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$259+ Cheap flights from Miami (MIA) to Buenos Aires (BUE)

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BUE
Jul 5 — Jul 121
Sun 7/5
Sun 7/12
1 adult, Economy
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Cheapflights Tip: The best prices from Miami to Buenos Aires are usually found in September or October, booked 66 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Miami to Buenos Aires

Cheapest flights from Miami to Buenos Aires
Explore the most affordable flight options available from Miami to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 5, 2026.

This oojo deal was found by Cheapflights users on 6/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:20 pm
MIA
-
EZE
2 stops32h 40m
Sky Airline
Sat 10/315:00 am
EZE
-
MIA
1 stop13h 00m
Sky Airline
Deal found 6/1$629
This Gotogate deal was found by Cheapflights users on 5/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:20 pm
MIA
-
AEP
1 stop13h 10m
Sky Airline
Mon 6/811:55 am
AEP
-
MIA
2 stops30h 05m
Sky Airline
Deal found 5/31$629
This Booking.com deal was found by Cheapflights users on 5/31. 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 8/181:55 pm
MIA
-
EZE
1 stop12h 50m
Arajet
Wed 8/269:15 pm
EZE
-
MIA
1 stop16h 10m
Arajet
Deal found 5/31$630
This Ovago deal was found by Cheapflights users on 5/31. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:20 pm
MIA
-
AEP
2 stops15h 40m
Sky Airline
Tue 8/2511:55 am
AEP
-
MIA
2 stops30h 05m
Sky Airline
Deal found 5/31$630
This FlipMilhas deal was found by Cheapflights users on 5/31. 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 FlipMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:00 pm
MIA
-
EZE
1 stop33h 25m
GOL
Sun 6/71:35 am
EZE
-
MIA
1 stop11h 50m
GOL
Deal found 5/31$631
This Expedia deal was found by Cheapflights users on 5/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:18 pm
MIA
-
EZE
1 stop12h 27m
Arajet
Mon 9/79:15 pm
EZE
-
MIA
1 stop16h 10m
Arajet
Deal found 5/31$632
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Tue 6/161:55 pm
MIA
-
EZE
1 stop12h 05m
Arajet
Wed 6/244:00 am
EZE
-
MIA
1 stop12h 48m
Arajet
Deal found 6/2$633
This Mytrip deal was found by Cheapflights users on 6/1. 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.
Tue 8/251:55 pm
MIA
-
EZE
1 stop12h 05m
Multiple Airlines
Tue 9/88:35 am
EZE
-
MIA
3 stops33h 25m
Multiple Airlines
Deal found 6/1$634
This Kiwi.com deal was found by Cheapflights users on 6/1. 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.
Tue 8/181:55 pm
MIA
-
EZE
1 stop12h 50m
Multiple Airlines
Thu 9/35:00 am
EZE
-
MIA
1 stop13h 00m
Multiple Airlines
Deal found 6/1$635
This Booking.com deal was found by Cheapflights users on 5/31. 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 12/95:20 pm
MIA
-
AEP
1 stop13h 10m
Sky Airline
Mon 1/1811:55 am
AEP
-
MIA
2 stops30h 05m
Sky Airline
Deal found 5/31$635
This CheapOair deal was found by Cheapflights users on 5/31. 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.
Mon 10/262:09 pm
MIA
-
EZE
1 stop12h 14m
Multiple Airlines
Thu 11/55:00 am
EZE
-
MIA
1 stop13h 00m
Multiple Airlines
Deal found 5/31$636
This KAYAK deal was found by Cheapflights users on 6/2. 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 9/16:20 pm
MIA
-
EZE
2 stops32h 40m
Sky Airline
Tue 9/85:00 am
EZE
-
MIA
1 stop13h 00m
Sky Airline
Deal found 6/2$637

Find flight deals from Miami to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 5, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$629
(oojo)

One-way from

$259
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$835

Good round-trip deal

$752 or less

Good one-way deal

$377 or less
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 Miami to Buenos Aires (BUE)
Search Deals
One-way flight from Miami to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Miami to Buenos Aires (BUE).
Search Deals
Price to beat on a one-way flight from Miami to Buenos Aires (BUE).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Miami to Buenos Aires 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 June 5, 2026.
Use the filters below to find and compare flights from Miami to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

Sun 8/16

6:20 pm-8:30 am

1 stop13h 10m

Buenos Aires Jorge Newbery

Fri 8/21

11:55 am-5:00 pm

2 stops30h 05m

$678

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

Tue 6/16

6:20 pm-8:40 pm

2 stops25h 20m

Buenos Aires Jorge Newbery

Tue 6/23

11:55 am-5:00 pm

2 stops30h 05m

$696

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Thu 11/5

7:52 pm-3:23 am

1 stop29h 31m

Buenos Aires Ministro Pistarini

Mon 11/16

9:15 pm-11:25 am

1 stop16h 10m

$739
Quickest round-trip

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Sun 6/21

11:40 pm-9:40 am

Nonstop9h 00m

Buenos Aires Ministro Pistarini

Tue 7/7

1:10 pm-9:15 pm

Nonstop9h 05m

$753

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Mon 8/31

11:40 pm-9:40 am

Nonstop9h 00m

Buenos Aires Ministro Pistarini

Sun 9/6

2:30 am-5:25 pm

1 stop15h 55m

$753

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Sat 6/27

6:24 am-2:30 am

1 stop19h 06m

Buenos Aires Ministro Pistarini

Sun 7/5

3:48 am-2:39 pm

1 stop11h 51m

$756

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

Sat 11/7

2:40 pm-5:40 am

2 stops37h 00m

Buenos Aires Jorge Newbery

Tue 11/10

7:00 am-5:05 pm

1 stop12h 05m

$765

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Tue 7/7

11:40 pm-9:40 am

Nonstop9h 00m

Buenos Aires Ministro Pistarini

Wed 7/22

1:10 pm-9:15 pm

Nonstop9h 05m

$773

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Sun 6/21

2:00 pm-7:51 am

1 stop16h 51m

Buenos Aires Ministro Pistarini

Wed 7/1

8:59 am-10:29 pm

1 stop14h 30m

$796

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Sat 6/27

4:53 pm-8:00 am

1 stop14h 07m

Buenos Aires Ministro Pistarini

Sat 7/4

9:00 pm-8:33 pm

1 stop24h 33m

$808

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 43 resultsSorted by cheapest first
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Compare providers for flights from Miami to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Miami to Buenos Aires in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
GurufarePrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Miami-Buenos Aires flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Miami-Buenos Aires flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Miami-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Miami-Buenos Aires flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Miami-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Miami to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Miami 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 Miami to Buenos Aires

What is the cheapest month to book a flight from Miami to Buenos Aires?

Currently, November is the cheapest month in which you can book a flight from Miami to Buenos Aires (average of $752). Flying from Miami to Buenos Aires in July is currently the most expensive (average of $1,118). 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 MIA to BUE?

Find hourly flight availability from Miami to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 5, 2026.

A simple way to save on the total cost of your ticket is to fly from Miami to Buenos Aires in the morning. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight at noon.

Weekly flight availability from Miami to Buenos Aires

Explore weekly flight availability from Miami to Buenos Aires. 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 June 5, 2026.

The most flights from MIA to BUE are scheduled on a Friday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Miami to Buenos Aires?

What’s the top layover airport for flights from Miami to Buenos Aires?

Share of 1-stop round-trip flights from Miami to Buenos Aires chosen by Cheapflights users in the past 12 months, using the same layover each way.

Punta Cana (PUJ) – chosen by Cheapflights users on 67% of 1-stop itineraries from Miami to Buenos Aires on Cheapflights.

What’s the cheapest layover airport for flights from Miami to Buenos Aires?

Average round-trip fare for 1-stop flights from Miami to Buenos Aires, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Punta Cana (PUJ) is the most affordable 1-stop option, with an average round-trip price of $475.

What’s the fastest layover option from Miami to Buenos Aires?

Shortest average travel time for 1-stop one-way flights from Miami to Buenos Aires, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Bogotá (BOG) have the shortest average one-way travel time for 1-stop routes: 11h 45m.

Which airport typically offers the quickest layover for flights from Miami to Buenos Aires?

Average layover duration for 1-stop one-way flights from Miami to Buenos Aires, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Bogotá (BOG) offer the fastest connection on this route, with an average layover time of 1h 33m.

How often are flights from Miami to Buenos Aires delayed?

About 28% of weekly flights between Miami and Buenos Aires have experienced delays in the past year, with the average delay time being 161 minutes.

What is the most punctual flight time for Miami to Buenos Aires flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Miami to Buenos Aires flights?

Over the last year, Aerolineas Argentinas have had the lowest number of delays on this route, with just 20% of flights being delayed.

How far ahead should I book a flight from Miami to Buenos Aires?

The best time to book flights from Miami to Buenos Aires is 65 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

The best insider tips for Miami to Buenos Aires flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Miami to Buenos Aires trip
Our travel experts
Taryn White

Taryn White

Expert on EZE

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on MIA

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. 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 Buenos Aires. Reviews last updated June 5, 2026.
Read reviews from past customers who have flown Aerolineas Argentinas,Delta, andLATAM Airlines from Miami to Buenos Aires. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aerolineas Argentinas
8.1
Very good
1,047 reviews

Overall

8.1

Entertainment

5.8

Boarding

8.0

Comfort

7.6

Crew

8.4

Food

6.5

Reviews

1 / 7
10.0
Excellent

Joseph,Mar 2026

MIA - EZE

First time flying with them to Buenos Aires. No issues at all. Boarded on time, departed on time, smooth flight and attendants were great.
Aerolineas Argentinas
8.1
Very good
1,047 reviews
Aerolineas Argentinas
8.1
Very good
1,047 reviews

Overall

8.1

Entertainment

5.8

Boarding

8.0

Comfort

7.6

Crew

8.4

Food

6.5

Reviews

1 / 7
10.0
Excellent

Joseph,Mar 2026

MIA - EZE

First time flying with them to Buenos Aires. No issues at all. Boarded on time, departed on time, smooth flight and attendants were great.
Delta
7.9
Good
8,393 reviews
Aerolineas Argentinas
8.1
Very good
1,047 reviews

Overall

8.1

Entertainment

5.8

Boarding

8.0

Comfort

7.6

Crew

8.4

Food

6.5

Reviews

1 / 7
10.0
Excellent

Joseph,Mar 2026

MIA - EZE

First time flying with them to Buenos Aires. No issues at all. Boarded on time, departed on time, smooth flight and attendants were great.
LATAM Airlines
7.4
Good
1,918 reviews
Aerolineas Argentinas
8.1
Very good
1,047 reviews

Overall

8.1

Entertainment

5.8

Boarding

8.0

Comfort

7.6

Crew

8.4

Food

6.5

Reviews

1 / 7
10.0
Excellent

Joseph,Mar 2026

MIA - EZE

First time flying with them to Buenos Aires. No issues at all. Boarded on time, departed on time, smooth flight and attendants were great.
American Airlines
7.1
Good
11,645 reviews
Aerolineas Argentinas
8.1
Very good
1,047 reviews

Overall

8.1

Entertainment

5.8

Boarding

8.0

Comfort

7.6

Crew

8.4

Food

6.5

Reviews

1 / 7
10.0
Excellent

Joseph,Mar 2026

MIA - EZE

First time flying with them to Buenos Aires. No issues at all. Boarded on time, departed on time, smooth flight and attendants were great.
Avianca
6.5
Okay
2,531 reviews
Aerolineas Argentinas
8.1
Very good
1,047 reviews

Overall

8.1

Entertainment

5.8

Boarding

8.0

Comfort

7.6

Crew

8.4

Food

6.5

Reviews

1 / 7
10.0
Excellent

Joseph,Mar 2026

MIA - EZE

First time flying with them to Buenos Aires. No issues at all. Boarded on time, departed on time, smooth flight and attendants were great.

Related info for your journey

Find useful and relevant information for your journey from Miami to Buenos Aires. 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 Miami to Buenos Aires?

    Most people fly from Miami (MIA) if they book a flight from Miami to Buenos Aires. On average, Miami has 6 outbound flights to Buenos Aires per day from 9 airlines. Miami is conveniently located just 6.1 mi from Miami’s city center.

  • How long is the flight from Miami to Buenos Aires?

    For as low as $753, Sky Airline can have you in Buenos Aires from Miami in 9h. There are 4421 mi between Miami and Buenos Aires. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Miami to Buenos Aires round-trip?

    Flying on Arajet is currently your cheapest option to Buenos Aires, with prices starting at $300. Additional round-trip tickets that might be worth considering are offered by Copa Airlines and Avianca, with the lowest prices starting at $354 and $361, respectively. You may be able to fly from Miami to Buenos Aires for 63% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Miami to Buenos Aires one-way?

    For one-way options, check prices for Arajet. According to our data, you can fly for as low as $197. Users have also found prices from $204 and $209 on United Airlines and Delta, respectively.

  • What are the most popular routes from Miami to Buenos Aires?

    The most popular flight routes from Miami to Buenos Aires are Miami - Buenos Aires Ministro Pistarini, Miami - Buenos Aires Jorge Newbery and Miami - El Palomar.

  • What are the most reliable airlines from Miami to Buenos Aires?

    The top 3 most reliable airlines when flying from Miami to Buenos Aires are Aerolineas Argentinas (83%), EL AL (83%) and Delta (79%).

  • What are the cheapest flights from Miami to Buenos Aires?

    Looking at all options, your cheapest flight can be booked for $328. While the most popular route (Miami - Buenos Aires Ministro Pistarini) can be booked for $493 on average, our data indicates $1,381 when flying from Miami to Buenos Aires.

  • Where are the most common layover locations when flying from Miami to Buenos Aires?

    Of the flights from Miami to Buenos Aires that have layovers, most of them stop in Bogotá. Panama City follows Bogotá in terms of the most common layover location on Miami to Buenos Aires flights.

  • What are some popular things to do or see while on a layover in Bogotá?

    The majority of Bogotá visitors spend their time at Museo del Oro, Museo Botero, and Plaza de Bolívar. Those on a layover in Bogotá interested in visiting Museo del Oro, Museo Botero, or Plaza de Bolívar can do so by traveling 8.6 mi, 8.9 mi, and 8.7 mi, respectively from Bogotá El Dorado. Those looking to explore during their layover in Bogotá can rent a car from Bogotá El Dorado for about $62 per day.

  • Where are the least popular layover locations for Miami to Buenos Aires flights?

    Miami to Buenos Aires flights have a layover in Santiago least often.

  • Can I find deals for flights from Miami to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Miami to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Miami to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Miami to Buenos Aires.

  • Can I find deals for business class flights from Miami to Buenos Aires?

    Yes. Cheapflights offers flight deals from Miami to Buenos Aires 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 Miami to Buenos Aires?

    Currently, November is the cheapest month in which you can book a flight from Miami to Buenos Aires (average of $752). Flying from Miami to Buenos Aires in July is currently the most expensive (average of $1,118). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 9 airlines flying from Miami to Buenos Aires

Discover the top 9 airlines that operate flights from Miami to Buenos Aires. 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 June 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapest$300Average$672FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$354Average$815FlexibilityNo cancel feeOn-time70%
AviancaCheapest$361Average$777FlexibilityNo cancel feeOn-time71%
DeltaCheapest$503Average$957FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$558Average$879FlexibilityNo cancel feeOn-time81%
BoACheapest$586Average$986FlexibilityNo cancel feeOn-timeN/A
Aerolineas ArgentinasCheapest$683Average$829FlexibilityNo cancel feeOn-time59%
American AirlinesCheapest$747Average$961FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$765Average$855FlexibilityNo cancel feeOn-time69%

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