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Cheap flights from Wisconsin to London Heathrow Airport from £226

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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
17 Aug — 24 Aug1
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 18 July 2026.

Fri 16/1019:25
ORD
-
LHR
1 stop18h 55m
Icelandair
Mon 19/1021:25
LHR
-
ORD
1 stop26h 50m
Icelandair
Deal found 17/7£522
Sun 6/919:25
ORD
-
LHR
1 stop18h 55m
Icelandair
Fri 25/1212:15
LHR
-
ORD
1 stop11h 05m
Icelandair
Deal found 16/7£522
Tue 29/919:25
ORD
-
LHR
1 stop10h 30m
Icelandair
Tue 6/1013:05
LHR
-
ORD
1 stop11h 10m
Icelandair
Deal found 17/7£523
Wed 23/919:25
ORD
-
LHR
1 stop18h 55m
Icelandair
Wed 7/1013:05
LHR
-
ORD
1 stop14h 20m
Icelandair
Deal found 17/7£524
Tue 22/919:25
ORD
-
LHR
1 stop10h 30m
Icelandair
Fri 2/1013:05
LHR
-
ORD
1 stop14h 20m
Icelandair
Deal found 17/7£526
Sat 19/919:25
ORD
-
LHR
1 stop10h 30m
Icelandair
Sun 27/921:25
LHR
-
ORD
1 stop26h 50m
Icelandair
Deal found 17/7£528
Sat 19/919:25
ORD
-
LHR
1 stop10h 30m
Icelandair
Mon 28/921:25
LHR
-
ORD
1 stop26h 50m
Icelandair
Deal found 17/7£528
Mon 14/919:25
ORD
-
LHR
1 stop10h 30m
Icelandair
Tue 22/921:25
LHR
-
ORD
1 stop26h 50m
Icelandair
Deal found 15/7£529
Mon 2/1118:30
ORD
-
LHR
1 stop10h 20m
Icelandair
Tue 10/1112:15
LHR
-
ORD
1 stop11h 05m
Icelandair
Deal found 17/7£530
Sat 5/922:25
ORD
-
LHR
1 stop31h 30m
Icelandair
Thu 17/921:25
LHR
-
ORD
1 stop26h 50m
Icelandair
Deal found 17/7£531
Sat 5/922:25
ORD
-
LHR
1 stop31h 30m
Icelandair
Thu 10/921:25
LHR
-
ORD
1 stop30h 00m
Icelandair
Deal found 15/7£531
Fri 18/910:30
ORD
-
LHR
2 stops16h 50m
Scandinavian Airlines
Sun 20/906:40
LHR
-
ORD
2 stops15h 30m
Scandinavian Airlines
Deal found 16/7£532

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 18 July 2026.

Round-trip from

£522

One-way from

£226

Popular in

June

Cheapest in

January

Average price

£802
Icelandair
  • Icelandair
  • 16/10-19/10
  • 2 total stops
  • 45h 45m total
  • Wisconsin to London
Search Deals
Icelandair
  • Icelandair
  • 16/10
  • 1 total stop
  • 18h 50m total
  • Wisconsin to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£145 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 18 July 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

Sun 1/11

17:45-07:55

Nonstop8h 10m

London Heathrow

Tue 3/11

06:50-12:10

1 stop11h 20m

£537

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Mon 23/11

12:28-10:50

2 stops16h 22m

London Heathrow

Wed 25/11

06:50-19:08

2 stops18h 18m

£551

WausauLondon

CWA - LHR

CWALHR

Wausau Central Wisconsin

Mon 23/11

09:00-12:00

1 stop21h 00m

London Heathrow

Wed 25/11

06:50-17:45

2 stops16h 55m

£554

MinneapolisLondon

MSP - LHR

MSPLHR

Minneapolis St Paul

Sat 3/10

19:30-11:55

1 stop10h 25m

London Heathrow

Thu 8/10

21:25-18:20

1 stop26h 55m

£616

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 8/11

15:45-05:55

Nonstop8h 10m

London Heathrow

Thu 12/11

06:50-12:10

1 stop11h 20m

£632

WausauLondon

CWA - LHR

CWALHR

Wausau Central Wisconsin

Wed 21/10

11:30-10:15

2 stops16h 45m

London Heathrow

Wed 11/11

11:00-00:18

1 stop19h 18m

£638

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Wed 21/10

14:20-08:30

1 stop12h 10m

London Heathrow

Wed 28/10

06:50-16:53

2 stops15h 03m

£644

WausauLondon

CWA - LHR

CWALHR

Wausau Central Wisconsin

Mon 30/11

07:00-07:05

1 stop18h 05m

London Heathrow

Wed 9/12

06:30-21:12

2 stops20h 42m

£650

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 21/10

18:50-10:50

1 stop10h 00m

London Heathrow

Tue 27/10

06:05-23:59

2 stops22h 54m

£653

WausauLondon

CWA - LHR

CWALHR

Wausau Central Wisconsin

Wed 21/10

06:55-07:10

2 stops18h 15m

London Heathrow

Wed 11/11

06:30-21:12

2 stops20h 42m

£654

Flights are sorted by cheapest return flights first.

Deals found on 13/7

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, January is the cheapest month in which you can book a flight from Wisconsin to London Heathrow Airport (average of £533). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of £1,106). 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 £537, United Airlines can have you in London Heathrow Airport from Wisconsin in 8h 10m. 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, January is the cheapest month in which you can book a flight from Wisconsin to London Heathrow Airport (average of £533). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of £1,106). 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
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Slough
Ilford
Croydon
Hayes
Brentford
Colchester
Northampton
Watford
Eastbourne
Swindon
Southend-on-Sea
Poole
Kingston upon Thames
Southall
Aylesbury

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

Fly with Cheapflights

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

Cheapflights helps you search for flights from Wisconsin to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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