Cheap Flights from Idaho Falls (IDA) to La Crosse (LSE)

Popular airlines from Idaho Falls Regional Airport (IDA) to La Crosse, WI (LSE-La Crosse Municipal)

Cheap Flights from Idaho Falls to La Crosse (IDA-LSE)

Prices were available within the past 7 days and start at for one-way flights and $705 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Sep 30 - Thu, Oct 2
IDA
Idaho Falls
LSE
La Crosse
$705 Roundtrip, found 4 days ago
$705
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Sep 30 from Idaho Falls to La Crosse, returning Thu, Oct 2, priced at $705 found 4 days ago
American Airlines
Tue, Sep 30 - Fri, Oct 3
IDA
Idaho Falls
LSE
La Crosse
$941 Roundtrip, found 4 days ago
$941
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Sep 30 from Idaho Falls to La Crosse, returning Fri, Oct 3, priced at $941 found 4 days ago
American Airlines
Tue, Sep 30 - Wed, Oct 1
IDA
Idaho Falls
LSE
La Crosse
$1,035 Roundtrip, found 4 days ago
$1,035
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Sep 30 from Idaho Falls to La Crosse, returning Wed, Oct 1, priced at $1,035 found 4 days ago

Frequently asked questions

How much does a flight from Idaho Falls Regional Airport (IDA) to La Crosse Municipal Airport (LSE) cost?
Get a cheap one-way flight or cheap return flight from $705 from Idaho Falls Regional Airport (IDA) to La Crosse Municipal Airport (LSE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Idaho Falls Regional Airport (IDA) to La Crosse Municipal Airport (LSE)?
September is the least expensive month to fly from IDA to LSE. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from Idaho Falls Regional Airport (IDA) to La Crosse Municipal Airport (LSE)?
To find the cheapest airline that'll fly you from IDA to LSE, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Idaho Falls Regional Airport (IDA) to La Crosse Municipal Airport (LSE)?
You'll have to catch a flight with a layover when traveling from Idaho Falls Regional Airport (IDA) to La Crosse Municipal Airport (LSE). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from IDA to LSE?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Idaho Falls Regional Airport (IDA) to La Crosse Municipal Airport (LSE)?
To arrive at La Crosse Municipal Airport (LSE) on time, book a flight that takes off from Idaho Falls Regional Airport (IDA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Idaho Falls Regional Airport (IDA) to La Crosse Municipal Airport (LSE) last-minute?
Waiting until just before your trip to book a flight from IDA to LSE generally means paying more. While you may come across some last-minute deals, they're not always guaranteed. Be flexible with your itinerary for the best chance of scoring a bargain.
Is it cheaper to book an IDA to LSE flight and hotel package?
Booking an IDA to LSE flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Idaho Falls Regional Airport (IDA) to La Crosse Municipal Airport (LSE)?
In most cases, you can modify or cancel your IDA to LSE flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more details, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Idaho Falls Regional
Destination airport
La Crosse Municipal
Roundtrip price
$705
Distance
1036 mi

Book with confidence

Book with confidence

Idaho Falls to La Crosse Flights

The cheapest times to fly from Idaho Falls to La Crosse

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Idaho Falls to La Crosse are during the month of September. You can find some of the cheapest flights from Idaho Falls to La Crosse with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Idaho Falls to La Crosse

Sunday is one of the best days to book for cheap flights from Idaho Falls to La Crosse: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Idaho Falls to La Crosse

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Idaho Falls to La Crosse in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Idaho Falls to La Crosse flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Idaho Falls to La Crosse airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Idaho Falls to La Crosse Flights

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*Available to One Key members.