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Cheap flights from La Crosse to London from $863

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from La Crosse to London departing on 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from La Crosse to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:19 pm - 6:55 pm
LSE
-
LHR
18h 36m
2 stops
British Airways Logo
6:00 am - 5:54 pm
LHR
-
LSE
16h 54m
2 stops
$863British Airways
Wed, Oct 21 - Tue, Oct 27
British Airways Logo
6:19 pm - 6:55 pm
LSE
-
LHR
18h 36m
2 stops
British Airways Logo
6:00 am - 5:54 pm
LHR
-
LSE
16h 54m
2 stops
$864British Airways
Wed, Oct 21 - Tue, Oct 27
British Airways Logo
6:02 pm - 10:25 am
LSE
-
LHR
10h 23m
1 stop
British Airways Logo
12:45 pm - 11:49 pm
LHR
-
LSE
17h 04m
2 stops
$871British Airways
Tue, Nov 3 - Wed, Nov 11
United Airlines Logo
6:45 pm - 5:55 am
LSE
-
LHR
29h 10m
1 stop
United Airlines Logo
6:50 am - 9:24 pm
LHR
-
LSE
20h 34m
2 stops
$874United Airlines
Sun, Nov 1 - Wed, Nov 11
British Airways Logo
6:19 pm - 10:50 am
LSE
-
LHR
10h 31m
1 stop
British Airways Logo
6:15 am - 5:54 pm
LHR
-
LSE
17h 39m
2 stops
$877British Airways
Tue, Oct 6 - Tue, Oct 13
United Airlines Logo
8:00 am - 6:20 am
LSE
-
LHR
16h 20m
2 stops
United Airlines Logo
6:50 am - 9:24 pm
LHR
-
LSE
20h 34m
2 stops
$878United Airlines
Mon, Nov 2 - Wed, Nov 11
British Airways Logo
11:18 am - 10:50 am
LSE
-
LHR
17h 32m
1 stop
British Airways Logo
6:00 am - 11:19 pm
LHR
-
LSE
22h 19m
2 stops
$881British Airways
Wed, Oct 21 - Tue, Oct 27
British Airways Logo
11:18 am - 10:50 am
LSE
-
LHR
17h 32m
1 stop
British Airways Logo
6:00 am - 11:19 pm
LHR
-
LSE
22h 19m
2 stops
$882British Airways
Wed, Oct 21 - Tue, Oct 27
British Airways Logo
6:19 pm - 6:55 pm
LSE
-
LHR
18h 36m
2 stops
British Airways Logo
6:15 am - 5:54 pm
LHR
-
LSE
17h 39m
2 stops
$884British Airways
Tue, Oct 6 - Tue, Oct 13
British Airways Logo
6:19 pm - 6:55 pm
LSE
-
LHR
18h 36m
2 stops
British Airways Logo
6:15 am - 5:54 pm
LHR
-
LSE
17h 39m
2 stops
$885British Airways
Tue, Oct 6 - Tue, Oct 13

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British Airways flights from La Crosse to London Heathrow Airport

Our best British Airways deals on La Crosse to London Heathrow Airport flight tickets
British Airways
Oct 21
LSE6:19 pmLa Crosse
18h 36m
2 stops
LHR6:55 pmLondon Heathrow
Oct 27
LHR6:00 amLondon Heathrow
16h 54m
2 stops
LSE5:54 pmLa Crosse
$863
British Airways
Oct 21
LSE11:18 amLa Crosse
17h 32m
1 stop
LHR10:50 amLondon Heathrow
Oct 27
LHR6:00 amLondon Heathrow
22h 19m
2 stops
LSE11:19 pmLa Crosse
$864
British Airways
Nov 3
LSE6:02 pmLa Crosse
10h 23m
1 stop
LHR10:25 amLondon Heathrow
Nov 11
LHR12:45 pmLondon Heathrow
17h 04m
2 stops
LSE11:49 pmLa Crosse
$871

United Airlines flights from La Crosse to London Heathrow Airport

Our best United Airlines deals on La Crosse to London Heathrow Airport flight tickets
United Airlines
Nov 1
LSE6:45 pmLa Crosse
31h 10m
1 stop
LHR7:55 amLondon Heathrow
Nov 18
LHR6:50 amLondon Heathrow
20h 34m
2 stops
LSE9:24 pmLa Crosse
$874
United Airlines
Nov 2
LSE8:00 amLa Crosse
16h 40m
2 stops
LHR6:40 amLondon Heathrow
Nov 10
LHR6:50 amLondon Heathrow
17h 13m
2 stops
LSE6:03 pmLa Crosse
$878
United Airlines
Nov 1
LSE6:45 pmLa Crosse
31h 10m
1 stop
LHR7:55 amLondon Heathrow
Nov 17
LHR10:25 amLondon Heathrow
13h 38m
1 stop
LSE6:03 pmLa Crosse
$903

momondo Fare Finder

 
Customize your flight search to find flights from La Crosse to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated June 26, 2026.
Use the filters below to find and compare flights from La Crosse to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 10/21

6:19 pm-6:55 pm

2 stops18h 36m

London Heathrow

Tue 10/27

6:00 am-5:54 pm

2 stops16h 54m

$863

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 10/21

6:19 pm-6:55 pm

2 stops18h 36m

London Heathrow

Tue 10/27

6:00 am-5:54 pm

2 stops16h 54m

$864
Quickest round-trip

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 11/3

6:02 pm-10:25 am

1 stop10h 23m

London Heathrow

Wed 11/11

12:45 pm-11:49 pm

2 stops17h 04m

$871

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sun 11/1

6:45 pm-5:55 am

1 stop29h 10m

London Heathrow

Wed 11/11

6:50 am-9:24 pm

2 stops20h 34m

$874

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 10/6

6:19 pm-10:50 am

1 stop10h 31m

London Heathrow

Tue 10/13

6:15 am-5:54 pm

2 stops17h 39m

$877

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Mon 11/2

8:00 am-6:20 am

2 stops16h 20m

London Heathrow

Wed 11/11

6:50 am-9:24 pm

2 stops20h 34m

$878

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 10/21

11:18 am-10:50 am

1 stop17h 32m

London Heathrow

Tue 10/27

6:00 am-11:19 pm

2 stops22h 19m

$881

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 10/21

11:18 am-10:50 am

1 stop17h 32m

London Heathrow

Tue 10/27

6:00 am-11:19 pm

2 stops22h 19m

$882

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 10/6

6:19 pm-6:55 pm

2 stops18h 36m

London Heathrow

Tue 10/13

6:15 am-5:54 pm

2 stops17h 39m

$884

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 10/6

6:19 pm-6:55 pm

2 stops18h 36m

London Heathrow

Tue 10/13

6:15 am-5:54 pm

2 stops17h 39m

$885

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to London from

How to get the cheapest flight ticket from La Crosse to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to London Heathrow Airport?

British Airways, American Airlines and Delta are the top three most popular airlines that fly to London Heathrow Airport from La Crosse according to our data. British Airways is the first choice among our users, with 40% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from La Crosse to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from La Crosse to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap La Crosse to London Heathrow Airport (LSE to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from La Crosse to London Heathrow Airport

Fastest flight time

10h 31m

Direct flights

None
The fastest flight from La Crosse to London Heathrow Airport takes 10h 31m
There are no direct flights from La Crosse to London Heathrow Airport. There are no popular flight routes from La Crosse to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from La Crosse to London Heathrow Airport

  • How far is La Crosse to London Heathrow by plane?

    There are 3979.3 mi between La Crosse and London Heathrow. 10h 31m is a normal flight duration for this route.

  • When did momondo last update prices for flights from La Crosse Airport to London Heathrow Airport?

    Prices for flights from La Crosse Airport to London Heathrow Airport refresh daily.

  • How old do you have to be to fly from La Crosse Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from La Crosse Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Dover
Crawley
Croydon
Wembley
Stansted
Stratford-upon-Avon
Harrow
Slough
Watford
Cobham
Brentwood
Guildford
Ilford
Folkestone
Uxbridge

Why use momondo?

Why should I use momondo to find a flight deal from La Crosse to London?

Finding the right flight to London from La Crosse is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from La Crosse to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for La Crosse to London flights to just show those with flexible booking policies.

How can momondo help me find flights from La Crosse to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from La Crosse.

I’m not ready to book a flight from La Crosse to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from La Crosse are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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