$364+ Cheap flights from St. Louis to La Crosse (STL - LSE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LSE
Oct 5 — Oct 121
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to La Crosse with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to La Crosse
Cheapest
Best
Last-minute
Cheapest flights from St. Louis to La CrosseExplore the most affordable flight options available from St. Louis to La Crosse. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
Explore the most affordable flight options available from St. Louis to La Crosse. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2026.
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:00 am -
1 stop6h 53m
Wed 10/287:04 am -
1 stop27h 47m
Deal found 9/1![American Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:27 am -
1 stop16h 53m
Sun 10/45:22 pm -
1 stop17h 28m
Deal found 9/5![American Airlines logo]()
$516
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:00 am -
1 stop6h 22m
Sun 9/205:53 am -
1 stop4h 25m
Deal found 9/1![American Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:07 pm -
1 stop4h 15m
Tue 9/812:19 pm -
2 stops10h 36m
Deal found 9/3![American Airlines logo]()
$597
Best flights from St. Louis to La CrosseDiscover carefully curated flight deals from St. Louis to La Crosse that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
Discover carefully curated flight deals from St. Louis to La Crosse that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:00 am -
1 stop6h 53m
Wed 10/287:04 am -
1 stop27h 47m
Deal found 9/1![American Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:27 am -
1 stop16h 53m
Sun 10/45:22 pm -
1 stop17h 28m
Deal found 9/5![American Airlines logo]()
$516
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:01 am -
1 stop24h 21m
Sun 10/412:26 pm -
1 stop22h 24m
Deal found 9/5![American Airlines logo]()
$516
Last-minute flights from St. Louis to La CrosseDiscover last-minute flight deals from St. Louis to La Crosse. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to La Crosse. Data last updated September 5, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:00 am -
1 stop6h 22m
Sun 9/205:53 am -
1 stop4h 25m
Deal found 9/1![American Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:27 am -
1 stop16h 53m
Sun 10/45:22 pm -
1 stop17h 28m
Deal found 9/5![American Airlines logo]()
$516
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:00 am -
1 stop6h 53m
Wed 10/287:04 am -
1 stop27h 47m
Deal found 9/1![American Airlines logo]()
$364
Find flight deals from St. Louis to La Crosse
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to La Crosse (LSE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $364 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to La Crosse 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, Cheapflights users made 7,457,451 searches. Data last updated September 5, 2026.
Use the filters below to find and compare flights from St. Louis to La Crosse that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisLa Crosse
STL Lambert-St Louis - LSE La Crosse
STLLSE
Lambert-St Louis
Sat 10/24
5:00 am-11:53 am
1 stop6h 53m
La Crosse
Wed 10/28
7:04 am-10:51 am
1 stop27h 47m
$364
Quickest round-trip
St. LouisLa Crosse
STL Lambert-St Louis - LSE La Crosse
STLLSE
Lambert-St Louis
Thu 10/1
7:27 am-12:20 am
1 stop16h 53m
La Crosse
Sun 10/4
5:22 pm-10:50 am
1 stop17h 28m
$516
St. LouisLa Crosse
STL Lambert-St Louis - LSE La Crosse
STLLSE
Lambert-St Louis
Fri 10/2
11:01 am-11:22 am
1 stop24h 21m
La Crosse
Sun 10/4
12:26 pm-10:50 am
1 stop22h 24m
$516
Sorted by cheapest first
Compare providers for flights from St. Louis to La Crosse
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to La Crosse in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-La Crosse flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-La Crosse flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-La Crosse flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-La Crosse flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-La Crosse flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to La Crosse
Have a flexible travel schedule? Discover the best time to fly to La Crosse from St. Louis with our price prediction graph.
STL-LSE
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from St. Louis to La Crosse. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near La Crosse?
Book flights to La Crosse if you plan to visit one of these locationsDecorah
Winona
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