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$231+ 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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
Aug 30 — Sep 61
Sat 8/30
Sat 9/6
1 adult, Economy
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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 August 25, 2025.

Round-trip from

$503
(FlightHub)

One-way from

$231
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$843
From Wisconsin to London Heathrow
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One-way flight from Wisconsin to London Heathrow
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Highest demand for flights based on searches. 11% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 25, 2025.

This oojo deal was found by Cheapflights users on 8/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:25 pmORD - LHR
1 stop10h 30mIcelandair
Sun 11/912:15 pmLHR - ORD
1 stop11h 05mIcelandair
Deal found 8/25$503
This Cheapflightsfares deal was found by Cheapflights users on 8/23. 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.
Fri 11/77:20 pmORD - LHR
2 stops15h 05mScandinavian Airlines
Thu 11/137:05 amLHR - ORD
2 stops15h 40mScandinavian Airlines
Deal found 8/23$504
This oojo deal was found by Cheapflights users on 8/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:25 pmORD - LHR
1 stop10h 30mIcelandair
Sun 10/59:25 pmLHR - ORD
1 stop26h 50mIcelandair
Deal found 8/23$505
This FlightHub deal was found by Cheapflights users on 8/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:20 pmORD - LHR
1 stop32h 00mScandinavian Airlines
Sun 11/96:40 pmLHR - ORD
1 stop28h 05mScandinavian Airlines
Deal found 8/23$506
This eDestinos deal was found by Cheapflights users on 8/23. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/259:15 pmORD - LHR
Nonstop7h 50mBritish Airways
Tue 10/71:10 pmLHR - ORD
Nonstop8h 45mBritish Airways
Deal found 8/23$507
This Mytrip deal was found by Cheapflights users on 8/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/610:15 pmORD - LHR
1 stop31h 40mIcelandair
Sat 9/139:25 pmLHR - ORD
1 stop29h 50mIcelandair
Deal found 8/24$508
This Gotogate deal was found by Cheapflights users on 8/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:25 pmORD - LHR
1 stop10h 30mIcelandair
Tue 9/169:25 pmLHR - ORD
1 stop26h 50mIcelandair
Deal found 8/24$509
This oojo deal was found by Cheapflights users on 8/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:25 pmORD - LHR
1 stop18h 55mIcelandair
Mon 9/159:25 pmLHR - ORD
1 stop26h 50mIcelandair
Deal found 8/23$510
This oojo deal was found by Cheapflights users on 8/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:25 pmORD - LHR
1 stop18h 55mIcelandair
Sat 9/139:25 pmLHR - ORD
1 stop29h 50mIcelandair
Deal found 8/23$511
This FlightHub deal was found by Cheapflights users on 8/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:25 pmORD - LHR
1 stop10h 30mIcelandair
Wed 9/241:05 pmLHR - ORD
1 stop11h 10mIcelandair
Deal found 8/23$512
This Iberia deal was found by Cheapflights users on 8/23. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:10 pmORD - LHR
Nonstop7h 45mIberia
Tue 12/97:40 pmLHR - ORD
1 stop24h 50mIberia
Deal found 8/23$513
This Gurufare deal was found by Cheapflights users on 8/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:30 pmORD - LHR
1 stop10h 20mIcelandair
Tue 11/1112:15 pmLHR - ORD
1 stop11h 05mIcelandair
Deal found 8/25$514

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 August 25, 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

Mon 9/8

1:25 pm-6:25 am

1 stop11h 00m

London Heathrow

Tue 9/16

6:15 am-3:00 pm

1 stop14h 45m

$516

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 11/23

2:30 pm-8:45 am

1 stop12h 15m

London Heathrow

Thu 12/4

9:00 am-3:10 pm

1 stop12h 10m

$519

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 9/24

2:05 pm-6:45 am

1 stop10h 40m

London Heathrow

Wed 10/1

9:00 am-3:00 pm

1 stop12h 00m

$520

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 9/8

1:30 pm-6:45 am

1 stop11h 15m

London Heathrow

Tue 9/16

9:00 am-3:00 pm

1 stop12h 00m

$520

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 9/10

1:25 pm-7:15 am

1 stop11h 50m

London Heathrow

Fri 9/19

6:15 am-3:00 pm

1 stop14h 45m

$520

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 10/22

1:26 pm-6:45 am

1 stop11h 19m

London Heathrow

Wed 10/29

9:00 am-4:10 pm

1 stop12h 10m

$520

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 10/19

7:59 pm-1:30 pm

1 stop11h 31m

London Heathrow

Wed 10/29

9:00 am-4:10 pm

1 stop12h 10m

$520

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 9/1

7:00 am-6:45 am

1 stop17h 45m

London Heathrow

Wed 9/10

6:15 am-3:00 pm

1 stop14h 45m

$520

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 9/2

10:15 am-6:45 am

1 stop14h 30m

London Heathrow

Tue 9/9

6:15 am-3:00 pm

1 stop14h 45m

$520

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 9/7

2:25 pm-9:50 am

1 stop13h 25m

London Heathrow

Fri 9/19

6:15 am-3:00 pm

1 stop14h 45m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/23

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, November is the cheapest month in which you can book a flight from Wisconsin to London Heathrow Airport (average of $661). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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 August 25, 2025.

When flying from Wisconsin to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 $516, Delta can have you in London Heathrow Airport from Wisconsin in 11h. 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 cheapest airlines to fly from Wisconsin to London Heathrow Airport one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $231. Users have also found prices from $231 and $366 on TAP AIR PORTUGAL and JetBlue, respectively.

  • 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, November is the cheapest month in which you can book a flight from Wisconsin to London Heathrow Airport (average of $661). Flying from Wisconsin to London Heathrow Airport in June is currently the most expensive (average of $1,098). 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
Hounslow
Hayes
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Dartford
Dover
Stratford-upon-Avon
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Chelmsford
Bedford
Wembley
Folkestone

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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Los Angeles to London City flights
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Minneapolis to Heathrow flights
Seattle to Gatwick flights
Los Angeles to Gatwick flights
O'Hare Intl to London City flights
Dallas/Fort Worth to Gatwick flights
San Francisco to Gatwick flights
LaGuardia to London City flights
Orlando to Gatwick flights
Charlotte to Heathrow flights
San Francisco to London City flights
Tampa to Heathrow flights
Boston to Stansted flights
Dulles Intl to Stansted flights
Detroit 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 August 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$650Average$817FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$695Average$887FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$699Average$1,059FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$703Average$927FlexibilityNo cancel feeOn-time72%
DeltaCheapest$736Average$1,004FlexibilityNo cancel feeOn-timeN/A

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