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Cheap flights from La Crosse to London from $654

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 1/30. 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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0 bags

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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.
Multiple Airlines Logo
5:08 pm - 11:35 am
LSE
-
LHR
12h 27m1 stop
Multiple Airlines Logo
6:15 am - 10:16 pm
LHR
-
LSE
22h 01m2 stops
$654Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
British Airways Logo
5:08 pm - 11:35 am
LSE
-
LHR
12h 27m1 stop
British Airways Logo
11:00 am - 10:16 pm
LHR
-
LSE
17h 16m1 stop
$655British Airways
Fri, Jan 30 - Fri, Feb 6
British Airways Logo
10:38 am - 9:05 am
LSE
-
LHR
16h 27m1 stop
British Airways Logo
7:30 am - 3:58 pm
LHR
-
LSE
38h 28m2 stops
$679British Airways
Wed, Apr 1 - Wed, Apr 8
British Airways Logo
10:38 am - 6:50 am
LSE
-
LHR
14h 12m1 stop
British Airways Logo
9:15 am - 3:58 pm
LHR
-
LSE
12h 43m1 stop
$682British Airways
Wed, Apr 1 - Wed, Apr 8
American Airlines Logo
10:38 am - 11:15 am
LSE
-
LHR
18h 37m1 stop
American Airlines Logo
2:25 pm - 9:41 pm
LHR
-
LSE
13h 16m1 stop
$684American Airlines
Wed, Apr 1 - Wed, Apr 8
American Airlines Logo
6:00 am - 7:20 am
LSE
-
LHR
19h 20m1 stop
American Airlines Logo
1:15 pm - 9:41 pm
LHR
-
LSE
14h 26m2 stops
$690American Airlines
Wed, Apr 1 - Wed, Apr 8
Multiple Airlines Logo
6:28 pm - 11:15 am
LSE
-
LHR
10h 47m1 stop
Multiple Airlines Logo
8:00 pm - 3:58 pm
LHR
-
LSE
49h 58m2 stops
$692Multiple Airlines
Wed, Apr 1 - Wed, Apr 8
British Airways Logo
10:38 am - 6:00 pm
LSE
-
LHR
25h 22m2 stops
British Airways Logo
7:30 am - 3:58 pm
LHR
-
LSE
38h 28m2 stops
$823British Airways
Wed, Apr 1 - Wed, Apr 8
British Airways Logo
5:08 pm - 8:15 am
LSE
-
LHR
33h 07m1 stop
British Airways Logo
3:45 pm - 5:39 pm
LHR
-
LSE
31h 54m1 stop
$857British Airways
Wed, Feb 11 - Sun, Feb 15
Multiple Airlines Logo
10:38 am - 1:25 pm
LSE
-
LHR
20h 47m2 stops
Multiple Airlines Logo
8:00 pm - 9:41 pm
LHR
-
LSE
31h 41m2 stops
$864Multiple Airlines
Wed, Apr 1 - Wed, Apr 8

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
Jan 30
LSE5:08 pmLa Crosse
12h 27m
1 stop
LHR11:35 amLondon Heathrow
Feb 6
LHR11:00 amLondon Heathrow
17h 16m
1 stop
LSE10:16 pmLa Crosse
$655
Find similar
British Airways
Apr 1
LSE10:38 amLa Crosse
16h 27m
1 stop
LHR9:05 amLondon Heathrow
Apr 8
LHR7:30 amLondon Heathrow
38h 28m
2 stops
LSE3:58 pmLa Crosse
$679
Find similar
British Airways
Apr 1
LSE10:38 amLa Crosse
18h 37m
1 stop
LHR11:15 amLondon Heathrow
Apr 8
LHR9:15 amLondon Heathrow
18h 26m
1 stop
LSE9:41 pmLa Crosse
$682
Find similar

American Airlines flights from La Crosse to London Heathrow Airport

Our best American Airlines deals on La Crosse to London Heathrow Airport flight tickets
American Airlines
Apr 1
LSE10:38 amLa Crosse
18h 37m
1 stop
LHR11:15 amLondon Heathrow
Apr 8
LHR2:25 pmLondon Heathrow
13h 16m
1 stop
LSE9:41 pmLa Crosse
$684
Find similar
American Airlines
Apr 1
LSE6:00 amLa Crosse
19h 20m
1 stop
LHR7:20 amLondon Heathrow
Apr 8
LHR1:15 pmLondon Heathrow
14h 26m
2 stops
LSE9:41 pmLa Crosse
$690
Find similar
American Airlines
Dec 20
LSE10:09 amLa Crosse
14h 46m
1 stop
LHR6:55 amLondon Heathrow
Dec 22
LHR11:00 amLondon Heathrow
14h 36m
1 stop
LSE7:36 pmLa Crosse
$13,037
Find similar

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 December 18, 2025.
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

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Fri 1/30

5:08 pm-11:35 am

1 stop12h 27m

London Heathrow

Fri 2/6

6:15 am-10:16 pm

2 stops22h 01m

$654

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Fri 1/30

5:08 pm-11:35 am

1 stop12h 27m

London Heathrow

Fri 2/6

11:00 am-10:16 pm

1 stop17h 16m

$655

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 4/1

10:38 am-9:05 am

1 stop16h 27m

London Heathrow

Wed 4/8

7:30 am-3:58 pm

2 stops38h 28m

$679

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 4/1

10:38 am-6:50 am

1 stop14h 12m

London Heathrow

Wed 4/8

9:15 am-3:58 pm

1 stop12h 43m

$682

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 4/1

10:38 am-11:15 am

1 stop18h 37m

London Heathrow

Wed 4/8

2:25 pm-9:41 pm

1 stop13h 16m

$684

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 4/1

6:00 am-7:20 am

1 stop19h 20m

London Heathrow

Wed 4/8

1:15 pm-9:41 pm

2 stops14h 26m

$690

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 4/1

6:28 pm-11:15 am

1 stop10h 47m

London Heathrow

Wed 4/8

8:00 pm-3:58 pm

2 stops49h 58m

$692

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 4/1

10:38 am-6:00 pm

2 stops25h 22m

London Heathrow

Wed 4/8

7:30 am-3:58 pm

2 stops38h 28m

$823

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 2/11

5:08 pm-8:15 am

1 stop33h 07m

London Heathrow

Sun 2/15

3:45 pm-5:39 pm

1 stop31h 54m

$857

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Wed 4/1

10:38 am-1:25 pm

2 stops20h 47m

London Heathrow

Wed 4/8

8:00 pm-9:41 pm

2 stops31h 41m

$864

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 is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Friday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,020. The most expensive day to fly to London Heathrow Airport is Tuesday, with ticket prices averaging around $1,194.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from La Crosse to London Heathrow Airport in the afternoon for as low as $1,020. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $1,614.

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

12h 27m

Direct flights

None
The fastest flight from La Crosse to London Heathrow Airport takes 12h 27m
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

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

    There are 3979.3 mi between La Crosse and London Heathrow. 12h 27m 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
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Salisbury
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond

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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