How long is the flight from Wisconsin to London Heathrow Airport?

For as low as £668, United Airlines can have you in London Heathrow Airport from Wisconsin in 10h 28m. Wisconsin and London Heathrow Airport are separated by a distance of 3894 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Wisconsin to London Heathrow Airport?

When deciding which route to take from Wisconsin to London Heathrow Airport consider Chicago O'Hare Intl - London Heathrow, Minneapolis St Paul - London Heathrow or Milwaukee-Mitchell - London Heathrow as they are the most popular.

What is the cheapest time of day to fly from WI to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Wisconsin to London Heathrow Airport as you normally would.

Can I find deals for flights from Wisconsin to Heathrow that include hotel bookings?

Yes. In addition to deals on Wisconsin to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Wisconsin to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wisconsin to Heathrow.

Can I find deals for business class flights from Wisconsin to Heathrow?

Yes. Cheapflights offers flight deals from Wisconsin 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.

£253+ Cheap Flights from Wisconsin to London Heathrow Airport

Cheap flight deals from Wisconsin to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Wisconsin to Heathrow
Explore the most affordable flight options available from Wisconsin to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 November 2026.

Sun 6/1205:20 -

1 stop19h 05m

Wed 16/1206:30 -

2 stops16h 06m

Deal found 30/10£688

Tue 1/1205:20 -

1 stop19h 05m

Tue 8/1211:45 -

2 stops14h 37m

Deal found 27/10£689

Wed 2/1209:32 -

2 stops15h 18m

Wed 9/1210:00 -

2 stops16h 22m

Deal found 28/10£692

Sun 29/1106:30 -

1 stop18h 35m

Tue 15/1206:20 -

2 stops16h 16m

Deal found 28/10£694

Sun 6/1215:18 -

1 stop11h 42m

Tue 15/1209:50 -

1 stop12h 46m

Deal found 30/10£711

Sun 29/1110:53 -

1 stop14h 12m

Tue 8/1211:20 -

1 stop12h 42m

Deal found 27/10£712

Sat 28/1118:45 -

1 stop31h 00m

Wed 9/1211:20 -

1 stop12h 42m

Deal found 27/10£715

Tue 3/1108:00 -

1 stop18h 35m

Tue 10/1108:40 -

2 stops15h 25m

Deal found 29/10£726

Fri 27/1105:30 -

1 stop20h 20m

Fri 4/1206:30 -

2 stops20h 59m

Deal found 30/10£726

Tue 17/1110:20 -

1 stop15h 30m

Tue 24/1106:30 -

2 stops17h 35m

Deal found 31/10£727

Wed 25/1113:24 -

1 stop11h 26m

Sat 5/1208:40 -

2 stops20h 12m

Deal found 28/10£727

Wed 18/1105:30 -

1 stop18h 55m

Wed 25/1108:40 -

2 stops19h 37m

Deal found 28/10£727

Best flights from Wisconsin to Heathrow
Discover carefully curated flight deals from Wisconsin to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 November 2026.

Wed 3/318:39 -

1 stop11h 21m

Fri 5/306:50 -

2 stops14h 10m

Deal found 28/10£606

Tue 2/215:22 -

1 stop10h 28m

Tue 9/208:40 -

2 stops15h 23m

Deal found 30/10£668

Wed 2/1209:32 -

2 stops15h 18m

Wed 9/1210:00 -

2 stops16h 22m

Deal found 28/10£692

Sun 21/315:55 -

1 stop14h 45m

Mon 29/312:25 -

1 stop15h 12m

Deal found 28/10£731

Tue 20/407:00 -

3 stops20h 35m

Mon 26/406:40 -

3 stops19h 57m

Deal found 30/10£846

Sun 13/1211:28 -

1 stop15h 07m

Sun 20/1215:40 -

1 stop32h 15m

Deal found 29/10£952

Wed 14/405:45 -

1 stop19h 40m

Wed 21/406:30 -

2 stops16h 07m

Deal found 30/10£672

Wed 24/312:19 -

2 stops13h 21m

Fri 2/406:50 -

2 stops20h 10m

Deal found 28/10£706

Tue 20/410:25 -

1 stop14h 00m

Mon 26/412:25 -

1 stop15h 12m

Deal found 30/10£733

Sun 18/409:26 -

1 stop15h 44m

Sun 25/412:25 -

1 stop12h 40m

Deal found 27/10£734

Mon 22/307:00 -

2 stops19h 20m

Tue 30/306:30 -

2 stops20h 12m

Deal found 28/10£673

Mon 1/311:40 -

1 stop14h 45m

Wed 3/307:40 -

1 stop16h 13m

Deal found 31/10£726

Wed 28/413:00 -

2 stops13h 50m

Wed 5/508:40 -

2 stops16h 52m

Deal found 1/11£677

Tue 12/105:30 -

1 stop21h 30m

Sun 24/111:20 -

1 stop12h 07m

Deal found 30/10£759

Wed 24/306:35 -

1 stop18h 20m

Sun 4/407:25 -

2 stops17h 51m

Deal found 28/10£740

Wed 24/310:50 -

2 stops16h 00m

Thu 1/406:15 -

2 stops15h 39m

Deal found 28/10£681

Wed 24/312:06 -

1 stop13h 59m

Thu 1/411:55 -

1 stop16h 03m

Deal found 28/10£697

Tue 1/1208:00 -

2 stops16h 40m

Tue 22/1207:40 -

1 stop17h 34m

Deal found 1/11£768

Sun 11/417:17 -

1 stop12h 03m

Fri 23/412:25 -

1 stop12h 40m

Deal found 31/10£700

Sat 10/417:50 -

1 stop31h 20m

Fri 23/410:45 -

1 stop11h 52m

Deal found 31/10£703

Thu 25/207:00 -

1 stop17h 50m

Wed 3/311:45 -

2 stops15h 24m

Deal found 28/10£706

Wed 24/305:29 -

2 stops29h 31m

Sun 4/419:30 -

3 stops31h 12m

Deal found 28/10£1,390

Mon 19/405:30 -

1 stop19h 55m

Mon 26/406:30 -

2 stops15h 24m

Deal found 30/10£709

Tue 20/412:20 -

1 stop13h 05m

Mon 26/406:30 -

2 stops17h 34m

Deal found 29/10£709

Thu 3/1210:18 -

1 stop19h 22m

Thu 10/1208:40 -

2 stops17h 48m

Deal found 27/10£727

Thu 3/1218:08 -

2 stops13h 37m

Thu 10/1206:30 -

2 stops21h 41m

Deal found 27/10£730

Mon 16/1114:33 -

1 stop15h 27m

Wed 18/1106:50 -

2 stops14h 56m

Deal found 29/10£1,464

Fri 27/1109:59 -

2 stops14h 26m

Fri 4/1206:30 -

2 stops18h 46m

Deal found 30/10£730

Tue 12/105:30 -

1 stop20h 20m

Sun 24/106:30 -

2 stops15h 48m

Deal found 30/10£734

Thu 7/105:30 -

1 stop21h 30m

Wed 20/108:40 -

2 stops17h 55m

Deal found 28/10£735

Find flight deals from Wisconsin to Heathrow

Round-trip from	£606
One-way from	£253
Popular in	December
Cheapest in	January
Average price	£638

United Airlines
1/3-3/3
3 total stops
29h 27m total
Wisconsin to London

Search Deals

Delta
20/4-31/12
2 total stops
14h 35m total
Wisconsin to London

Search Deals

High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£24 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Cheapflights 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

Green BayLondon

GRB Green Bay Austin-Straubel - LHR London Heathrow

GRBLHR

Green Bay Austin-Straubel

Tue 20/4

12:30-13:05

1 stop18h 35m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£253

Fastest return journey

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 22/3

15:55-09:00

1 stop12h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£253

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 22/3

10:45-10:50

3 stops19h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£311

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Tue 5/1

09:59-07:20

2 stops15h 21m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£389

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Mon 14/12

10:42-09:10

2 stops16h 28m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£585

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Wed 3/3

18:39-12:00

1 stop11h 21m

London Heathrow

Fri 5/3

06:50-15:00

2 stops14h 10m

£606

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Tue 2/2

15:22-07:50

1 stop10h 28m

London Heathrow

Tue 9/2

08:40-18:03

2 stops15h 23m

£668

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Wed 14/4

05:45-07:25

1 stop19h 40m

London Heathrow

Wed 21/4

06:30-16:37

2 stops16h 07m

£672

AppletonLondon

ATW Appleton Intl - LHR London Heathrow

ATWLHR

Appleton Intl

Mon 22/3

07:00-07:20

2 stops19h 20m

London Heathrow

Tue 30/3

06:30-20:42

2 stops20h 12m

£673

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Wed 28/4

13:00-08:50

2 stops13h 50m

London Heathrow

Wed 5/5

08:40-19:32

2 stops16h 52m

£677

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 39 resultsSorted by cheapest first

Best time to book a flight from Wisconsin to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Wisconsin with our price prediction graph.

GRB-LHR

MKE-LHR

MSN-LHR

ATW-LHR

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 Wisconsin to London Heathrow Airport

USWI-LHR

GRB-LHR

MKE-LHR

MSN-LHR

ATW-LHR

What is the cheapest month to book a flight from Wisconsin to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Wisconsin to London Heathrow Airport (average of £535). Flying from Wisconsin to London Heathrow Airport in December is currently the most expensive (average of £1,227). 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.

Related info for your journey

How long is the flight from Wisconsin to London Heathrow Airport?
For as low as £668, United Airlines can have you in London Heathrow Airport from Wisconsin in 10h 28m. Wisconsin and London Heathrow Airport are separated by a distance of 3894 mi. This flight may include one or multiple stops.
What are the most popular routes from Wisconsin to London Heathrow Airport?
When deciding which route to take from Wisconsin to London Heathrow Airport consider Chicago O'Hare Intl - London Heathrow, Minneapolis St Paul - London Heathrow or Milwaukee-Mitchell - London Heathrow as they are the most popular.
Can I find deals for flights from Wisconsin to Heathrow that include hotel bookings?
Yes. In addition to deals on Wisconsin to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Wisconsin to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wisconsin to Heathrow.
Can I find deals for business class flights from Wisconsin to Heathrow?
Yes. Cheapflights offers flight deals from Wisconsin 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 Wisconsin to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Wisconsin to London Heathrow Airport (average of £535). Flying from Wisconsin to London Heathrow Airport in December is currently the most expensive (average of £1,227). 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.

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Why should you use Cheapflights to find cheap flight tickets from Wisconsin to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Wisconsin 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 Wisconsin to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Wisconsin to Heathrow, users can toggle the no change fees filter when performing a flight search.

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Not ready to book yet? You can track prices for flights from Wisconsin to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Wisconsin to London Heathrow Airport from £253

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Wisconsin to Heathrow

Cheapest flights from Wisconsin to HeathrowExplore the most affordable flight options available from Wisconsin to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 November 2026.

Explore the most affordable flight options available from Wisconsin to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 November 2026.

Best flights from Wisconsin to HeathrowDiscover carefully curated flight deals from Wisconsin to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 November 2026.

Discover carefully curated flight deals from Wisconsin to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 November 2026.

Last-minute flights from Wisconsin to HeathrowDiscover last-minute flight deals from Wisconsin to Heathrow. Data last updated 1 November 2026 and is based on user searches.

Discover last-minute flight deals from Wisconsin to Heathrow. Data last updated 1 November 2026 and is based on user searches.

One-way flights from Wisconsin to HeathrowSearch for one-way flight options from Wisconsin to Heathrow. Find affordable one-way fares based on user searches. Data last updated 1 November 2026.

Search for one-way flight options from Wisconsin to Heathrow. Find affordable one-way fares based on user searches. Data last updated 1 November 2026.

Find flight deals from Wisconsin to Heathrow

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

Best time to book a flight from Wisconsin to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Wisconsin with our price prediction graph.

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What is the cheapest month to book a flight from Wisconsin to London Heathrow Airport?

Related info for your journey

How long is the flight from Wisconsin to London Heathrow Airport?

What are the most popular routes from Wisconsin to London Heathrow Airport?

Can I find deals for flights from Wisconsin to Heathrow that include hotel bookings?

How can I find direct flights from Wisconsin to Heathrow?

Can I find deals for business class flights from Wisconsin to Heathrow?

What is the cheapest month to book a flight from Wisconsin to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Wisconsin to Heathrow

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Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Wisconsin to Heathrow by cabin class

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 1 November 2026.

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Can Cheapflights notify me if prices for flights from Wisconsin to Heathrow become cheaper?

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Cheapest flights from Wisconsin to Heathrow
Explore the most affordable flight options available from Wisconsin to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 November 2026.

Best flights from Wisconsin to Heathrow
Discover carefully curated flight deals from Wisconsin to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 November 2026.

Last-minute flights from Wisconsin to Heathrow
Discover last-minute flight deals from Wisconsin to Heathrow. Data last updated 1 November 2026 and is based on user searches.

One-way flights from Wisconsin to Heathrow
Search for one-way flight options from Wisconsin to Heathrow. Find affordable one-way fares based on user searches. Data last updated 1 November 2026.