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$671+ Cheap flights from La Crosse (LSE) to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — LHR
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap flight deals from La Crosse to Heathrow

Cheapest flights from La Crosse to Heathrow
Explore the most affordable flight options available from La Crosse to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

This American Airlines deal was found by Cheapflights users on 12/24. 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.
Thu 12/256:00 amLSE - LHR
1 stop20h 15mAmerican Airlines
Thu 1/112:35 pmLHR - LSE
1 stop17h 03mAmerican Airlines
Deal found 12/24$1,566

Find flight deals from La Crosse to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from La Crosse (LSE) 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 December 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$671
(oojo)
Provider with most accurate pricing for La Crosse-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for La Crosse-London Heathrow flights.
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From La Crosse to London Heathrow
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Cheapflights Fare Finder

 
Customize your flight search to find flights from La Crosse 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 December 26, 2025.
Use the filters below to find and compare flights from La Crosse to London Heathrow Airport that are best for you.

Fly from

La Crosse

Fly to

Heathrow

Route

Depart

Return

Price

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 4/1

6:28 pm-11:15 am

1 stop10h 47m

London Heathrow

Wed 4/8

12:15 pm-9:41 pm

1 stop15h 26m

$671

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Fri 2/20

6:21 pm-11:35 am

1 stop11h 14m

London Heathrow

Tue 2/24

6:05 am-10:29 pm

2 stops22h 24m

$837

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Fri 1/30

5:08 pm-10:25 am

1 stop11h 17m

London Heathrow

Tue 2/3

2:10 pm-10:16 pm

1 stop14h 06m

$858

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

  • Most accurate provider: When it comes to deals on La Crosse-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on La Crosse-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from La Crosse-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on La Crosse-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for La Crosse-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from La Crosse to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from La Crosse 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 La Crosse to London Heathrow Airport

What is the cheapest month to book a flight from La Crosse to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from La Crosse to London Heathrow Airport (average of $646). Flying from La Crosse to London Heathrow Airport in June is currently the most expensive (average of $1,249). 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 La Crosse to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from La Crosse to London Heathrow?

    La Crosse (LSE), located 5.4 mi from the city center, is the airport you fly out of when you book flights from La Crosse to London Heathrow. 0 airlines have flights from La Crosse to London Heathrow on a regular basis. Booking flights from La Crosse to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

  • How long is the flight from La Crosse to London Heathrow Airport?

    British Airways can get you from La Crosse to London Heathrow Airport in just under 10h 47m. Your travel time can differ by up to . Airlines will cover a distance of 3976 mi.

  • Can I find deals for flights from La Crosse to Heathrow that include hotel bookings?

    Yes. In addition to deals on La Crosse to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from La Crosse to Heathrow?

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

  • Can I find deals for business class flights from La Crosse to Heathrow?

    Yes. Cheapflights offers flight deals from La Crosse 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 La Crosse to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from La Crosse to London Heathrow Airport (average of $646). Flying from La Crosse to London Heathrow Airport in June is currently the most expensive (average of $1,249). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Hayes
Orpington
Northampton
Watford
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Folkestone

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