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Cheap flights from Wisconsin to London Heathrow Airport from £167

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
17 Dec — 24 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 17 November 2025.

Thu 4/1218:30ORD - LHR
1 stop19h 00mIcelandair
Mon 8/1220:35LHR - ORD
1 stop26h 45mIcelandair
Deal found 16/11£417
Wed 3/1218:30ORD - LHR
1 stop19h 00mIcelandair
Mon 15/1220:35LHR - ORD
1 stop26h 45mIcelandair
Deal found 16/11£418
Sun 16/1110:35ORD - LHR
1 stop14h 15mVirgin Atlantic
Tue 25/1106:20LHR - ORD
1 stop14h 50mVirgin Atlantic
Deal found 15/11£419
Mon 1/1219:20ORD - LHR
1 stop14h 40mScandinavian Airlines
Sun 7/1210:20LHR - ORD
1 stop12h 25mScandinavian Airlines
Deal found 16/11£420
Sun 30/1120:25ORD - LHR
1 stop20h 15mTAP AIR PORTUGAL
Sat 6/1219:55LHR - ORD
1 stop24h 50mTAP AIR PORTUGAL
Deal found 17/11£420
Mon 1/1219:20ORD - LHR
1 stop14h 40mScandinavian Airlines
Tue 9/1219:50LHR - ORD
2 stops26h 55mScandinavian Airlines
Deal found 15/11£421
Thu 27/1118:30ORD - LHR
1 stop19h 00mIcelandair
Wed 7/120:35LHR - ORD
1 stop26h 45mIcelandair
Deal found 15/11£423
Mon 8/1219:20ORD - LHR
2 stops39h 40mScandinavian Airlines
Thu 11/1206:40LHR - ORD
1 stop16h 05mScandinavian Airlines
Deal found 15/11£424
Mon 1/1219:20ORD - LHR
1 stop16h 20mScandinavian Airlines
Sat 6/1215:35LHR - ORD
2 stops31h 10mScandinavian Airlines
Deal found 15/11£425
Sun 30/1118:30ORD - LHR
1 stop19h 00mIcelandair
Fri 5/1220:35LHR - ORD
1 stop26h 45mIcelandair
Deal found 16/11£426
Mon 24/1110:30MSP - LHR
2 stops23h 55mScandinavian Airlines
Sat 6/1206:40LHR - MSP
2 stops20h 14mScandinavian Airlines
Deal found 16/11£448
Mon 17/1112:18MSN - LHR
1 stop11h 37mLufthansa
Wed 3/1210:25LHR - MSN
1 stop12h 20mLufthansa
Deal found 15/11£459

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 17 November 2025.

Round-trip from

£415

One-way from

£167

Popular in

June

Cheapest in

November

Average price

£546
Scandinavian Airlines
  • Scandinavian Airlines
  • 8/2-5/3
  • 3 total stops
  • 27h 40m total
  • Wisconsin to London
Search Deals
WestJet
  • WestJet
  • 18/1
  • 2 total stops
  • 42h 35m total
  • Wisconsin to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£98 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 November 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 17 November 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

MinneapolisLondon

MSP - LHR

MSPLHR

Minneapolis St Paul

Fri 16/1

13:40-16:00

2 stops20h 20m

London Heathrow

Wed 21/1

06:40-21:29

2 stops20h 49m

£445

MinneapolisLondon

MSP - LHR

MSPLHR

Minneapolis St Paul

Wed 14/1

07:00-14:35

2 stops25h 35m

London Heathrow

Wed 18/2

06:40-20:06

3 stops19h 26m

£448

MinneapolisLondon

MSP - LHR

MSPLHR

Minneapolis St Paul

Fri 23/1

07:00-16:25

2 stops27h 25m

London Heathrow

Tue 27/1

21:05-20:27

3 stops29h 22m

£450

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 2/12

18:10-11:40

1 stop11h 30m

London Heathrow

Tue 16/12

11:05-21:40

1 stop16h 35m

£453

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 23/1

07:02-16:00

2 stops26h 58m

London Heathrow

Wed 28/1

06:40-20:48

2 stops20h 08m

£455

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 22/1

07:02-17:40

2 stops28h 38m

London Heathrow

Wed 28/1

06:40-20:48

2 stops20h 08m

£455

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sat 7/2

19:20-16:00

1 stop14h 40m

London Heathrow

Thu 5/3

06:40-16:45

1 stop16h 05m

£456

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 2/12

17:50-07:55

Nonstop8h 05m

London Heathrow

Tue 16/12

06:30-13:10

1 stop12h 40m

£466

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 25/3

18:04-09:20

1 stop10h 16m

London Heathrow

Tue 31/3

06:50-12:00

1 stop11h 10m

£469

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Wed 28/1

10:42-07:55

1 stop15h 13m

London Heathrow

Tue 3/2

07:40-16:47

2 stops15h 07m

£470

Flights are sorted by cheapest return flights first.

Deals found on 16/11

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 £423). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of £837). 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 £466, Scandinavian 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 £170 on Virgin Atlantic. Other airlines that offer cheap prices include Delta from £170 and KLM from £170 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, October is the cheapest month in which you can book a flight from Wisconsin to London Heathrow Airport (average of £423). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of £837). 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
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

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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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Los Angeles to London City flights
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O'Hare Intl to Gatwick flights
Minneapolis to Heathrow flights
Boston to Stansted flights
O'Hare Intl to London City flights
San Francisco to London City flights
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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?

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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.

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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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