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$249+ 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 3/30. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — LHR
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Wisconsin to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Wisconsin (USWI) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$586
(oojo)

One-way from

$249
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$818
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. 9% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 30, 2025.

This oojo deal was found by Cheapflights users on 1/30. 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 2/37:40 pmORD - LHR
1 stop14h 20mScandinavian Airlines
Thu 2/137:05 amLHR - ORD
2 stops16h 45mScandinavian Airlines
Deal found 1/30$587
This FlightHub deal was found by Cheapflights users on 1/30. 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.
Wed 4/2310:15 pmORD - LHR
1 stop16h 05mIcelandair
Wed 4/309:25 pmLHR - ORD
1 stop26h 55mIcelandair
Deal found 1/30$588
This eDestinos deal was found by Cheapflights users on 1/29. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:00 pmORD - LHR
1 stop22h 05mTAP AIR PORTUGAL
Tue 10/77:50 pmLHR - ORD
1 stop26h 20mTAP AIR PORTUGAL
Deal found 1/29$594
This Booking.com deal was found by Cheapflights users on 1/30. 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.
Wed 2/129:00 pmORD - LHR
1 stop13h 50mAer Lingus
Tue 2/1812:10 pmLHR - ORD
1 stop13h 05mAer Lingus
Deal found 1/30$624
This Booking.com deal was found by Cheapflights users on 1/30. 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.
Wed 4/164:55 pmORD - LHR
Nonstop7h 55mFinnair
Tue 4/2210:20 amLHR - ORD
1 stop13h 30mFinnair
Deal found 1/30$629
This JetBlue deal was found by Cheapflights users on 1/30. 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.
Sun 2/27:00 amORD - LHR
1 stop16h 55mJetBlue
Fri 2/77:25 amLHR - ORD
1 stop14h 18mJetBlue
Deal found 1/30$634
This Mytrip deal was found by Cheapflights users on 1/30. 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.
Sun 2/166:30 pmORD - LHR
3 stops21h 05mMultiple Airlines
Tue 2/256:40 amLHR - ORD
2 stops16h 40mMultiple Airlines
Deal found 1/30$639
This eDestinos deal was found by Cheapflights users on 1/29. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:35 pmORD - LHR
Nonstop7h 40mBritish Airways
Tue 10/71:10 pmLHR - ORD
Nonstop8h 45mBritish Airways
Deal found 1/29$640
This United Airlines deal was found by Cheapflights users on 1/30. 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 3/163:35 pmORD - LHR
1 stop10h 35mUnited Airlines
Fri 3/286:30 amLHR - ORD
2 stops31h 31mUnited Airlines
Deal found 1/30$646
This Booking.com deal was found by Cheapflights users on 1/30. 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.
Wed 2/2611:15 amORD - LHR
2 stops13h 55mAir Canada
Tue 3/46:50 amLHR - ORD
2 stops13h 55mAir Canada
Deal found 1/30$655
This Delta deal was found by Cheapflights users on 1/30. 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.
Sun 2/1611:15 amORD - LHR
1 stop13h 05mDelta
Tue 2/2511:45 amLHR - ORD
2 stops15h 08mDelta
Deal found 1/30$668
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Sun 2/165:18 pmORD - LHR
1 stop10h 02mAmerican Airlines
Tue 2/251:10 pmLHR - ORD
1 stop12h 58mAmerican Airlines
Deal found 1/30$671

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 3/2

7:40 pm-9:35 pm

2 stops19h 55m

London Heathrow

Wed 3/12

7:50 pm-6:50 pm

2 stops28h 00m

$586

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sat 2/15

2:55 pm-9:20 am

1 stop12h 25m

London Heathrow

Sun 2/23

11:00 am-1:55 pm

Nonstop8h 55m

$590

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 3/5

6:30 pm-7:30 pm

1 stop19h 00m

London Heathrow

Mon 3/10

8:40 pm-6:20 pm

1 stop26h 40m

$591

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 4/8

8:30 pm-10:30 am

Nonstop8h 00m

London Heathrow

Sun 5/18

9:30 am-5:50 pm

1 stop14h 20m

$601

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 2/28

9:00 pm-3:35 pm

1 stop12h 35m

London Heathrow

Sun 3/9

7:50 am-2:00 pm

1 stop12h 10m

$604

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 3/4

5:15 am-10:50 am

2 stops23h 35m

London Heathrow

Tue 3/18

12:15 pm-7:44 am

2 stops24h 29m

$612

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Thu 4/17

5:00 pm-6:55 am

Nonstop7h 55m

London Heathrow

Mon 4/21

11:05 am-1:50 pm

Nonstop8h 45m

$614

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 2/17

11:35 am-7:10 am

1 stop13h 35m

London Heathrow

Wed 3/5

3:00 pm-10:54 am

1 stop25h 54m

$620

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 3/14

5:15 pm-5:55 am

1 stop31h 40m

London Heathrow

Wed 3/26

8:25 am-4:25 pm

1 stop13h 00m

$625

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 3/5

6:30 pm-11:10 am

1 stop10h 40m

London Heathrow

Mon 3/10

11:45 am-8:44 pm

2 stops13h 59m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

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.

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 $1,138). 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 January 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 January 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
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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
1,335 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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
1,285 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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
1,584 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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.

Virgin Atlantic
7.5
Good
657 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

8.0

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 WestJet. According to our data, you can fly for as low as $249. Users have also found prices from $252 and $269 on Icelandair 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 $1,138). 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
Harrow
Luton
Wembley
Canterbury
Northampton
Gatwick
Horley
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

Browse thousands of different options on Cheapflights for your next trip

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

Top 6 airlines flying from Wisconsin to Heathrow

Discover the top 6 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$555Average$886FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$566Average$1,054FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$613Average$975FlexibilityNo cancel feeOn-time71%
DeltaCheapest$613Average$960FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$638Average$856FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$646Average$985FlexibilityNo cancel feeOn-time69%
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