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Key Largo

$451+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
LSE — MIA
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from La Crosse to Key Largo

Best flights from La Crosse to Key Largo
Discover carefully curated flight deals from La Crosse to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This American Airlines deal was found by Cheapflights users on 12/21. 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.
Fri 1/236:00 amLSE - MIA
1 stop5h 27mAmerican Airlines
Wed 1/284:50 pmMIA - LSE
1 stop6h 26mAmerican Airlines
Deal found 12/21$451
This American Airlines deal was found by Cheapflights users on 12/22. 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 1/66:00 amLSE - MIA
1 stop5h 27mAmerican Airlines
Sat 1/107:07 amMIA - LSE
2 stops10h 09mAmerican Airlines
Deal found 12/22$478
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Thu 2/511:37 amLSE - MIA
1 stop8h 33mAmerican Airlines
Mon 2/93:35 pmMIA - LSE
1 stop7h 41mAmerican Airlines
Deal found 12/21$484
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Sat 1/105:08 pmLSE - MIA
1 stop5h 35mAmerican Airlines
Sun 1/189:45 amMIA - LSE
1 stop7h 31mAmerican Airlines
Deal found 12/21$515
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Thu 1/155:08 pmLSE - MIA
1 stop5h 35mAmerican Airlines
Sun 1/188:39 amMIA - LSE
1 stop8h 37mAmerican Airlines
Deal found 12/21$558

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$451
(American Airlines)
Provider with most accurate pricing for La Crosse-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for La Crosse-Miami flights.
Search Deals
From La Crosse to Key Largo
Search Deals

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 December 23, 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

Fri 1/23

6:00 am-12:27 pm

1 stop5h 27m

Miami

Wed 1/28

4:50 pm-10:16 pm

1 stop6h 26m

$451

La CrosseMiami

LSE - MIA

LSEMIA

La Crosse

Tue 1/6

6:00 am-12:27 pm

1 stop5h 27m

Miami

Sat 1/10

7:07 am-4:16 pm

2 stops10h 09m

$478

La CrosseMiami

LSE - MIA

LSEMIA

La Crosse

Thu 2/5

11:37 am-9:10 pm

1 stop8h 33m

Miami

Mon 2/9

3:35 pm-10:16 pm

1 stop7h 41m

$484

La CrosseMiami

LSE - MIA

LSEMIA

La Crosse

Sat 1/10

5:08 pm-11:43 pm

1 stop5h 35m

Miami

Sun 1/18

9:45 am-4:16 pm

1 stop7h 31m

$515

La CrosseMiami

LSE - MIA

LSEMIA

La Crosse

Thu 1/15

5:08 pm-11:43 pm

1 stop5h 35m

Miami

Sun 1/18

8:39 am-4:16 pm

1 stop8h 37m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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, October is the cheapest month in which you can book a flight from La Crosse to Key Largo (average of $211). Flying from La Crosse to Key Largo in June is currently the most expensive (average of $398). 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 December 23, 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
11,054 reviews

Overall

7.2

Food

6.4

Entertainment

6.9

Comfort

7.2

Crew

8.0

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
11,054 reviews
American Airlines
7.2
Good
11,054 reviews

Overall

7.2

Food

6.4

Entertainment

6.9

Comfort

7.2

Crew

8.0

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 5h 27m. American Airlines provides one of the quickest options available for as low as $451. 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, October is the cheapest month in which you can book a flight from La Crosse to Key Largo (average of $211). Flying from La Crosse to Key Largo in June is currently the most expensive (average of $398). 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$415Average$500FlexibilityNo cancel feeOn-time71%

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