HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key Largo

$432+ Cheap flights from La Crosse (LSE) to Key Largo, FL

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — MIA
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from La Crosse to Key Largo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from La Crosse to Key Largo

Keep the following information in mind while searching for La Crosse to Key Largo flight deals. Data was last updated July 1, 2025.

Round-trip from

$432
(American Airlines)
From La Crosse to Key Largo
Search Deals

Find flight deals from La Crosse to Key Largo

Cheapest flights from La Crosse to Key Largo
Explore the most affordable flight options available from La Crosse to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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 7/156:00 amLSE - MIA
1 stop7h 12mAmerican Airlines
Sat 7/196:40 amMIA - LSE
1 stop5h 19mAmerican Airlines
Deal found 6/30$432

Cheapflights Fare Finder

Customize your flight search to find flights from La Crosse to Key Largo 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 July 1, 2025.
Use the filters below to find and compare flights from La Crosse to Key Largo that are best for you.

Fly from

La Crosse

Fly to

Key Largo

Route

Depart

Return

Price

La CrosseMiami

LSE - MIA

LSEMIA

La Crosse

Tue 7/15

6:00 am-2:12 pm

1 stop7h 12m

Miami

Sat 7/19

6:40 am-10:59 am

1 stop5h 19m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from La Crosse to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo 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 Key Largo

What is the cheapest month to book a flight from La Crosse to Key Largo?

Currently, September is the cheapest month in which you can book a flight from La Crosse to Key Largo (average of $230). Flying from La Crosse to Key Largo in March is currently the most expensive (average of $289). 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.

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key Largo. Reviews last updated July 1, 2025.
Peruse reviews from past customers who have flown with American Airlines from La Crosse to Key Largo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Comfort

7.2

Overall

7.2

Entertainment

6.9

Boarding

7.5

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Comfort

7.2

Overall

7.2

Entertainment

6.9

Boarding

7.5

Crew

8.0

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

Related info for your journey

Find useful and relevant information for your journey from La Crosse to Key Largo. 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 Key Largo?

    La Crosse (LSE) is the airport you will fly out of if you book a flight from La Crosse to Key Largo. You should not have trouble finding flights to Key Largo from La Crosse; the airport handles an average of 0 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 1 airline has flights from the La Crosse airport to Key Largo. It is only a 5.4 mi journey to La Crosse (LSE) from La Crosse’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from La Crosse to Key Largo 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 Key Largo?

    Currently, September is the cheapest month in which you can book a flight from La Crosse to Key Largo (average of $230). Flying from La Crosse to Key Largo in March is currently the most expensive (average of $289). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for La Crosse to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Miami flights
O'Hare Intl to Orlando flights
O'Hare Intl to Fort Lauderdale flights
O'Hare Intl to Tampa flights
Minneapolis to Orlando flights
Minneapolis to Miami flights
O'Hare Intl to Fort Myers flights
Minneapolis to Fort Myers flights
Minneapolis to Fort Lauderdale flights
O'Hare Intl to West Palm Beach flights
Minneapolis to Tampa flights
O'Hare Intl to Jacksonville flights
O'Hare Intl to Sarasota flights
Minneapolis to Valparaiso flights
Milwaukee to Orlando flights
Appleton to Orlando flights
O'Hare Intl to Pensacola flights
O'Hare Intl to Key West flights
O'Hare Intl to Panama City flights
Minneapolis to Jacksonville flights
Milwaukee to Fort Lauderdale flights
Milwaukee to Fort Myers flights
Milwaukee to Tampa flights
Milwaukee to Miami flights
Madison to Orlando flights
Minneapolis to Pensacola flights
Minneapolis to Sarasota flights
Minneapolis to West Palm Beach flights
Milwaukee to Key West flights
Appleton to Fort Myers flights
Milwaukee to Panama City flights
Madison to Fort Lauderdale flights
Appleton to Orlando Sanford Intl flights
Milwaukee to Pensacola flights
Madison to Miami flights
Madison to Fort Myers flights
Appleton to Miami flights
Appleton to Tampa flights
O'Hare Intl to Valparaiso flights
Green Bay to Orlando flights
Milwaukee to Valparaiso flights
Minneapolis to Panama City flights
Appleton to Sarasota flights
Madison to Tampa flights
Milwaukee to Sarasota flights
Minneapolis to Key West flights
Appleton to Pensacola flights
O'Hare Intl to St Petersburg flights
Green Bay to Tampa flights
Appleton to Fort Lauderdale flights

Top airline flying from La Crosse to Key Largo

Discover the top airline that operate flights from La Crosse to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$425Average$518FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.