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$128+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — EZE
Okt 15 — Okt 221
Rab 10/15
Rab 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$529
(Kiwi.com)

One-way from

$128
(Copa Airlines)

Popular in

December

Cheapest in

October

Average price

$773
From Key Largo to Argentina
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One-way flight from Key Largo to Argentina
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Highest demand for flights based on searches. 8% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Jum 9/266:09 amMIA - MDZ
1 stop17h 00mCopa Airlines
Kam 10/91:25 amMDZ - MIA
1 stop22h 17mCopa Airlines
Deal found 9/14$529
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sel 11/188:45 pmMIA - MDZ
1 stop10h 35mLATAM Airlines
Jum 11/217:50 amMDZ - MIA
1 stop13h 35mLATAM Airlines
Deal found 9/13$575
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Kam 9/252:28 pmMIA - COR
1 stop12h 21mCopa Airlines
Min 10/195:38 amCOR - MIA
1 stop12h 21mCopa Airlines
Deal found 9/14$583
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rab 10/156:09 amMIA - TUC
1 stop17h 31mCopa Airlines
Sab 10/181:49 amTUC - MIA
1 stop11h 31mCopa Airlines
Deal found 9/14$583
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Kam 10/306:23 amMIA - MDZ
1 stop16h 51mCopa Airlines
Jum 11/71:17 amMDZ - MIA
1 stop12h 19mCopa Airlines
Deal found 9/14$589
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sel 10/75:15 pmMIA - MDZ
2 stops16h 25mMultiple Airlines
Sel 10/283:40 pmMDZ - MIA
2 stops17h 40mMultiple Airlines
Deal found 9/12$594
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sab 10/189:45 amMIA - MDZ
2 stops21h 15mMultiple Airlines
Sab 10/2510:10 amMDZ - MIA
1 stop33h 15mMultiple Airlines
Deal found 9/13$597
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sab 10/49:45 amMIA - MDZ
2 stops28h 05mMultiple Airlines
Min 10/129:00 pmMDZ - MIA
2 stops21h 05mMultiple Airlines
Deal found 9/13$599
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rab 11/192:55 pmMIA - MDZ
2 stops13h 45mMultiple Airlines
Sel 12/23:40 pmMDZ - MIA
2 stops17h 40mMultiple Airlines
Deal found 9/14$600
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Rab 9/246:27 amMIA - MDZ
1 stop16h 42mCopa Airlines
Rab 10/81:25 amMDZ - MIA
1 stop19h 30mCopa Airlines
Deal found 9/14$603
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Kam 9/259:45 amMIA - MDZ
3 stops34h 50mMultiple Airlines
Sen 10/63:40 pmMDZ - MIA
2 stops17h 40mMultiple Airlines
Deal found 9/13$606
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Min 9/286:25 pmMIA - MDZ
3 stops22h 10mMultiple Airlines
Sab 10/1110:10 amMDZ - MIA
1 stop21h 20mMultiple Airlines
Deal found 9/14$607

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 September 15, 2025.
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

MiamiCordoba

MIA - COR

MIACOR

Miami

Kam 9/25

2:28 pm-3:49 am

1 stop12h 21m

Cordoba Pajas Blancas

Min 10/19

5:38 am-4:59 pm

1 stop12h 21m

$583

MiamiSan Miguel de Tucumán

MIA - TUC

MIATUC

Miami

Rab 10/15

6:09 am-12:40 am

1 stop17h 31m

San Miguel de Tucumán Benj Matienzo

Sab 10/18

1:49 am-12:20 pm

1 stop11h 31m

$583

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Kam 10/30

6:23 am-12:14 am

1 stop16h 51m

Mendoza El Plumerillo

Jum 11/7

1:17 am-3:45 pm

1 stop16h 28m

$589

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Jum 10/17

6:09 am-12:09 am

1 stop17h 00m

Mendoza El Plumerillo

Sab 10/25

1:25 am-7:50 pm

1 stop19h 25m

$603

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Sen 10/6

1:40 am-7:00 pm

2 stops16h 20m

Mendoza El Plumerillo

Sel 10/28

3:40 pm-8:20 am

2 stops17h 40m

$606

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Rab 11/19

2:55 pm-6:40 am

2 stops13h 45m

Mendoza El Plumerillo

Min 11/23

7:55 pm-2:20 pm

2 stops20h 25m

$616

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Kam 9/25

12:24 pm-12:09 am

1 stop10h 45m

Mendoza El Plumerillo

Sab 9/27

1:18 am-7:55 pm

1 stop19h 37m

$623

MiamiCordoba

MIA - COR

MIACOR

Miami

Sen 9/29

11:15 am-6:10 am

1 stop17h 55m

Cordoba Pajas Blancas

Kam 10/23

7:35 am-5:55 pm

1 stop11h 20m

$632

MiamiCordoba

MIA - COR

MIACOR

Miami

Sab 10/18

6:09 am-2:53 am

1 stop19h 44m

Cordoba Pajas Blancas

Sel 11/11

5:37 am-9:45 pm

1 stop18h 08m

$633

MiamiMendoza

MIA - MDZ

MIAMDZ

Miami

Sab 10/4

5:00 pm-6:45 am

1 stop12h 45m

Mendoza El Plumerillo

Kam 10/9

7:55 am-8:35 pm

1 stop13h 40m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, April is the cheapest month in which you can book a flight from Key Largo to Argentina (average of $795). Flying from Key Largo to Argentina in December is currently the most expensive (average of $1,260). 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 September 15, 2025.

When flying from Key Largo to Argentina, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 15, 2025.

The most flights from KE9 to AR0 are scheduled on a Saturday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 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 September 15, 2025.
Peruse reviews from past customers who have flown with Aerolineas Argentinas, Copa Airlines, and LATAM 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
8.1
Very good
931 reviews

Crew

8.3

Overall

8.1

Food

6.5

Entertainment

5.7

Comfort

7.5

Boarding

8.0

Reviews

1 / 5
2.0
Mediocre

Paula,Aug 2025

EZE - MIA

I can not take the flight because Service dogs are not allowed. I m asking the refund of my flight. Please take care of my request # 00447290197500
Aerolineas Argentinas
8.1
Very good
931 reviews
Aerolineas Argentinas
8.1
Very good
931 reviews

Crew

8.3

Overall

8.1

Food

6.5

Entertainment

5.7

Comfort

7.5

Boarding

8.0

Reviews

1 / 5
2.0
Mediocre

Paula,Aug 2025

EZE - MIA

I can not take the flight because Service dogs are not allowed. I m asking the refund of my flight. Please take care of my request # 00447290197500
Copa Airlines
7.6
Good
1,531 reviews
Aerolineas Argentinas
8.1
Very good
931 reviews

Crew

8.3

Overall

8.1

Food

6.5

Entertainment

5.7

Comfort

7.5

Boarding

8.0

Reviews

1 / 5
2.0
Mediocre

Paula,Aug 2025

EZE - MIA

I can not take the flight because Service dogs are not allowed. I m asking the refund of my flight. Please take care of my request # 00447290197500
LATAM Airlines
7.5
Good
1,847 reviews
Aerolineas Argentinas
8.1
Very good
931 reviews

Crew

8.3

Overall

8.1

Food

6.5

Entertainment

5.7

Comfort

7.5

Boarding

8.0

Reviews

1 / 5
2.0
Mediocre

Paula,Aug 2025

EZE - MIA

I can not take the flight because Service dogs are not allowed. I m asking the refund of my flight. Please take care of my request # 00447290197500
American Airlines
7.2
Good
10,000 reviews
Aerolineas Argentinas
8.1
Very good
931 reviews

Crew

8.3

Overall

8.1

Food

6.5

Entertainment

5.7

Comfort

7.5

Boarding

8.0

Reviews

1 / 5
2.0
Mediocre

Paula,Aug 2025

EZE - MIA

I can not take the flight because Service dogs are not allowed. I m asking the refund of my flight. Please take care of my request # 00447290197500
Avianca
6.7
Okay
2,435 reviews
Aerolineas Argentinas
8.1
Very good
931 reviews

Crew

8.3

Overall

8.1

Food

6.5

Entertainment

5.7

Comfort

7.5

Boarding

8.0

Reviews

1 / 5
2.0
Mediocre

Paula,Aug 2025

EZE - MIA

I can not take the flight because Service dogs are not allowed. I m asking the refund of my flight. Please take care of my request # 00447290197500

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 11h 45m. Copa Airlines provides one of the quickest options available for as low as $707. Airlines will cover a distance of 4406 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?

    $128 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 Avianca and LATAM Airlines, with prices starting from $238 and $264, 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 - Mendoza El Plumerillo 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: Aerolineas Argentinas (70%), EL AL (70%), American Airlines (66%).

  • 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 $1,271, our data indicates the cheapest price to be $446. The most popular route (Miami - Buenos Aires Ministro Pistarini), is priced around $552.

  • 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, April is the cheapest month in which you can book a flight from Key Largo to Argentina (average of $795). Flying from Key Largo to Argentina in December is currently the most expensive (average of $1,260). 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 10 airlines flying from Key Largo to Argentina

Discover the top 10 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$284Average$770FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$407Average$865FlexibilityNo cancel feeOn-time70%
ArajetCheapest$448Average$728FlexibilityNo cancel feeOn-timeN/A
GOLCheapest$519Average$1,035FlexibilityNo cancel feeOn-time74%
LATAM AirlinesCheapest$624Average$928FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$627Average$987FlexibilityNo cancel feeOn-time69%
Aerolineas ArgentinasCheapest$664Average$957FlexibilityNo cancel feeOn-time59%
BoACheapest$672Average$818FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$721Average$1,112FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$819Average$1,291FlexibilityNo cancel feeOn-time71%

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