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Cheap flights from Wisconsin to London Heathrow Airport from £240

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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
2 May — 9 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 2 April 2026.

Sun 19/418:00
ORD
-
LHR
1 stop17h 45m
TAP AIR PORTUGAL
Thu 30/413:45
LHR
-
ORD
1 stop32h 15m
TAP AIR PORTUGAL
Deal found 29/3£484
Sun 12/418:00
ORD
-
LHR
1 stop22h 00m
TAP AIR PORTUGAL
Thu 23/419:50
LHR
-
ORD
1 stop26h 10m
TAP AIR PORTUGAL
Deal found 28/3£485
Sun 12/418:00
ORD
-
LHR
1 stop22h 00m
TAP AIR PORTUGAL
Sun 26/408:00
LHR
-
ORD
1 stop14h 00m
TAP AIR PORTUGAL
Deal found 29/3£485
Wed 22/418:00
ORD
-
LHR
1 stop12h 45m
TAP AIR PORTUGAL
Thu 30/413:45
LHR
-
ORD
1 stop32h 15m
TAP AIR PORTUGAL
Deal found 31/3£488
Tue 21/420:10
ORD
-
LHR
1 stop18h 55m
Turkish Airlines
Wed 6/518:30
LHR
-
ORD
1 stop21h 10m
Turkish Airlines
Deal found 1/4£497
Tue 28/411:25
ORD
-
LHR
1 stop16h 25m
Turkish Airlines
Tue 12/522:40
LHR
-
ORD
1 stop17h 00m
Turkish Airlines
Deal found 1/4£500
Wed 2/1219:20
ORD
-
LHR
1 stop17h 10m
Scandinavian Airlines
Mon 7/1206:40
LHR
-
ORD
1 stop16h 05m
Scandinavian Airlines
Deal found 1/4£502
Wed 15/420:10
ORD
-
LHR
1 stop20h 15m
Turkish Airlines
Wed 22/416:45
LHR
-
ORD
1 stop22h 55m
Turkish Airlines
Deal found 1/4£505
Sat 24/1020:20
ORD
-
LHR
1 stop16h 20m
Scandinavian Airlines
Sat 31/1006:40
LHR
-
ORD
1 stop16h 05m
Scandinavian Airlines
Deal found 28/3£506
Sat 31/1020:20
ORD
-
LHR
1 stop14h 40m
Scandinavian Airlines
Tue 10/1110:20
LHR
-
ORD
1 stop12h 25m
Scandinavian Airlines
Deal found 29/3£506
Sun 19/418:00
ORD
-
LHR
1 stop22h 00m
TAP AIR PORTUGAL
Wed 6/506:00
LHR
-
ORD
1 stop16h 00m
TAP AIR PORTUGAL
Deal found 30/3£508
Tue 8/910:00
MSP
-
LHR
2 stops17h 20m
Scandinavian Airlines
Wed 16/906:40
LHR
-
MSP
2 stops16h 18m
Scandinavian Airlines
Deal found 28/3£576

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 2 April 2026.

Round-trip from

£484

One-way from

£240

Popular in

June

Cheapest in

January

Average price

£521
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 19/4-30/4
  • 2 total stops
  • 50h 00m total
  • Wisconsin to London
Search Deals
18/4
  • 18/4
  • 2 total stops
  • 15h 30m total
  • Wisconsin to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£97 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 2 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

MinneapolisLondon

MSP - LHR

MSPLHR

Minneapolis St Paul

Sun 19/4

06:50-12:55

2 stops24h 05m

London Heathrow

Sat 25/4

06:40-20:43

2 stops20h 03m

£603

MinneapolisLondon

MSP - LHR

MSPLHR

Minneapolis St Paul

Mon 20/4

12:59-16:00

2 stops21h 01m

London Heathrow

Tue 28/4

19:50-19:48

2 stops29h 58m

£611

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 19/4

16:25-06:45

Nonstop8h 20m

London Heathrow

Tue 28/4

06:50-12:00

1 stop11h 10m

£643

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 28/9

21:30-11:55

Nonstop8h 25m

London Heathrow

Fri 9/10

06:55-18:15

1 stop17h 20m

£645

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 19/8

17:10-10:30

1 stop11h 20m

London Heathrow

Tue 25/8

06:30-16:45

2 stops16h 15m

£655

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 7/9

19:00-11:55

1 stop10h 55m

London Heathrow

Fri 18/9

06:50-15:04

2 stops14h 14m

£656

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 9/8

08:00-06:45

1 stop16h 45m

London Heathrow

Wed 19/8

07:25-16:56

2 stops15h 31m

£657

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 13/5

10:50-05:55

1 stop13h 05m

London Heathrow

Wed 20/5

06:50-16:42

2 stops15h 52m

£657

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 29/4

10:50-08:30

1 stop15h 40m

London Heathrow

Wed 6/5

06:50-15:00

2 stops14h 10m

£657

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 26/8

10:49-06:55

2 stops14h 06m

London Heathrow

Wed 2/9

06:50-14:53

2 stops14h 03m

£659

Flights are sorted by cheapest return flights first.

Deals found on 31/3

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 £402). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of £813). 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 £643, Scandinavian Airlines can have you in London Heathrow Airport from Wisconsin in 8h 20m. 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 £402). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of £813). 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
Gatwick
Slough
Ilford
Luton
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Bedford
Chelmsford

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