What is the cheapest airline that flies from La Crosse to Lambert-St Louis?

American Airlines is the most popular carrier operating from La Crosse to Lambert-St Louis

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 many operators does momondo search for flights from La Crosse Airport to Lambert-St Louis Airport?

There is 1 operator available for flights from La Crosse Airport to Lambert-St Louis Airport as of July 2025.

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.

$380 Cheap Flights from La Crosse to St. Louis in 2025

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Find the cheapest flights from La Crosse to St. Louis

Round-trip

One-way

Cheap round-trip flights

6:32 pm - 11:51 pmLSE-STL

5h 19m1 stop

7:59 pm - 11:19 pmSTL-LSE

3h 20m1 stop

$468American Airlines

Find Deal

Thu, Aug 14 - Sun, Aug 17

6:32 pm - 11:51 pmLSE-STL

5h 19m1 stop

4:32 pm - 11:19 pmSTL-LSE

6h 47m2 stops

$474American Airlines

Find Deal

Thu, Aug 14 - Sun, Aug 17

6:00 am - 3:42 pmLSE-STL

9h 42m2 stops

4:32 pm - 11:19 pmSTL-LSE

6h 47m2 stops

$505American Airlines

Find Deal

Thu, Aug 14 - Sun, Aug 17

American Airlines flights from La Crosse to St. Louis

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

American Airlines

Aug 14

LSE6:32 pmLa Crosse

5h 19m

1 stop

STL11:51 pmLambert-St Louis

Aug 17

STL7:59 pmLambert-St Louis

3h 20m

1 stop

LSE11:19 pmLa Crosse

$468

Find similar

American Airlines

Aug 14

LSE6:32 pmLa Crosse

5h 19m

1 stop

STL11:51 pmLambert-St Louis

Aug 17

STL4:32 pmLambert-St Louis

6h 47m

2 stops

LSE11:19 pmLa Crosse

$474

Find similar

American Airlines

Aug 14

LSE6:00 amLa Crosse

9h 42m

2 stops

STL3:42 pmLambert-St Louis

Aug 17

STL4:32 pmLambert-St Louis

6h 47m

2 stops

LSE11:19 pmLa Crosse

$505

Find similar

How to get the cheapest flight ticket from La Crosse to St. Louis

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

Prices

Airlines

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $390. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $410. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from La Crosse in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $392 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $410 per ticket.

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

Best Price Found	$399
Fastest flight time	4h 56m
Direct flights	None
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from La Crosse in the past 72 hours is $399. The best round-trip flight deal from La Crosse to St. Louis found on momondo in the last 72 hours is $468.

The fastest flight from La Crosse to St. Louis takes 4h 56m

There are no direct flights from La Crosse to St. Louis. Popular non-direct route for this connection is La Crosse Airport - Lambert-St Louis Airport.

There is 1 airport near St. Louis: Lambert-St Louis (STL)

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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 5h 19m.
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 many operators does momondo search for flights from La Crosse Airport to Lambert-St Louis Airport?
There is 1 operator available for flights from La Crosse Airport to Lambert-St Louis Airport as of July 2025.
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.
What is the most popular airline from La Crosse to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from La Crosse to St. Louis is American Airlines (100% of total bookings).

Best airlines flying from La Crosse to St. Louis

Compare and see reviews for airlines that fly from La Crosse to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $360	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

Collinsville

Fenton

O'Fallon

Farmington

Alton

St. Peters

Wentzville

Festus

Glencoe

Clayton

Edwardsville

Eureka

Shrewsbury

Grafton

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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.