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$232+ Cheap flights from Wisconsin to Heathrow (LHR)

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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
Jul 25 — Aug 11
Sat 7/25
Sat 8/1
1 adult, Economy
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Cheap 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 June 25, 2026.

This Virgin Atlantic deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:19 pm
MKE
-
LHR
1 stop12h 01m
Virgin Atlantic
Wed 8/196:30 am
LHR
-
MKE
2 stops15h 32m
Virgin Atlantic
Deal found 6/24$466
This Virgin Atlantic deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:17 pm
MSN
-
LHR
1 stop12h 03m
Virgin Atlantic
Sat 10/241:25 pm
LHR
-
MSN
1 stop15h 09m
Virgin Atlantic
Deal found 6/25$475
This Virgin Atlantic deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:01 pm
MKE
-
LHR
1 stop16h 14m
Virgin Atlantic
Tue 8/186:15 am
LHR
-
MKE
2 stops15h 58m
Virgin Atlantic
Deal found 6/23$487
This Virgin Atlantic deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:59 pm
MKE
-
LHR
1 stop12h 06m
Virgin Atlantic
Thu 8/68:40 am
LHR
-
MKE
2 stops15h 37m
Virgin Atlantic
Deal found 6/23$663
This Virgin Atlantic deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:13 pm
MSN
-
LHR
1 stop12h 52m
Virgin Atlantic
Fri 7/2411:30 am
LHR
-
MSN
2 stops15h 29m
Virgin Atlantic
Deal found 6/24$666
This Virgin Atlantic deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:58 pm
MKE
-
LHR
1 stop11h 27m
Virgin Atlantic
Fri 7/249:40 am
LHR
-
MKE
2 stops15h 51m
Virgin Atlantic
Deal found 6/24$679
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:20 am
ATW
-
LHR
1 stop21h 40m
United Airlines
Wed 12/911:05 am
LHR
-
ATW
2 stops34h 05m
United Airlines
Deal found 6/21$736
This United Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:41 pm
ATW
-
LHR
2 stops13h 34m
United Airlines
Wed 10/217:45 am
LHR
-
ATW
2 stops21h 13m
United Airlines
Deal found 6/21$763
This Air France deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:00 am
CWA
-
LHR
1 stop18h 05m
Multiple Airlines
Wed 12/96:30 am
LHR
-
CWA
2 stops15h 18m
Multiple Airlines
Deal found 6/22$856
This Cheapflightsfares deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:18 pm
MKE
-
LHR
2 stops16h 47m
Lufthansa
Fri 11/68:45 am
LHR
-
MKE
2 stops20h 00m
Lufthansa
Deal found 6/23$858
This Iberia deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:48 pm
MKE
-
LHR
1 stop10h 52m
Iberia
Tue 9/296:15 am
LHR
-
MKE
2 stops19h 48m
Iberia
Deal found 6/24$859
This Orbitz deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:25 pm
MSN
-
LHR
1 stop9h 50m
Iberia
Tue 10/277:30 am
LHR
-
MSN
2 stops19h 03m
Iberia
Deal found 6/23$859

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 June 25, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$466
(Virgin Atlantic)

One-way from

$232
(Virgin Atlantic)

Popular in

June

Cheapest in

January

Average price

$1,255
Provider with most accurate pricing for Milwaukee-Mitchell-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-London (LON) flights.
Search Deals
From Wisconsin to London Heathrow
Search Deals
One-way flight from Wisconsin to London Heathrow
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($229 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated June 25, 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 round-trip

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 8/10

1:27 pm-10:20 am

2 stops14h 53m

London Heathrow

Tue 8/18

6:15 am-4:13 pm

2 stops15h 58m

$490

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 7/15

6:13 pm-1:05 pm

1 stop12h 52m

London Heathrow

Fri 7/24

11:30 am-8:59 pm

2 stops15h 29m

$666

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 9/22

8:05 am-6:45 am

1 stop16h 40m

London Heathrow

Tue 10/13

6:50 am-2:53 pm

2 stops14h 03m

$864

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Sun 9/13

10:31 am-9:00 am

1 stop16h 29m

London Heathrow

Wed 9/23

6:50 am-11:19 pm

2 stops22h 29m

$864

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 9/15

1:17 pm-6:45 am

1 stop11h 28m

London Heathrow

Fri 10/2

6:50 am-4:54 pm

2 stops16h 04m

$864

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 9/17

6:00 am-7:15 am

1 stop19h 15m

London Heathrow

Tue 9/22

6:50 am-3:11 pm

2 stops14h 21m

$864

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Mon 11/2

2:23 pm-7:55 am

1 stop11h 32m

London Heathrow

Mon 11/9

6:50 am-2:58 pm

2 stops14h 08m

$864

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Thu 11/5

9:50 am-5:55 am

1 stop14h 05m

London Heathrow

Thu 11/12

6:50 am-11:02 pm

2 stops22h 12m

$864

WausauLondon

CWA - LHR

CWALHR

Wausau Central Wisconsin

Mon 11/30

4:15 pm-1:50 pm

2 stops15h 35m

London Heathrow

Wed 12/9

6:30 am-9:12 pm

2 stops20h 42m

$865

Green BayLondon

GRB - LHR

GRBLHR

Green Bay Austin-Straubel

Tue 9/22

10:05 am-10:35 am

2 stops18h 30m

London Heathrow

Tue 10/13

6:15 am-7:48 pm

2 stops19h 33m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

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 round-trip 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 $568). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of $1,082). 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 to fly round-trip 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 $490, Virgin Atlantic can have you in London Heathrow Airport from Wisconsin in 14h 53m. The distance from Wisconsin to London Heathrow Airport is about 3894 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Wisconsin to London Heathrow Airport?

    The most popular route from Wisconsin to London Heathrow Airport is Chicago O'Hare Intl - London Heathrow. You may also consider Minneapolis St Paul - London Heathrow or Milwaukee-Mitchell - London Heathrow.

  • 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 vacation 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 $568). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of $1,082). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Wisconsin to Heathrow

Discover the top 5 airlines that operate flights from Wisconsin to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$596Average$1,092FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$624Average$809FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$629Average$834FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$652Average$1,107FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$659Average$1,022FlexibilityNo cancel feeOn-time71%

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