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Cheap flights from Wisconsin to London Heathrow Airport from £152

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
18 out — 25 out1
1 adult
1 adult, Economy

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 18 setembro 2025.

Round-trip from

£370

One-way from

£152

Popular in

December

Cheapest in

November

Average price

£547
Air Canada
  • Air Canada
  • 5/11-11/11
  • 3 total stops
  • 27h 59m total
  • Wisconsin to London
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WestJet
  • WestJet
  • 25/10
  • 2 total stops
  • 17h 50m total
  • Wisconsin to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Wisconsin to Heathrow

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 18 setembro 2025.

qua 5/1112:50ORD - LHR
1 stop12h 20mAir Canada
ter 11/1109:00LHR - ORD
2 stops15h 39mAir Canada
Deal found 15/9£370
seg 1/1212:50ORD - LHR
1 stop12h 20mMultiple Airlines
ter 9/1209:00LHR - ORD
2 stops15h 52mMultiple Airlines
Deal found 16/9£371
qua 22/1018:00ORD - LHR
Nonstop8h 20mUnited Airlines
sex 31/1006:50LHR - ORD
1 stop11h 20mUnited Airlines
Deal found 16/9£371
dom 28/910:40ORD - LHR
1 stop13h 50mAir Canada
ter 7/1006:50LHR - ORD
2 stops13h 58mAir Canada
Deal found 16/9£372
ter 23/922:35ORD - LHR
Nonstop7h 40mFinnair
sex 3/1014:25LHR - ORD
Nonstop8h 35mFinnair
Deal found 16/9£374
seg 29/916:20ORD - LHR
1 stop16h 00mAustrian Airlines
ter 21/1006:00LHR - ORD
1 stop13h 20mAustrian Airlines
Deal found 16/9£374
qua 5/1115:50ORD - LHR
1 stop13h 35mDelta
qui 20/1106:20LHR - ORD
1 stop14h 50mDelta
Deal found 17/9£375
dom 19/1017:40ORD - LHR
Nonstop7h 40mBritish Airways
ter 4/1112:35LHR - ORD
Nonstop8h 50mBritish Airways
Deal found 18/9£376
qua 8/1013:08ORD - LHR
1 stop16h 17mDelta
qua 11/308:55LHR - ORD
1 stop12h 15mDelta
Deal found 16/9£377
dom 19/1019:59ORD - LHR
1 stop11h 31mDelta
qua 3/1208:55LHR - ORD
1 stop12h 15mDelta
Deal found 17/9£377
ter 30/913:05ORD - LHR
1 stop12h 10mDelta
seg 13/1011:45LHR - ORD
1 stop32h 25mDelta
Deal found 16/9£378
qua 8/1013:43ORD - LHR
1 stop10h 37mIberia
qua 22/1012:15LHR - ORD
Nonstop8h 25mIberia
Deal found 16/9£379

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 18 setembro 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

seg 1/12

17:50-07:55

Nonstop8h 05m

London Heathrow

ter 9/12

06:50-12:10

1 stop11h 20m

£371

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

ter 30/9

13:00-06:25

1 stop11h 25m

London Heathrow

ter 7/10

06:30-14:10

1 stop13h 40m

£378

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

dom 28/9

20:10-13:10

1 stop11h 00m

London Heathrow

ter 21/10

08:40-14:10

1 stop11h 30m

£378

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

qua 25/2

21:45-11:35

Nonstop7h 50m

London Heathrow

sex 6/3

11:00-13:50

Nonstop8h 50m

£380

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

qua 10/12

15:45-05:55

Nonstop8h 10m

London Heathrow

sex 19/12

07:40-11:00

Nonstop9h 20m

£380

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

ter 7/10

16:00-06:20

Nonstop8h 20m

London Heathrow

ter 14/10

11:05-14:10

Nonstop9h 05m

£380

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

qua 15/10

15:35-09:35

1 stop12h 00m

London Heathrow

qua 29/10

07:40-12:00

Nonstop9h 20m

£380

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

dom 28/9

21:25-11:45

Nonstop8h 20m

London Heathrow

qua 15/10

08:30-11:30

Nonstop9h 00m

£380

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

seg 29/9

16:00-06:20

Nonstop8h 20m

London Heathrow

ter 7/10

14:10-17:20

Nonstop9h 10m

£380

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

seg 29/9

16:00-06:20

Nonstop8h 20m

London Heathrow

qua 15/10

09:30-14:48

1 stop11h 18m

£380

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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, January is the cheapest month in which you can book a flight from Wisconsin to London Heathrow Airport (average of £112). Flying from Wisconsin to London Heathrow Airport in August is currently the most expensive (average of £164). 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 £371, United Airlines can have you in London Heathrow Airport from Wisconsin in 8h 05m. 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 £162 on WestJet. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £188 and British Airways from £303 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 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 £112). Flying from Wisconsin to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Slough
Gatwick
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Swindon
Dartford
Guildford
Brentford

Browse thousands of different options on Cheapflights for your next trip

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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
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Boston to Luton flights
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Fly with Cheapflights

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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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