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

Delta, Virgin Atlantic, and Aer Lingus are the most popular carriers operating from Wisconsin to London Heathrow

What airlines fly to London Heathrow Airport?

American Airlines, United Airlines and British Airways are the top three most popular airlines that fly to London Heathrow Airport from Wisconsin according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 5 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

How many flights depart from Wisconsin to London Heathrow Airport on average per week?

439 flights are operational weekly from Wisconsin to London Heathrow Airport as of May 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

How long does it take to fly to London Heathrow Airport?

On average, it takes 9h 40m to fly from Wisconsin to London Heathrow Airport if you fly out of Milwaukee (the most popular airport in Wisconsin) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Madison and into London Heathrow Airport, then the flight time is around 9h 55m.

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

As of May 2026, there are 19 operators available to choose from for flights from Wisconsin to London Heathrow Airport.

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

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 Heathrow Airport.

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

The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$328 Cheap Flights from Wisconsin to London Heathrow Airport in 2026

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 pm - 6:30 pm

ORD

LHR

17h 15m

1 stop

7:05 am - 4:10 pm

LHR

ORD

15h 05m

2 stops

$819Scandinavian Airlines

週三, 9月 9 - 週三, 9月 23

2:20 pm - 7:55 am

ORD

LHR

11h 35m

1 stop

10:50 am - 6:15 pm

LHR

ORD

13h 25m

1 stop

$820Multiple Airlines

週一, 10月 12 - 週五, 10月 23

7:05 pm - 1:00 pm

ORD

LHR

11h 55m

1 stop

6:00 am - 12:35 pm

LHR

ORD

12h 35m

1 stop

$821SWISS

週一, 9月 7 - 週二, 9月 15

7:05 pm - 5:50 pm

ORD

LHR

16h 45m

1 stop

6:40 pm - 12:35 pm

LHR

ORD

23h 55m

1 stop

$824SWISS

週三, 8月 26 - 週一, 8月 31

6:05 pm - 12:45 pm

ORD

LHR

12h 40m

1 stop

6:00 am - 4:00 pm

LHR

ORD

16h 00m

1 stop

$825TAP AIR PORTUGAL

週六, 9月 12 - 週五, 9月 18

6:00 pm - 12:45 pm

ORD

LHR

12h 45m

1 stop

8:00 am - 4:00 pm

LHR

ORD

14h 00m

1 stop

$827TAP AIR PORTUGAL

週四, 9月 17 - 週三, 9月 30

8:16 am - 9:40 am

ORD

LHR

19h 24m

1 stop

12:15 pm - 3:00 pm

LHR

ORD

8h 45mnonstop

$830British Airways

週三, 7月 29 - 週四, 8月 27

10:50 am - 7:10 am

GRB

LHR

14h 20m

1 stop

9:55 am - 9:58 pm

LHR

GRB

18h 03m

2 stops

$879Delta

週日, 9月 13 - 週三, 9月 23

11:22 am - 11:20 am

MSN

LHR

17h 58m

1 stop

6:30 am - 2:21 pm

LHR

MSN

13h 51m

2 stops

$879Delta

週三, 8月 19 - 週二, 8月 25

6:29 pm - 12:15 pm

GRB

LHR

11h 46m

1 stop

9:45 am - 11:07 pm

LHR

GRB

19h 22m

1 stop

$893British Airways

週日, 9月 13 - 週三, 9月 23

Scandinavian Airlines flights from Wisconsin to London Heathrow Airport

Our best Scandinavian Airlines deals on Wisconsin to London Heathrow Airport flight tickets

Scandinavian Airlines

Sep 9

ORD7:15 pmChicago O'Hare Intl

17h 15m

1 stop

LHR6:30 pmLondon Heathrow

Sep 23

LHR7:05 amLondon Heathrow

15h 05m

2 stops

ORD4:10 pmChicago O'Hare Intl

$819

Scandinavian Airlines

Sep 1

ORD7:15 pmChicago O'Hare Intl

17h 15m

1 stop

LHR6:30 pmLondon Heathrow

Oct 31

LHR10:20 amLondon Heathrow

12h 25m

1 stop

ORD5:45 pmChicago O'Hare Intl

$822

Scandinavian Airlines

Sep 24

ORD7:15 pmChicago O'Hare Intl

20h 25m

1 stop

LHR9:40 pmLondon Heathrow

Oct 3

LHR1:55 pmLondon Heathrow

32h 15m

2 stops

ORD4:10 pmChicago O'Hare Intl

$823

SWISS flights from Wisconsin to London Heathrow Airport

Our best SWISS deals on Wisconsin to London Heathrow Airport flight tickets

SWISS

Sep 7

ORD7:05 pmChicago O'Hare Intl

11h 55m

1 stop

LHR1:00 pmLondon Heathrow

Sep 15

LHR6:00 amLondon Heathrow

12h 35m

1 stop

ORD12:35 pmChicago O'Hare Intl

$821

SWISS

Aug 26

ORD7:05 pmChicago O'Hare Intl

16h 45m

1 stop

LHR5:50 pmLondon Heathrow

Aug 31

LHR6:40 pmLondon Heathrow

23h 55m

1 stop

ORD12:35 pmChicago O'Hare Intl

$824

SWISS

May 13

ORD7:05 pmChicago O'Hare Intl

18h 15m

1 stop

LHR7:20 pmLondon Heathrow

May 19

LHR2:25 pmLondon Heathrow

28h 10m

2 stops

ORD12:35 pmChicago O'Hare Intl

$908

momondo 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 round-trip

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

週三 9/9

7:15 pm-6:30 pm

1 stop17h 15m

London Heathrow

週三 9/23

7:05 am-4:10 pm

2 stops15h 05m

$819

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

週一 10/12

2:20 pm-7:55 am

1 stop11h 35m

London Heathrow

週五 10/23

10:50 am-6:15 pm

1 stop13h 25m

$820

Quickest round-trip

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

週一 9/7

7:05 pm-1:00 pm

1 stop11h 55m

London Heathrow

週二 9/15

6:00 am-12:35 pm

1 stop12h 35m

$821

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

週三 8/26

7:05 pm-5:50 pm

1 stop16h 45m

London Heathrow

週一 8/31

6:40 pm-12:35 pm

1 stop23h 55m

$824

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

週六 9/12

6:05 pm-12:45 pm

1 stop12h 40m

London Heathrow

週五 9/18

6:00 am-4:00 pm

1 stop16h 00m

$825

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

週四 9/17

6:00 pm-12:45 pm

1 stop12h 45m

London Heathrow

週三 9/30

8:00 am-4:00 pm

1 stop14h 00m

$827

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

週三 7/29

8:16 am-9:40 am

1 stop19h 24m

London Heathrow

週四 8/27

12:15 pm-3:00 pm

Nonstop8h 45m

$830

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

週日 9/13

10:50 am-7:10 am

1 stop14h 20m

London Heathrow

週三 9/23

9:55 am-9:58 pm

2 stops18h 03m

$879

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

週三 8/19

11:22 am-11:20 am

1 stop17h 58m

London Heathrow

週二 8/25

6:30 am-2:21 pm

2 stops13h 51m

$879

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

週日 9/13

6:29 pm-12:15 pm

1 stop11h 46m

London Heathrow

週三 9/23

9:45 am-11:07 pm

1 stop19h 22m

$893

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 Heathrow Airport

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

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Other information

What is the cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Wisconsin, with most prices found around $471. If you’re not able to fly to London Heathrow Airport in October, then May is your next best option. Flight prices from Wisconsin to London Heathrow Airport during May average around $580.

Can stopping save me money on Wisconsin to London Heathrow Airport flights?

You could potentially save up to 27% on your flight if you consider stops on a Wisconsin to London Heathrow Airport flight.

Cheap Wisconsin to London Heathrow Airport flight deals and tips

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

Fastest flight time	7h 40m
Direct flights	Mon, Tue, Wed, Thu, Sat and Sun

The fastest flight from Wisconsin to London Heathrow Airport takes 7h 40m

Direct flights go from Wisconsin to London Heathrow Airport on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.

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Frequently asked questions about flying from Wisconsin to London Heathrow Airport

When did momondo last update prices for flights from Wisconsin to London Heathrow Airport?
Prices for flights from Wisconsin to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Wisconsin to London Heathrow Airport?
As of May 2026, there are 19 operators available to choose from for flights from Wisconsin to London Heathrow Airport.
How old do you have to be to fly from Wisconsin to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Wisconsin to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $622	Free Cancellation	Rating 7.9 8,450 reviews	Search Delta flights
British Airways	PriceFrom $624	Free Cancellation	Rating 6.7 7,977 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom $629	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $659	Free Cancellation	Rating 7.1 11,662 reviews	Search American Airlines flights
United Airlines	PriceFrom $670	Free Cancellation	Rating 7.4 9,710 reviews	Search United Airlines flights

Hounslow

Gatwick

Milton Keynes

Dover

Luton

Hayes

Crawley

Stratford-upon-Avon

Wembley

Slough

Croydon

Stansted

Watford

Harrow

Brentwood

Dartford

Cobham

Folkestone

Romford

Uxbridge

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Wisconsin to London. momondo saves you time and could save you money on your trip.

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?

momondo helps you find the best flight between Wisconsin and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Wisconsin to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Wisconsin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London Heathrow Airport trip

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Popular cities in the United Kingdom

Flights to London Gatwick Airportfrom $448

Flights to London Stansted Airportfrom $513

Flights to London City Airportfrom $661

Flights to London Luton Airportfrom $530

Flights to Glasgow Intl Airportfrom $569

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Flights to London Southend Airportfrom $704

Flights to Belfast City Airportfrom $711

Cheap flights from Wisconsin to London from $328

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 8/25. 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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Scandinavian Airlines flights from Wisconsin to London Heathrow Airport

Our best Scandinavian Airlines deals on Wisconsin to London Heathrow Airport flight tickets

SWISS flights from Wisconsin to London Heathrow Airport

Our best SWISS deals on Wisconsin to London Heathrow Airport flight tickets

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

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How to get the cheapest flight ticket from Wisconsin to London Heathrow Airport

What is the cheapest month to fly to London Heathrow Airport?

Can stopping save me money on Wisconsin to London Heathrow Airport flights?

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

What airlines fly to London Heathrow Airport?

How many flights depart from Wisconsin to London Heathrow Airport on average per week?

How long does it take to fly to London Heathrow Airport?

Cheap Wisconsin to London Heathrow Airport flight deals and tips

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

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Frequently asked questions about flying from Wisconsin to London Heathrow Airport

Best airlines flying from Wisconsin to London Heathrow Airport

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

Traveling to a place near London?

Why use momondo?

An easier way to manage your London Heathrow Airport 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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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

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