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Cheap flights from La Crosse to London from £448

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from La Crosse to London departing on 3/5. 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
0 bags
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Find the cheapest flights from La Crosse to London

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
18:24 - 10:50
LSE
-
LHR
10h 26m
1 stop
British Airways Logo
14:45 - 23:15
LHR
-
LSE
14h 30m
1 stop
£668British Airways
Tue, 15 Sep - Wed, 23 Sep
British Airways Logo
18:24 - 10:50
LSE
-
LHR
10h 26m
1 stop
British Airways Logo
06:15 - 23:15
LHR
-
LSE
23h 00m
2 stops
£675British Airways
Tue, 15 Sep - Wed, 23 Sep
British Airways Logo
18:24 - 18:55
LSE
-
LHR
18h 31m
2 stops
British Airways Logo
06:15 - 23:15
LHR
-
LSE
23h 00m
2 stops
£681British Airways
Tue, 15 Sep - Wed, 23 Sep
British Airways Logo
18:24 - 10:50
LSE
-
LHR
10h 26m
1 stop
British Airways Logo
14:45 - 23:15
LHR
-
LSE
14h 30m
1 stop
£684British Airways
Mon, 14 Sep - Tue, 22 Sep
United Airlines Logo
13:41 - 06:45
LSE
-
LHR
11h 04m
1 stop
United Airlines Logo
08:45 - 00:22
LHR
-
LSE
21h 37m
2 stops
£695United Airlines
Mon, 14 Sep - Thu, 24 Sep
United Airlines Logo
08:15 - 06:30
LSE
-
LHR
16h 15m
2 stops
United Airlines Logo
08:45 - 00:22
LHR
-
LSE
21h 37m
2 stops
£697United Airlines
Sun, 13 Sep - Thu, 24 Sep
United Airlines Logo
13:41 - 06:45
LSE
-
LHR
11h 04m
1 stop
United Airlines Logo
07:30 - 18:10
LHR
-
LSE
16h 40m
2 stops
£703United Airlines
Mon, 14 Sep - Wed, 23 Sep
United Airlines Logo
08:15 - 06:30
LSE
-
LHR
16h 15m
2 stops
United Airlines Logo
07:30 - 18:10
LHR
-
LSE
16h 40m
2 stops
£705United Airlines
Sun, 13 Sep - Wed, 23 Sep
United Airlines Logo
20:15 - 06:45
LSE
-
LHR
28h 30m
1 stop
United Airlines Logo
08:00 - 18:10
LHR
-
LSE
16h 10m
1 stop
£716United Airlines
Sun, 13 Sep - Wed, 23 Sep
United Airlines Logo
13:41 - 06:45
LSE
-
LHR
11h 04m
1 stop
United Airlines Logo
14:05 - 08:56
LHR
-
LSE
24h 51m
2 stops
£719United Airlines
Mon, 14 Sep - Tue, 22 Sep

American Airlines flights from La Crosse to London

Our best American Airlines deals on La Crosse to London flight tickets
American Airlines
15 Sept
LSE18:24La Crosse
10h 26m
1 stop
LHR10:50London Heathrow
25 Sept
LHR13:25London Heathrow
15h 50m
2 stops
LSE23:15La Crosse
£793
American Airlines
16 Sept
LSE18:24La Crosse
13h 06m
2 stops
LHR13:30London Heathrow
25 Sept
LHR14:45London Heathrow
14h 30m
1 stop
LSE23:15La Crosse
£819
American Airlines
15 Sept
LSE18:24La Crosse
10h 26m
1 stop
LHR10:50London Heathrow
25 Sept
LHR12:15London Heathrow
17h 00m
1 stop
LSE23:15La Crosse
£819

British Airways flights from La Crosse to London

Our best British Airways deals on La Crosse to London flight tickets
British Airways
15 Sept
LSE18:24La Crosse
10h 26m
1 stop
LHR10:50London Heathrow
23 Sept
LHR14:45London Heathrow
14h 30m
1 stop
LSE23:15La Crosse
£668
British Airways
15 Sept
LSE18:24La Crosse
10h 26m
1 stop
LHR10:50London Heathrow
23 Sept
LHR06:15London Heathrow
23h 00m
2 stops
LSE23:15La Crosse
£675
British Airways
15 Sept
LSE18:24La Crosse
18h 31m
2 stops
LHR18:55London Heathrow
23 Sept
LHR06:15London Heathrow
23h 00m
2 stops
LSE23:15La Crosse
£681

momondo Fare Finder

 
Customise your flight search to find flights from La Crosse to London 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 279,928 searches. Data last updated 23 April 2026.
Use the filters below to find and compare flights from La Crosse to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 15/9

18:24-10:50

1 stop10h 26m

London Heathrow

Wed 23/9

14:45-23:15

1 stop14h 30m

£668

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 15/9

18:24-10:50

1 stop10h 26m

London Heathrow

Wed 23/9

06:15-23:15

2 stops23h 00m

£675

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Tue 15/9

18:24-18:55

2 stops18h 31m

London Heathrow

Wed 23/9

06:15-23:15

2 stops23h 00m

£681

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Mon 14/9

18:24-10:50

1 stop10h 26m

London Heathrow

Tue 22/9

14:45-23:15

1 stop14h 30m

£684

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Mon 14/9

13:41-06:45

1 stop11h 04m

London Heathrow

Thu 24/9

08:45-00:22

2 stops21h 37m

£695

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sun 13/9

08:15-06:30

2 stops16h 15m

London Heathrow

Thu 24/9

08:45-00:22

2 stops21h 37m

£697

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Mon 14/9

13:41-06:45

1 stop11h 04m

London Heathrow

Wed 23/9

07:30-18:10

2 stops16h 40m

£703

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sun 13/9

08:15-06:30

2 stops16h 15m

London Heathrow

Wed 23/9

07:30-18:10

2 stops16h 40m

£705

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Sun 13/9

20:15-06:45

1 stop28h 30m

London Heathrow

Wed 23/9

08:00-18:10

1 stop16h 10m

£716

La CrosseLondon

LSE - LHR

LSELHR

La Crosse

Mon 14/9

13:41-06:45

1 stop11h 04m

London Heathrow

Tue 22/9

14:05-08:56

2 stops24h 51m

£719

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to London from

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

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 airline that flies from La Crosse to London?

British Airways and Aer Lingus are the most popular carriers operating from La Crosse to London

When to book flights from La Crosse to London

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

Cheap La Crosse to London (LSE to LON) flight deals and tips

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

Fastest flight time

11h 04m

Direct flights

None
The fastest flight from La Crosse to London takes 11h 04m
There are no direct flights from La Crosse to London. There are no popular flight routes from La Crosse to London.
Search flight deals

Frequently asked questions about flying from La Crosse to London

  • How far is La Crosse to London by plane?

    The distance between La Crosse and London is about 3990.5 mi. 11h 04m is a normal flight duration for this route.

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

    Prices for flights from La Crosse Airport to London were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from La Crosse Airport to London.

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

    The travel and health documents you'll need for your trip to London 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Slough
Maidstone
Wembley
Southend-on-Sea
Ipswich
Canterbury
Ilford
Guildford
Hayes
Dover
Chelmsford
Folkestone
Chichester
Bedford
Ramsgate
Harlow

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?

momondo does allow users to show only those flights to London from La Crosse which offer a flexible booking policy as well as other useful filters and features.

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?

If you are not ready to book a flight from La Crosse to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport