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$255+ Cheap flights from Key Largo, FL to Argentina

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 — EZE
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Key Largo to Argentina

Cheapest flights from Key Largo to Argentina
Explore the most affordable flight options available from Key Largo to Argentina. 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 FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2212:45 am
MIA
-
COR
2 stops25h 35m
LATAM Airlines
Mon 3/24:20 pm
COR
-
MIA
2 stops24h 33m
LATAM Airlines
Deal found 1/28$583
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.
Wed 4/295:30 pm
MIA
-
COR
2 stops18h 04m
LATAM Airlines
Thu 5/147:55 am
COR
-
MIA
1 stop13h 40m
LATAM Airlines
Deal found 1/28$591
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 FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2212:45 am
MIA
-
COR
2 stops25h 35m
LATAM Airlines
Tue 3/36:24 pm
COR
-
MIA
1 stop13h 26m
LATAM Airlines
Deal found 1/28$594
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 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.
Wed 4/154:55 pm
MIA
-
COR
2 stops18h 39m
LATAM Airlines
Sun 4/199:11 pm
COR
-
MIA
2 stops24h 24m
LATAM Airlines
Deal found 1/28$602
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/101:00 pm
MIA
-
COR
1 stop12h 52m
Copa Airlines
Thu 2/193:54 am
COR
-
MIA
1 stop19h 49m
Copa Airlines
Deal found 1/26$605

Find flight deals from Key Largo to Argentina

Keep the following information in mind while searching for Key Largo to Argentina 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

$855
Provider with most accurate pricing for Miami-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Buenos Aires (BUE) flights.
Search Deals
From Key Largo to Argentina
Search Deals
One-way flight from Key Largo to Argentina
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 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 Argentina 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 Argentina that are best for you.

Fly from

Key Largo

Fly to

Argentina

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

MiamiCordoba

MIA - COR

MIACOR

Miami

Sun 2/22

12:45 am-4:20 am

2 stops25h 35m

Cordoba Pajas Blancas

Mon 3/2

4:20 pm-2:53 pm

2 stops24h 33m

$583

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

MiamiCordoba

MIA - COR

MIACOR

Miami

Thu 3/19

8:20 pm-12:06 pm

1 stop14h 46m

Cordoba Pajas Blancas

Mon 3/23

4:20 pm-7:10 am

1 stop15h 50m

$602

MiamiCordoba

MIA - COR

MIACOR

Miami

Wed 4/15

3:10 pm-12:34 pm

2 stops20h 24m

Cordoba Pajas Blancas

Sun 4/19

9:11 pm-3:55 pm

2 stops19h 44m

$602

MiamiCordoba

MIA - COR

MIACOR

Miami

Wed 4/29

10:45 pm-12:34 pm

1 stop12h 49m

Cordoba Pajas Blancas

Wed 5/13

7:55 am-8:35 pm

1 stop13h 40m

$602

MiamiCordoba

MIA - COR

MIACOR

Miami

Tue 2/10

1:00 pm-3:52 am

1 stop12h 52m

Cordoba Pajas Blancas

Thu 2/19

3:54 am-9:43 pm

1 stop19h 49m

$605

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
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Best time to book a flight from Key Largo to Argentina

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

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

Currently, January is the cheapest month in which you can book a flight from Key Largo to Argentina (average of $248). Flying from Key Largo to Argentina in February is currently the most expensive (average of $689). 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.

What is the cheapest time of day to fly from KE9 to AR?

Find hourly flight availability from Key Largo to Argentina. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

A simple way to save on the total cost of your ticket is to fly from Key Largo to Argentina in the morning. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight at noon.

Weekly flight availability from Key Largo to Argentina

Explore weekly flight availability from Key Largo to Argentina. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.

The most flights from KE9 to AR0 are scheduled on a Thursday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).

Reviews of airlines servicing Argentina

Get insights into the airlines that provide service to Argentina. 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 Argentina. 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 Argentina 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
1,008 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
1,008 reviews
Aerolineas Argentinas
8.0
Very good
1,008 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
1,917 reviews
Aerolineas Argentinas
8.0
Very good
1,008 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
1,008 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
1,008 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.
Avianca
6.6
Okay
2,490 reviews
Aerolineas Argentinas
8.0
Very good
1,008 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 Argentina. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from Key Largo to Argentina can take about 14h 25m. LATAM Airlines provides one of the quickest options available for as low as $572. Airlines will cover a distance of 4118 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $207 is the cheapest one-way deal found within the past few days, from Arajet. You may also be able to find cheap deals on Copa Airlines and Avianca, with prices starting from $227 and $232, respectively.

  • What are the most popular routes from Key Largo to Argentina?

    When deciding which route to take from Key Largo to Argentina consider Miami - Buenos Aires Ministro Pistarini, Miami - Buenos Aires Jorge Newbery or Miami - Cordoba Pajas Blancas as they are the most popular.

  • What are the most reliable airlines from Key Largo to Argentina?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Key Largo to Argentina on time: LATAM Airlines (76%), American Airlines (72%), Aerolineas Argentinas (68%).

  • What are the cheapest flights from Key Largo to Argentina?

    Looking for the cheapest flight from Key Largo to Argentina? While on average our users pay $1,792, our data indicates the cheapest price to be $295. The most popular route (Miami - Buenos Aires Ministro Pistarini), is priced around $532.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Key Largo to Argentina (average of $248). Flying from Key Largo to Argentina in February is currently the most expensive (average of $689). 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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Alternative routes for Key Largo to Argentina

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Key Largo to Argentina

Discover the top 9 airlines that operate flights from Key Largo to Argentina. 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
AviancaCheapest$170Average$783FlexibilityNo cancel feeOn-time71%
ArajetCheapest$284Average$806FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$354Average$822FlexibilityNo cancel feeOn-time70%
DeltaCheapest$439Average$1,056FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$566Average$941FlexibilityNo cancel feeOn-time81%
Aerolineas ArgentinasCheapest$612Average$973FlexibilityNo cancel feeOn-time59%
BoACheapest$671Average$805FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$751Average$1,153FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$765Average$928FlexibilityNo cancel feeOn-time69%

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