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Cheap flights from Wisconsin to London Heathrow Airport from £254

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
16 heinä — 23 heinä1
1 adult

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 11 heinäkuu 2025.

Round-trip from

£401

One-way from

£254

Popular in

December

Cheapest in

February

Average price

£808
Icelandair
  • Icelandair
  • 28/8-12/9
  • 2 total stops
  • 30h 05m total
  • Wisconsin to London
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Icelandair
  • Icelandair
  • 17/9
  • 1 total stop
  • 18h 55m total
  • Wisconsin to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Wisconsin to Heathrow

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 11 heinäkuu 2025.

to 28/819:30MSP - LHR
1 stop18h 50mIcelandair
pe 12/913:05LHR - MSP
1 stop11h 15mIcelandair
Deal found 9/7£401
pe 7/1118:30MSP - LHR
1 stop18h 45mMultiple Airlines
ke 19/1107:50LHR - MSP
1 stop15h 05mMultiple Airlines
Deal found 10/7£408
ti 21/1018:59MSP - LHR
1 stop17h 56mAer Lingus
ti 28/1008:50LHR - MSP
1 stop14h 05mAer Lingus
Deal found 8/7£419
ke 24/916:35GRB - LHR
1 stop12h 30mBritish Airways
pe 3/1006:15LHR - GRB
2 stops17h 41mBritish Airways
Deal found 9/7£453
ke 10/1207:00MKE - LHR
2 stops18h 10mMultiple Airlines
ma 15/1220:15LHR - MKE
2 stops31h 32mMultiple Airlines
Deal found 11/7£453
su 12/1016:55ORD - LHR
Nonstop7h 55mBritish Airways
ke 22/1012:15LHR - ORD
Nonstop8h 35mBritish Airways
Deal found 11/7£457
su 20/719:25ORD - LHR
1 stop10h 30mIcelandair
ke 17/913:05LHR - ORD
1 stop11h 10mIcelandair
Deal found 10/7£459
la 16/818:05ORD - LHR
Nonstop8h 15mUnited Airlines
ma 25/811:05LHR - ORD
Nonstop9h 05mUnited Airlines
Deal found 10/7£460
ma 25/818:44MSN - LHR
1 stop9h 46mBritish Airways
ke 3/919:30LHR - MSN
2 stops26h 34mBritish Airways
Deal found 11/7£460
ti 26/815:58MSN - LHR
2 stops32h 32mMultiple Airlines
ke 3/910:50LHR - MSN
2 stops17h 33mMultiple Airlines
Deal found 11/7£463
ke 15/1013:20GRB - LHR
1 stop11h 00mUnited Airlines
ke 22/1014:05LHR - GRB
2 stops29h 59mUnited Airlines
Deal found 9/7£464
ke 15/1010:50MKE - LHR
1 stop13h 30mUnited Airlines
ke 22/1014:05LHR - MKE
2 stops33h 34mUnited Airlines
Deal found 9/7£464

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 11 heinäkuu 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

to 28/8

19:30-20:20

1 stop18h 50m

London Heathrow

pe 12/9

13:05-18:20

1 stop11h 15m

£401

MinneapolisLondon

MSP - LHR

MSPLHR

Minneapolis St Paul

pe 7/11

18:30-19:15

1 stop18h 45m

London Heathrow

ke 19/11

07:50-16:55

1 stop15h 05m

£408

MinneapolisLondon

MSP - LHR

MSPLHR

Minneapolis St Paul

ti 21/10

18:59-18:55

1 stop17h 56m

London Heathrow

ti 28/10

08:50-17:55

1 stop14h 05m

£419

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

ke 24/9

16:35-11:05

1 stop12h 30m

London Heathrow

pe 3/10

06:15-17:56

2 stops17h 41m

£453

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

ke 10/12

07:00-07:10

2 stops18h 10m

London Heathrow

ma 15/12

20:15-21:47

2 stops31h 32m

£453

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

su 12/10

16:55-06:50

Nonstop7h 55m

London Heathrow

ke 22/10

12:15-14:50

Nonstop8h 35m

£457

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

ma 21/7

19:25-11:55

1 stop10h 30m

London Heathrow

ke 17/9

13:05-18:15

1 stop11h 10m

£459

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

la 16/8

18:05-08:20

Nonstop8h 15m

London Heathrow

la 23/8

14:10-17:20

Nonstop9h 10m

£460

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

ma 25/8

18:44-10:30

1 stop9h 46m

London Heathrow

ke 3/9

19:30-16:04

2 stops26h 34m

£460

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

ti 26/8

15:58-06:30

2 stops32h 32m

London Heathrow

ke 3/9

10:50-22:23

2 stops17h 33m

£463

Flights are sorted by cheapest return flights first.

Deals found on 11/7

Showing 1-10 of 60 results
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6

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 £112). Flying from Wisconsin to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 11 heinäkuu 2025.
Read through reviews of airlines operating flights from Wisconsin to London Heathrow Airport, such as Delta, KLM, andAustrian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,951 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,372 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
811 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,467 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,655 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 £254 on Icelandair. Other airlines that offer cheap prices include JetBlue from £260 and Air Canada from £269 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, January is the cheapest month in which you can book a flight from Wisconsin to London Heathrow Airport (average of £112). Flying from Wisconsin to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Wisconsin?

Book flights to Wisconsin if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Folkestone
Southend-on-Sea
Watford
Winchester
Swindon
Maidstone

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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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How does Cheapflights help users find flights 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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