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

For as low as £673, United Airlines can have you in London Heathrow Airport from Wisconsin in 13h 30m. 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.

£254+ 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 8 November 2026.

Tue 1/1205:20 -

1 stop19h 05m

Tue 8/1211:45 -

2 stops14h 37m

Deal found 3/11£691

Wed 2/1210:18 -

1 stop14h 07m

Wed 9/1208:40 -

2 stops17h 48m

Deal found 4/11£692

Tue 1/1213:12 -

2 stops13h 48m

Tue 8/1211:45 -

2 stops14h 37m

Deal found 3/11£695

Wed 18/1111:08 -

1 stop14h 37m

Tue 24/1106:30 -

2 stops20h 05m

Deal found 7/11£729

Sun 6/1212:53 -

1 stop11h 32m

Sun 13/1208:40 -

2 stops17h 48m

Deal found 5/11£729

Thu 10/1215:49 -

1 stop12h 06m

Wed 16/1206:30 -

2 stops20h 54m

Deal found 7/11£729

Wed 11/1112:32 -

1 stop12h 33m

Wed 18/1111:45 -

2 stops15h 42m

Deal found 5/11£729

Tue 10/1113:24 -

2 stops13h 36m

Tue 17/1108:40 -

2 stops14h 55m

Deal found 5/11£732

Fri 11/1207:00 -

2 stops17h 25m

Wed 16/1206:30 -

2 stops20h 54m

Deal found 7/11£733

Fri 11/1213:12 -

1 stop12h 33m

Tue 15/1206:20 -

2 stops17h 42m

Deal found 5/11£734

Fri 4/1215:49 -

1 stop12h 06m

Mon 7/1214:45 -

2 stops34h 31m

Deal found 5/11£743

Fri 4/1205:20 -

1 stop20h 30m

Fri 11/1209:50 -

1 stop12h 41m

Deal found 3/11£751

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 8 November 2026.

Sun 28/219:00 -

1 stop30h 55m

Wed 3/306:50 -

2 stops22h 09m

Deal found 4/11£612

Wed 24/313:20 -

1 stop13h 30m

Tue 30/306:30 -

2 stops17h 34m

Deal found 5/11£673

Wed 24/212:15 -

1 stop12h 10m

Wed 3/311:20 -

1 stop12h 45m

Deal found 5/11£699

Tue 12/107:35 -

2 stops26h 25m

Wed 20/107:05 -

3 stops21h 15m

Deal found 7/11£702

Wed 14/412:06 -

1 stop18h 59m

Fri 30/410:45 -

1 stop15h 57m

Deal found 8/11£703

Sun 28/217:31 -

1 stop32h 24m

Wed 3/306:50 -

2 stops18h 35m

Deal found 4/11£612

Mon 22/217:16 -

1 stop12h 24m

Fri 26/208:40 -

2 stops18h 26m

Deal found 6/11£673

Wed 7/409:26 -

1 stop15h 44m

Wed 14/409:20 -

1 stop13h 14m

Deal found 3/11£702

Tue 23/315:30 -

1 stop10h 35m

Tue 6/406:30 -

2 stops18h 35m

Deal found 4/11£675

Sun 28/217:55 -

1 stop12h 05m

Wed 3/306:50 -

2 stops16h 11m

Deal found 7/11£703

Wed 14/415:30 -

1 stop15h 35m

Wed 21/411:45 -

2 stops17h 10m

Deal found 5/11£675

Fri 4/1211:20 -

2 stops17h 10m

Fri 11/1210:50 -

1 stop17h 27m

Deal found 6/11£755

Mon 22/214:40 -

2 stops14h 10m

Fri 26/206:50 -

2 stops14h 15m

Deal found 7/11£707

Sun 4/418:40 -

1 stop12h 35m

Fri 9/409:55 -

2 stops17h 14m

Deal found 7/11£676

Wed 24/315:40 -

2 stops14h 10m

Tue 6/406:50 -

2 stops15h 54m

Deal found 4/11£709

Wed 7/407:00 -

1 stop18h 10m

Wed 14/411:45 -

2 stops17h 10m

Deal found 3/11£676

Mon 22/315:40 -

2 stops14h 10m

Tue 6/406:50 -

2 stops14h 35m

Deal found 4/11£709

Tue 1/1205:20 -

1 stop19h 05m

Tue 8/1211:45 -

2 stops14h 37m

Deal found 3/11£691

Wed 14/412:06 -

1 stop18h 59m

Fri 30/409:20 -

2 stops17h 22m

Deal found 8/11£706

Tue 20/412:20 -

1 stop13h 05m

Mon 26/406:30 -

2 stops17h 34m

Deal found 4/11£712

Wed 17/213:22 -

2 stops15h 08m

Sun 21/206:30 -

2 stops17h 35m

Deal found 3/11£713

Tue 20/405:30 -

1 stop19h 55m

Mon 26/406:30 -

2 stops15h 24m

Deal found 7/11£713

Wed 18/1111:08 -

1 stop14h 37m

Tue 24/1106:30 -

2 stops20h 05m

Deal found 7/11£729

Find flight deals from Wisconsin to Heathrow

Round-trip from	£605
One-way from	£254
Popular in	December
Cheapest in	January
Average price	£640

United Airlines
7/2-9/2
4 total stops
39h 28m total
Wisconsin to London

Search Deals

Delta
20/4-31/12
1 total stop
18h 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

£254

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 1/3

13:22-10:30

2 stops15h 08m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£254

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Sun 25/4

12:20-10:20

2 stops16h 00m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£254

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 15/2

10:17-07:50

1 stop15h 33m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£254

Fastest return journey

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 30/11

12:44-07:05

1 stop12h 21m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£381

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Mon 30/11

12:42-07:50

1 stop13h 08m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£389

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Wed 13/1

12:21-09:00

1 stop14h 39m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£394

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Tue 29/12

09:53-07:45

1 stop15h 52m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£394

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Thu 26/11

13:42-11:40

1 stop15h 58m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£431

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Sat 5/12

09:59-07:45

1 stop15h 46m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£431

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 40 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.

MKE-LHR

GRB-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

MKE-LHR

GRB-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 £544). Flying from Wisconsin to London Heathrow Airport in December is currently the most expensive (average of £1,217). 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 £673, United Airlines can have you in London Heathrow Airport from Wisconsin in 13h 30m. 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 £544). Flying from Wisconsin to London Heathrow Airport in December is currently the most expensive (average of £1,217). 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.

See more FAQs

Hounslow

Luton

Milton Keynes

Wembley

Gatwick

Slough

Ilford

Hayes

Croydon

Eastbourne

Northampton

Barnet

Brentford

Southend-on-Sea

Enfield

Southall

Harrow

Watford

Folkestone

Dagenham

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to England

Flights by cabin class

Heathrow flight routes

Other flight options

Popular flights

Top destinations

Alternative routes for Wisconsin to Heathrow

John F Kennedy Intl to Heathrow flights

Newark to Heathrow flights

John F Kennedy Intl to Gatwick flights

John F Kennedy Intl to Stansted flights

Newark to Gatwick flights

Boston to Heathrow flights

John F Kennedy Intl to London City flights

LaGuardia to Heathrow flights

Dulles Intl to Heathrow flights

Los Angeles to Heathrow flights

LaGuardia to Gatwick flights

Baltimore to Heathrow flights

Newark to Stansted flights

Newark to Luton flights

Newark to London City flights

O'Hare Intl to Heathrow flights

San Francisco to Heathrow flights

Seattle to Heathrow flights

Dallas/Fort Worth to Heathrow flights

Boston to Gatwick flights

Boston to London City flights

Boston to Stansted flights

Atlanta to Heathrow flights

Orlando to Heathrow flights

Reagan-National to Heathrow flights

Dulles Intl to Gatwick flights

Los Angeles to Gatwick flights

Dulles Intl to London City flights

Miami to Heathrow flights

Boston to Luton flights

Los Angeles to Stansted flights

Denver to Heathrow flights

Hobby to Heathrow flights

Philadelphia to Heathrow flights

Orlando to Gatwick flights

Los Angeles to London City flights

O'Hare Intl to Stansted flights

O'Hare Intl to Gatwick flights

Reagan-National to Gatwick flights

Baltimore to Gatwick flights

San Francisco to Stansted flights

O'Hare Intl to London City flights

San Francisco to Gatwick flights

San Francisco to London City flights

Dulles Intl to Luton flights

George Bush Intcntl to Heathrow flights

Minneapolis to Heathrow flights

LaGuardia to Stansted flights

Fly with Cheapflights

How does Cheapflights help users find flights from Wisconsin to Heathrow?

Cheapflights helps you search for flights from Wisconsin to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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.

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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Wisconsin to London Heathrow Airport from £254

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 8 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 8 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 8 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 8 November 2026.

Last-minute flights from Wisconsin to HeathrowDiscover last-minute flight deals from Wisconsin to Heathrow. Data last updated 8 November 2026 and is based on user searches.

Discover last-minute flight deals from Wisconsin to Heathrow. Data last updated 8 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 8 November 2026.

Search for one-way flight options from Wisconsin to Heathrow. Find affordable one-way fares based on user searches. Data last updated 8 November 2026.

Find flight deals from Wisconsin to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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.

Cheapflights Insights

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Wisconsin to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

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

Find flights from Wisconsin to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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 8 November 2026.

Wisconsin and Heathrow flights

Browse other Wisconsin and Heathrow flight options. Last updated on 8 November 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Wisconsin to Heathrow flights

Consider these flights travelling from Wisconsin to Heathrow.

Fly with Cheapflights

How does Cheapflights help users find flights from Wisconsin to Heathrow?

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

Can Cheapflights find flights from Wisconsin to Heathrow with no change fees?

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

100% Free

Book with Flexibility

Travel Smart

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 8 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 8 November 2026.

Last-minute flights from Wisconsin to Heathrow
Discover last-minute flight deals from Wisconsin to Heathrow. Data last updated 8 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 8 November 2026.