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

For as low as £566, KLM can have you in London Heathrow Airport from Wisconsin in 13h 36m. 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.

£241+ 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 23 September 2026.

Wed 11/1105:30 -

1 stop20h 20m

Wed 18/1106:30 -

2 stops21h 59m

Deal found 21/9£562

Wed 4/1110:16 -

1 stop14h 09m

Wed 11/1106:30 -

2 stops17h 35m

Deal found 21/9£562

Tue 3/1113:37 -

1 stop16h 03m

Tue 10/1108:40 -

2 stops14h 55m

Deal found 19/9£562

Tue 3/1105:35 -

1 stop18h 50m

Tue 10/1106:20 -

2 stops16h 11m

Deal found 19/9£562

Wed 14/1011:29 -

1 stop15h 46m

Wed 21/1011:45 -

2 stops14h 50m

Deal found 23/9£562

Sun 11/1019:46 -

1 stop11h 19m

Wed 21/1008:40 -

2 stops18h 15m

Deal found 22/9£562

Wed 14/1011:07 -

1 stop14h 03m

Wed 21/1006:15 -

2 stops21h 00m

Deal found 23/9£562

Wed 14/1013:29 -

2 stops13h 46m

Thu 22/1006:30 -

2 stops16h 48m

Deal found 22/9£565

Wed 4/1113:24 -

2 stops13h 36m

Wed 11/1106:20 -

2 stops16h 03m

Deal found 21/9£566

Tue 3/1110:53 -

2 stops14h 22m

Tue 10/1106:30 -

2 stops18h 37m

Deal found 19/9£566

Mon 2/1114:40 -

1 stop13h 15m

Wed 11/1109:50 -

1 stop15h 36m

Deal found 19/9£567

Tue 3/1113:37 -

1 stop10h 48m

Tue 10/1109:50 -

1 stop17h 27m

Deal found 19/9£567

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 23 September 2026.

Wed 11/1105:30 -

1 stop20h 20m

Wed 18/1106:30 -

2 stops21h 59m

Deal found 21/9£562

Tue 3/1113:37 -

1 stop16h 03m

Tue 10/1108:40 -

2 stops14h 55m

Deal found 19/9£562

Wed 4/1113:24 -

2 stops13h 36m

Wed 11/1106:20 -

2 stops16h 03m

Deal found 21/9£566

Mon 1/310:45 -

1 stop15h 10m

Wed 3/306:50 -

2 stops16h 23m

Deal found 18/9£605

Fri 15/108:22 -

3 stops20h 58m

Wed 20/113:00 -

2 stops40h 10m

Deal found 21/9£674

Tue 3/1110:53 -

2 stops14h 22m

Tue 10/1106:30 -

2 stops18h 37m

Deal found 19/9£566

Tue 3/1113:37 -

1 stop10h 48m

Tue 10/1109:50 -

1 stop17h 27m

Deal found 19/9£567

Wed 18/1110:59 -

1 stop14h 06m

Fri 27/1110:50 -

1 stop18h 00m

Deal found 21/9£568

Wed 18/1115:50 -

1 stop12h 05m

Fri 27/1110:50 -

1 stop18h 00m

Deal found 19/9£568

Mon 2/1109:35 -

2 stops15h 45m

Wed 11/1111:35 -

2 stops14h 40m

Deal found 19/9£571

Sat 7/1110:42 -

1 stop15h 13m

Sat 14/1106:50 -

2 stops14h 21m

Deal found 23/9£651

Sun 28/211:10 -

1 stop14h 35m

Sun 7/309:50 -

1 stop17h 45m

Deal found 19/9£615

Wed 4/1113:37 -

2 stops14h 48m

Wed 11/1106:50 -

2 stops18h 20m

Deal found 19/9£654

Thu 15/1012:36 -

1 stop12h 39m

Thu 22/1006:30 -

2 stops14h 00m

Deal found 19/9£599

Sat 5/1206:45 -

1 stop19h 00m

Tue 15/1211:20 -

1 stop12h 47m

Deal found 18/9£602

Thu 5/1112:30 -

2 stops13h 55m

Thu 12/1106:50 -

2 stops14h 21m

Deal found 21/9£654

Mon 2/1114:40 -

1 stop13h 15m

Mon 9/1106:30 -

2 stops17h 06m

Deal found 18/9£601

Wed 17/213:00 -

1 stop11h 50m

Mon 22/206:30 -

2 stops16h 15m

Deal found 18/9£605

Wed 4/1114:33 -

2 stops12h 37m

Wed 11/1106:50 -

2 stops18h 18m

Deal found 19/9£654

Thu 5/1107:00 -

2 stops18h 05m

Thu 12/1108:40 -

2 stops19h 24m

Deal found 21/9£603

Mon 2/1109:35 -

2 stops15h 45m

Mon 9/1109:40 -

2 stops15h 46m

Deal found 18/9£606

Wed 24/212:33 -

2 stops12h 07m

Sat 6/306:50 -

2 stops14h 15m

Deal found 20/9£660

Fri 16/1017:45 -

1 stop13h 20m

Fri 23/1011:20 -

1 stop15h 15m

Deal found 23/9£605

Sat 24/1005:35 -

1 stop21h 15m

Sat 31/1009:00 -

1 stop18h 09m

Deal found 19/9£643

Mon 12/1016:51 -

1 stop14h 14m

Mon 19/1020:05 -

2 stops20h 19m

Deal found 19/9£608

Thu 15/1013:17 -

1 stop11h 28m

Thu 22/1008:00 -

1 stop13h 07m

Deal found 23/9£673

Sun 28/212:06 -

1 stop12h 59m

Sun 7/306:30 -

2 stops16h 07m

Deal found 19/9£608

Wed 14/1013:17 -

1 stop11h 28m

Wed 21/1014:10 -

1 stop12h 53m

Deal found 23/9£673

Sun 18/1011:07 -

1 stop14h 03m

Sun 25/1016:00 -

2 stops24h 38m

Deal found 23/9£608

Thu 15/1018:02 -

2 stops13h 43m

Thu 22/1006:30 -

2 stops20h 31m

Deal found 23/9£614

Find flight deals from Wisconsin to Heathrow

Round-trip from	£562
One-way from	£241
Popular in	December
Cheapest in	January
Average price	£797

Delta
11/11-18/11
3 total stops
42h 19m total
Wisconsin to London

Search Deals

JetBlue
14/10-31/12
1 total stop
13h 44m total
Wisconsin to London

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£23 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Sun 27/12

14:31-05:55

1 stop33h 24m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£312

Fastest return journey

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Sun 1/11

12:36-06:25

1 stop11h 49m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£349

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Tue 1/12

06:00-12:50

3 stops48h 50m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£358

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Fri 9/10

08:45-08:05

2 stops17h 20m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£373

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Wed 14/10

10:46-17:45

3 stops24h 59m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£374

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Thu 26/11

11:38-08:05

2 stops14h 27m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£376

AppletonLondon

ATW Appleton Intl - LHR London Heathrow

ATWLHR

Appleton Intl

Sun 1/11

05:35-07:50

1 stop20h 15m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£379

MilwaukeeLondon

MKE Milwaukee-Mitchell - LHR London Heathrow

MKELHR

Milwaukee-Mitchell

Tue 1/12

15:12-11:40

1 stop14h 28m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£383

MadisonLondon

MSN Madison Truax Field - LHR London Heathrow

MSNLHR

Madison Truax Field

Tue 20/10

10:53-06:45

2 stops13h 52m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£383

AppletonLondon

ATW Appleton Intl - LHR London Heathrow

ATWLHR

Appleton Intl

Tue 1/12

05:18-06:25

1 stop19h 07m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£383

Flights are sorted by cheapest return flights first.

Deals found on 22/9

Showing 1-10 of 51 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.

MSN-LHR

ATW-LHR

GRB-LHR

MKE-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

MSN-LHR

ATW-LHR

GRB-LHR

MKE-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 £540). Flying from Wisconsin to London Heathrow Airport in December is currently the most expensive (average of £1,093). 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.

How much does it cost for a return flight from Wisconsin to London Heathrow Airport?

Airfare is below average for this route at the moment.

Wisconsin to London Heathrow Airport flights typically cost between £722 and £863 in November.
The cheapest return price found within the last 5 days was £562 on Delta (4 Nov–11 Nov).

Related info for your journey

How long is the flight from Wisconsin to London Heathrow Airport?
For as low as £566, KLM can have you in London Heathrow Airport from Wisconsin in 13h 36m. 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 £540). Flying from Wisconsin to London Heathrow Airport in December is currently the most expensive (average of £1,093). 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

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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.

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Cheap flights from Wisconsin to London Heathrow Airport from £241

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. 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 23 September 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 23 September 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 23 September 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 23 September 2026.

Last-minute flights from Wisconsin to HeathrowDiscover last-minute flight deals from Wisconsin to Heathrow. Data last updated 23 September 2026 and is based on user searches.

Discover last-minute flight deals from Wisconsin to Heathrow. Data last updated 23 September 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 23 September 2026.

Search for one-way flight options from Wisconsin to Heathrow. Find affordable one-way fares based on user searches. Data last updated 23 September 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.

Cheapflights Insights

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

How much does it cost for a return flight from Wisconsin to London Heathrow Airport?

Airfare is below average for this route at the moment.

Wisconsin to London Heathrow Airport flights typically cost between £722 and £863 in November.The cheapest return price found within the last 5 days was £562 on Delta (4 Nov–11 Nov).

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

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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 23 September 2026.

Wisconsin and Heathrow flights

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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?

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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 23 September 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 23 September 2026.

Last-minute flights from Wisconsin to Heathrow
Discover last-minute flight deals from Wisconsin to Heathrow. Data last updated 23 September 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 23 September 2026.

Wisconsin to London Heathrow Airport flights typically cost between £722 and £863 in November.
The cheapest return price found within the last 5 days was £562 on Delta (4 Nov–11 Nov).