How long does it take to fly to London?

If you’re flying from a popular airport in Wisconsin, such as Madison or Milwaukee, and flying into London, then you can expect flight times to average 10h 35m and 11h 55m, respectively.

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

What airlines fly to London?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to London from Wisconsin according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to London. Keep in mind that there are 6 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Wisconsin to London are refreshed on a daily basis.

How many operators does momondo search for flights from Wisconsin to London?

As of November 2026, there are 6 operators available to choose from for flights from Wisconsin to London.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$339 Cheap Flights from Wisconsin to London in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Wisconsin to London

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:15 am - 10:25 amMSN Madison Truax Field-LHR London Heathrow

20h 10m2 stops Chicago O'Hare Intl Newark

9:00 am - 10:18 pmLHR London Heathrow-MSN Madison Truax Field

19h 18m2 stops Zurich Chicago O'Hare Intl

$808United Airlines

Sun, Feb 7 - Tue, Feb 9

2:55 pm - 12:00 pmMSN Madison Truax Field-LHR London Heathrow

15h 05m1 stop Chicago O'Hare Intl

9:00 am - 11:15 pmLHR London Heathrow-MSN Madison Truax Field

20h 15m2 stops Zurich Chicago O'Hare Intl

$808United Airlines

Sun, Feb 7 - Tue, Feb 9

6:50 pm - 7:40 pmMSN Madison Truax Field-LHR London Heathrow

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

5:30 pm - 8:54 pmLHR London Heathrow-MSN Madison Truax Field

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

$849Lufthansa

Sun, Apr 4 - Wed, Apr 7

12:04 pm - 8:35 amLSE La Crosse-LHR London Heathrow

14h 31m1 stop Chicago O'Hare Intl

7:35 am - 6:52 pmLHR London Heathrow-LSE La Crosse

17h 17m2 stops Madrid Barajas Chicago O'Hare Intl

$877British Airways

Sun, Feb 28 - Wed, Mar 3

12:04 pm - 12:05 pmLSE La Crosse-LHR London Heathrow

18h 01m2 stops Chicago O'Hare Intl Madrid Barajas

7:35 am - 6:52 pmLHR London Heathrow-LSE La Crosse

17h 17m2 stops Madrid Barajas Chicago O'Hare Intl

$886British Airways

Sun, Feb 28 - Wed, Mar 3

3:55 pm - 11:20 amMKE Milwaukee-Mitchell-LHR London Heathrow

13h 25m1 stop Atlanta Hartsfield-Jackson

8:55 pm - 3:04 pmLHR London Heathrow-MKE Milwaukee-Mitchell

24h 09m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$887KLM

Mon, Apr 5 - Mon, Apr 12

6:40 pm - 4:15 pmMKE Milwaukee-Mitchell-LHR London Heathrow

15h 35m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

8:55 pm - 3:04 pmLHR London Heathrow-MKE Milwaukee-Mitchell

24h 09m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$895KLM

Mon, Apr 5 - Mon, Apr 12

6:39 pm - 7:45 amMSN Madison Truax Field-LHR London Heathrow

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

7:30 am - 9:37 pmLHR London Heathrow-MSN Madison Truax Field

20h 07m2 stops Frankfurt am Main Newark

$897Lufthansa

Mon, Feb 22 - Fri, Feb 26

12:20 pm - 11:40 amMKE Milwaukee-Mitchell-LHR London Heathrow

17h 20m1 stop Atlanta Hartsfield-Jackson

6:30 am - 4:45 pmLHR London Heathrow-MKE Milwaukee-Mitchell

16h 15m2 stops Amsterdam Schiphol Minneapolis St Paul

$899Delta

Mon, Mar 8 - Fri, Mar 12

7:00 am - 7:50 amMKE Milwaukee-Mitchell-LHR London Heathrow

18h 50m1 stop Atlanta Hartsfield-Jackson

8:40 am - 6:05 pmLHR London Heathrow-MKE Milwaukee-Mitchell

15h 25m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$899Delta

Wed, Feb 24 - Tue, Mar 2

Cheap last minute flights

Enter your travel dates to find the best prices.

11:35 am - 11:40 amMSN Madison Truax Field-LHR London Heathrow

18h 05m1 stop Atlanta Hartsfield-Jackson

6:30 am - 5:35 pmLHR London Heathrow-MSN Madison Truax Field

17h 05m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$974Delta

Tue, Nov 10 - Tue, Nov 17

6:05 am - 7:05 amATW Appleton Intl-LHR London Heathrow

19h 00m1 stop Minneapolis St Paul

8:40 am - 10:17 pmLHR London Heathrow-ATW Appleton Intl

19h 37m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$974Delta

Wed, Nov 11 - Wed, Nov 18

12:32 pm - 7:05 amATW Appleton Intl-LHR London Heathrow

12h 33m1 stop Minneapolis St Paul

12:40 pm - 10:17 pmLHR London Heathrow-ATW Appleton Intl

15h 37m1 stop Atlanta Hartsfield-Jackson

$1,003Air France

Wed, Nov 11 - Wed, Nov 18

5:20 pm - 11:40 amMSN Madison Truax Field-LHR London Heathrow

12h 20m1 stop Atlanta Hartsfield-Jackson

11:20 am - 9:13 pmLHR London Heathrow-MSN Madison Truax Field

15h 53m1 stop Detroit Metropolitan Wayne County

$1,003Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

1:13 pm - 6:50 amMKE Milwaukee-Mitchell-LHR London Heathrow

11h 37m1 stop Boston Logan Intl

9:50 am - 4:23 pmLHR London Heathrow-MKE Milwaukee-Mitchell

12h 33m1 stop Minneapolis St Paul

$1,054Virgin Atlantic

Fri, Nov 13 - Fri, Nov 20

5:30 am - 7:50 amGRB Green Bay Austin-Straubel-LHR London Heathrow

20h 20m1 stop Atlanta Hartsfield-Jackson

9:50 am - 10:04 pmLHR London Heathrow-GRB Green Bay Austin-Straubel

18h 14m1 stop Minneapolis St Paul

$1,104KLM

Thu, Nov 12 - Mon, Nov 16

2:23 pm - 7:55 amMKE Milwaukee-Mitchell-LHR London Heathrow

11h 32m1 stop Chicago O'Hare Intl

6:50 am - 5:43 pmLHR London Heathrow-MKE Milwaukee-Mitchell

16h 53m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$1,206United Airlines

Sat, Nov 14 - Sat, Nov 21

3:52 pm - 7:55 amMSN Madison Truax Field-LHR London Heathrow

10h 03m1 stop Chicago O'Hare Intl

6:50 am - 7:07 pmLHR London Heathrow-MSN Madison Truax Field

18h 17m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

$1,206United Airlines

Sat, Nov 14 - Sat, Nov 21

6:52 pm - 8:35 amLSE La Crosse-LHR London Heathrow

31h 43m1 stop Chicago O'Hare Intl

12:35 pm - 12:20 amLHR London Heathrow-LSE La Crosse

17h 45m1 stop Chicago O'Hare Intl

$1,382British Airways

Sat, Nov 14 - Fri, Nov 20

12:24 pm - 10:25 amLSE La Crosse-LHR London Heathrow

16h 01m1 stop Chicago O'Hare Intl

6:45 pm - 6:20 pmLHR London Heathrow-LSE La Crosse

29h 35m2 stops Madrid Barajas Chicago O'Hare Intl

$1,395British Airways

Sat, Nov 14 - Fri, Nov 20

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United Airlines flights from Wisconsin to London

Our best United Airlines deals on Wisconsin to London flight tickets

United Airlines

Feb 7

MSN8:15 amMadison Truax Field

20h 10m

2 stops

LHR10:25 amLondon Heathrow

Feb 9

LHR9:00 amLondon Heathrow

19h 18m

2 stops

MSN10:18 pmMadison Truax Field

$808

United Airlines

Feb 28

MKE11:40 amMilwaukee-Mitchell

37h 30m

2 stops

LHR7:10 amLondon Heathrow

Mar 3

LHR6:35 amLondon Heathrow

16h 26m

2 stops

MKE5:01 pmMilwaukee-Mitchell

$813

United Airlines

Feb 28

MKE6:42 pmMilwaukee-Mitchell

30h 28m

2 stops

LHR7:10 amLondon Heathrow

Mar 3

LHR6:50 amLondon Heathrow

20h 07m

2 stops

MKE8:57 pmMilwaukee-Mitchell

$816

American Airlines flights from Wisconsin to London

Our best American Airlines deals on Wisconsin to London flight tickets

American Airlines

Apr 14

CWA2:13 pmWausau Central Wisconsin

16h 37m

1 stop

LHR12:50 pmLondon Heathrow

Apr 30

LHR12:30 pmLondon Heathrow

17h 18m

1 stop

CWA11:48 pmWausau Central Wisconsin

$939

American Airlines

Nov 30

CWA11:34 amWausau Central Wisconsin

16h 26m

1 stop

LHR10:00 amLondon Heathrow

Dec 15

LHR12:35 pmLondon Heathrow

17h 52m

1 stop

CWA12:27 amWausau Central Wisconsin

$1,003

American Airlines

Nov 30

CWA4:51 pmWausau Central Wisconsin

11h 09m

1 stop

LHR10:00 amLondon Heathrow

Dec 9

LHR11:00 amLondon Heathrow

19h 27m

1 stop

CWA12:27 amWausau Central Wisconsin

$1,004

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Sun 2/7

8:15 am-10:25 am

2 stops20h 10m

London Heathrow

Tue 2/9

9:00 am-10:18 pm

2 stops19h 18m

$808

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Sun 2/7

2:55 pm-12:00 pm

1 stop15h 05m

London Heathrow

Tue 2/9

9:00 am-11:15 pm

2 stops20h 15m

$808

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Sun 4/4

6:50 pm-7:40 pm

2 stops42h 50m

London Heathrow

Wed 4/7

5:30 pm-8:54 pm

2 stops57h 24m

$849

Quickest round-trip

La CrosseLondon

LSE La Crosse - LHR London Heathrow

LSELHR

La Crosse

Sun 2/28

12:04 pm-8:35 am

1 stop14h 31m

London Heathrow

Wed 3/3

7:35 am-6:52 pm

2 stops17h 17m

$877

La CrosseLondon

LSE La Crosse - LHR London Heathrow

LSELHR

La Crosse

Sun 2/28

12:04 pm-12:05 pm

2 stops18h 01m

London Heathrow

Wed 3/3

7:35 am-6:52 pm

2 stops17h 17m

$886

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 4/5

3:55 pm-11:20 am

1 stop13h 25m

London Heathrow

Mon 4/12

8:55 pm-3:04 pm

2 stops24h 09m

$887

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 4/5

6:40 pm-4:15 pm

2 stops15h 35m

London Heathrow

Mon 4/12

8:55 pm-3:04 pm

2 stops24h 09m

$895

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Mon 2/22

6:39 pm-7:45 am

2 stops55h 06m

London Heathrow

Fri 2/26

7:30 am-9:37 pm

2 stops20h 07m

$897

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 3/8

12:20 pm-11:40 am

1 stop17h 20m

London Heathrow

Fri 3/12

6:30 am-4:45 pm

2 stops16h 15m

$899

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Wed 2/24

7:00 am-7:50 am

1 stop18h 50m

London Heathrow

Tue 3/2

8:40 am-6:05 pm

2 stops15h 25m

$899

Flights are sorted by cheapest round-trip 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 $726, 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 $820.

Can stopping save me money on Wisconsin to London flights?

You could potentially save up to 16% 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	$339
Fastest flight time	7h 45m
Direct flights	None

The best one-way flight to London from Wisconsin in the past 72 hours is $339. The best round-trip flight deal from Wisconsin to London found on momondo in the last 72 hours is $808.

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 refreshed on a daily basis.
How many operators does momondo search for flights from Wisconsin to London?
As of November 2026, there are 6 operators available to choose from for flights from Wisconsin to London.
How old do you have to be to fly from Wisconsin to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Wisconsin to London

Compare and see reviews for airlines that fly from Wisconsin to London with momondo

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom $337	Free Cancellation	Rating 7.5 698 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $624	Free Cancellation	Rating 6.7 8,287 reviews	Search British Airways flights
Delta	PriceFrom $634	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
KLM	PriceFrom $656	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
American Airlines	PriceFrom $663	Free Cancellation	Rating 7.0 12,226 reviews	Search American Airlines flights
United Airlines	PriceFrom $670	Free Cancellation	Rating 7.3 10,477 reviews	Search United Airlines flights

Hounslow

Gatwick

Croydon

Hayes

Milton Keynes

Luton

Stansted

Kingston upon Thames

Watford

Richmond

Dover

Wembley

Crawley

Worthing

Harrow

Brentford

Canterbury

Hook

Dunstable

Eastbourne

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Wisconsin.

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

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

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?

If you are not ready to book a flight from Wisconsin to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

An easier way to manage your London trip

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

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Cheap flights from Wisconsin to London from $339

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 2/15. 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

American Airlines flights from Wisconsin to London

Our best American Airlines deals on Wisconsin to London flight tickets

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

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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?

What airlines fly 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

Best airlines flying from Wisconsin to London

Compare and see reviews for airlines that fly from Wisconsin to London with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organize 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

Fly your favorite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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.

Popular cities in the United Kingdom

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

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