$433 Cheap Flights from La Crosse (LSE) to Philadelphia (PHL)

View $433 flight on Tue, Dec 30, 2025Opens in a new window

Popular airlines from La Crosse, WI (LSE-La Crosse Municipal) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from La Crosse to Philadelphia (LSE-PHL)

Prices were available within the past 7 days and start at $433 for one-way flights and $418 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Mar 4 - Tue, Mar 10
LSE
La Crosse
PHL
Philadelphia
$418 Roundtrip, found 11 hours ago
$418
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Mar 4 from La Crosse to Philadelphia, returning Tue, Mar 10, priced at $418 found 11 hours ago
American Airlines
Thu, Jan 1 - Wed, Jan 7
LSE
La Crosse
PHL
Philadelphia
$515 Roundtrip, found 5 days ago
$515
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Jan 1 from La Crosse to Philadelphia, returning Wed, Jan 7, priced at $515 found 5 days ago
American Airlines
Fri, Jan 16 - Sat, Jan 17
LSE
La Crosse
PHL
Philadelphia
$521 Roundtrip, found 3 days ago
$521
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jan 16 from La Crosse to Philadelphia, returning Sat, Jan 17, priced at $521 found 3 days ago
American Airlines
Fri, May 15 - Tue, May 19
LSE
La Crosse
PHL
Philadelphia
$523 Roundtrip, found 2 days ago
$523
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, May 15 from La Crosse to Philadelphia, returning Tue, May 19, priced at $523 found 2 days ago
American Airlines
Fri, May 15 - Tue, May 19
LSE
La Crosse
PHL
Philadelphia
$550 Roundtrip, found 2 days ago
$550
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, May 15 from La Crosse to Philadelphia, returning Tue, May 19, priced at $550 found 2 days ago
American Airlines
Fri, Jan 16 - Sun, Jan 18
LSE
La Crosse
PHL
Philadelphia
$554 Roundtrip, found 3 days ago
$554
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jan 16 from La Crosse to Philadelphia, returning Sun, Jan 18, priced at $554 found 3 days ago
American Airlines
Fri, Jan 2 - Sun, Jan 11
LSE
La Crosse
PHL
Philadelphia
$556 Roundtrip, found 5 days ago
$556
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Jan 2 from La Crosse to Philadelphia, returning Sun, Jan 11, priced at $556 found 5 days ago
American Airlines
Wed, Mar 4 - Mon, Mar 9
LSE
La Crosse
PHL
Philadelphia
$565 Roundtrip, found 4 hours ago
$565
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Mar 4 from La Crosse to Philadelphia, returning Mon, Mar 9, priced at $565 found 4 hours ago
American Airlines
Fri, May 15 - Tue, May 19
LSE
La Crosse
PHL
Philadelphia
$568 Roundtrip, found 2 days ago
$568
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, May 15 from La Crosse to Philadelphia, returning Tue, May 19, priced at $568 found 2 days ago
American Airlines
Sat, Jan 17 - Mon, Jan 19
LSE
La Crosse
PHL
Philadelphia
$580 Roundtrip, found 3 days ago
$580
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Jan 17 from La Crosse to Philadelphia, returning Mon, Jan 19, priced at $580 found 3 days ago

Frequently asked questions

How much does a flight from La Crosse Municipal Airport (LSE) to Philadelphia Intl. Airport (PHL) cost?
Lock in a cheap one-way flight from $433 or cheap return flight from $418 from La Crosse Municipal Airport (LSE) to Philadelphia Intl. Airport (PHL) 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 La Crosse Municipal Airport (LSE) to Philadelphia Intl. Airport (PHL)?
The cheapest month to fly from LSE to PHL is March, when demand is low. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from La Crosse Municipal Airport (LSE) to Philadelphia Intl. Airport (PHL)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest LSE to PHL flight.
How many flights per day from La Crosse Municipal Airport (LSE) to Philadelphia Intl. Airport (PHL)?
You'll have to take a flight with a layover if you're traveling from La Crosse Municipal Airport (LSE) to Philadelphia Intl. Airport (PHL). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from LSE to PHL?
Typically you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from La Crosse Municipal Airport (LSE) to Philadelphia Intl. Airport (PHL)?
To avoid potential delays on the La Crosse Municipal Airport (LSE) to Philadelphia Intl. Airport (PHL) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**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 La Crosse Municipal Airport (LSE) to Philadelphia Intl. Airport (PHL) last-minute?
Last-minute fares from LSE to PHL are generally more expensive. For the lowest prices, start searching for flights well in advance. That being said, if your travel plans are flexible, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a LSE to PHL flight and hotel package?
Compared with arranging flights and hotels separately, booking a LSE to PHL flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the hassle out of planning your trip. Just pick your flights and select from our extensive range of hotels, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from La Crosse Municipal Airport (LSE) to Philadelphia Intl. Airport (PHL)?
Typically, you can modify or cancel your LSE to PHL flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like further information, head to our Customer Service portal.

Travel information

Origin airport
La Crosse Municipal
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines
Roundtrip price
$418
Distance
867 mi

Book with confidence

La Crosse to Philadelphia Flights

The cheapest times to fly from La Crosse to Philadelphia

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 La Crosse to Philadelphia are during the month of March. You can find some of the cheapest flights from La Crosse to Philadelphia with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from La Crosse to Philadelphia: 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 La Crosse to Philadelphia

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 La Crosse to Philadelphia in 2026. You can also book with separate airlines for your outbound and return journeys, from $433 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 La Crosse to Philadelphia 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 La Crosse to Philadelphia 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.

 

La Crosse to Philadelphia Flights

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*Available to One Key members.