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$346+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — BUE
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Mexico City Benito Juarez to Buenos Aires are usually found in September or May, booked 90 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Mexico City to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Mexico City (MEX) 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$689
(Cheapflightsfares)

One-way from

$346
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$896

Good round-trip deal

$901 or less
Provider with most accurate pricing for Mexico City Benito Juarez-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Mexico City Benito Juarez-Buenos Aires (BUE) flights.
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From Mexico City Benito Juarez to Buenos Aires (BUE)
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One-way flight from Mexico City Benito Juarez to Buenos Aires (BUE)
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Highest demand for flights based on searches. 4% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Mexico City Benito Juarez to Buenos Aires (BUE).
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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 March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1312:55 pmMEX - EZE
2 stops13h 40mAvianca
Tue 6/246:50 amEZE - MEX
1 stop14h 15mAvianca
Deal found 3/27$689
This Orbitz deal was found by Cheapflights users on 3/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/173:10 pmMEX - AEP
1 stop21h 50mLATAM Airlines
Sat 4/1912:55 pmAEP - MEX
2 stops29h 00mLATAM Airlines
Deal found 3/27$692
This Copa Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 4/272:00 amMEX - EZE
1 stop17h 11mCopa Airlines
Tue 5/132:32 pmEZE - MEX
1 stop13h 28mCopa Airlines
Deal found 3/27$699
This LATAM Airlines deal was found by Cheapflights users on 3/27. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/258:20 pmMEX - EZE
1 stop18h 52mLATAM Airlines
Wed 8/67:13 pmEZE - MEX
1 stop22h 42mLATAM Airlines
Deal found 3/27$701
This Mytrip deal was found by Cheapflights users on 3/27. 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 5/1310:05 pmMEX - AEP
2 stops19h 35mMultiple Airlines
Tue 6/2410:20 amAEP - MEX
2 stops34h 25mMultiple Airlines
Deal found 3/27$742
This Mytrip deal was found by Cheapflights users on 3/27. 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 5/610:05 pmMEX - EZE
3 stops23h 36mMultiple Airlines
Wed 6/117:10 pmEZE - MEX
2 stops19h 10mMultiple Airlines
Deal found 3/27$762
This Aeromexico deal was found by Cheapflights users on 3/27. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/39:25 amMEX - EZE
Nonstop9h 00mAeromexico
Thu 4/1012:00 pmEZE - MEX
Nonstop9h 30mAeromexico
Deal found 3/27$779
This Priceline deal was found by Cheapflights users on 3/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/94:55 amMEX - AEP
1 stop21h 45mAvianca
Sat 4/127:00 amAEP - MEX
1 stop19h 00mAvianca
Deal found 3/27$788
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2211:20 pmMEX - AEP
2 stops34h 40mGOL
Sun 8/243:40 amAEP - MEX
2 stops22h 20mGOL
Deal found 3/27$1,038
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/112:25 amMEX - AEP
1 stop24h 40mAerolineas Argentinas
Tue 4/812:45 pmAEP - MEX
1 stop19h 00mAerolineas Argentinas
Deal found 3/27$1,360
This Aeromexico deal was found by Cheapflights users on 3/27. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/199:00 amMEX - AEP
1 stop17h 00mAeromexico
Wed 8/275:10 pmAEP - MEX
1 stop15h 15mAeromexico
Deal found 3/27$1,915
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2412:15 amMEX - AEP
2 stops38h 05mAir Canada
Wed 8/61:40 pmAEP - MEX
2 stops24h 30mAir Canada
Deal found 3/27$2,027

Cheapflights Fare Finder

Customize your flight search to find flights from Mexico City 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 March 28, 2025.
Use the filters below to find and compare flights from Mexico City to Buenos Aires that are best for you.

Fly from

Mexico City

Fly to

Buenos Aires

Route

Depart

Return

Price

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Tue 5/13

12:55 pm-5:35 am

2 stops13h 40m

Buenos Aires Ministro Pistarini

Tue 6/24

6:50 am-6:05 pm

1 stop14h 15m

$689

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Thu 4/17

3:10 pm-4:00 pm

1 stop21h 50m

Buenos Aires Jorge Newbery

Sat 4/19

12:55 pm-2:55 pm

2 stops29h 00m

$692

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Sun 4/27

2:00 am-10:11 pm

1 stop17h 11m

Buenos Aires Ministro Pistarini

Tue 5/13

2:32 pm-1:00 am

1 stop13h 28m

$699

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Wed 6/25

8:20 pm-6:12 pm

1 stop18h 52m

Buenos Aires Ministro Pistarini

Wed 8/6

7:13 pm-2:55 pm

1 stop22h 42m

$701

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Tue 5/13

10:05 pm-8:40 pm

2 stops19h 35m

Buenos Aires Jorge Newbery

Tue 6/24

10:20 am-5:45 pm

2 stops34h 25m

$742

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Tue 5/6

10:05 pm-12:41 am

3 stops23h 36m

Buenos Aires Ministro Pistarini

Wed 6/11

7:10 pm-11:20 am

2 stops19h 10m

$762

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Wed 4/9

4:55 am-5:40 am

1 stop21h 45m

Buenos Aires Jorge Newbery

Sat 4/12

7:00 am-11:00 pm

1 stop19h 00m

$788

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Mon 4/7

9:25 am-9:25 pm

Nonstop9h 00m

Buenos Aires Ministro Pistarini

Mon 4/14

12:00 pm-6:30 pm

Nonstop9h 30m

$820

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Tue 7/22

11:20 pm-1:00 pm

2 stops34h 40m

Buenos Aires Jorge Newbery

Sun 8/24

3:40 am-11:00 pm

2 stops22h 20m

$1,038

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Sat 8/30

12:25 am-4:05 am

1 stop24h 40m

Buenos Aires Jorge Newbery

Tue 9/9

12:45 pm-5:05 am

1 stop19h 20m

$1,360

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 25 results
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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 March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Mexico City-Buenos Aires flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

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 March 21, 2025.

To ensure you get the cheapest price possible for a flight from Mexico City to Buenos Aires, you should look to book at least 90 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?

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 March 28, 2025.

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 13% versus a flight in the morning.

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.

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

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

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

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 March 28, 2025.
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
8.0
Very good
844 reviews

Boarding

8.0

Food

6.4

Crew

8.3

Entertainment

5.7

Comfort

7.5

Overall

8.0

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
8.0
Very good
844 reviews
Aerolineas Argentinas
8.0
Very good
844 reviews

Boarding

8.0

Food

6.4

Crew

8.3

Entertainment

5.7

Comfort

7.5

Overall

8.0

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
1,750 reviews
Aerolineas Argentinas
8.0
Very good
844 reviews

Boarding

8.0

Food

6.4

Crew

8.3

Entertainment

5.7

Comfort

7.5

Overall

8.0

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
1,395 reviews
Aerolineas Argentinas
8.0
Very good
844 reviews

Boarding

8.0

Food

6.4

Crew

8.3

Entertainment

5.7

Comfort

7.5

Overall

8.0

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
1,701 reviews
Aerolineas Argentinas
8.0
Very good
844 reviews

Boarding

8.0

Food

6.4

Crew

8.3

Entertainment

5.7

Comfort

7.5

Overall

8.0

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
1,052 reviews
Aerolineas Argentinas
8.0
Very good
844 reviews

Boarding

8.0

Food

6.4

Crew

8.3

Entertainment

5.7

Comfort

7.5

Overall

8.0

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

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.

  • 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 is 1 daily outbound flight to Buenos Aires from 4 different airlines.

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

    Currently priced at $689, Avianca will fly you from Mexico City to Buenos Aires and back. In addition to Avianca, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from LATAM Airlines and Copa Airlines - these airlines can fly you to your destination from $692 and $699, respectively. Avianca is currently priced 20% 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 $349. Users have also found prices from $349 and $351 on LATAM Airlines and Copa Airlines, respectively.

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

    On average you can expect to pay $1,575 for a flight from Mexico City to Buenos Aires. The cheapest flight overall is $397 while the most popular route, (Mexico City Benito Juarez - Buenos Aires Ministro Pistarini) is currently priced at $709.

  • 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

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Alternative routes for Mexico City to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Mexico City to Ministro Pistarini flights
Mexico City to Jorge Newbery flights
Mexico City to Cordoba flights
Mexico City to Mendoza flights

Top 4 airlines flying from Mexico City to Buenos Aires

Discover the top 4 airlines that operate flights from Mexico City 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$524Average$879FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$597Average$1,021FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$671Average$872FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$768Average$992FlexibilityNo cancel feeOn-time70%
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