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Mendoza

$255+ Cheap flights from Key Largo, FL to Mendoza (MDZ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — MDZ
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Key Largo to Mendoza

Cheapest flights from Key Largo to Mendoza
Explore the most affordable flight options available from Key Largo to Mendoza. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Booking.com deal was found by Cheapflights users on 1/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:25 pm
MIA
-
MDZ
2 stops19h 40m
Multiple Airlines
Sun 4/263:40 pm
MDZ
-
MIA
2 stops17h 25m
Multiple Airlines
Deal found 1/27$542
This CheapOair deal was found by Cheapflights users on 1/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:30 pm
MIA
-
MDZ
2 stops22h 40m
Multiple Airlines
Fri 3/203:40 pm
MDZ
-
MIA
2 stops17h 40m
Multiple Airlines
Deal found 1/28$568
This LATAM Airlines deal was found by Cheapflights users on 1/27. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/174:55 pm
MIA
-
MDZ
2 stops15h 25m
LATAM Airlines
Wed 3/1812:55 pm
MDZ
-
MIA
2 stops30h 15m
LATAM Airlines
Deal found 1/27$572
This Booking.com deal was found by Cheapflights users on 1/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:25 pm
MIA
-
MDZ
3 stops24h 45m
Multiple Airlines
Tue 4/289:00 pm
MDZ
-
MIA
2 stops21h 05m
Multiple Airlines
Deal found 1/26$579
This Copa Airlines deal was found by Cheapflights users on 1/28. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
MIA
-
MDZ
1 stop17h 18m
Copa Airlines
Wed 6/31:25 am
MDZ
-
MIA
1 stop16h 22m
Copa Airlines
Deal found 1/28$581
This LATAM Airlines deal was found by Cheapflights users on 1/28. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:37 pm
MIA
-
MDZ
2 stops14h 43m
LATAM Airlines
Wed 3/1112:55 pm
MDZ
-
MIA
2 stops19h 15m
LATAM Airlines
Deal found 1/28$592
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:25 pm
MIA
-
MDZ
2 stops19h 40m
Multiple Airlines
Wed 5/279:10 pm
MDZ
-
MIA
3 stops20h 55m
Multiple Airlines
Deal found 1/27$599
This Booking.com deal was found by Cheapflights users on 1/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:55 pm
MIA
-
MDZ
1 stop12h 25m
Multiple Airlines
Mon 10/199:15 pm
MDZ
-
MIA
2 stops20h 50m
Multiple Airlines
Deal found 1/28$615

Find flight deals from Key Largo to Mendoza

Keep the following information in mind while searching for Key Largo to Mendoza flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$542
(Booking.com)

One-way from

$255
(eDestinos)

Popular in

December

Cheapest in

September

Average price

$902
Provider with most accurate pricing for Miami-Mendoza El Plumerillo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Mendoza El Plumerillo flights.
Search Deals
From Key Largo to Mendoza El Plumerillo
Search Deals
One-way flight from Key Largo to Mendoza El Plumerillo
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Mendoza 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 January 29, 2026.
Use the filters below to find and compare flights from Key Largo to Mendoza that are best for you.

Fly from

Key Largo

Fly to

Mendoza

Route

Depart

Return

Price

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Fri 3/6

7:30 pm-8:10 pm

2 stops22h 40m

Mendoza El Plumerillo

Fri 3/20

3:40 pm-8:20 am

2 stops17h 40m

$568

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Tue 3/17

5:55 pm-9:20 am

2 stops14h 25m

Mendoza El Plumerillo

Wed 3/18

12:55 pm-6:10 pm

2 stops30h 15m

$572

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Tue 4/21

6:25 pm-8:10 pm

3 stops24h 45m

Mendoza El Plumerillo

Tue 4/28

9:00 pm-5:05 pm

2 stops21h 05m

$579

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Thu 4/23

6:00 am-12:18 am

1 stop17h 18m

Mendoza El Plumerillo

Wed 6/3

1:25 am-4:47 pm

1 stop16h 22m

$581

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Tue 3/10

5:37 pm-9:20 am

2 stops14h 43m

Mendoza El Plumerillo

Wed 3/11

12:55 pm-7:10 am

2 stops19h 15m

$592

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Tue 3/3

5:26 am-12:09 am

1 stop16h 43m

$265

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Tue 3/3

8:45 am-9:40 pm

2 stops34h 55m

$342

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Sun 3/1

3:02 pm-8:40 am

2 stops15h 38m

$355

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Sun 2/1

5:36 am-12:09 am

1 stop16h 33m

$385

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Wed 2/4

8:45 pm-7:35 pm

2 stops20h 50m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 15 results
1
2

Best time to book a flight from Key Largo to Mendoza

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

How far ahead should I book a flight from Key Largo to Mendoza?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Mendoza. Price data was last updated on January 23, 2026.

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo to Mendoza. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Key Largo to Mendoza (average of $248). Flying from Key Largo to Mendoza in June is currently the most expensive (average of $797). 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.

How much does it cost to fly round-trip from Key Largo to Mendoza?

Reviews of airlines servicing Mendoza

Get insights into the airlines that provide service to Mendoza. 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 Mendoza. Reviews last updated January 29, 2026.
Peruse reviews from past customers who have flown with Aerolineas Argentinas, LATAM Airlines, and Copa Airlines from Key Largo to Mendoza 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.
Aerolineas Argentinas
8.0
Very good
1,007 reviews

Comfort

7.5

Crew

8.4

Boarding

8.0

Food

6.5

Entertainment

5.8

Overall

8.0

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.
Aerolineas Argentinas
8.0
Very good
1,007 reviews
Aerolineas Argentinas
8.0
Very good
1,007 reviews

Comfort

7.5

Crew

8.4

Boarding

8.0

Food

6.5

Entertainment

5.8

Overall

8.0

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.
LATAM Airlines
7.5
Good
1,918 reviews
Aerolineas Argentinas
8.0
Very good
1,007 reviews

Comfort

7.5

Crew

8.4

Boarding

8.0

Food

6.5

Entertainment

5.8

Overall

8.0

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.
Copa Airlines
7.5
Good
1,560 reviews
Aerolineas Argentinas
8.0
Very good
1,007 reviews

Comfort

7.5

Crew

8.4

Boarding

8.0

Food

6.5

Entertainment

5.8

Overall

8.0

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.
American Airlines
7.2
Good
11,206 reviews
Aerolineas Argentinas
8.0
Very good
1,007 reviews

Comfort

7.5

Crew

8.4

Boarding

8.0

Food

6.5

Entertainment

5.8

Overall

8.0

Reviews

1 / 6
8.0
Excellent

adam,Jan 2026

USH - EZE

Gate change was not announced. Groupings for boarding a little disorganized. Otherwise all good.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Mendoza. 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 into for flights to Mendoza from Key Largo?

    If you book a flight to Mendoza from Key Largo, you will be flying to El Plumerillo, which is the city’s only airport. Mendoza El Plumerillo (MDZ) is located 5.1 mi from the center of Mendoza. There are 0 flights from Key Largo to El Plumerillo per day from 4 different airlines.

  • How long is the flight from Key Largo to Mendoza?

    For as low as $572, LATAM Airlines can have you in Mendoza from Key Largo in 14h 25m. The distance between Key Largo and Mendoza is about 4118 mi.

  • What are the cheapest airlines to fly from Key Largo to Mendoza one-way?

    $227 is the cheapest one-way deal found within the past few days, from Copa Airlines. You may also be able to find cheap deals on LATAM Airlines and Aerolineas Argentinas, with prices starting from $280 and $342, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo to Mendoza 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 Key Largo to Mendoza?

    Currently, January is the cheapest month in which you can book a flight from Key Largo to Mendoza (average of $248). Flying from Key Largo to Mendoza in June is currently the most expensive (average of $797). 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

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Top 4 airlines flying from Key Largo to Mendoza

Discover the top 4 airlines that operate flights from Key Largo to Mendoza. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$358Average$818FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$612Average$961FlexibilityNo cancel feeOn-time81%
Aerolineas ArgentinasCheapest$749Average$980FlexibilityNo cancel feeOn-time59%
American AirlinesCheapest$855Average$1,303FlexibilityNo cancel feeOn-time71%

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