HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$226+ Cheap flights from Wisconsin to London (LON)

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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LON
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Wisconsin to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Wisconsin to London

Keep the following information in mind while searching for Wisconsin to London flight deals. Data was last updated August 13, 2025.

Round-trip from

$505
(FlightHub)

One-way from

$226
(Booking.com)

Popular in

December

Cheapest in

September

Average price

$830
From Wisconsin to London (LON)
Search Deals
One-way flight from Wisconsin to London (LON)
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Wisconsin to London

Cheapest flights from Wisconsin to London
Explore the most affordable flight options available from Wisconsin to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.

This oojo deal was found by Cheapflights users on 8/13. 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 8/13$505
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 8/249:25 pmORD - LHR
Nonstop8h 20mUnited Airlines
Tue 9/28:45 amLHR - ORD
1 stop13h 10mUnited Airlines
Deal found 8/13$506
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 12/36:30 pmORD - LTN
1 stop13h 00mMultiple Airlines
Sun 12/76:00 amLTN - ORD
1 stop17h 20mMultiple Airlines
Deal found 8/13$506
This oojo deal was found by Cheapflights users on 8/12. 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 8/187:25 pmORD - LGW
1 stop10h 20mIcelandair
Wed 8/273:35 pmLGW - ORD
1 stop11h 40mIcelandair
Deal found 8/12$506
This United deal was found by Cheapflights users on 8/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:00 pmORD - LHR
Nonstop8h 20mMultiple Airlines
Mon 9/297:30 pmLHR - ORD
1 stop23h 50mMultiple Airlines
Deal found 8/11$507
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Tue 8/266:05 pmORD - LHR
Nonstop8h 15mUnited Airlines
Tue 9/210:50 amLHR - ORD
1 stop13h 25mUnited Airlines
Deal found 8/11$508
This FlightHub deal was found by Cheapflights users on 8/12. 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.
Tue 9/97:25 pmORD - LGW
1 stop13h 15mIcelandair
Wed 9/173:35 pmLGW - ORD
1 stop11h 40mIcelandair
Deal found 8/12$508
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/31:12 pmORD - LHR
1 stop11h 33mUnited Airlines
Tue 9/98:45 amLHR - ORD
1 stop13h 10mUnited Airlines
Deal found 8/13$509
This FlightHub deal was found by Cheapflights users on 8/11. 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 9/410:15 pmORD - LGW
1 stop31h 30mIcelandair
Tue 9/91:00 pmLGW - ORD
1 stop11h 15mIcelandair
Deal found 8/11$509
This Air Canada deal was found by Cheapflights users on 8/11. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:40 amORD - LHR
1 stop13h 50mMultiple Airlines
Tue 11/49:00 amLHR - ORD
2 stops15h 39mMultiple Airlines
Deal found 8/11$510
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 12/16:30 pmORD - LTN
1 stop13h 30mMultiple Airlines
Sun 12/146:00 amLTN - ORD
1 stop17h 20mMultiple Airlines
Deal found 8/13$510
This Gurufare deal was found by Cheapflights users on 8/12. 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 10/237:25 pmORD - LGW
1 stop13h 15mIcelandair
Thu 11/611:55 amLGW - ORD
1 stop11h 25mIcelandair
Deal found 8/12$510

Cheapflights Fare Finder

 
Customize your flight search to find flights from Wisconsin to London 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 13, 2025.
Use the filters below to find and compare flights from Wisconsin to London that are best for you.

Fly from

Wisconsin

Fly to

London

Route

Depart

Return

Price

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 12/3

6:30 pm-1:30 pm

1 stop13h 00m

London Luton

Sun 12/7

6:00 am-5:20 pm

1 stop17h 20m

$506

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 9/2

10:15 pm-2:40 pm

1 stop10h 25m

London Gatwick

Wed 9/10

3:35 pm-9:15 pm

1 stop11h 40m

$506

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 9/22

6:00 pm-8:20 am

Nonstop8h 20m

London Heathrow

Mon 9/29

7:30 pm-1:20 pm

1 stop23h 50m

$507

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 9/10

9:25 pm-11:45 am

Nonstop8h 20m

London Heathrow

Wed 10/8

7:25 am-2:05 pm

1 stop12h 40m

$508

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 10/6

4:00 pm-6:20 am

Nonstop8h 20m

London Heathrow

Mon 10/13

9:05 am-1:20 pm

1 stop34h 15m

$508

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 9/9

7:25 pm-2:40 pm

1 stop13h 15m

London Gatwick

Sat 9/13

3:40 pm-6:15 pm

1 stop32h 35m

$508

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 10/7

10:40 am-6:30 am

1 stop13h 50m

London Heathrow

Tue 10/14

9:00 am-6:15 pm

1 stop15h 15m

$508

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 9/3

9:25 pm-11:45 am

Nonstop8h 20m

London Heathrow

Mon 9/8

7:30 pm-1:20 pm

1 stop23h 50m

$508

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 9/3

7:25 pm-11:45 am

1 stop10h 20m

London Gatwick

Mon 9/8

3:40 pm-6:15 pm

1 stop32h 35m

$508

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 10/8

10:40 am-6:30 am

1 stop13h 50m

London Heathrow

Tue 10/14

9:00 am-6:15 pm

1 stop15h 15m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Wisconsin to London

Have a flexible travel schedule? Discover the best time to fly to London 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

What is the cheapest month to book a flight from Wisconsin to London?

Currently, November is the cheapest month in which you can book a flight from Wisconsin to London (average of $661). Flying from Wisconsin to London in June is currently the most expensive (average of $1,097). 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 LON?

Find hourly flight availability from Wisconsin to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2025.

When flying from Wisconsin to London, 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 London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The most popular flight routes from Wisconsin to London are Chicago O'Hare Intl - London Heathrow, Chicago O'Hare Intl - London Gatwick and Chicago O'Hare Intl - London City.

  • Can I find deals for flights from Wisconsin to London that include hotel bookings?

    Yes. In addition to deals on Wisconsin to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Wisconsin to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wisconsin to London.

  • Can I find deals for business class flights from Wisconsin to London?

    Yes. Cheapflights offers flight deals from Wisconsin to London 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?

    Currently, November is the cheapest month in which you can book a flight from Wisconsin to London (average of $661). Flying from Wisconsin to London in June is currently the most expensive (average of $1,097). 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?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dartford
Dover
Orpington
Watford
Gatwick
Borehamwood
Aylesbury
Chelmsford
Southend-on-Sea
Folkestone
Chichester
Arundel
Eastbourne
Milton Keynes
Sutton

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 London

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

Top 5 airlines flying from Wisconsin to London

Discover the top 5 airlines that operate flights from Wisconsin to London. 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 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$650Average$824FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$688Average$1,074FlexibilityNo cancel feeOn-time71%
DeltaCheapest$695Average$987FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$697Average$884FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$703Average$927FlexibilityNo cancel feeOn-time72%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.