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$285+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$621
(lastminute.com)

One-way from

$285
(Icelandair)

Popular in

December

Cheapest in

October

Average price

$802
Provider with most accurate pricing for Milwaukee-Mitchell-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Milwaukee-Mitchell-London (LON) flights.
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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. 7% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 4/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:15 pmORD - LHR
1 stop17h 15mScandinavian Airlines
Tue 9/23:35 pmLHR - ORD
2 stops54h 35mScandinavian Airlines
Deal found 4/29$613
This Iberia deal was found by Cheapflights users on 4/29. 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.
Wed 4/3010:20 pmORD - LHR
Nonstop7h 55mIberia
Tue 5/61:30 pmLHR - ORD
1 stop13h 03mIberia
Deal found 4/29$614
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:59 pmORD - LHR
1 stop11h 11mDelta
Fri 10/179:40 amLHR - ORD
1 stop14h 05mDelta
Deal found 4/29$616
This oojo deal was found by Cheapflights users on 4/29. 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.
Fri 10/37:25 pmORD - LHR
1 stop10h 30mIcelandair
Mon 10/139:25 pmLHR - ORD
1 stop26h 50mIcelandair
Deal found 4/29$617
This lastminute.com deal was found by Cheapflights users on 4/29. 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 5/43:45 pmORD - LHR
1 stop10h 15mAer Lingus
Tue 5/138:50 amLHR - ORD
1 stop11h 10mAer Lingus
Deal found 4/29$621
This StudentUniverse deal was found by Cheapflights users on 4/29. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/610:25 pmORD - LHR
Nonstop7h 50mFinnair
Wed 5/2110:20 amLHR - ORD
1 stop13h 30mFinnair
Deal found 4/29$633
This Gotogate deal was found by Cheapflights users on 4/29. 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.
Tue 5/610:40 amORD - LHR
1 stop17h 20mMultiple Airlines
Mon 5/125:10 pmLHR - ORD
1 stop25h 00mMultiple Airlines
Deal found 4/29$647
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:35 pmORD - LHR
1 stop13h 55mJetBlue
Tue 10/1411:55 amLHR - ORD
1 stop14h 59mJetBlue
Deal found 4/29$649
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Tue 8/199:15 pmORD - LHR
Nonstop7h 40mBritish Airways
Thu 9/49:15 amLHR - ORD
Nonstop8h 35mBritish Airways
Deal found 4/29$654
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/303:10 pmORD - LHR
1 stop11h 55mAmerican Airlines
Mon 5/52:25 pmLHR - ORD
Nonstop8h 35mAmerican Airlines
Deal found 4/29$661
This United Airlines deal was found by Cheapflights users on 4/29. 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 8/206:05 pmORD - LHR
Nonstop8h 15mUnited Airlines
Tue 9/98:45 amLHR - ORD
1 stop13h 10mUnited Airlines
Deal found 4/29$662
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Mon 5/59:35 amORD - LHR
1 stop20h 15mAir Canada
Wed 5/148:40 amLHR - ORD
2 stops17h 32mAir Canada
Deal found 4/29$671

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 April 30, 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

Sun 5/4

3:45 pm-8:00 am

1 stop10h 15m

London Heathrow

Tue 5/13

8:50 am-2:00 pm

1 stop11h 10m

$621

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 5/13

1:30 pm-7:15 am

1 stop11h 45m

London Heathrow

Fri 5/30

9:00 am-3:00 pm

1 stop12h 00m

$623

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 5/14

8:30 pm-10:30 am

Nonstop8h 00m

London Heathrow

Thu 5/22

2:25 pm-5:00 pm

Nonstop8h 35m

$626

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 5/7

10:15 pm-8:20 pm

1 stop16h 05m

London Heathrow

Wed 5/14

1:05 pm-6:15 pm

1 stop11h 10m

$628

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 5/6

10:25 pm-12:15 pm

Nonstop7h 50m

London Heathrow

Wed 5/21

10:20 am-5:50 pm

1 stop13h 30m

$633

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 5/6

10:40 am-10:00 am

1 stop17h 20m

London Heathrow

Mon 5/12

5:10 pm-12:10 pm

1 stop25h 00m

$647

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 5/13

4:05 pm-6:20 am

Nonstop8h 15m

London Heathrow

Mon 8/18

8:40 am-12:10 pm

1 stop33h 30m

$662

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 5/5

9:35 am-11:50 am

1 stop20h 15m

London Heathrow

Wed 5/14

8:40 am-8:12 pm

2 stops17h 32m

$671

MinneapolisLondon

MSP - LHR

MSPLHR

Minneapolis St Paul

Wed 9/17

7:10 am-4:00 pm

2 stops26h 50m

London Heathrow

Sun 10/5

5:00 pm-9:41 pm

2 stops34h 41m

$682

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 5/12

5:40 pm-7:20 am

Nonstop7h 40m

London Heathrow

Fri 6/6

7:40 am-3:45 pm

1 stop14h 05m

$685

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 $1,110). 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 April 30, 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated April 30, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Wisconsin to London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $285. Users have also found prices from $286 and $360 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 $1,110). 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 Wisconsin?

Book flights to Wisconsin if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

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

Top 7 airlines flying from Wisconsin to Heathrow

Discover the top 7 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$555Average$758FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$566Average$1,054FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$613Average$1,007FlexibilityNo cancel feeOn-time71%
DeltaCheapest$613Average$950FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$646Average$941FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$695Average$837FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$703Average$922FlexibilityNo cancel feeOn-time72%

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