$509+ Cheap flights from Boston to La Crosse (BOS - 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LSE
Oct 25 — Nov 11
Round-trip
1 adult, Economy
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Find cheap flights from Boston 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 Boston to La Crosse
Cheapest
Best
Last-minute
Cheapest flights from Boston to La CrosseExplore the most affordable flight options available from Boston to La Crosse. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
Explore the most affordable flight options available from Boston to La Crosse. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/1612:00 pm -
1 stop12h 59m
Mon 10/196:55 pm -
1 stop16h 12m
Deal found 9/24![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 9/22. 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 10/77:00 am -
1 stop5h 53m
Sun 10/1112:23 pm -
2 stops8h 18m
Deal found 9/22![American Airlines logo]()
$515
This American Airlines deal was found by Cheapflights users on 9/20. 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 10/233:31 pm -
1 stop9h 28m
Sun 10/256:55 pm -
1 stop14h 38m
Deal found 9/20![American Airlines logo]()
$522
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/27:17 pm -
1 stop6h 03m
Mon 10/512:23 pm -
1 stop7h 36m
Deal found 9/21![American Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 9/22. 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 10/165:35 pm -
2 stops7h 24m
Sun 10/187:04 am -
1 stop6h 37m
Deal found 9/22![American Airlines logo]()
$575
Best flights from Boston to La CrosseDiscover carefully curated flight deals from Boston to La Crosse that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
Discover carefully curated flight deals from Boston to La Crosse that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/1612:00 pm -
1 stop12h 59m
Mon 10/196:55 pm -
1 stop16h 12m
Deal found 9/24![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 9/22. 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 10/76:00 am -
2 stops6h 53m
Sun 10/1112:23 pm -
2 stops8h 18m
Deal found 9/22![American Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/233:31 pm -
1 stop9h 28m
Sun 10/256:55 pm -
1 stop14h 38m
Deal found 9/23![American Airlines logo]()
$522
This American Airlines deal was found by Cheapflights users on 9/22. 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 10/167:00 am -
1 stop12h 20m
Sun 10/186:55 pm -
1 stop13h 42m
Deal found 9/22![American Airlines logo]()
$522
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/25:10 pm -
2 stops8h 10m
Mon 10/512:23 pm -
1 stop6h 10m
Deal found 9/21![American Airlines logo]()
$572
Last-minute flights from Boston to La CrosseDiscover last-minute flight deals from Boston to La Crosse. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to La Crosse. Data last updated September 25, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/27:17 pm -
1 stop6h 03m
Mon 10/512:23 pm -
1 stop7h 36m
Deal found 9/21![American Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 9/22. 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 10/77:00 am -
1 stop5h 53m
Sun 10/1112:23 pm -
2 stops8h 18m
Deal found 9/22![American Airlines logo]()
$515
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/1612:00 pm -
1 stop12h 59m
Mon 10/196:55 pm -
1 stop16h 12m
Deal found 9/24![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 9/22. 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 10/165:35 pm -
2 stops7h 24m
Sun 10/187:04 am -
1 stop6h 37m
Deal found 9/22![American Airlines logo]()
$575
This American Airlines deal was found by Cheapflights users on 9/22. 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 10/233:31 pm -
1 stop9h 28m
Sun 10/256:55 pm -
1 stop14h 38m
Deal found 9/22![American Airlines logo]()
$522
Find flight deals from Boston to La Crosse
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $436 (American Airlines) |
Popular in | March |
Cheapest in | April |
Average price | $501 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston 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 25, 2026.
Use the filters below to find and compare flights from Boston to La Crosse that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonLa Crosse
BOS Boston Logan Intl - LSE La Crosse
BOSLSE
Boston Logan Intl
Fri 10/16
12:00 pm-11:59 pm
1 stop12h 59m
La Crosse
Mon 10/19
6:55 pm-12:07 pm
1 stop16h 12m
$509
BostonLa Crosse
BOS Boston Logan Intl - LSE La Crosse
BOSLSE
Boston Logan Intl
Wed 10/7
6:00 am-11:53 am
2 stops6h 53m
La Crosse
Sun 10/11
12:23 pm-9:41 pm
2 stops8h 18m
$520
BostonLa Crosse
BOS Boston Logan Intl - LSE La Crosse
BOSLSE
Boston Logan Intl
Fri 10/23
3:31 pm-11:59 pm
1 stop9h 28m
La Crosse
Sun 10/25
6:55 pm-10:33 am
1 stop14h 38m
$522
BostonLa Crosse
BOS Boston Logan Intl - LSE La Crosse
BOSLSE
Boston Logan Intl
Fri 10/16
7:00 am-6:20 pm
1 stop12h 20m
La Crosse
Sun 10/18
6:55 pm-9:37 am
1 stop13h 42m
$522
Quickest round-trip
BostonLa Crosse
BOS Boston Logan Intl - LSE La Crosse
BOSLSE
Boston Logan Intl
Fri 10/2
5:10 pm-12:20 am
2 stops8h 10m
La Crosse
Mon 10/5
12:23 pm-7:33 pm
1 stop6h 10m
$572
Sorted by cheapest first
Compare providers for flights from Boston 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 Boston to La Crosse in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-La Crosse flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-La Crosse flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-La Crosse flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-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 Boston-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 Boston to La Crosse
Have a flexible travel schedule? Discover the best time to fly to La Crosse from Boston with our price prediction graph.
BOS-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.
Cheapflights Insights
Everything you need to know about your flight from Boston to La Crosse
Reviews of airlines servicing La Crosse
Get insights into the airlines that provide service to La Crosse. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to La Crosse. Reviews last updated September 25, 2026.
Read through reviews of airlines operating flights from Boston to La Crosse, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.2
Entertainment
6.8
Food
6.4
Overall
7.0
Boarding
7.4
Crew
7.9
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Comfort
7.2
Entertainment
6.8
Food
6.4
Overall
7.0
Boarding
7.4
Crew
7.9
Reviews
1 / 20
10.0
ExcellentLinda,Jul 2026
ROA - CLT
Related info for your journey
Find useful and relevant information for your journey from Boston 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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Other flights to La Crosse
Explore flights to La Crosse departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.
Boston and La Crosse flights
Browse other Boston and La Crosse flight options. Last updated on September 25, 2026.
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Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Boston to La Crosse
Discover the top airline that operate flights from Boston to La Crosse. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$420 | Average$500 | FlexibilityNo cancel fee | On-time71% |