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Heathrow

$223+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
Jan 6 — Jan 131
Tue 1/6
Tue 1/13
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 December 7, 2025.

This oojo deal was found by Cheapflights users on 12/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:30 pmORD - LHR
1 stop19h 00mIcelandair
Mon 1/128:35 pmLHR - ORD
1 stop26h 45mIcelandair
Deal found 12/7$573
This Kiwi.com deal was found by Cheapflights users on 12/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:05 pmORD - LHR
1 stop11h 35mMultiple Airlines
Thu 12/256:00 amLHR - ORD
1 stop12h 45mMultiple Airlines
Deal found 12/6$587
This Kiwi.com deal was found by Cheapflights users on 12/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/71:05 pmORD - LHR
1 stop11h 35mAustrian Airlines
Wed 12/246:00 amLHR - ORD
1 stop14h 00mAustrian Airlines
Deal found 12/6$589
This Billigflug deal was found by Cheapflights users on 12/7. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:50 pmORD - LHR
Nonstop8h 05mMultiple Airlines
Tue 12/166:00 amLHR - ORD
1 stop12h 45mMultiple Airlines
Deal found 12/7$601
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/91:05 pmORD - LHR
1 stop11h 35mAustrian Airlines
Tue 12/164:20 pmLHR - ORD
1 stop32h 11mAustrian Airlines
Deal found 12/7$602
This lastminute.com deal was found by Cheapflights users on 12/5. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:40 pmORD - LHR
1 stop11h 45mAer Lingus
Tue 12/168:50 amLHR - ORD
1 stop11h 10mAer Lingus
Deal found 12/5$605
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:05 pmORD - LHR
1 stop11h 35mAustrian Airlines
Tue 12/164:20 pmLHR - ORD
1 stop32h 11mAustrian Airlines
Deal found 12/7$607
This Kiwi.com deal was found by Cheapflights users on 12/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/71:05 pmORD - LHR
1 stop11h 35mAustrian Airlines
Tue 12/164:20 pmLHR - ORD
1 stop32h 11mAustrian Airlines
Deal found 12/5$608
This Kiwi.com deal was found by Cheapflights users on 12/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:24 pmORD - LHR
1 stop11h 16mAustrian Airlines
Fri 1/94:20 pmLHR - ORD
1 stop32h 17mAustrian Airlines
Deal found 12/5$611
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Wed 12/109:05 pmORD - LHR
Nonstop8h 10mUnited Airlines
Wed 12/246:35 amLHR - ORD
1 stop17h 50mUnited Airlines
Deal found 12/6$613
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Wed 12/105:50 pmORD - LHR
Nonstop8h 05mUnited Airlines
Tue 3/317:25 amLHR - ORD
1 stop12h 35mUnited Airlines
Deal found 12/6$614
This FlightHub deal was found by Cheapflights users on 12/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/612:04 pmMKE - LHR
2 stops13h 06mAir Canada
Sat 12/131:25 pmLHR - MKE
2 stops30h 19mAir Canada
Deal found 12/5$741

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 December 7, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$556
(Scandinavian Airlines)

One-way from

$223
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$1,062
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. 15% potential increase in price ($162 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 7, 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

Wed 4/22

7:30 am-9:35 am

2 stops20h 05m

London Heathrow

Mon 4/27

6:40 am-4:10 pm

1 stop15h 30m

$571

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 1/26

7:20 pm-4:00 pm

1 stop14h 40m

London Heathrow

Thu 1/29

6:40 pm-4:55 pm

1 stop28h 15m

$583

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Fri 2/6

10:13 am-9:00 am

1 stop16h 47m

London Heathrow

Sun 2/8

9:00 am-8:54 pm

2 stops17h 54m

$585

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 3/31

10:40 am-5:40 pm

2 stops25h 00m

London Heathrow

Tue 4/7

7:50 pm-4:10 pm

2 stops26h 20m

$590

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 2/1

7:10 pm-7:55 pm

2 stops18h 45m

London Heathrow

Thu 2/5

6:40 am-4:45 pm

2 stops16h 05m

$596

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Thu 2/5

7:05 am-5:40 pm

2 stops28h 35m

London Heathrow

Wed 2/11

6:40 am-8:58 pm

2 stops20h 18m

$599

AppletonLondon

ATW - LHR

ATWLHR

Appleton Intl

Wed 2/11

5:23 pm-9:00 pm

2 stops21h 37m

London Heathrow

Wed 2/18

6:35 am-4:44 pm

2 stops16h 09m

$613

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 1/13

5:50 pm-7:55 am

Nonstop8h 05m

London Heathrow

Fri 1/30

6:50 am-12:10 pm

1 stop11h 20m

$619

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Tue 4/28

12:18 pm-6:45 am

1 stop12h 27m

London Heathrow

Tue 5/5

7:25 am-8:54 pm

2 stops19h 29m

$619

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 1/7

9:05 pm-11:15 am

Nonstop8h 10m

London Heathrow

Thu 1/22

11:10 am-6:25 pm

1 stop13h 15m

$620

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

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 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 $558). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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.

What is the cheapest time of day to fly from WI to LHR?

Find hourly flight availability from Wisconsin to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 7, 2025.

When flying from Wisconsin to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 29% versus a flight in the morning.

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 $583, Scandinavian Airlines can have you in London Heathrow Airport from Wisconsin in 14h 40m. The distance from Wisconsin to London Heathrow Airport is about 3939 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 $558). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley

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.
John F Kennedy Intl to Heathrow flights
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John F Kennedy Intl to London City flights
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Newark to London City flights
Boston to Gatwick flights
Atlanta to Heathrow flights
Reagan-National to Heathrow flights
Dulles Intl to Gatwick flights
Hobby to Heathrow flights
Newark to Stansted flights
Boston to London City flights
Newark to Luton flights
Dulles Intl to London City flights
Miami to Heathrow flights
Philadelphia to Heathrow flights
Los Angeles to Gatwick flights
Orlando to Heathrow flights
Denver to Heathrow flights
San Francisco to Gatwick flights
Baltimore to Gatwick flights
Los Angeles to London City flights
Reagan-National to Gatwick flights
Dulles Intl to Stansted flights
Minneapolis to Heathrow flights
George Bush Intcntl to Heathrow flights
O'Hare Intl to Gatwick flights
San Francisco to London City flights
Tampa to Heathrow flights
O'Hare Intl to London City flights
Boston to Stansted flights
Detroit to Heathrow flights
Sky Harbor Intl to Heathrow flights
Seattle to Gatwick flights
Dallas/Fort Worth to Gatwick flights
Raleigh to Heathrow flights
Dulles Intl to Luton flights

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 December 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$622Average$986FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$632Average$880FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$650Average$822FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$676Average$914FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$687Average$1,144FlexibilityNo cancel feeOn-time71%

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