$449 Cheap Flights from Washington (IAD) to La Crosse (LSE)

View $449 flight on Tue, Nov 25, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to La Crosse, WI (LSE-La Crosse Municipal)

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Cheap Flights from Washington to La Crosse (IAD-LSE)

Prices were available within the past 7 days and start at $449 for one-way flights and $589 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Nov 14 - Thu, Nov 20
IAD
Washington
LSE
La Crosse
$589 Roundtrip, found 3 days ago
$589
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Nov 14 from Washington to La Crosse, returning Thu, Nov 20, priced at $589 found 3 days ago

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to La Crosse Municipal Airport (LSE) cost?
Snag a cheap one-way flight from $449 or cheap return flight from $589 from Washington Dulles Intl. Airport (IAD) to La Crosse Municipal Airport (LSE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to La Crosse Municipal Airport (LSE)?
The cheapest month to fly from IAD to LSE is November, when demand is low. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to La Crosse Municipal Airport (LSE)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from IAD to LSE. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to La Crosse Municipal Airport (LSE)?
There are no daily direct flights available from Washington Dulles Intl. Airport (IAD) to La Crosse Municipal Airport (LSE). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from IAD to LSE?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to La Crosse Municipal Airport (LSE)?
To touch down at La Crosse Municipal Airport (LSE) on time, pick a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The chance 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 Washington Dulles Intl. Airport (IAD) to La Crosse Municipal Airport (LSE) last-minute?
Booking your ticket from IAD to LSE shortly before your trip is generally more expensive. But if you're flexible with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book an IAD to LSE flight and hotel package?
You can save money by booking an IAD to LSE flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal accommodations and flights, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to La Crosse Municipal Airport (LSE)?
It's usually possible to cancel or reschedule your IAD to LSE flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
La Crosse Municipal
Roundtrip price
$588
Distance
791 mi

Book with confidence

Washington to La Crosse Flights

The cheapest times to fly from Washington 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 Washington to La Crosse are during the month of November. You can find some of the cheapest flights from Washington to La Crosse with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to La Crosse

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to La Crosse in 2025. You can also book with separate airlines for your outbound and return journeys, from $449 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 Washington 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 Washington 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.

 

Washington to La Crosse Flights

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