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Heathrow

$254+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
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 January 22, 2026.

This oojo deal was found by Cheapflights users on 1/20. 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.
Wed 4/227:25 pm
ORD
-
LHR
1 stop18h 55m
Icelandair
Tue 5/51:05 pm
LHR
-
ORD
1 stop11h 10m
Icelandair
Deal found 1/20$518
This oojo deal was found by Cheapflights users on 1/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:25 pm
ORD
-
LHR
1 stop10h 30m
Icelandair
Tue 5/51:05 pm
LHR
-
ORD
1 stop11h 10m
Icelandair
Deal found 1/22$519
This oojo deal was found by Cheapflights users on 1/20. 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.
Wed 4/17:25 pm
ORD
-
LHR
1 stop10h 30m
Icelandair
Tue 5/129:25 pm
LHR
-
ORD
1 stop26h 50m
Icelandair
Deal found 1/20$520
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:30 pm
ORD
-
LHR
1 stop10h 20m
Icelandair
Tue 3/312:15 pm
LHR
-
ORD
1 stop11h 05m
Icelandair
Deal found 1/21$521
This oojo deal was found by Cheapflights users on 1/20. 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.
Tue 1/276:30 pm
ORD
-
LHR
1 stop19h 00m
Icelandair
Tue 2/312:15 pm
LHR
-
ORD
1 stop11h 05m
Icelandair
Deal found 1/20$522
This KAYAK deal was found by Cheapflights users on 1/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:30 pm
ORD
-
LHR
1 stop10h 20m
Icelandair
Mon 3/28:35 pm
LHR
-
ORD
1 stop26h 45m
Icelandair
Deal found 1/21$523
This KAYAK deal was found by Cheapflights users on 1/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:30 pm
ORD
-
LHR
1 stop10h 20m
Icelandair
Wed 3/118:35 pm
LHR
-
ORD
1 stop26h 45m
Icelandair
Deal found 1/22$524
This oojo deal was found by Cheapflights users on 1/20. 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.
Thu 5/77:25 pm
ORD
-
LHR
1 stop18h 55m
Icelandair
Wed 5/131:05 pm
LHR
-
ORD
1 stop11h 10m
Icelandair
Deal found 1/20$526
This oojo deal was found by Cheapflights users on 1/20. 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.
Tue 5/57:25 pm
ORD
-
LHR
1 stop18h 55m
Icelandair
Sun 5/109:25 pm
LHR
-
ORD
1 stop26h 50m
Icelandair
Deal found 1/20$527
This oojo deal was found by Cheapflights users on 1/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:25 pm
ORD
-
LHR
1 stop18h 55m
Icelandair
Tue 9/229:25 pm
LHR
-
ORD
1 stop30h 00m
Icelandair
Deal found 1/22$528
This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:30 pm
ORD
-
LHR
2 stops19h 35m
Multiple Airlines
Mon 3/98:50 pm
LHR
-
ORD
2 stops26h 30m
Multiple Airlines
Deal found 1/21$529
This FlightHub deal was found by Cheapflights users on 1/20. 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.
Thu 4/307:25 pm
ORD
-
LHR
1 stop18h 55m
Icelandair
Mon 5/41:05 pm
LHR
-
ORD
1 stop11h 10m
Icelandair
Deal found 1/20$530

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 January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$518
(oojo)

One-way from

$254
(Delta)

Popular in

June

Cheapest in

January

Average price

$653
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 ($221 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 22, 2026.
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 3/4

9:45 pm-11:35 am

Nonstop7h 50m

London Heathrow

Mon 3/9

8:45 pm-6:55 pm

1 stop27h 10m

$571

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 3/30

8:40 pm-10:30 am

Nonstop7h 50m

London Heathrow

Thu 4/16

8:50 am-2:00 pm

1 stop11h 10m

$580

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 2/25

8:35 pm-10:25 am

Nonstop7h 50m

London Heathrow

Mon 3/2

7:40 pm-2:55 pm

1 stop25h 15m

$584

MilwaukeeLondon

MKE - LHR

MKELHR

Milwaukee-Mitchell

Tue 2/24

4:47 pm-8:15 am

1 stop9h 28m

London Heathrow

Tue 3/3

6:05 am-10:57 pm

2 stops22h 52m

$588

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 3/31

8:40 pm-10:30 am

Nonstop7h 50m

London Heathrow

Mon 4/6

7:35 pm-2:00 pm

1 stop24h 25m

$592

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 2/16

9:15 pm-11:15 am

Nonstop8h 00m

London Heathrow

Tue 2/24

7:25 am-10:45 am

Nonstop9h 20m

$593

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 2/22

5:10 pm-6:55 am

Nonstop7h 45m

London Heathrow

Tue 3/3

12:35 pm-3:25 pm

Nonstop8h 50m

$593

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 3/18

7:15 am-7:10 am

1 stop18h 55m

London Heathrow

Thu 3/26

7:40 am-12:00 pm

Nonstop9h 20m

$597

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sat 2/28

7:20 pm-6:30 pm

1 stop17h 10m

London Heathrow

Wed 4/22

6:40 am-4:10 pm

1 stop15h 30m

$621

WausauLondon

CWA - LHR

CWALHR

Wausau Central Wisconsin

Wed 4/29

2:00 pm-6:50 am

1 stop10h 50m

London Heathrow

Fri 5/8

11:10 am-11:49 pm

1 stop18h 39m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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 $1,109). 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 $571, British Airways can have you in London Heathrow Airport from Wisconsin in 7h 50m. 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 $1,109). 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
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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
Newark to Heathrow flights
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San Francisco to Heathrow flights
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John F Kennedy Intl to Gatwick flights
Dallas/Fort Worth to Heathrow flights
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John F Kennedy Intl to Luton flights
Miami to Heathrow flights
Atlanta to Heathrow flights
Boston to London City flights
Orlando to Heathrow flights
Reagan-National to Heathrow flights
Hobby to Heathrow flights
Newark to London City flights
Dulles Intl to Gatwick flights
Newark to Luton flights
Newark to Stansted flights
Denver to Heathrow flights
Dulles Intl to London City flights
Philadelphia to Heathrow flights
Tampa to Heathrow flights
Dulles Intl to Stansted flights
Los Angeles to Gatwick flights
Boston to Stansted flights
Baltimore to Gatwick flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
Minneapolis to Heathrow flights
Reagan-National to Gatwick flights
Los Angeles to London City flights
O'Hare Intl to London City flights
Los Angeles to Stansted flights
Seattle to Gatwick flights
O'Hare Intl to Stansted flights
George Bush Intcntl to Heathrow flights
San Francisco to London City flights
Dallas/Fort Worth to Gatwick flights
Austin to Heathrow flights
Charlotte to Heathrow 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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$622Average$986FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$632Average$850FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$650Average$805FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$663Average$1,088FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$676Average$897FlexibilityNo cancel feeOn-time69%

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