last update prices for flights from Wisconsin to London Heathrow Airport?
Prices for flights from Wisconsin to London Heathrow Airport are updated daily.
How old do you have to be to fly from Wisconsin to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wisconsin 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.

Eastbourne

Wembley

Gatwick

Milton Keynes

Stratford-upon-Avon

Southend-on-Sea

Luton

Northampton

Ipswich

Slough

Swindon

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Poole

Salisbury

Chichester

Colchester

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Wisconsin to London . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Wisconsin to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Wisconsin.

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

Yes. momondo can track prices for Wisconsin 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.