What are the cheapest airlines flying from Mexico City to Buenos Aires round-trip?

Currently priced at $664, Copa Airlines will fly you from Mexico City to Buenos Aires and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from LATAM Airlines and Avianca - these airlines can fly you to your destination from $673 and $677, respectively. Copa Airlines is currently priced 22% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Mexico City to Buenos Aires one-way?

For one-way options, check prices for Avianca. According to our data, you can fly for as low as $314. Users have also found prices from $420 and $520 on GOL and Copa Airlines, respectively.

What are the cheapest flights from Mexico City to Buenos Aires?

On average you can expect to pay $1,101 for a flight from Mexico City to Buenos Aires. The cheapest flight overall is $389 while the most popular route, (Mexico City Benito Juarez - Buenos Aires Ministro Pistarini) is currently priced at $654.

What are the most popular airlines that fly from Mexico City to Buenos Aires?

Consider Aeromexico, Avianca or Copa Airlines when booking your flight. These represent the most popular airlines when flying from Mexico City to Buenos Aires.

What is the cheapest day to fly round-trip from Mexico City to Buenos Aires?

Thursday flights are generally found to be more expensive for flights from Mexico City to Buenos Aires. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Buenos Aires.

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

Find a great deal and save up to 4% by booking at least 49 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Mexico City to Buenos Aires within the next two weeks, with the cheapest ticket starting at $807.

What is the cheapest month to fly from Mexico City to Buenos Aires?

September can be a great time to fly to Buenos Aires from Mexico City with a flight ticket averaging about $857. Cheapflights users have found deals in the month of September for as cheap as $494. The most expensive prices can be found in the month of December.

Most accurate provider : When it comes to deals on Mexico City-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Mexico City-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Mexico City-Buenos Aires flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Mexico City-Buenos Aires flights, Cheapflights users trust eDreams the most. eDreams 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 Mexico City-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Mexico City to Buenos Aires?

Located just 5.5 mi from the city center, Mexico City Benito Juarez is the airport most travelers will use when flying to Buenos Aires from Mexico City. Booking flights from Benito Juarez (MEX) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 4 different airlines.

Can I find deals for flights from Mexico City to Buenos Aires that include hotel bookings?

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

How can I find direct flights from Mexico City to Buenos Aires?

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

Can I find deals for business class flights from Mexico City to Buenos Aires?

Yes. Cheapflights offers flight deals from Mexico City 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.

$314+ Flights from Mexico City to Buenos Aires - Compare & Save Big

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Find cheap flights from Mexico City to Buenos Aires with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Mexico City Benito Juarez to Buenos Aires are usually found in September or May, booked 65 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Mexico City to Buenos Aires

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$664 (Copa Airlines)
One-way from	$314 (Priceline)
Popular in	December
Cheapest in	September
Average price	$774
Good round-trip deal	$663 or less
Good one-way deal	$474 or less

Provider with most accurate pricing for Mexico City Benito Juarez-Buenos Aires (BUE) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Mexico City Benito Juarez-Buenos Aires (BUE) flights.

Search Deals

From Mexico City Benito Juarez to Buenos Aires (BUE)

Search Deals

One-way flight from Mexico City Benito Juarez to Buenos Aires (BUE)

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($50 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Price to beat on a round-trip flight from Mexico City Benito Juarez to Buenos Aires (BUE).

Search Deals

Price to beat on a one-way flight from Mexico City Benito Juarez to Buenos Aires (BUE).

Search Deals

Find flight deals from Mexico City to Buenos Aires

Cheapest flights from Mexico City to Buenos Aires
Explore the most affordable flight options available from Mexico City to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Wed 5/285:50 amMEX - EZE

1 stop16h 08mCopa Airlines

Sun 6/12:32 pmEZE - MEX

1 stop13h 28mCopa Airlines

Deal found 4/30

$664

Fri 5/24:55 amMEX - EZE

1 stop16h 15mAvianca

Thu 5/152:30 amEZE - MEX

2 stops15h 55mAvianca

Deal found 4/30

$668

Sun 7/278:20 pmMEX - EZE

1 stop12h 38mLATAM Airlines

Sat 8/93:55 amEZE - MEX

1 stop12h 55mLATAM Airlines

Deal found 4/30

$673

Wed 6/255:20 pmMEX - AEP

1 stop17h 40mLATAM Airlines

Wed 7/238:10 pmAEP - MEX

1 stop20h 40mLATAM Airlines

Deal found 4/30

$673

Thu 10/92:00 pmMEX - AEP

1 stop12h 40mAvianca

Thu 10/237:00 amAEP - MEX

1 stop14h 05mAvianca

Deal found 4/30

$737

Fri 5/234:55 amMEX - AEP

1 stop21h 45mMultiple Airlines

Thu 5/293:40 amAEP - MEX

2 stops22h 20mMultiple Airlines

Deal found 4/29

$761

Thu 8/149:15 amMEX - EZE

Nonstop9h 10mAeromexico

Sun 8/3111:25 pmEZE - MEX

Nonstop9h 30mAeromexico

Deal found 4/30

$767

Wed 8/272:00 pmMEX - AEP

2 stops20h 00mGOL

Thu 9/43:40 amAEP - MEX

2 stops17h 25mGOL

Deal found 4/30

$915

Sat 12/271:00 amMEX - AEP

1 stop24h 05mAerolineas Argentinas

Wed 12/3112:45 pmAEP - MEX

1 stop19h 55mAerolineas Argentinas

Deal found 4/30

$1,599

Best flights from Mexico City to Buenos Aires
Discover carefully curated flight deals from Mexico City to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Wed 5/285:50 amMEX - EZE

1 stop16h 08mCopa Airlines

Sun 6/12:32 pmEZE - MEX

1 stop13h 28mCopa Airlines

Deal found 4/30

$664

Sun 7/278:20 pmMEX - EZE

1 stop18h 54mLATAM Airlines

Sun 8/107:13 pmEZE - MEX

1 stop22h 42mLATAM Airlines

Deal found 4/30

$673

Tue 5/2712:40 amMEX - EZE

1 stop20h 30mAvianca

Tue 6/31:40 amEZE - MEX

2 stops16h 45mAvianca

Deal found 4/30

$677

Fri 5/234:55 amMEX - AEP

1 stop21h 45mMultiple Airlines

Thu 5/293:40 amAEP - MEX

2 stops22h 20mMultiple Airlines

Deal found 4/29

$761

Thu 8/149:15 amMEX - EZE

Nonstop9h 10mAeromexico

Thu 8/2111:25 pmEZE - MEX

Nonstop9h 30mAeromexico

Deal found 4/30

$767

Wed 8/272:00 pmMEX - AEP

2 stops20h 00mGOL

Thu 9/43:40 amAEP - MEX

2 stops17h 25mGOL

Deal found 4/30

$915

Wed 6/255:20 pmMEX - AEP

1 stop17h 40mLATAM Airlines

Wed 7/238:10 pmAEP - MEX

1 stop20h 40mLATAM Airlines

Deal found 4/30

$673

Thu 10/92:00 pmMEX - AEP

1 stop12h 40mAvianca

Thu 10/237:00 amAEP - MEX

1 stop14h 05mAvianca

Deal found 4/30

$737

Tue 6/2412:15 amMEX - AEP

2 stops38h 05mAir Canada

Wed 8/61:40 pmAEP - MEX

2 stops24h 30mAir Canada

Deal found 4/30

$1,863

Last-minute flights from Mexico City to Buenos Aires
Discover last-minute flight deals from Mexico City to Buenos Aires. Data last updated May 1, 2025 and is based on user searches.

Thu 5/19:05 amMEX - AEP

1 stop16h 55mAerolineas Argentinas

Tue 5/1312:45 pmAEP - MEX

1 stop19h 00mAerolineas Argentinas

Deal found 4/29

$1,607

Fri 5/24:55 amMEX - EZE

1 stop16h 15mAvianca

Thu 5/152:30 amEZE - MEX

2 stops15h 55mAvianca

Deal found 4/30

$668

Fri 5/212:55 pmMEX - AEP

2 stops13h 45mAvianca

Thu 5/157:00 amAEP - MEX

1 stop14h 05mAvianca

Deal found 4/30

$845

Mon 5/52:00 pmMEX - AEP

2 stops16h 40mMultiple Airlines

Sun 5/117:20 pmAEP - MEX

3 stops23h 05mMultiple Airlines

Deal found 4/29

$936

Mon 5/52:00 pmMEX - AEP

2 stops20h 00mGOL

Sat 5/103:40 amAEP - MEX

2 stops26h 25mGOL

Deal found 4/29

$1,299

Tue 5/68:20 pmMEX - AEP

1 stop15h 20mLATAM Airlines

Thu 5/158:10 pmAEP - MEX

1 stop20h 40mLATAM Airlines

Deal found 4/29

$673

Tue 5/62:00 amMEX - EZE

1 stop19h 58mCopa Airlines

Wed 5/142:32 pmEZE - MEX

1 stop13h 28mCopa Airlines

Deal found 4/30

$718

Tue 5/62:00 pmMEX - EZE

1 stop12h 45mMultiple Airlines

Thu 5/1511:25 pmEZE - MEX

Nonstop9h 40mMultiple Airlines

Deal found 4/30

$1,780

Tue 5/65:00 amMEX - EZE

2 stops24h 55mAmerican Airlines

Thu 5/159:15 pmEZE - MEX

2 stops22h 00mAmerican Airlines

Deal found 4/30

$1,974

Tue 5/69:20 amMEX - EZE

Nonstop9h 05mAeromexico

Thu 5/1511:25 pmEZE - MEX

Nonstop9h 40mAeromexico

Deal found 4/30

$2,162

Tue 5/612:10 pmMEX - EZE

2 stops23h 20mAir Canada

Thu 5/154:35 pmEZE - MEX

3 stops33h 20mAir Canada

Deal found 4/30

$2,164

Thu 5/84:55 amMEX - EZE

1 stop16h 15mAvianca

Sun 5/112:30 amEZE - MEX

2 stops15h 55mAvianca

Deal found 4/30

$668

One-way flights from Mexico City to Buenos Aires
Search for one-way flight options from Mexico City to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Wed 7/25:00 amMEX - EZE

1 stop17h 25mAvianca

Deal found 4/30

$314

Mon 6/22:00 pmMEX - AEP

1 stop12h 40mAvianca

Deal found 4/30

$320

Sun 6/110:05 pmMEX - EZE

2 stops46h 22mMultiple Airlines

Deal found 4/29

$329

Tue 6/32:00 pmMEX - AEP

2 stops16h 40mMultiple Airlines

Deal found 4/30

$336

Sat 5/3111:20 pmMEX - AEP

2 stops34h 40mGOL

Deal found 4/28

$420

Thu 8/72:00 amMEX - EZE

1 stop19h 55mCopa Airlines

Deal found 4/30

$520

Fri 8/18:20 pmMEX - AEP

1 stop20h 20mLATAM Airlines

Deal found 4/30

$791

Thu 7/315:20 pmMEX - EZE

3 stops21h 52mLATAM Airlines

Deal found 4/30

$847

Fri 5/309:20 amMEX - EZE

Nonstop9h 05mAeromexico

Deal found 4/30

$905

Wed 5/2812:15 amMEX - AEP

2 stops38h 05mAir Canada

Deal found 4/28

$918

Tue 7/17:10 amMEX - EZE

3 stops28h 20mAir Canada

Deal found 4/30

$940

Sat 5/319:20 amMEX - EZE

Nonstop9h 05mAerolineas Argentinas

Deal found 4/30

$1,187

Cheapflights Fare Finder

Use the filters below to find and compare flights from Mexico City to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Wed 5/28

2:00 am-12:58 am

1 stop19h 58m

Buenos Aires Ministro Pistarini

Mon 6/2

10:05 am-10:00 pm

1 stop14h 55m

$664

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Sun 7/27

8:20 pm-11:58 am

1 stop12h 38m

Buenos Aires Ministro Pistarini

Sat 8/9

3:55 am-1:50 pm

1 stop12h 55m

$673

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Wed 6/25

5:20 pm-2:00 pm

1 stop17h 40m

Buenos Aires Jorge Newbery

Wed 7/23

8:10 pm-1:50 pm

1 stop20h 40m

$673

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Tue 5/27

12:40 am-12:10 am

1 stop20h 30m

Buenos Aires Ministro Pistarini

Tue 6/3

1:40 am-3:25 pm

2 stops16h 45m

$677

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Thu 10/9

2:00 pm-5:40 am

1 stop12h 40m

Buenos Aires Jorge Newbery

Thu 10/23

7:00 am-6:05 pm

1 stop14h 05m

$737

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Fri 5/23

4:55 am-5:40 am

1 stop21h 45m

Buenos Aires Jorge Newbery

Thu 5/29

3:40 am-11:00 pm

2 stops22h 20m

$761

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Thu 8/14

9:15 am-9:25 pm

Nonstop9h 10m

Buenos Aires Ministro Pistarini

Thu 8/21

11:25 pm-5:55 am

Nonstop9h 30m

$767

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Wed 8/27

2:00 pm-1:00 pm

2 stops20h 00m

Buenos Aires Jorge Newbery

Thu 9/4

3:40 am-6:05 pm

2 stops17h 25m

$915

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Tue 6/24

12:15 am-5:20 pm

2 stops38h 05m

Buenos Aires Jorge Newbery

Wed 8/6

1:40 pm-11:10 am

2 stops24h 30m

$1,863

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Wed 7/2

5:00 am-1:25 am

1 stop17h 25m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 21 results

Compare providers for flights from Mexico City to Buenos Aires

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Mexico City to Buenos Aires in May.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Flightnetwork	Price Accuracy-	Trust 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 Mexico City-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Mexico City-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Mexico City-Buenos Aires flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Mexico City-Buenos Aires flights, Cheapflights users trust eDreams the most. eDreams 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 Mexico City-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 Mexico City to Buenos Aires

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

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

To ensure you get the cheapest price possible for a flight from Mexico City to Buenos Aires, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, April is the cheapest month in which you can book a flight from Mexico City to Buenos Aires (average of $795). Flying from Mexico City to Buenos Aires 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 MEX to BUE?

When flying from Mexico City to Buenos Aires, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 14% versus a flight in the morning.

What is the cheapest day to fly from Mexico City to Buenos Aires?

Travelers seeking maximum savings on their Mexico City to Buenos Aires flight should consider departing on Sunday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Buenos Aires by month

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Buenos Aires

Peruse reviews from past customers who have flown with Aerolineas Argentinas, LATAM Airlines and Copa Airlines from Mexico City to Buenos Aires to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aerolineas Argentinas

8.1

Very good

860 reviews

Reviews

1 / 4

10.0

Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Aerolineas Argentinas

8.1

Very good

860 reviews

Aerolineas Argentinas

8.1

Very good

860 reviews

Reviews

1 / 4

10.0

Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

LATAM Airlines

7.5

Good

1,767 reviews

Aerolineas Argentinas

8.1

Very good

860 reviews

Reviews

1 / 4

10.0

Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Copa Airlines

7.5

Good

1,414 reviews

Aerolineas Argentinas

8.1

Very good

860 reviews

Reviews

1 / 4

10.0

Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Aeromexico

7.5

Good

1,698 reviews

Aerolineas Argentinas

8.1

Very good

860 reviews

Reviews

1 / 4

10.0

Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

GOL

7.3

Good

1,068 reviews

Aerolineas Argentinas

8.1

Very good

860 reviews

Reviews

1 / 4

10.0

Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Related info for your journey

What airport do you fly from for flights from Mexico City to Buenos Aires?
Located just 5.5 mi from the city center, Mexico City Benito Juarez is the airport most travelers will use when flying to Buenos Aires from Mexico City. Booking flights from Benito Juarez (MEX) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 4 different airlines.
What are the cheapest airlines flying from Mexico City to Buenos Aires round-trip?
Currently priced at $664, Copa Airlines will fly you from Mexico City to Buenos Aires and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from LATAM Airlines and Avianca - these airlines can fly you to your destination from $673 and $677, respectively. Copa Airlines is currently priced 22% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Mexico City to Buenos Aires one-way?
For one-way options, check prices for Avianca. According to our data, you can fly for as low as $314. Users have also found prices from $420 and $520 on GOL and Copa Airlines, respectively.
What are the cheapest flights from Mexico City to Buenos Aires?
On average you can expect to pay $1,101 for a flight from Mexico City to Buenos Aires. The cheapest flight overall is $389 while the most popular route, (Mexico City Benito Juarez - Buenos Aires Ministro Pistarini) is currently priced at $654.
Can I find deals for flights from Mexico City to Buenos Aires that include hotel bookings?
Yes. In addition to deals on Mexico City to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Mexico City to Buenos Aires?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mexico City to Buenos Aires.
Can I find deals for business class flights from Mexico City to Buenos Aires?
Yes. Cheapflights offers flight deals from Mexico City 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 Mexico City to Buenos Aires?
Currently, April is the cheapest month in which you can book a flight from Mexico City to Buenos Aires (average of $795). Flying from Mexico City to Buenos Aires 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

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Mexico City to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
Avianca	Cheapest$524	Average$887	FlexibilityNo cancel fee	On-time71%
LATAM Airlines	Cheapest$671	Average$810	FlexibilityNo cancel fee	On-time81%
Copa Airlines	Cheapest$718	Average$992	FlexibilityNo cancel fee	On-time70%
Aeromexico	Cheapest$769	Average$1,165	FlexibilityNo cancel fee	On-timeN/A

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$314+ Cheap flights from Mexico City (MEX) 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.

Find cheap flights from Mexico City to Buenos Aires with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Mexico City Benito Juarez to Buenos Aires are usually found in September or May, booked 65 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Mexico City to Buenos Aires

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Mexico City to Buenos Aires

Cheapest flights from Mexico City to Buenos AiresExplore the most affordable flight options available from Mexico City to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Mexico City to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Mexico City to Buenos Aires that are best for you.

Compare providers for flights from Mexico City 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 Mexico City to Buenos Aires in May.

Best time to book a flight from Mexico City to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Mexico City with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Mexico City to Buenos Aires

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

Use this chart to determine the optimal time to book a round-trip flight from Mexico City to Buenos Aires. Price data was last updated on April 25, 2025.

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

What is the cheapest time of day to fly from MEX to BUE?

Find hourly flight availability from Mexico City 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 May 1, 2025.

What is the cheapest day to fly from Mexico City to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from Mexico City to Buenos Aires. Price data was last updated on May 5, 2024.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

Reviews of airlines servicing Buenos Aires

Related info for your journey

Find useful and relevant information for your journey from Mexico City to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Alternative routes for Mexico City to Buenos Aires

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Top 4 airlines flying from Mexico City to Buenos Aires

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Cheapest flights from Mexico City to Buenos Aires
Explore the most affordable flight options available from Mexico City to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.