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Cheap flights from La Crosse to London from $882

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 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
11:53 am - 8:05 am
LSE
-
LHR
14h 12m
1 stop
British Airways Logo
6:15 am - 11:15 pm
LHR
-
LSE
23h 00m
2 stops
$882British Airways
Tue, Sep 8 - Tue, Sep 15
British Airways Logo
5:15 pm - 10:30 am
LSE
-
LHR
11h 15m
1 stop
British Airways Logo
6:15 am - 11:15 pm
LHR
-
LSE
23h 00m
2 stops
$894British Airways
Mon, Sep 7 - Tue, Sep 15
British Airways Logo
11:53 am - 8:05 am
LSE
-
LHR
14h 12m
1 stop
British Airways Logo
1:10 pm - 11:15 pm
LHR
-
LSE
16h 05m
1 stop
$902British Airways
Tue, Sep 8 - Tue, Sep 15
British Airways Logo
11:53 am - 8:05 am
LSE
-
LHR
14h 12m
1 stop
British Airways Logo
9:45 am - 5:49 pm
LHR
-
LSE
14h 04m
1 stop
$922British Airways
Mon, Sep 7 - Wed, Sep 16
British Airways Logo
11:53 am - 2:35 pm
LSE
-
LHR
20h 42m
2 stops
British Airways Logo
6:15 am - 11:15 pm
LHR
-
LSE
23h 00m
2 stops
$927British Airways
Tue, Sep 8 - Tue, Sep 15
United Airlines Logo
8:15 am - 6:45 am
LSE
-
LHR
16h 30m
1 stop
United Airlines Logo
7:25 am - 11:07 pm
LHR
-
LSE
21h 42m
2 stops
$939United Airlines
Sun, Sep 6 - Wed, Sep 16
United Airlines Logo
8:15 am - 6:30 am
LSE
-
LHR
16h 15m
2 stops
United Airlines Logo
6:55 am - 11:07 pm
LHR
-
LSE
22h 12m
2 stops
$942United Airlines
Sun, Sep 6 - Wed, Sep 16
United Airlines Logo
8:15 am - 6:55 am
LSE
-
LHR
16h 40m
2 stops
United Airlines Logo
6:55 am - 6:10 pm
LHR
-
LSE
17h 15m
2 stops
$943United Airlines
Mon, Sep 7 - Thu, Sep 17
United Airlines Logo
8:15 am - 6:45 am
LSE
-
LHR
16h 30m
1 stop
United Airlines Logo
8:00 am - 11:07 pm
LHR
-
LSE
21h 07m
1 stop
$967United Airlines
Sun, Sep 6 - Wed, Sep 16
United Airlines Logo
8:15 am - 6:30 am
LSE
-
LHR
16h 15m
2 stops
United Airlines Logo
11:05 am - 11:07 pm
LHR
-
LSE
18h 02m
1 stop
$971United Airlines
Wed, Sep 9 - Thu, Sep 17

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
Sep 8
LSE11:53 amLa Crosse
14h 12m
1 stop
LHR8:05 amLondon Heathrow
Sep 15
LHR6:15 amLondon Heathrow
23h 00m
2 stops
LSE11:15 pmLa Crosse
$882
British Airways
Sep 7
LSE5:15 pmLa Crosse
11h 15m
1 stop
LHR10:30 amLondon Heathrow
Sep 15
LHR6:15 amLondon Heathrow
23h 00m
2 stops
LSE11:15 pmLa Crosse
$894
British Airways
Sep 8
LSE11:53 amLa Crosse
14h 12m
1 stop
LHR8:05 amLondon Heathrow
Sep 15
LHR1:10 pmLondon Heathrow
16h 05m
1 stop
LSE11:15 pmLa Crosse
$902

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
Sep 6
LSE8:15 amLa Crosse
16h 30m
1 stop
LHR6:45 amLondon Heathrow
Sep 16
LHR7:25 amLondon Heathrow
21h 42m
2 stops
LSE11:07 pmLa Crosse
$939
United Airlines
Sep 6
LSE8:15 amLa Crosse
16h 15m
2 stops
LHR6:30 amLondon Heathrow
Sep 16
LHR6:55 amLondon Heathrow
22h 12m
2 stops
LSE11:07 pmLa Crosse
$942
United Airlines
Sep 7
LSE8:15 amLa Crosse
16h 40m
2 stops
LHR6:55 amLondon Heathrow
Sep 17
LHR6:55 amLondon Heathrow
17h 15m
2 stops
LSE6:10 pmLa Crosse
$943

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 May 1, 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

Tue 9/8

11:53 am-8:05 am

1 stop14h 12m

London Heathrow

Tue 9/15

6:15 am-11:15 pm

2 stops23h 00m

$882

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Mon 9/7

5:15 pm-10:30 am

1 stop11h 15m

London Heathrow

Tue 9/15

6:15 am-11:15 pm

2 stops23h 00m

$894

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 9/8

11:53 am-8:05 am

1 stop14h 12m

London Heathrow

Tue 9/15

1:10 pm-11:15 pm

1 stop16h 05m

$902
Quickest round-trip

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Mon 9/7

11:53 am-8:05 am

1 stop14h 12m

London Heathrow

Wed 9/16

9:45 am-5:49 pm

1 stop14h 04m

$922

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 9/8

11:53 am-2:35 pm

2 stops20h 42m

London Heathrow

Tue 9/15

6:15 am-11:15 pm

2 stops23h 00m

$927

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sun 9/6

8:15 am-6:45 am

1 stop16h 30m

London Heathrow

Wed 9/16

7:25 am-11:07 pm

2 stops21h 42m

$939

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sun 9/6

8:15 am-6:30 am

2 stops16h 15m

London Heathrow

Wed 9/16

6:55 am-11:07 pm

2 stops22h 12m

$942

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Mon 9/7

8:15 am-6:55 am

2 stops16h 40m

London Heathrow

Thu 9/17

6:55 am-6:10 pm

2 stops17h 15m

$943

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sun 9/6

8:15 am-6:45 am

1 stop16h 30m

London Heathrow

Wed 9/16

8:00 am-11:07 pm

1 stop21h 07m

$967

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 9/9

8:15 am-6:30 am

2 stops16h 15m

London Heathrow

Thu 9/17

11:05 am-11:07 pm

1 stop18h 02m

$971

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 50% 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

11h 39m

Direct flights

None
The fastest flight from La Crosse to London Heathrow Airport takes 11h 39m
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. 11h 39m 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
Dover
Luton
Hayes
Stratford-upon-Avon
Crawley
Slough
Wembley
Stansted
Watford
Croydon
Uxbridge
Brentwood
Dartford
Cobham
Folkestone
Romford
Harrow

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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