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

Delta, Virgin Atlantic, and KLM are the most popular carriers operating from Wisconsin to London

How long does it take to fly to London?

Flight times from Wisconsin to London vary, but if you’re flying out of Madison and flying into London Heathrow Airport (one of the most popular routes), then the duration is 10h 35m on average. Another popular route from Wisconsin to London is flying from Milwaukee to London Heathrow Airport, which will take roughly 11h 55m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Wisconsin to London are updated daily.

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

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.

What documentation or ID do you need to fly to London?

The travel and health documents required for your trip to London 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£254 Cheap Flights from Wisconsin to London in 2026/27

Find the cheapest flights from Wisconsin to London

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:15 - 10:25MSN Madison Truax Field-LHR London Heathrow

20h 10m2 stops Chicago O'Hare Intl Newark

09:00 - 22:18LHR London Heathrow-MSN Madison Truax Field

19h 18m2 stops Zurich Chicago O'Hare Intl

£605United Airlines

Sun, 7 Feb - Tue, 9 Feb

11:40 - 07:10MKE Milwaukee-Mitchell-LHR London Heathrow

37h 30m2 stops Newark Montreal Pierre Elliott Trudeau Intl

06:35 - 17:01LHR London Heathrow-MKE Milwaukee-Mitchell

16h 26m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

£609United Airlines

Sun, 28 Feb - Wed, 3 Mar

18:42 - 07:10MKE Milwaukee-Mitchell-LHR London Heathrow

30h 28m2 stops Newark Montreal Pierre Elliott Trudeau Intl

06:50 - 20:57LHR London Heathrow-MKE Milwaukee-Mitchell

20h 07m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£611United Airlines

Sun, 28 Feb - Wed, 3 Mar

18:05 - 07:55MSN Madison Truax Field-LHR London Heathrow

31h 50m1 stop Chicago O'Hare Intl

06:50 - 15:06LHR London Heathrow-MSN Madison Truax Field

14h 16m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£612United Airlines

Sat, 6 Feb - Tue, 9 Feb

19:00 - 07:55GRB Green Bay Austin-Straubel-LHR London Heathrow

30h 55m1 stop Chicago O'Hare Intl

06:50 - 22:59LHR London Heathrow-GRB Green Bay Austin-Straubel

22h 09m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£612United Airlines

Sun, 28 Feb - Wed, 3 Mar

17:31 - 07:55ATW Appleton Intl-LHR London Heathrow

32h 24m1 stop Chicago O'Hare Intl

06:50 - 19:25LHR London Heathrow-ATW Appleton Intl

18h 35m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£612United Airlines

Sun, 28 Feb - Wed, 3 Mar

18:50 - 19:40MSN Madison Truax Field-LHR London Heathrow

42h 50m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

17:30 - 20:54LHR London Heathrow-MSN Madison Truax Field

57h 24m2 stops Frankfurt am Main Chicago O'Hare Intl

£636Lufthansa

Sun, 4 Apr - Wed, 7 Apr

15:55 - 11:20MKE Milwaukee-Mitchell-LHR London Heathrow

13h 25m1 stop Atlanta Hartsfield-Jackson

20:55 - 15:04LHR London Heathrow-MKE Milwaukee-Mitchell

24h 09m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£664KLM

Mon, 5 Apr - Mon, 12 Apr

18:40 - 16:15MKE Milwaukee-Mitchell-LHR London Heathrow

15h 35m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

20:55 - 15:04LHR London Heathrow-MKE Milwaukee-Mitchell

24h 09m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

£670KLM

Mon, 5 Apr - Mon, 12 Apr

18:39 - 07:45MSN Madison Truax Field-LHR London Heathrow

55h 06m2 stops Chicago O'Hare Intl Frankfurt am Main

07:30 - 21:37LHR London Heathrow-MSN Madison Truax Field

20h 07m2 stops Frankfurt am Main Newark

£672Lufthansa

Mon, 22 Feb - Fri, 26 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:35 - 11:40MSN Madison Truax Field-LHR London Heathrow

18h 05m1 stop Atlanta Hartsfield-Jackson

06:30 - 17:35LHR London Heathrow-MSN Madison Truax Field

17h 05m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£729Delta

Tue, 10 Nov - Tue, 17 Nov

12:32 - 07:05ATW Appleton Intl-LHR London Heathrow

12h 33m1 stop Minneapolis St Paul

11:45 - 21:27LHR London Heathrow-ATW Appleton Intl

15h 42m2 stops Amsterdam Schiphol Minneapolis St Paul

£729Delta

Wed, 11 Nov - Wed, 18 Nov

13:24 - 09:00MSN Madison Truax Field-LHR London Heathrow

13h 36m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

08:40 - 17:35LHR London Heathrow-MSN Madison Truax Field

14h 55m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£732Delta

Tue, 10 Nov - Tue, 17 Nov

07:00 - 07:05ATW Appleton Intl-LHR London Heathrow

18h 05m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

08:40 - 21:27LHR London Heathrow-ATW Appleton Intl

18h 47m2 stops Amsterdam Schiphol Minneapolis St Paul

£732Delta

Wed, 11 Nov - Wed, 18 Nov

11:08 - 06:25ATW Appleton Intl-LHR London Heathrow

13h 17m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

10:00 - 21:27LHR London Heathrow-ATW Appleton Intl

17h 27m2 stops Amsterdam Schiphol Minneapolis St Paul

£733Delta

Wed, 11 Nov - Wed, 18 Nov

12:32 - 07:05ATW Appleton Intl-LHR London Heathrow

12h 33m1 stop Minneapolis St Paul

12:40 - 22:17LHR London Heathrow-ATW Appleton Intl

15h 37m1 stop Atlanta Hartsfield-Jackson

£751Air France

Wed, 11 Nov - Wed, 18 Nov

17:20 - 11:40MSN Madison Truax Field-LHR London Heathrow

12h 20m1 stop Atlanta Hartsfield-Jackson

11:20 - 21:13LHR London Heathrow-MSN Madison Truax Field

15h 53m1 stop Detroit Metropolitan Wayne County

£751Multiple Airlines

Tue, 10 Nov - Tue, 17 Nov

12:32 - 07:05ATW Appleton Intl-LHR London Heathrow

12h 33m1 stop Minneapolis St Paul

12:40 - 22:17LHR London Heathrow-ATW Appleton Intl

15h 37m1 stop Atlanta Hartsfield-Jackson

£752Air France

Wed, 11 Nov - Wed, 18 Nov

13:13 - 09:55MKE Milwaukee-Mitchell-LHR London Heathrow

14h 42m1 stop Boston Logan Intl

06:20 - 16:23LHR London Heathrow-MKE Milwaukee-Mitchell

16h 03m2 stops Paris Charles de Gaulle Minneapolis St Paul

£773Delta

Fri, 13 Nov - Fri, 20 Nov

10:53 - 07:45MKE Milwaukee-Mitchell-LHR London Heathrow

14h 52m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

06:20 - 16:23LHR London Heathrow-MKE Milwaukee-Mitchell

16h 03m2 stops Paris Charles de Gaulle Minneapolis St Paul

£776Delta

Fri, 13 Nov - Fri, 20 Nov

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United Airlines flights from Wisconsin to London

Our best United Airlines deals on Wisconsin to London flight tickets

United Airlines

7 Feb

MSN08:15Madison Truax Field

20h 10m

2 stops

LHR10:25London Heathrow

9 Feb

LHR09:00London Heathrow

19h 18m

2 stops

MSN22:18Madison Truax Field

£605

United Airlines

28 Feb

MKE11:40Milwaukee-Mitchell

37h 30m

2 stops

LHR07:10London Heathrow

3 Mar

LHR06:35London Heathrow

16h 26m

2 stops

MKE17:01Milwaukee-Mitchell

£609

United Airlines

28 Feb

MKE18:42Milwaukee-Mitchell

30h 28m

2 stops

LHR07:10London Heathrow

3 Mar

LHR06:50London Heathrow

20h 07m

2 stops

MKE20:57Milwaukee-Mitchell

£611

British Airways flights from Wisconsin to London

Our best British Airways deals on Wisconsin to London flight tickets

British Airways

20 Apr

GRB17:24Green Bay Austin-Straubel

13h 26m

1 stop

LHR12:50London Heathrow

26 Apr

LHR19:25London Heathrow

34h 06m

2 stops

GRB23:31Green Bay Austin-Straubel

£712

British Airways

21 Apr

MSN17:37Madison Truax Field

10h 53m

1 stop

LHR10:30London Heathrow

26 Apr

LHR19:25London Heathrow

30h 29m

2 stops

MSN19:54Madison Truax Field

£713

British Airways

17 Apr

GRB17:24Green Bay Austin-Straubel

31h 26m

1 stop

LHR06:50London Heathrow

24 May

LHR19:25London Heathrow

34h 28m

2 stops

GRB23:53Green Bay Austin-Straubel

£757

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Sun 7/2

08:15-10:25

2 stops20h 10m

London Heathrow

Tue 9/2

09:00-22:18

2 stops19h 18m

£605

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Sun 28/2

11:40-07:10

2 stops37h 30m

London Heathrow

Wed 3/3

06:35-17:01

2 stops16h 26m

£609

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Sun 28/2

18:42-07:10

2 stops30h 28m

London Heathrow

Wed 3/3

06:50-20:57

2 stops20h 07m

£611

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Sat 6/2

18:05-07:55

1 stop31h 50m

London Heathrow

Tue 9/2

06:50-15:06

2 stops14h 16m

£612

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Sun 28/2

19:00-07:55

1 stop30h 55m

London Heathrow

Wed 3/3

06:50-22:59

2 stops22h 09m

£612

AppletonLondon

ATW Appleton Intl - LHR London Heathrow

ATWLHR

Appleton Intl

Sun 28/2

17:31-07:55

1 stop32h 24m

London Heathrow

Wed 3/3

06:50-19:25

2 stops18h 35m

£612

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Sun 4/4

18:50-19:40

2 stops42h 50m

London Heathrow

Wed 7/4

17:30-20:54

2 stops57h 24m

£636

Fastest return journey

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 5/4

15:55-11:20

1 stop13h 25m

London Heathrow

Mon 12/4

20:55-15:04

2 stops24h 09m

£664

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 5/4

18:40-16:15

2 stops15h 35m

London Heathrow

Mon 12/4

20:55-15:04

2 stops24h 09m

£670

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Mon 22/2

18:39-07:45

2 stops55h 06m

London Heathrow

Fri 26/2

07:30-21:37

2 stops20h 07m

£672

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

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?

The cheapest month to fly to London from Wisconsin is in January. Flight prices, which tend to average around £544, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Wisconsin averaging around £614.

Can stopping save me money on Wisconsin to London flights?

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

Cheap Wisconsin to London flight deals and tips

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

Best price found	£254
Fastest flight time	7h 45m
Direct flights	None

The best one-way flight to London from Wisconsin in the past 72 hours is £254. The best return flight deal from Wisconsin to London found on momondo in the last 72 hours is £605.

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

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

Search flight deals

Frequently asked questions about flying from Wisconsin to London

When did momondo last update prices for flights from Wisconsin to London?
Prices for flights from Wisconsin to London are updated daily.
How old do you have to be to fly from Wisconsin to London?
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.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

Wembley

Gatwick

Milton Keynes

Southend-on-Sea

Luton

Ipswich

Slough

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Colchester

Chichester

Hayes

Bedford

Guildford

Harlow

Winchester

Why use momondo?

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

It is quick and easy to find Wisconsin to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Flights from Wisconsin to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Wisconsin to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.

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Cheap flights from Wisconsin to London from £254

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Wisconsin to London departing on 20/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Wisconsin to London

Our best United Airlines deals on Wisconsin to London flight tickets

British Airways flights from Wisconsin to London

Our best British Airways deals on Wisconsin to London flight tickets

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How to get the cheapest flight ticket from Wisconsin to London

What is the cheapest month to fly to London?

Can stopping save me money on Wisconsin to London flights?

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

How long does it take to fly to London?

Cheap Wisconsin to London flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Wisconsin to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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