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La Crosse

$640+ Cheap flights from Idaho to La Crosse (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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LSE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Idaho to La Crosse

Keep the following information in mind while searching for Idaho to La Crosse flight deals. Data was last updated September 11, 2025.

Round-trip from

$640
(American Airlines)
From Idaho to La Crosse
Search Deals

Find flight deals from Idaho to La Crosse

Cheapest flights from Idaho to La Crosse
Explore the most affordable flight options available from Idaho to La Crosse. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 12/91:57 pmBOI - LSE
1 stop7h 06mAmerican Airlines
Sat 12/136:00 amLSE - BOI
1 stop8h 24mAmerican Airlines
Deal found 9/9$640
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/101:26 pmBOI - LSE
1 stop19h 58mAmerican Airlines
Mon 10/206:15 pmLSE - BOI
1 stop19h 31mAmerican Airlines
Deal found 9/10$672

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Idaho to La Crosse that are best for you.

Fly from

Idaho

Fly to

La Crosse

Route

Depart

Return

Price

BoiseLa Crosse

BOI - LSE

BOILSE

Boise Air Term. Gowen Fld

Tue 12/9

1:57 pm-10:03 pm

1 stop7h 06m

La Crosse

Sat 12/13

6:00 am-1:24 pm

1 stop8h 24m

$640

BoiseLa Crosse

BOI - LSE

BOILSE

Boise Air Term. Gowen Fld

Fri 10/10

1:26 pm-10:24 am

1 stop19h 58m

La Crosse

Mon 10/20

6:15 pm-12:46 pm

1 stop19h 31m

$672

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from Idaho to La Crosse

Have a flexible travel schedule? Discover the best time to fly to La Crosse from Idaho with our price prediction graph.
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 Idaho to La Crosse
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Idaho to La Crosse. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to La Crosse from Idaho?

    Located just 5.4 mi from the city center, La Crosse (LSE) is the airport most travelers will use when flying to La Crosse from Idaho.

  • How long is the flight from Idaho to La Crosse?

    Departing from Idaho to La Crosse will take you 7h 06m. There are 1241 mi between Idaho and La Crosse.

  • Can I find deals for flights from Idaho to La Crosse that include hotel bookings?

    Yes. In addition to deals on Idaho to La Crosse flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to La Crosse?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to La Crosse.

  • Can I find deals for business class flights from Idaho to La Crosse?

    Yes. Cheapflights offers flight deals from Idaho to La Crosse by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near La Crosse?

Book flights to La Crosse if you plan to visit one of these locations
Winona
Decorah

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