How do I get Price Alerts for flights from La Crosse to St. Louis?

Search flight deals from La Crosse to St. Louis . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from La Crosse to St. Louis with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from La Crosse Airport to Lambert-St Louis Airport?

Prices for flights from La Crosse Airport to Lambert-St Louis Airport are updated daily.

How old do you have to be to fly from La Crosse Airport to Lambert-St Louis Airport?

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 Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

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

$494 Cheap Flights from La Crosse to St. Louis in 2026

1 adult

0 bags

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Find the cheapest flights from La Crosse to St. Louis

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:37 am - 6:14 pm

LSE

STL

6h 37m

1 stop

6:38 pm - 11:36 pm

STL

LSE

4h 58m

1 stop

$537American Airlines

Wed, Feb 11 - Sun, Feb 15

6:00 am - 3:04 pm

LSE

STL

9h 04m

2 stops

6:00 am - 10:55 am

STL

LSE

4h 55m

1 stop

$543American Airlines

Wed, Feb 11 - Sun, Feb 15

6:00 am - 3:04 pm

LSE

STL

9h 04m

2 stops

7:05 am - 5:59 pm

STL

LSE

10h 54m

2 stops

$548American Airlines

Wed, Feb 11 - Sun, Feb 15

6:29 pm - 11:44 pm

LSE

STL

5h 15m

1 stop

12:05 pm - 5:59 pm

STL

LSE

5h 54m

1 stop

$858American Airlines

Sun, Mar 29 - Thu, Apr 2

5:09 am - 8:38 am

LSE

STL

3h 29m

1 stop

7:05 am - 5:59 pm

STL

LSE

10h 54m

2 stops

$864American Airlines

Sun, Mar 29 - Thu, Apr 2

11:35 am - 7:30 pm

LSE

STL

7h 55m

2 stops

7:05 am - 5:59 pm

STL

LSE

10h 54m

2 stops

$1,024American Airlines

Sun, Mar 29 - Thu, Apr 2

American Airlines flights from La Crosse to St. Louis

Our best American Airlines deals on La Crosse to St. Louis flight tickets

American Airlines

Feb 3

LSE5:08 pmLa Crosse

4h 07m

1 stop

STL9:15 pmLambert-St Louis

Feb 10

STL6:46 pmLambert-St Louis

3h 30m

1 stop

LSE10:16 pmLa Crosse

$494

American Airlines

Feb 3

LSE5:08 pmLa Crosse

4h 07m

1 stop

STL9:15 pmLambert-St Louis

Feb 10

STL6:52 amLambert-St Louis

9h 24m

2 stops

LSE4:16 pmLa Crosse

$500

American Airlines

Feb 3

LSE6:00 amLa Crosse

9h 04m

2 stops

STL3:04 pmLambert-St Louis

Feb 10

STL10:17 amLambert-St Louis

11h 59m

2 stops

LSE10:16 pmLa Crosse

$524

Fly from

Fly to

Route

Depart

Return

Price

La CrosseSt. Louis

LSE - STL

LSESTL

La Crosse

Wed 2/11

11:37 am-6:14 pm

1 stop6h 37m

Lambert-St Louis

Sun 2/15

6:38 pm-11:36 pm

1 stop4h 58m

$537

La CrosseSt. Louis

LSE - STL

LSESTL

La Crosse

Wed 2/11

6:00 am-3:04 pm

2 stops9h 04m

Lambert-St Louis

Sun 2/15

6:00 am-10:55 am

1 stop4h 55m

$543

La CrosseSt. Louis

LSE - STL

LSESTL

La Crosse

Wed 2/11

6:00 am-3:04 pm

2 stops9h 04m

Lambert-St Louis

Sun 2/15

7:05 am-5:59 pm

2 stops10h 54m

$548

La CrosseSt. Louis

LSE - STL

LSESTL

La Crosse

Sun 3/29

6:29 pm-11:44 pm

1 stop5h 15m

Lambert-St Louis

Thu 4/2

12:05 pm-5:59 pm

1 stop5h 54m

$858

La CrosseSt. Louis

LSE - STL

LSESTL

La Crosse

Sun 3/29

5:09 am-8:38 am

1 stop3h 29m

Lambert-St Louis

Thu 4/2

7:05 am-5:59 pm

2 stops10h 54m

$864

La CrosseSt. Louis

LSE - STL

LSESTL

La Crosse

Sun 3/29

11:35 am-7:30 pm

2 stops7h 55m

Lambert-St Louis

Thu 4/2

7:05 am-5:59 pm

2 stops10h 54m

$1,024

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from La Crosse to St. Louis

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

Estimated round-trip price

Cheap La Crosse to St. Louis (LSE to STL) flight deals and tips

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

Fastest flight time	4h 07m
Direct flights	None

The fastest flight from La Crosse to St. Louis takes 4h 07m

There are no direct flights from La Crosse to St. Louis. There are no popular flight routes from La Crosse to St. Louis.

Search flight deals

How far is La Crosse to Lambert-St Louis by plane?
The distance between La Crosse and Lambert-St Louis is about 361.3 mi. By plane, this route typically takes 4h 07m.
When did momondo last update prices for flights from La Crosse Airport to Lambert-St Louis Airport?
Prices for flights from La Crosse Airport to Lambert-St Louis Airport are updated daily.
How old do you have to be to fly from La Crosse Airport to Lambert-St Louis Airport?
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 Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis 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 Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from La Crosse to St. Louis?
Search flight deals from La Crosse to St. Louis. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from La Crosse to St. Louis with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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Hermann

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Florissant

O'Fallon

Collinsville

Fenton

St. Peters

Wentzville

Alton

Farmington

Clayton

Edwardsville

Eureka

Festus

Glencoe

Litchfield

Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from La Crosse to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from La Crosse to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from La Crosse to St. Louis with flexible booking policies on momondo?

All flight searches from La Crosse to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from La Crosse to St. Louis?

Once all potential La Crosse to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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