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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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — MIA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 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 September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 9/306:00 amLSE - MIA
1 stop7h 50mAmerican Airlines
Sat 10/42:16 pmMIA - LSE
1 stop8h 48mAmerican Airlines
Deal found 9/14$432
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/16:00 amLSE - MIA
1 stop5h 13mAmerican Airlines
Sun 10/55:16 pmMIA - LSE
1 stop7h 01mAmerican Airlines
Deal found 9/16$517
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 9/296:00 amLSE - MIA
1 stop5h 13mAmerican Airlines
Fri 10/39:26 pmMIA - LSE
1 stop13h 13mAmerican Airlines
Deal found 9/13$860

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 September 16, 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 9/30

6:00 am-2:50 pm

1 stop7h 50m

Miami

Sat 10/4

2:16 pm-10:04 pm

1 stop8h 48m

$432

La CrosseMiami

LSE - MIA

LSEMIA

La Crosse

Sat 1/10

11:37 am-7:14 pm

1 stop6h 37m

Miami

Sun 1/18

6:30 am-11:02 am

1 stop5h 32m

$451

La CrosseMiami

LSE - MIA

LSEMIA

La Crosse

Wed 10/1

6:00 am-12:13 pm

1 stop5h 13m

Miami

Sun 10/5

5:16 pm-11:17 pm

1 stop7h 01m

$517

La CrosseMiami

LSE - MIA

LSEMIA

La Crosse

Wed 1/14

6:06 am-12:32 pm

1 stop5h 26m

Miami

Mon 1/19

6:30 am-11:02 am

1 stop5h 32m

$576

La CrosseMiami

LSE - MIA

LSEMIA

La Crosse

Tue 1/13

11:37 am-7:14 pm

1 stop6h 37m

Miami

Mon 1/19

6:30 am-11:02 am

1 stop5h 32m

$576

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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 $232). 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 September 16, 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

Entertainment

6.9

Overall

7.2

Food

6.4

Crew

8.0

Comfort

7.2

Boarding

7.5

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

Entertainment

6.9

Overall

7.2

Food

6.4

Crew

8.0

Comfort

7.2

Boarding

7.5

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.

  • How long is the flight from La Crosse to Key Largo?

    A quick flight from La Crosse to Key Largo can take about 7h 50m. American Airlines provides one of the quickest options available for as low as $432. There are 1392 mi between La Crosse and Key Largo.

  • 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 $232). 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.

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$425Average$511FlexibilityNo cancel feeOn-time71%

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