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Cheap flights from Wisconsin to London Heathrow Airport from £184

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
11 Jan — 18 Jan1
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 12 December 2025.

Tue 30/1218:30ORD - LHR
1 stop10h 20mIcelandair
Sat 31/112:15LHR - ORD
1 stop11h 05mIcelandair
Deal found 11/12£417
Wed 31/1213:24ORD - LHR
1 stop11h 16mMultiple Airlines
Wed 14/106:50LHR - ORD
1 stop11h 20mMultiple Airlines
Deal found 10/12£430
Wed 10/1218:50ORD - LHR
1 stop12h 10mSWISS
Mon 15/1212:05LHR - ORD
1 stop34h 15mSWISS
Deal found 10/12£452
Wed 31/1221:05ORD - LHR
Nonstop8h 10mUnited Airlines
Wed 14/106:50LHR - ORD
1 stop11h 20mUnited Airlines
Deal found 10/12£457
Wed 10/1217:50ORD - LHR
Nonstop8h 05mUnited Airlines
Fri 20/306:50LHR - ORD
1 stop11h 20mUnited Airlines
Deal found 10/12£459
Wed 31/1212:50ORD - LHR
1 stop12h 20mAir Canada
Wed 14/106:50LHR - ORD
2 stops14h 05mAir Canada
Deal found 10/12£462
Wed 10/1215:35ORD - LHR
1 stop9h 35mAir Canada
Fri 20/306:50LHR - ORD
2 stops16h 55mAir Canada
Deal found 10/12£463
Mon 29/1218:30ORD - LHR
1 stop19h 00mIcelandair
Sun 18/112:15LHR - ORD
1 stop11h 05mIcelandair
Deal found 10/12£464
Thu 11/1214:40ORD - LHR
1 stop13h 00mMultiple Airlines
Mon 15/1218:40LHR - ORD
1 stop27h 40mMultiple Airlines
Deal found 11/12£466
Thu 11/1217:50ORD - LHR
Nonstop8h 05mMultiple Airlines
Wed 24/1209:00LHR - ORD
1 stop13h 20mMultiple Airlines
Deal found 10/12£467
Thu 11/1215:50MKE - LHR
1 stop10h 05mUnited Airlines
Thu 15/106:50LHR - MKE
2 stops16h 08mUnited Airlines
Deal found 11/12£506
Fri 12/1212:19MSN - LHR
1 stop11h 36mLufthansa
Fri 19/1207:25LHR - MSN
1 stop15h 20mLufthansa
Deal found 10/12£526

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 12 December 2025.

Round-trip from

£413

One-way from

£184

Popular in

June

Cheapest in

September

Average price

£793
Scandinavian Airlines
  • Scandinavian Airlines
  • 10/1-12/1
  • 2 total stops
  • 32h 45m total
  • Wisconsin to London
Search Deals
WestJet
  • WestJet
  • 8/2
  • 2 total stops
  • 18h 35m total
  • Wisconsin to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£90 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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 12 December 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

Sun 1/2

19:10-08:55

2 stops31h 45m

London Heathrow

Thu 5/2

06:40-16:45

2 stops16h 05m

£446

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 23/1

07:05-16:00

3 stops26h 55m

London Heathrow

Wed 28/1

06:40-20:58

2 stops20h 18m

£452

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 6/3

07:00-09:20

2 stops20h 20m

London Heathrow

Sat 14/3

06:40-17:45

1 stop16h 05m

£456

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 26/1

21:05-11:15

Nonstop8h 10m

London Heathrow

Tue 10/2

13:45-16:20

1 stop32h 35m

£463

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 26/1

21:05-11:15

Nonstop8h 10m

London Heathrow

Fri 6/2

09:00-16:20

1 stop13h 20m

£463

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 31/3

10:40-17:40

2 stops25h 00m

London Heathrow

Wed 8/4

07:05-16:10

2 stops15h 05m

£463

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 31/3

12:27-16:00

2 stops21h 33m

London Heathrow

Thu 30/4

07:05-20:09

2 stops19h 04m

£465

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sun 25/1

17:08-10:25

1 stop11h 17m

London Heathrow

Sun 1/2

07:30-22:16

2 stops20h 46m

£469

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 25/1

12:02-07:05

1 stop13h 03m

London Heathrow

Sun 1/2

11:45-20:43

2 stops14h 58m

£470

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 6/2

07:15-06:50

1 stop17h 35m

London Heathrow

Sat 14/2

06:30-16:13

2 stops15h 43m

£470

Flights are sorted by cheapest return flights first.

Deals found on 10/12

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 £417). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of £827). 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 £463, Scandinavian 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, October is the cheapest month in which you can book a flight from Wisconsin to London Heathrow Airport (average of £417). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of £827). 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
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

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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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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