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$599+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — LHR
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
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 January 20, 2026.

This British Airways deal was found by Cheapflights users on 1/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2811:37 am
LSE
-
LHR
1 stop13h 18m
British Airways
Mon 2/95:25 pm
LHR
-
LSE
2 stops34h 51m
British Airways
Deal found 1/19$599
This British Airways deal was found by Cheapflights users on 1/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:34 am
LSE
-
LHR
1 stop14h 06m
British Airways
Wed 4/86:15 am
LHR
-
LSE
2 stops17h 47m
British Airways
Deal found 1/19$604
This British Airways deal was found by Cheapflights users on 1/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2811:37 am
LSE
-
LHR
1 stop13h 18m
British Airways
Tue 2/1011:00 am
LHR
-
LSE
1 stop17h 16m
British Airways
Deal found 1/19$608
This British Airways deal was found by Cheapflights users on 1/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2911:37 am
LSE
-
LHR
1 stop16h 48m
British Airways
Wed 2/43:45 pm
LHR
-
LSE
2 stops36h 31m
British Airways
Deal found 1/19$649
This British Airways deal was found by Cheapflights users on 1/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/305:08 pm
LSE
-
LHR
1 stop11h 17m
British Airways
Tue 2/311:00 am
LHR
-
LSE
1 stop17h 16m
British Airways
Deal found 1/19$658
This British Airways deal was found by Cheapflights users on 1/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/305:08 pm
LSE
-
LHR
1 stop11h 17m
British Airways
Sun 2/811:00 am
LHR
-
LSE
1 stop17h 16m
British Airways
Deal found 1/19$708
This British Airways deal was found by Cheapflights users on 1/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/111:37 am
LSE
-
LHR
1 stop14h 38m
British Airways
Tue 2/102:10 pm
LHR
-
LSE
1 stop14h 06m
British Airways
Deal found 1/19$733
This Trip.com deal was found by Cheapflights users on 1/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:05 am
LSE
-
LHR
1 stop14h 45m
British Airways
Sat 5/239:45 am
LHR
-
LSE
1 stop20h 14m
British Airways
Deal found 1/19$735
This FlightHub deal was found by Cheapflights users on 1/20. 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 4/16:29 pm
LSE
-
LHR
2 stops18h 41m
Multiple Airlines
Wed 4/86:15 am
LHR
-
LSE
2 stops23h 39m
Multiple Airlines
Deal found 1/20$736

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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$599
(British Airways)
Provider with most accurate pricing for La Crosse-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for La Crosse-London Heathrow flights.
Search Deals
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 January 20, 2026.
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

Sat 1/31

5:08 pm-6:55 am

1 stop31h 47m

London Heathrow

Mon 2/9

5:25 pm-10:16 pm

2 stops34h 51m

$599

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 4/1

11:34 am-7:40 am

1 stop14h 06m

London Heathrow

Wed 4/8

6:15 am-6:02 pm

2 stops17h 47m

$604

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sat 1/31

5:08 pm-8:15 am

1 stop33h 07m

London Heathrow

Tue 2/10

12:35 pm-10:16 pm

1 stop15h 41m

$608

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Fri 1/30

5:08 pm-10:25 am

1 stop11h 17m

London Heathrow

Mon 2/9

3:45 pm-10:16 pm

2 stops36h 31m

$649

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Fri 1/30

5:08 pm-10:25 am

1 stop11h 17m

London Heathrow

Thu 2/5

6:45 pm-10:16 pm

2 stops33h 31m

$649

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Fri 1/30

5:08 pm-10:25 am

1 stop11h 17m

London Heathrow

Wed 2/4

5:25 pm-10:16 pm

2 stops34h 51m

$649

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

$658

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Fri 1/30

5:08 pm-10:25 am

1 stop11h 17m

London Heathrow

Tue 2/10

12:35 pm-10:16 pm

1 stop15h 41m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

  • 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, March is the cheapest month in which you can book a flight from La Crosse to London Heathrow Airport (average of $614). 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 31h 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, March is the cheapest month in which you can book a flight from La Crosse to London Heathrow Airport (average of $614). 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
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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