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$501+ Cheap flights from La Crosse (LSE) to Idaho

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — BOI
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from La Crosse to Idaho

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

Round-trip from

$501
(American Airlines)
From La Crosse to Idaho
Search Deals

Find flight deals from La Crosse to Idaho

Cheapest flights from La Crosse to Idaho
Explore the most affordable flight options available from La Crosse to Idaho. 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 9/10. 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.
Sat 11/159:59 amLSE - IDA
2 stops13h 35mAmerican Airlines
Tue 11/187:10 amIDA - LSE
2 stops13h 52mAmerican Airlines
Deal found 9/10$501
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.
Wed 10/86:00 amLSE - GEG
1 stop8h 20mAmerican Airlines
Wed 10/151:12 pmGEG - LSE
1 stop8h 14mAmerican Airlines
Deal found 9/9$570
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.
Sat 10/46:00 amLSE - GEG
1 stop8h 44mAmerican Airlines
Tue 10/71:12 pmGEG - LSE
1 stop8h 14mAmerican Airlines
Deal found 9/9$660

Cheapflights Fare Finder

 
Customize your flight search to find flights from La Crosse to Idaho 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 La Crosse to Idaho that are best for you.

Fly from

La Crosse

Fly to

Idaho

Route

Depart

Return

Price

La CrosseIdaho Falls

LSE - IDA

LSEIDA

La Crosse

Sat 11/15

9:59 am-10:34 pm

2 stops13h 35m

Idaho Falls Fanning Field

Tue 11/18

7:10 am-10:02 pm

2 stops13h 52m

$501

La CrosseSpokane

LSE - GEG

LSEGEG

La Crosse

Wed 10/8

6:00 am-12:20 pm

1 stop8h 20m

Spokane

Wed 10/15

1:12 pm-11:26 pm

1 stop8h 14m

$570

La CrosseSpokane

LSE - GEG

LSEGEG

La Crosse

Sat 10/4

6:00 am-12:44 pm

1 stop8h 44m

Spokane

Tue 10/7

1:12 pm-11:26 pm

1 stop8h 14m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from La Crosse to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from La Crosse 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 La Crosse to Idaho
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 La Crosse to Idaho. 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 from for flights from La Crosse to Idaho?

    If you book a flight to Idaho from La Crosse, you will be flying from La Crosse, which is the city’s only airport. La Crosse (LSE) is located 5.4 mi from the center of La Crosse.

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

    American Airlines can get you from La Crosse to Idaho in just under 13h 35m. Your travel time can differ by up to . Airlines will cover a distance of 1036 mi.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from La Crosse to Idaho?

    Currently, October is the cheapest month in which you can book a flight from La Crosse to Idaho (average of $314). Flying from La Crosse to Idaho in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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