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Cheap flights from Miami to Buenos Aires from $157

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Miami to Buenos Aires departing on 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Miami to Buenos Aires (MIA-BUE)

Cheap round-trip flights

Logo
6:10 pm - 7:30 amMIA-AEP
12h 20m1 stop
Logo
4:50 am - 3:50 pmAEP-MIA
13h 00m1 stop
$561
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Fri, Oct 31 - Fri, Nov 7
Logo
9:45 am - 3:40 amMIA-AEP
16h 55m2 stops
Logo
1:50 pm - 8:20 amAEP-MIA
19h 30m2 stops
$564
Find Deal
Tue, Oct 7 - Mon, Oct 13
Logo
5:10 pm - 7:30 amMIA-AEP
12h 20m1 stop
Logo
4:50 am - 3:50 pmAEP-MIA
13h 00m1 stop
$565
Find Deal
Mon, Nov 3 - Sat, Nov 15
Logo
9:45 am - 1:00 pmMIA-AEP
26h 15m2 stops
Logo
9:50 am - 8:15 amAEP-MIA
23h 25m2 stops
$566
Find Deal
Thu, Aug 28 - Wed, Sep 3
Logo
5:10 pm - 7:30 amMIA-AEP
12h 20m1 stop
Logo
4:50 am - 3:50 pmAEP-MIA
13h 00m1 stop
$569
Find Deal
Fri, Nov 14 - Sat, Nov 22
LATAM Airlines Logo
10:40 pm - 11:57 amMIA-EZE
12h 17m1 stop
LATAM Airlines Logo
6:40 am - 5:55 pmEZE-MIA
12h 15m1 stop
$601LATAM Airlines
Find Deal
Fri, Aug 29 - Sun, Aug 31
LATAM Airlines Logo
8:15 pm - 12:00 pmMIA-AEP
14h 45m1 stop
LATAM Airlines Logo
10:35 am - 6:31 amAEP-MIA
20h 56m2 stops
$601LATAM Airlines
Find Deal
Fri, Aug 29 - Sun, Aug 31
LATAM Airlines Logo
7:46 pm - 5:00 pmMIA-AEP
20h 14m2 stops
LATAM Airlines Logo
10:35 am - 6:31 amAEP-MIA
20h 56m2 stops
$605LATAM Airlines
Find Deal
Fri, Sep 12 - Sun, Sep 14
LATAM Airlines Logo
1:40 am - 4:05 pmMIA-AEP
13h 25m1 stop
LATAM Airlines Logo
6:20 pm - 6:20 amAEP-MIA
13h 00m1 stop
$611LATAM Airlines
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Mon, Sep 15 - Tue, Sep 16
Arajet Logo
5:53 pm - 10:07 amMIA-EZE
14h 14m1 stop
Arajet Logo
9:15 pm - 11:25 amEZE-MIA
16h 10m1 stop
$646Arajet
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Mon, Nov 10 - Wed, Nov 19

LATAM Airlines flights from Miami to Buenos Aires

Our best LATAM Airlines deals on Miami to Buenos Aires flight tickets
LATAM Airlines
Aug 29
MIA10:40 pmMiami
12h 17m
1 stop
EZE11:57 amBuenos Aires Ministro Pistarini
Aug 31
EZE6:40 amBuenos Aires Ministro Pistarini
12h 15m
1 stop
MIA5:55 pmMiami
$601
Find similar
LATAM Airlines
Sep 12
MIA7:46 pmMiami
20h 14m
2 stops
AEP5:00 pmBuenos Aires Jorge Newbery
Sep 14
AEP10:35 amBuenos Aires Jorge Newbery
20h 56m
2 stops
MIA6:31 amMiami
$605
Find similar
LATAM Airlines
Sep 15
MIA1:40 amMiami
13h 25m
1 stop
AEP4:05 pmBuenos Aires Jorge Newbery
Sep 16
AEP6:20 pmBuenos Aires Jorge Newbery
13h 00m
1 stop
MIA6:20 amMiami
$611
Find similar

Avianca flights from Miami to Buenos Aires

Our best Avianca deals on Miami to Buenos Aires flight tickets
Avianca
Aug 19
MIA7:55 amMiami
15h 15m
1 stop
EZE12:10 amBuenos Aires Ministro Pistarini
Sep 4
EZE4:45 pmBuenos Aires Ministro Pistarini
12h 20m
1 stop
MIA4:05 amMiami
$713
Find similar
Avianca
Aug 21
MIA8:15 amMiami
16h 10m
1 stop
EZE1:25 amBuenos Aires Ministro Pistarini
Sep 2
EZE2:30 amBuenos Aires Ministro Pistarini
15h 45m
1 stop
MIA5:15 pmMiami
$715
Find similar
Avianca
Aug 23
MIA5:00 pmMiami
11h 45m
1 stop
EZE5:45 amBuenos Aires Ministro Pistarini
Feb 11
EZE7:35 amBuenos Aires Ministro Pistarini
11h 30m
1 stop
MIA5:05 pmMiami
$718
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 14, 2025.
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

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

Fri 10/31

6:10 pm-7:30 am

1 stop12h 20m

Buenos Aires Jorge Newbery

Fri 11/7

4:50 am-3:50 pm

1 stop13h 00m

$561

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

Tue 10/7

9:45 am-3:40 am

2 stops16h 55m

Buenos Aires Jorge Newbery

Mon 10/13

1:50 pm-8:20 am

2 stops19h 30m

$564

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

Mon 11/3

5:10 pm-7:30 am

1 stop12h 20m

Buenos Aires Jorge Newbery

Sat 11/15

4:50 am-3:50 pm

1 stop13h 00m

$565

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

Thu 8/28

9:45 am-1:00 pm

2 stops26h 15m

Buenos Aires Jorge Newbery

Wed 9/3

9:50 am-8:15 am

2 stops23h 25m

$566

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

Fri 11/14

5:10 pm-7:30 am

1 stop12h 20m

Buenos Aires Jorge Newbery

Sat 11/22

4:50 am-3:50 pm

1 stop13h 00m

$569

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Fri 8/29

10:40 pm-11:57 am

1 stop12h 17m

Buenos Aires Ministro Pistarini

Sun 8/31

6:40 am-5:55 pm

1 stop12h 15m

$601

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

Fri 8/29

8:15 pm-12:00 pm

1 stop14h 45m

Buenos Aires Jorge Newbery

Sun 8/31

10:35 am-6:31 am

2 stops20h 56m

$601

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

Fri 9/12

7:46 pm-5:00 pm

2 stops20h 14m

Buenos Aires Jorge Newbery

Sun 9/14

10:35 am-6:31 am

2 stops20h 56m

$605

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

Mon 9/15

1:40 am-4:05 pm

1 stop13h 25m

Buenos Aires Jorge Newbery

Tue 9/16

6:20 pm-6:20 am

1 stop13h 00m

$611

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Mon 11/10

5:53 pm-10:07 am

1 stop14h 14m

Buenos Aires Ministro Pistarini

Wed 11/19

9:15 pm-11:25 am

1 stop16h 10m

$646

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Miami to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Miami and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Miami is in October. Flight prices, which tend to average around $762, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Buenos Aires from Miami during September instead. Flights to Buenos Aires in September, while not as cheap as those in October, still average around $783.

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from Miami is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $889. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Sunday is $964.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the morning. Flights from Miami to Buenos Aires during this time can be as low as $874. Try not to purchase tickets in the evening because they tend to be around $1,021. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Miami to Buenos Aires flight route?

Fly from Miami to Buenos Aires Ministro Pistarini for the best Miami - Buenos Aires flight prices

How far in advance should I book a flight to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from Miami when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $885 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Miami for as low as $847 on momondo.

What cabin class options are available on Miami to Buenos Aires flights?

There are 4 cabin classes available to choose from on Miami to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Miami to Buenos Aires flights?

You could potentially save up to 17% on your flight if you consider stops on a Miami to Buenos Aires flight.

How have Miami to Buenos Aires flight prices changed over time?

As of August 2025, prices for Miami to Buenos Aires flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from Miami to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Miami to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

  • How far is Miami to Buenos Aires by plane?

    The straight-line distance from Miami to Buenos Aires is 4406.9 mi. Typically, this will take 11h 45m by plane in normal conditions.

  • When did momondo last update prices for flights from Miami Airport to Buenos Aires?

    Prices for flights from Miami Airport to Buenos Aires are updated daily.

  • How many operators does momondo search for flights from Miami Airport to Buenos Aires?

  • How old do you have to be to fly from Miami Airport to Buenos Aires?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Miami Airport to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Miami to Buenos Aires?

  • What is the most popular airline from Miami to Buenos Aires?

Best airlines flying from Miami to Buenos Aires

Compare and see reviews for airlines that fly from Miami to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $444Free CancellationRating
7.5
1,509 reviews
Search Copa Airlines flights
ArajetPriceFrom $448Free CancellationRating
6.9
33 reviews
Search Arajet flights
GOLPriceFrom $519Free CancellationRating
7.3
1,093 reviews
Search GOL flights
AviancaPriceFrom $535Free CancellationRating
6.7
2,401 reviews
Search Avianca flights
Aerolineas ArgentinasPriceFrom $663Free CancellationRating
8.1
913 reviews
Search Aerolineas Argentinas flights
LATAM AirlinesPriceFrom $663Free CancellationRating
7.5
1,840 reviews
Search LATAM Airlines flights
BoAPriceFrom $672Free CancellationRating
6.8
136 reviews
Search BoA flights
American AirlinesPriceFrom $809Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $853Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
DeltaPriceFrom $1,008Free CancellationRating
8.0
7,980 reviews
Search Delta flights

  • Aerolineas Argentinas Flights From Miami to Buenos Aires

    The lowest priced Aerolineas Argentinas flight from Miami to Buenos Aires from the last 72 hours was $663. Generally, Aerolineas Argentinas has 14 flights on this route every week with an average price of $864. Aerolineas Argentinas is rated 8.1/10 by our users.

  • Delta Flights From Miami to Buenos Aires

    Across 7,980 Delta reviews on momondo, the average score is 8.0/10. Delta flies from Miami to Buenos Aires about 14 times each week, with ticket deals ranging from $1,008 to $1,132. Price data is based on momondo searches in the last 72 hours.

Why use momondo?

Why should I use momondo to find a flight deal from Miami to Buenos Aires?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Miami to Buenos Aires for you.

Can I find flights from Miami to Buenos Aires with flexible booking policies on momondo?

All flight searches from Miami to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Miami to Buenos Aires?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from Miami.

I’m not ready to book a flight from Miami to Buenos Aires right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from Miami and alert you when they change.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport