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Cheap flights from Miami to Buenos Aires from £175

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 11/9. 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 return flights

Logo
18:25 - 03:45MIA-EZE
32h 20m2 stops
Logo
01:40 - 12:30EZE-MIA
11h 50m1 stop
£514
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Sun, 28 Sep - Sat, 4 Oct
Arajet Logo
13:55 - 03:45MIA-EZE
12h 50m1 stop
Arajet Logo
21:15 - 12:25EZE-MIA
16h 10m1 stop
£516Arajet
Find Deal
Tue, 2 Sep - Wed, 1 Oct
Avianca Logo
08:15 - 01:25MIA-EZE
16h 10m1 stop
Avianca Logo
02:30 - 17:15EZE-MIA
15h 45m1 stop
£529Avianca
Find Deal
Fri, 26 Sep - Thu, 2 Oct
Avianca Logo
08:15 - 01:25MIA-EZE
16h 10m1 stop
Avianca Logo
02:30 - 17:15EZE-MIA
15h 45m1 stop
£531Avianca
Find Deal
Sun, 28 Sep - Sat, 4 Oct
Copa Airlines Logo
14:20 - 03:57MIA-EZE
12h 37m1 stop
Copa Airlines Logo
05:04 - 22:42EZE-MIA
18h 38m1 stop
£532Copa Airlines
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Sun, 28 Sep - Sun, 5 Oct
Copa Airlines Logo
06:27 - 22:08MIA-EZE
14h 41m1 stop
Copa Airlines Logo
14:32 - 01:42EZE-MIA
12h 10m1 stop
£555Copa Airlines
Find Deal
Sat, 11 Oct - Tue, 21 Oct
Delta Logo
01:20 - 05:55MIA-EZE
27h 35m1 stop
Delta Logo
03:55 - 15:15EZE-MIA
12h 20m1 stop
£619Delta
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Thu, 2 Oct - Sun, 5 Oct
Delta Logo
17:00 - 05:55MIA-EZE
11h 55m1 stop
Delta Logo
06:15 - 17:55EZE-MIA
12h 40m1 stop
£620Delta
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Mon, 22 Sep - Mon, 20 Oct
United Airlines Logo
11:56 - 09:20MIA-EZE
19h 24m1 stop
United Airlines Logo
23:55 - 19:55EZE-MIA
22h 00m1 stop
£631United Airlines
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Thu, 18 Dec - Mon, 5 Jan
United Airlines Logo
10:27 - 08:00MIA-EZE
20h 33m2 stops
United Airlines Logo
21:00 - 15:11EZE-MIA
19h 11m2 stops
£634United Airlines
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Thu, 4 Sep - Tue, 30 Sep

Avianca flights from Miami to Buenos Aires

Our best Avianca deals on Miami to Buenos Aires flight tickets
Avianca
26 Sept
MIA08:15Miami
16h 10m
1 stop
EZE01:25Buenos Aires Ministro Pistarini
2 Oct
EZE02:30Buenos Aires Ministro Pistarini
15h 45m
1 stop
MIA17:15Miami
£529
Find similar
Avianca
28 Sept
MIA08:15Miami
16h 10m
1 stop
EZE01:25Buenos Aires Ministro Pistarini
4 Oct
EZE02:30Buenos Aires Ministro Pistarini
15h 45m
1 stop
MIA17:15Miami
£531
Find similar
Avianca
1 Oct
MIA11:15Miami
11h 55m
1 stop
EZE00:10Buenos Aires Ministro Pistarini
8 Oct
EZE06:50Buenos Aires Ministro Pistarini
12h 05m
1 stop
MIA17:55Miami
£553
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United Airlines flights from Miami to Buenos Aires

Our best United Airlines deals on Miami to Buenos Aires flight tickets
United Airlines
18 Dec
MIA11:56Miami
19h 24m
1 stop
EZE09:20Buenos Aires Ministro Pistarini
5 Jan
EZE23:55Buenos Aires Ministro Pistarini
22h 00m
1 stop
MIA19:55Miami
£631
Find similar
United Airlines
27 Aug
MIA16:16Miami
38h 44m
2 stops
EZE08:00Buenos Aires Ministro Pistarini
3 Sept
EZE21:00Buenos Aires Ministro Pistarini
39h 20m
3 stops
MIA11:20Miami
£634
Find similar
United Airlines
18 Sept
MIA12:04Miami
18h 56m
1 stop
EZE08:00Buenos Aires Ministro Pistarini
5 Oct
EZE21:00Buenos Aires Ministro Pistarini
25h 13m
1 stop
MIA21:13Miami
£638
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momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 15 August 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 - EZE

MIAEZE

Miami

Sun 28/9

18:25-03:45

2 stops32h 20m

Buenos Aires Ministro Pistarini

Sat 4/10

01:40-12:30

1 stop11h 50m

£514

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Tue 2/9

13:55-03:45

1 stop12h 50m

Buenos Aires Ministro Pistarini

Wed 1/10

21:15-12:25

1 stop16h 10m

£516

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Fri 26/9

08:15-01:25

1 stop16h 10m

Buenos Aires Ministro Pistarini

Thu 2/10

02:30-17:15

1 stop15h 45m

£529

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Sun 28/9

08:15-01:25

1 stop16h 10m

Buenos Aires Ministro Pistarini

Sat 4/10

02:30-17:15

1 stop15h 45m

£531

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Sun 28/9

14:20-03:57

1 stop12h 37m

Buenos Aires Ministro Pistarini

Sun 5/10

05:04-22:42

1 stop18h 38m

£532

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Sat 11/10

06:27-22:08

1 stop14h 41m

Buenos Aires Ministro Pistarini

Tue 21/10

14:32-01:42

1 stop12h 10m

£555

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Thu 2/10

01:20-05:55

1 stop27h 35m

Buenos Aires Ministro Pistarini

Sun 5/10

03:55-15:15

1 stop12h 20m

£619

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Mon 22/9

17:00-05:55

1 stop11h 55m

Buenos Aires Ministro Pistarini

Mon 20/10

06:15-17:55

1 stop12h 40m

£620

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Thu 18/12

11:56-09:20

1 stop19h 24m

Buenos Aires Ministro Pistarini

Mon 5/1

23:55-19:55

1 stop22h 00m

£631

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Thu 4/9

10:27-08:00

2 stops20h 33m

Buenos Aires Ministro Pistarini

Tue 30/9

21:00-15:11

2 stops19h 11m

£634

Flights are sorted by cheapest return 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?

In general, October is the cheapest month to fly from Miami to Buenos Aires. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £562. If you don’t want to visit Buenos Aires in October, then you should wait until September to fly from Miami, when ticket prices are also cheap, with an average price of £577.

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

The cheapest day to depart on your flight to Buenos Aires is on a Saturday when prices can be found for as low as £687. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Miami because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,035.

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 £687. Flights to Buenos Aires are more costly in the afternoon, with an average ticket price of £1,127. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 £653 when searching weeks before you fly. 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 £625 on momondo.

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

There are 3 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.

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 return price

Cheap Miami to Buenos Aires (MIA to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Miami to Buenos Aires

Best price found

£175

Fastest flight time

9h 05m

Direct flights

Every day

Airports in Buenos Aires

1 airport
The best one-way flight to Buenos Aires from Miami in the past 72 hours is £175. The best return flight deal from Miami to Buenos Aires found on momondo in the last 72 hours is £514.
The fastest flight from Miami to Buenos Aires takes 9h 05m
Direct flights go from Miami to Buenos Aires every day.
There is 1 airport near Buenos Aires: Buenos Aires Ministro Pistarini (EZE)
Search flight deals

  • How far is Miami to Buenos Aires by plane?

    Buenos Aires is 4406.9 mi away from Miami. Typically, this will take 9h 05m 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 were last updated today.

  • 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 necessary travel and health documents for your Buenos Aires trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Why use momondo?

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

It is quick and easy to find Miami to Buenos Aires flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Buenos Aires that suits 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?

Price alerts on flights to Buenos Aires from Miami are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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