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Cheap flights from Wisconsin to London Heathrow Airport from £235

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
16 May — 23 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 April 2026.

Mon 26/1020:20
ORD
-
LHR
1 stop16h 20m
Scandinavian Airlines
Fri 6/1106:40
LHR
-
ORD
1 stop16h 05m
Scandinavian Airlines
Deal found 11/4£491
Wed 28/1020:20
ORD
-
LHR
1 stop14h 40m
Scandinavian Airlines
Wed 4/1110:20
LHR
-
ORD
1 stop12h 25m
Scandinavian Airlines
Deal found 11/4£497
Sat 24/1020:20
ORD
-
LHR
1 stop14h 40m
Scandinavian Airlines
Sat 7/1110:20
LHR
-
ORD
1 stop12h 25m
Scandinavian Airlines
Deal found 11/4£499
Sat 7/1119:20
ORD
-
LHR
1 stop17h 10m
Scandinavian Airlines
Thu 12/1106:40
LHR
-
ORD
1 stop16h 05m
Scandinavian Airlines
Deal found 13/4£501
Fri 6/1119:20
ORD
-
LHR
1 stop14h 40m
Scandinavian Airlines
Sun 15/1110:20
LHR
-
ORD
1 stop12h 25m
Scandinavian Airlines
Deal found 13/4£501
Thu 12/1119:20
ORD
-
LHR
2 stops35h 35m
Scandinavian Airlines
Sun 15/1106:40
LHR
-
ORD
2 stops16h 05m
Scandinavian Airlines
Deal found 11/4£503
Sun 1/1119:20
ORD
-
LHR
2 stops15h 05m
Scandinavian Airlines
Sun 15/1110:20
LHR
-
ORD
1 stop12h 25m
Scandinavian Airlines
Deal found 11/4£506
Wed 28/1020:20
ORD
-
LHR
1 stop16h 20m
Scandinavian Airlines
Tue 3/1106:40
LHR
-
ORD
1 stop16h 05m
Scandinavian Airlines
Deal found 13/4£509
Sun 1/1119:20
ORD
-
LHR
1 stop16h 20m
Scandinavian Airlines
Sat 7/1106:40
LHR
-
ORD
1 stop16h 05m
Scandinavian Airlines
Deal found 14/4£510
Mon 16/1120:15
LSE
-
LHR
1 stop33h 00m
United Airlines
Thu 19/1106:50
LHR
-
LSE
2 stops32h 06m
United Airlines
Deal found 15/4£551
Sat 17/1007:00
MKE
-
LHR
2 stops27h 00m
Scandinavian Airlines
Wed 21/1007:05
LHR
-
MKE
2 stops19h 03m
Scandinavian Airlines
Deal found 12/4£599
Mon 2/1107:00
MKE
-
LHR
3 stops20h 20m
Scandinavian Airlines
Mon 9/1106:40
LHR
-
MKE
2 stops19h 28m
Scandinavian Airlines
Deal found 13/4£616

Find flight deals from Wisconsin to Heathrow

Keep the following information in mind while searching for Wisconsin to Heathrow flight deals. Data was last updated 16 April 2026.

Round-trip from

£510

One-way from

£235

Popular in

June

Cheapest in

January

Average price

£529
Scandinavian Airlines
  • Scandinavian Airlines
  • 8/5-11/5
  • 4 total stops
  • 54h 14m total
  • Wisconsin to London
Search Deals
26/4
  • 26/4
  • 2 total stops
  • 19h 50m total
  • Wisconsin to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£99 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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 16 April 2026.
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

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 5/5

19:09-13:05

1 stop11h 56m

London Heathrow

Tue 12/5

06:30-16:29

2 stops15h 59m

£643

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 28/4

12:13-09:00

1 stop14h 47m

London Heathrow

Thu 7/5

06:50-17:32

2 stops16h 42m

£644

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Sun 23/8

14:35-11:55

1 stop15h 20m

London Heathrow

Mon 7/9

12:10-21:13

2 stops39h 03m

£646

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 6/10

06:15-11:55

1 stop23h 40m

London Heathrow

Wed 14/10

06:55-18:10

2 stops17h 15m

£646

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sun 4/10

06:15-06:45

1 stop18h 30m

London Heathrow

Thu 15/10

08:45-00:22

2 stops21h 37m

£646

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 19/8

10:49-06:55

2 stops14h 06m

London Heathrow

Wed 26/8

06:50-21:05

2 stops20h 15m

£648

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 9/8

11:30-07:10

1 stop13h 40m

London Heathrow

Thu 20/8

06:15-16:36

2 stops16h 21m

£649

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 13/9

07:00-08:50

2 stops19h 50m

London Heathrow

Wed 23/9

08:40-21:58

2 stops19h 18m

£650

WausauLondon

CWA - LHR

CWALHR

Wausau Central Wisconsin

Sun 6/9

06:30-09:00

1 stop20h 30m

London Heathrow

Wed 28/10

06:35-10:02

2 stops32h 27m

£650

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 12/5

11:05-06:30

1 stop13h 25m

London Heathrow

Wed 17/6

06:50-12:00

1 stop11h 10m

£658

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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 £347). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of £794). 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?

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 £654, Delta can have you in London Heathrow Airport from Wisconsin in 8h. Wisconsin and London Heathrow Airport are separated by a distance of 3939 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, October is the cheapest month in which you can book a flight from Wisconsin to London Heathrow Airport (average of £347). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of £794). 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
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Chelmsford
Ipswich
Southend-on-Sea

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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Seattle to Heathrow flights
Boston to Gatwick flights
Newark to London City flights
Los Angeles to Gatwick flights
Atlanta to Heathrow flights
LaGuardia to Stansted flights
Hobby to Heathrow flights
Orlando to Heathrow flights
Miami to Heathrow flights
Dulles Intl to Gatwick flights
Boston to London City flights
Reagan-National to Heathrow flights
Boston to Stansted flights
Los Angeles to Stansted flights
Dulles Intl to London City flights
Denver to Heathrow flights
Baltimore to Gatwick flights
Los Angeles to London City flights
Minneapolis to Heathrow flights
Philadelphia to Heathrow flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
O'Hare Intl to Stansted flights
Tampa to Heathrow flights
Seattle to Gatwick flights
O'Hare Intl to London City flights
San Francisco to Stansted flights
San Francisco to London City flights

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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