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$271+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
Mar 10 — Mar 171
Mon 3/10
Mon 3/17
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 March 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$585
(Cheapflightsfares)

One-way from

$271
(Expedia)

Popular in

December

Cheapest in

February

Average price

$856
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. 6% potential increase in price ($62 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 March 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 March 5, 2025.

This eDestinos deal was found by Cheapflights users on 3/3. 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 9/2510:35 pmORD - LHR
Nonstop7h 40mIberia
Tue 10/79:15 amLHR - ORD
Nonstop8h 35mIberia
Deal found 3/3$585
This Gotogate deal was found by Cheapflights users on 3/4. 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.
Fri 4/257:30 pmORD - LHR
1 stop10h 25mIcelandair
Sun 4/279:25 pmLHR - ORD
1 stop26h 55mIcelandair
Deal found 3/4$586
This oojo deal was found by Cheapflights users on 3/5. 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.
Sun 3/98:55 pmORD - LHR
2 stops19h 40mScandinavian Airlines
Thu 3/276:40 amLHR - ORD
1 stop17h 10mScandinavian Airlines
Deal found 3/5$590
This Gotogate deal was found by Cheapflights users on 3/4. 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.
Wed 3/193:40 pmORD - LHR
1 stop37h 30mMultiple Airlines
Tue 4/16:40 pmLHR - ORD
1 stop23h 30mMultiple Airlines
Deal found 3/4$608
This oojo deal was found by Cheapflights users on 3/3. 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 3/171:33 pmORD - LHR
1 stop12h 27mBritish Airways
Thu 4/1010:20 amLHR - ORD
1 stop13h 30mBritish Airways
Deal found 3/3$610
This United Airlines deal was found by Cheapflights users on 3/4. 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.
Fri 4/254:05 pmORD - LHR
Nonstop8h 15mUnited Airlines
Tue 5/61:45 pmLHR - ORD
1 stop28h 25mUnited Airlines
Deal found 3/4$616
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 3/178:05 pmORD - LHR
1 stop11h 55mSWISS
Mon 4/76:00 amLHR - ORD
1 stop12h 10mSWISS
Deal found 3/5$624
This Delta deal was found by Cheapflights users on 3/5. 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.
Mon 4/282:45 pmORD - LHR
1 stop12h 30mDelta
Wed 5/146:15 amLHR - ORD
1 stop14h 45mDelta
Deal found 3/5$631
This KLM deal was found by Cheapflights users on 3/5. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/192:40 pmORD - LHR
1 stop11h 25mKLM
Tue 4/88:40 amLHR - ORD
1 stop12h 00mKLM
Deal found 3/5$632
This Booking.com deal was found by Cheapflights users on 3/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:30 pmORD - LHR
1 stop13h 35mFinnair
Fri 5/99:30 amLHR - ORD
1 stop14h 20mFinnair
Deal found 3/5$648
This oojo deal was found by Cheapflights users on 3/5. 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 4/712:14 pmMSP - LHR
1 stop12h 36mBritish Airways
Wed 4/3010:20 amLHR - MSP
2 stops19h 43mBritish Airways
Deal found 3/5$650
This Air Canada deal was found by Cheapflights users on 3/3. 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.
Tue 3/1810:53 amORD - LHR
2 stops15h 17mAir Canada
Wed 4/29:30 amLHR - ORD
2 stops15h 24mAir Canada
Deal found 3/3$669

Find flights from Wisconsin to Heathrow within your budget

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 March 5, 2025.

Fly from

Wisconsin

Fly to

Heathrow

Route

Depart

Return

Price

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 4/7

8:20 pm-10:30 am

Nonstop8h 10m

London Heathrow

Wed 4/30

2:25 pm-5:00 pm

Nonstop8h 35m

$585

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 4/25

7:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Sun 4/27

9:25 pm-6:20 pm

1 stop26h 55m

$586

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 3/9

8:55 pm-9:35 pm

2 stops19h 40m

London Heathrow

Thu 3/27

6:40 am-6:50 pm

1 stop17h 10m

$590

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 3/19

3:40 pm-10:10 am

1 stop37h 30m

London Heathrow

Tue 4/1

6:40 pm-12:10 pm

1 stop23h 30m

$608

MinneapolisLondon

MSP - LHR

MSPLHR

Minneapolis St Paul

Mon 8/25

3:24 pm-1:00 pm

2 stops15h 36m

London Heathrow

Wed 9/3

6:00 am-3:31 pm

2 stops15h 31m

$608

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 3/17

1:33 pm-7:00 am

1 stop12h 27m

London Heathrow

Thu 4/10

10:20 am-5:50 pm

1 stop13h 30m

$610

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 5/4

10:20 pm-12:15 pm

Nonstop7h 55m

London Heathrow

Fri 5/16

7:30 am-5:50 pm

1 stop16h 20m

$614

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 4/25

4:05 pm-6:20 am

Nonstop8h 15m

London Heathrow

Tue 5/6

1:45 pm-12:10 pm

1 stop28h 25m

$616

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 3/17

8:05 pm-1:00 pm

1 stop11h 55m

London Heathrow

Mon 4/7

6:00 am-12:10 pm

1 stop12h 10m

$624

MinneapolisLondon

MSP - LHR

MSPLHR

Minneapolis St Paul

Wed 4/16

6:59 pm-1:55 pm

1 stop12h 56m

London Heathrow

Mon 4/21

7:40 am-5:30 pm

1 stop15h 50m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

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.

Travel insights for flights from Wisconsin to Heathrow

Get recent, data-driven insights about flights from Wisconsin to Heathrow including ideal travel times, pricing trends, and more.

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 $1,128). 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 March 5, 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 March 5, 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
8,044 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

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
8,044 reviews
Delta
8.0
Very good
8,044 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

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
1,321 reviews
Delta
8.0
Very good
8,044 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

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
1,271 reviews
Delta
8.0
Very good
8,044 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

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
1,560 reviews
Delta
8.0
Very good
8,044 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

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
1,434 reviews
Delta
8.0
Very good
8,044 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Crew

8.5

Overall

8.0

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 JetBlue. According to our data, you can fly for as low as $271. Users have also found prices from $272 and $275 on Icelandair and Air Canada, 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 $1,128). 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
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Northampton
Gatwick
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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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
LaGuardia to Heathrow flights
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Boston to Heathrow flights
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San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
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Baltimore to Heathrow flights
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Newark to London City flights
Dallas/Fort Worth to Heathrow flights
Boston to Gatwick flights
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Atlanta to Heathrow flights
LaGuardia to Gatwick flights
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John F Kennedy Intl to Stansted flights
Denver to Heathrow flights
Boston to London City flights
Hobby to Heathrow flights
Dulles Intl to Gatwick flights
John F Kennedy Intl to Luton flights
Dulles Intl to London City flights
Los Angeles to London City flights
Orlando to Heathrow flights
Philadelphia to Heathrow flights
San Francisco to London City flights
George Bush Intcntl to Heathrow flights
San Francisco to Gatwick flights
O'Hare Intl to London City flights
Boston to Stansted flights
O'Hare Intl to Gatwick flights
Los Angeles to Gatwick flights
Baltimore to Gatwick flights
Charlotte to Heathrow flights
Minneapolis to Heathrow flights
Sky Harbor Intl to Heathrow flights
Seattle to Gatwick flights
Portland to Heathrow flights
Tampa to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Reagan-National to Gatwick flights
Newark to Luton flights
Raleigh to Heathrow flights
Seattle to London City 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 March 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$555Average$767FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$566Average$1,054FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$613Average$963FlexibilityNo cancel feeOn-time71%
DeltaCheapest$613Average$948FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$646Average$944FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$670Average$837FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$815Average$927FlexibilityNo cancel feeOn-time72%
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