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Cheap flights from Wisconsin to London Heathrow Airport from £179

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Wisconsin to Heathrow

Enter your travel dates to find the best prices.

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 3 November 2025.

Fri 14/1118:30ORD - LHR
1 stop10h 20mIcelandair
Wed 19/1120:35LHR - ORD
1 stop26h 45mIcelandair
Deal found 1/11£407
Sun 7/1219:20ORD - LHR
2 stops15h 05mScandinavian Airlines
Fri 12/1206:40LHR - ORD
1 stop16h 05mScandinavian Airlines
Deal found 1/11£408
Fri 5/1207:10ORD - LHR
2 stops26h 50mScandinavian Airlines
Tue 9/1219:50LHR - ORD
2 stops26h 55mScandinavian Airlines
Deal found 2/11£410
Sat 15/1118:30ORD - LHR
1 stop10h 20mIcelandair
Sat 22/1120:35LHR - ORD
1 stop26h 45mIcelandair
Deal found 2/11£411
Sat 15/1118:30ORD - LHR
1 stop10h 20mIcelandair
Tue 25/1112:15LHR - ORD
1 stop11h 05mIcelandair
Deal found 2/11£412
Tue 18/1110:35ORD - LHR
2 stops25h 05mScandinavian Airlines
Tue 2/1219:50LHR - ORD
2 stops26h 55mScandinavian Airlines
Deal found 1/11£413
Thu 11/1219:20ORD - LHR
1 stop20h 20mScandinavian Airlines
Wed 24/1206:40LHR - ORD
1 stop16h 05mScandinavian Airlines
Deal found 2/11£414
Sun 9/1110:35ORD - LHR
1 stop14h 15mVirgin Atlantic
Tue 18/1108:55LHR - ORD
1 stop12h 15mVirgin Atlantic
Deal found 1/11£414
Fri 28/1119:20ORD - LHR
1 stop14h 40mScandinavian Airlines
Sat 6/1206:40LHR - ORD
2 stops16h 05mScandinavian Airlines
Deal found 2/11£415
Sat 22/1119:20ORD - LHR
2 stops17h 30mScandinavian Airlines
Wed 26/1110:35LHR - ORD
2 stops36h 10mScandinavian Airlines
Deal found 2/11£416
Mon 1/1219:20ORD - LHR
2 stops20h 00mScandinavian Airlines
Sat 6/1217:30LHR - ORD
2 stops29h 15mScandinavian Airlines
Deal found 1/11£417
Sun 9/1119:40ORD - LHR
1 stop9h 45mAer Lingus
Tue 18/1108:50LHR - ORD
1 stop11h 10mAer Lingus
Deal found 1/11£417

Cheap flight deals from Wisconsin to Heathrow

Keep the following information in mind while searching for Wisconsin to Heathrow flight deals. Data was last updated 3 November 2025.

Round-trip from

£407

One-way from

£179

Popular in

December

Cheapest in

November

Average price

£563
Icelandair
  • Icelandair
  • 14/11-19/11
  • 2 total stops
  • 37h 05m total
  • Wisconsin to London
Search Deals
9/11
  • 9/11
  • 1 total stop
  • 31h 30m total
  • Wisconsin to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Wisconsin to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 November 2025.
Use the filters below to find and compare flights from Wisconsin to London Heathrow Airport that are best for you.

Fly from

Wisconsin

Fly to

Heathrow

Route

Depart

Return

Price

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 28/4

07:00-09:20

2 stops20h 20m

London Heathrow

Mon 4/5

06:40-16:10

1 stop15h 30m

£422

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 19/11

07:10-06:50

1 stop17h 40m

London Heathrow

Wed 3/12

08:55-15:10

1 stop12h 15m

£441

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 28/12

19:20-09:35

2 stops56h 15m

London Heathrow

Sat 7/2

10:20-16:45

1 stop12h 25m

£445

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 16/2

21:45-11:35

Nonstop7h 50m

London Heathrow

Fri 27/2

11:00-13:50

Nonstop8h 50m

£449

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 3/12

12:13-07:05

1 stop12h 52m

London Heathrow

Wed 10/12

06:20-16:07

2 stops15h 47m

£449

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 26/11

14:42-07:05

1 stop10h 23m

London Heathrow

Wed 3/12

09:00-21:26

2 stops18h 26m

£449

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Wed 3/12

12:20-07:05

1 stop12h 45m

London Heathrow

Wed 10/12

06:20-17:14

2 stops16h 54m

£449

MinneapolisLondon

MSP - LHR

MSPLHR

Minneapolis St Paul

Tue 10/2

07:00-14:35

3 stops25h 35m

London Heathrow

Tue 24/2

06:40-20:17

2 stops19h 37m

£449

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 3/12

15:17-11:40

1 stop14h 23m

London Heathrow

Fri 12/12

08:40-20:30

2 stops17h 50m

£449

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 3/12

17:14-11:40

1 stop12h 26m

London Heathrow

Thu 11/12

08:55-16:21

1 stop13h 26m

£454

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 60 results
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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.
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

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

Currently, October is the cheapest month in which you can book a flight from Wisconsin to London Heathrow Airport (average of £424). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of £826). 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

Find useful and relevant information for your journey from Wisconsin to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For as low as £449, Scandinavian Airlines can have you in London Heathrow Airport from Wisconsin in 7h 50m. Wisconsin and London Heathrow Airport are separated by a distance of 3939 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Wisconsin to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as £205 on WestJet. Other airlines that offer cheap prices include JetBlue from £212 and Air Canada from £307 one-way.

  • 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 Madison Truax Field - 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, October is the cheapest month in which you can book a flight from Wisconsin to London Heathrow Airport (average of £424). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of £826). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Swindon
Crawley
Romford
Brentford
Ipswich

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Alternative routes for Wisconsin to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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San Francisco to Gatwick flights
Los Angeles to London City flights
Philadelphia to Heathrow flights
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Dulles Intl to London City flights
Hobby to Heathrow flights
Baltimore to Gatwick flights
San Francisco to London City flights
Boston to Stansted flights
Reagan-National to Gatwick flights
O'Hare Intl to Gatwick flights
Minneapolis to Heathrow flights
O'Hare Intl to London City flights
Dallas/Fort Worth to Gatwick flights
Boston to Luton flights
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George Bush Intcntl to Heathrow flights
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Detroit to Heathrow flights

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

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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.

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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