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Cheap flights from Wisconsin to London from £152

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LON
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 18 September 2025.

Round-trip from

£370

One-way from

£152

Popular in

December

Cheapest in

November

Average price

£547
Air Canada
  • Air Canada
  • 5/11-11/11
  • 3 total stops
  • 27h 59m total
  • Wisconsin to London
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WestJet
  • WestJet
  • 25/10
  • 2 total stops
  • 17h 50m total
  • Wisconsin to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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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 18 September 2025.

Wed 5/1112:50ORD - LHR
1 stop12h 20mAir Canada
Tue 11/1109:00LHR - ORD
2 stops15h 39mAir Canada
Deal found 15/9£370
Mon 1/1212:50ORD - LHR
1 stop12h 20mMultiple Airlines
Tue 9/1209:00LHR - ORD
2 stops15h 52mMultiple Airlines
Deal found 16/9£371
Wed 22/1018:00ORD - LHR
Nonstop8h 20mUnited Airlines
Fri 31/1006:50LHR - ORD
1 stop11h 20mUnited Airlines
Deal found 16/9£371
Wed 22/1006:00ORD - LGW
1 stop22h 00mMultiple Airlines
Thu 30/1014:00LGW - ORD
1 stop33h 46mMultiple Airlines
Deal found 17/9£371
Sun 28/910:40ORD - LHR
1 stop13h 50mAir Canada
Tue 7/1006:50LHR - ORD
2 stops13h 58mAir Canada
Deal found 16/9£372
Fri 5/1218:30ORD - STN
2 stops20h 05mMultiple Airlines
Sat 13/1221:00STN - ORD
2 stops26h 20mMultiple Airlines
Deal found 17/9£372
Tue 23/922:35ORD - LHR
Nonstop7h 40mFinnair
Fri 3/1014:25LHR - ORD
Nonstop8h 35mFinnair
Deal found 16/9£374
Mon 29/916:20ORD - LHR
1 stop16h 00mAustrian Airlines
Tue 21/1006:00LHR - ORD
1 stop13h 20mAustrian Airlines
Deal found 16/9£374
Wed 22/1006:40ORD - LGW
1 stop17h 40mMultiple Airlines
Fri 5/1214:00LGW - ORD
2 stops25h 44mMultiple Airlines
Deal found 17/9£374
Wed 5/1115:35ORD - STN
2 stops23h 20mMultiple Airlines
Tue 11/1107:40STN - ORD
2 stops18h 20mMultiple Airlines
Deal found 15/9£374
Sat 6/1218:30ORD - LTN
2 stops15h 35mMultiple Airlines
Sat 13/1206:00LTN - ORD
2 stops17h 20mMultiple Airlines
Deal found 17/9£375
Wed 5/1115:50ORD - LHR
1 stop13h 35mDelta
Thu 20/1106:20LHR - ORD
1 stop14h 50mDelta
Deal found 17/9£375

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 18 September 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 - LHR

ORDLHR

Chicago O'Hare Intl

Mon 1/12

17:50-07:55

Nonstop8h 05m

London Heathrow

Tue 9/12

06:50-12:10

1 stop11h 20m

£371

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 3/12

18:30-23:05

2 stops22h 35m

London Luton

Sun 7/12

08:05-17:20

2 stops15h 15m

£377

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 30/9

13:00-06:25

1 stop11h 25m

London Heathrow

Tue 7/10

06:30-14:10

1 stop13h 40m

£378

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 28/9

20:10-13:10

1 stop11h 00m

London Heathrow

Tue 21/10

08:40-14:10

1 stop11h 30m

£378

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 25/2

21:45-11:35

Nonstop7h 50m

London Heathrow

Fri 6/3

11:00-13:50

Nonstop8h 50m

£380

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 10/12

15:45-05:55

Nonstop8h 10m

London Heathrow

Fri 19/12

07:40-11:00

Nonstop9h 20m

£380

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 7/10

16:00-06:20

Nonstop8h 20m

London Heathrow

Tue 14/10

11:05-14:10

Nonstop9h 05m

£380

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 15/10

15:35-09:35

1 stop12h 00m

London Heathrow

Wed 29/10

07:40-12:00

Nonstop9h 20m

£380

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 28/9

21:25-11:45

Nonstop8h 20m

London Heathrow

Wed 15/10

08:30-11:30

Nonstop9h 00m

£380

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 11/3

19:30-10:55

1 stop10h 25m

London Gatwick

Mon 16/3

11:55-18:20

1 stop11h 25m

£380

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 results
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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 return 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, January is the cheapest month in which you can book a flight from Wisconsin to London (average of £112). Flying from Wisconsin to London in August is currently the most expensive (average of £164). 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.

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.

  • How long is the flight from Wisconsin to London?

    Airlines like United Airlines, Delta, and Icelandair fly from Wisconsin to London in about 8h 05m. The time it takes to get you to your destination can typically vary by up to 3h 20m. Wisconsin and London are separated by a distance of 3939 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Wisconsin to London one-way?

    The cheapet airlines for a one-way flight from Wisconsin to London are WestJet (£162), TAP AIR PORTUGAL (£180), and SWISS (£286).

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

    The most popular route from Wisconsin to London is Chicago O'Hare Intl - London Heathrow. You may also consider Chicago O'Hare Intl - London Gatwick or 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 holiday 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, January is the cheapest month in which you can book a flight from Wisconsin to London (average of £112). Flying from Wisconsin to London in August is currently the most expensive (average of £164). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Slough
Gatwick
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Dartford
Guildford
Brentford
Bishop's Stortford
Romford

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Alternative routes for Wisconsin to London

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Wisconsin to London?

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Can Cheapflights find flights from Wisconsin to London with no change fees?

Yes, we can. To see specific flights from Wisconsin to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Wisconsin to London become cheaper?

Yes, Cheapflights offers price alerts on Wisconsin to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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