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$677+ 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
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
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 February 9, 2026.

This American Airlines deal was found by Cheapflights users on 2/7. 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 4/111:34 am
LSE
-
LHR
1 stop17h 41m
American Airlines
Wed 4/89:45 am
LHR
-
LSE
1 stop14h 22m
American Airlines
Deal found 2/7$677
This British Airways deal was found by Cheapflights users on 2/6. 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 stop16h 56m
British Airways
Wed 4/83:15 pm
LHR
-
LSE
1 stop14h 39m
British Airways
Deal found 2/6$678
This FlightHub deal was found by Cheapflights users on 2/7. 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 4/111:34 am
LSE
-
LHR
1 stop15h 31m
Multiple Airlines
Wed 4/86:15 am
LHR
-
LSE
2 stops23h 39m
Multiple Airlines
Deal found 2/7$706
This United Airlines deal was found by Cheapflights users on 2/7. 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 5/206:00 am
LSE
-
LHR
2 stops22h 00m
United Airlines
Fri 5/296:50 am
LHR
-
LSE
2 stops17h 20m
United Airlines
Deal found 2/7$711
This United Airlines deal was found by Cheapflights users on 2/7. 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 5/206:00 am
LSE
-
LHR
2 stops22h 00m
United Airlines
Tue 6/26:55 am
LHR
-
LSE
2 stops17h 15m
United Airlines
Deal found 2/7$712
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Tue 5/199:42 am
LSE
-
LHR
2 stops15h 13m
United Airlines
Tue 6/27:25 am
LHR
-
LSE
2 stops16h 45m
United Airlines
Deal found 2/7$713
This Expedia deal was found by Cheapflights users on 2/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:29 pm
LSE
-
LHR
1 stop12h 06m
British Airways
Tue 3/311:10 pm
LHR
-
LSE
1 stop16h 26m
British Airways
Deal found 2/7$723
This United Airlines deal was found by Cheapflights users on 2/7. 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 5/206:00 am
LSE
-
LHR
2 stops21h 35m
United Airlines
Wed 6/38:00 am
LHR
-
LSE
1 stop30h 56m
United Airlines
Deal found 2/7$740
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Sat 5/166:00 am
LSE
-
LHR
2 stops20h 35m
United Airlines
Tue 6/27:25 am
LHR
-
LSE
2 stops16h 45m
United Airlines
Deal found 2/7$768

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 February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$677
(American Airlines)
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
Search Deals

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 February 9, 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

Wed 4/1

11:34 am-9:05 am

1 stop15h 31m

London Heathrow

Wed 4/8

12:15 pm-11:54 pm

1 stop17h 39m

$677

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 4/1

11:34 am-10:30 am

1 stop16h 56m

London Heathrow

Wed 4/8

3:15 pm-11:54 pm

1 stop14h 39m

$678

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 5/20

6:00 am-10:00 am

2 stops22h 00m

London Heathrow

Tue 6/2

6:55 am-6:10 pm

2 stops17h 15m

$712

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 5/19

9:42 am-10:40 am

2 stops18h 58m

London Heathrow

Fri 5/29

6:50 am-12:15 am

2 stops23h 25m

$712

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 4/1

6:29 pm-10:30 am

1 stop10h 01m

London Heathrow

Wed 4/8

6:15 am-6:07 pm

2 stops17h 52m

$728

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 5/20

9:42 am-10:00 am

2 stops18h 18m

London Heathrow

Fri 5/29

8:00 am-8:56 am

1 stop30h 56m

$740

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 5/19

9:42 am-6:55 am

2 stops15h 13m

London Heathrow

Wed 6/3

8:00 am-6:10 pm

1 stop16h 10m

$741

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sat 5/16

9:42 am-8:30 am

1 stop16h 48m

London Heathrow

Tue 6/2

7:25 am-12:15 am

2 stops22h 50m

$768

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sat 5/16

9:42 am-6:45 am

1 stop15h 03m

London Heathrow

Wed 6/3

6:55 am-12:15 am

2 stops23h 20m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

  • 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 $611). 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?

    American Airlines, British Airways, and United Airlines can get you from La Crosse to London Heathrow Airport in just under 15h 31m. Your travel time can differ by up to 6h 29m. Airlines will cover a distance of 3976 mi. This flight may include one or multiple stops.

  • 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 $611). 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
Croydon
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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