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$323+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — BUE
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 55 days in advance, depart on a Monday or Sunday and return on a Wednesday

Cheap 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 December 4, 2025.

This Priceline deal was found by Cheapflights users on 12/3. 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.
Thu 12/41:50 pmMEX - EZE
1 stop13h 00mAvianca
Thu 12/117:30 amEZE - MEX
1 stop18h 25mAvianca
Deal found 12/3$669
This Avianca deal was found by Cheapflights users on 12/3. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:40 amMEX - EZE
1 stop12h 10mAvianca
Thu 1/294:55 pmEZE - MEX
1 stop13h 05mAvianca
Deal found 12/3$752
This Mytrip deal was found by Cheapflights users on 12/3. 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.
Mon 12/85:00 amMEX - EZE
1 stop21h 50mAvianca
Wed 12/171:40 amEZE - MEX
1 stop24h 15mAvianca
Deal found 12/3$804
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Thu 12/412:55 pmMEX - EZE
2 stops37h 15mMultiple Airlines
Thu 12/112:32 pmEZE - MEX
2 stops44h 03mMultiple Airlines
Deal found 12/3$809
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Wed 12/1012:55 pmMEX - EZE
2 stops36h 55mMultiple Airlines
Tue 12/236:40 amEZE - MEX
2 stops34h 50mMultiple Airlines
Deal found 12/3$816
This Aeromexico deal was found by Cheapflights users on 12/3. 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.
Wed 12/319:50 amMEX - EZE
Nonstop9h 05mAeromexico
Thu 1/2911:55 pmEZE - MEX
Nonstop9h 25mAeromexico
Deal found 12/3$819
This Kiwi.com deal was found by Cheapflights users on 12/4. 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.
Wed 12/109:55 pmMEX - AEP
1 stop27h 25mMultiple Airlines
Tue 12/2310:40 pmAEP - MEX
2 stops22h 30mMultiple Airlines
Deal found 12/4$829
This Aeromexico deal was found by Cheapflights users on 12/4. 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.
Wed 12/319:50 amMEX - EZE
Nonstop9h 05mAeromexico
Sun 1/1811:55 pmEZE - MEX
Nonstop9h 25mAeromexico
Deal found 12/4$856
This Priceline deal was found by Cheapflights users on 12/3. 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 12/319:55 pmMEX - EZE
Nonstop9h 05mMultiple Airlines
Thu 1/297:30 amEZE - MEX
1 stop13h 40mMultiple Airlines
Deal found 12/3$862
This LATAM Airlines deal was found by Cheapflights users on 12/3. 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 12/107:50 pmMEX - EZE
1 stop19h 53mLATAM Airlines
Tue 12/237:43 pmEZE - MEX
1 stop22h 07mLATAM Airlines
Deal found 12/3$884
This LATAM Airlines deal was found by Cheapflights users on 12/3. 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 12/107:50 pmMEX - AEP
1 stop20h 50mLATAM Airlines
Tue 12/2310:30 pmAEP - MEX
1 stop19h 20mLATAM Airlines
Deal found 12/3$884
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Thu 12/41:50 pmMEX - AEP
1 stop12h 50mMultiple Airlines
Thu 12/117:06 pmAEP - MEX
2 stops32h 09mMultiple Airlines
Deal found 12/3$919

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$622
(LATAM Airlines)

One-way from

$323
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$972

Good round-trip deal

$817 or less

Good one-way deal

$666 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. 8% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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

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 December 4, 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 3/3

7:50 pm-6:43 pm

1 stop19h 53m

Buenos Aires Ministro Pistarini

Tue 3/17

7:43 pm-2:50 pm

1 stop22h 07m

$622

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Mon 1/19

5:15 pm-9:40 am

1 stop13h 25m

Buenos Aires Jorge Newbery

Tue 1/27

9:05 pm-2:50 pm

1 stop20h 45m

$645

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Tue 1/13

12:40 am-9:20 pm

2 stops17h 40m

Buenos Aires Jorge Newbery

Thu 2/5

5:15 am-11:10 am

1 stop32h 55m

$647

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Mon 1/12

11:10 pm-6:40 pm

2 stops16h 30m

Buenos Aires Jorge Newbery

Thu 2/5

5:15 am-11:10 am

1 stop32h 55m

$652

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Tue 3/3

5:15 pm-11:45 am

1 stop15h 30m

Buenos Aires Jorge Newbery

Tue 3/17

10:30 pm-2:50 pm

1 stop19h 20m

$674

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Thu 3/12

12:40 am-3:50 pm

1 stop12h 10m

Buenos Aires Ministro Pistarini

Tue 3/17

4:55 pm-3:00 am

1 stop13h 05m

$676

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Sat 1/17

7:50 pm-7:40 pm

1 stop20h 50m

Buenos Aires Jorge Newbery

Fri 2/6

11:30 am-1:50 pm

2 stops29h 20m

$676

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Tue 3/3

12:55 pm-5:10 am

2 stops13h 15m

Buenos Aires Ministro Pistarini

Tue 3/17

7:30 am-6:10 pm

1 stop13h 40m

$684

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Thu 1/22

9:55 pm-4:20 am

1 stop27h 25m

Buenos Aires Jorge Newbery

Thu 1/29

5:45 am-11:10 am

2 stops32h 25m

$692

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Mon 1/12

4:00 pm-11:20 am

2 stops16h 20m

Buenos Aires Jorge Newbery

Tue 3/17

5:10 pm-11:00 am

1 stop20h 50m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 42 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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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?

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 November 28, 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 55 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, May is the cheapest month in which you can book a flight from Mexico City to Buenos Aires (average of $354). Flying from Mexico City to Buenos Aires in January is currently the most expensive (average of $648). 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 December 4, 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 in the afternoon, which can drop the price by up to 46% 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 December 16, 2024.

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

How often are flights from Mexico City to Buenos Aires delayed?

About 11% of weekly flights between Mexico City and Buenos Aires have experienced delays in the past year, with the average delay time being 167 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

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

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

Over the last year, Aeromexico have had the lowest number of delays on this route, with just 11% of flights being delayed.

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 December 4, 2025.
See what other customers who have flown with Copa Airlines, LATAM Airlines, and Aeromexico from Mexico City to Buenos Aires have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,554 reviews

Crew

8.1

Boarding

7.8

Food

6.9

Comfort

7.4

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring
Copa Airlines
7.6
Good
1,554 reviews
Copa Airlines
7.6
Good
1,554 reviews

Crew

8.1

Boarding

7.8

Food

6.9

Comfort

7.4

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring
LATAM Airlines
7.5
Good
1,890 reviews
Copa Airlines
7.6
Good
1,554 reviews

Crew

8.1

Boarding

7.8

Food

6.9

Comfort

7.4

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring
Aeromexico
7.5
Good
1,650 reviews
Copa Airlines
7.6
Good
1,554 reviews

Crew

8.1

Boarding

7.8

Food

6.9

Comfort

7.4

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring
Avianca
6.6
Okay
2,479 reviews
Copa Airlines
7.6
Good
1,554 reviews

Crew

8.1

Boarding

7.8

Food

6.9

Comfort

7.4

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring

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.

  • How long is the flight from Mexico City to Buenos Aires?

    LATAM Airlines and Avianca can get you from Mexico City to Buenos Aires in just under 12h 10m. Your travel time can differ by up to 7h 43m. The distance between Mexico City and Buenos Aires is about 4593 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $507, 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 Copa Airlines and LATAM Airlines - these airlines can fly you to your destination from $542 and $617, respectively. Avianca is currently priced 38% 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 $316. Users have also found prices from $350 and $381 on Copa Airlines and Aeromexico, respectively.

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

    On average you can expect to pay $1,265 for a flight from Mexico City to Buenos Aires. The cheapest flight overall is $349 while the most popular route, (Mexico City Benito Juarez - Buenos Aires Ministro Pistarini) is currently priced at $463.

  • 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, May is the cheapest month in which you can book a flight from Mexico City to Buenos Aires (average of $354). Flying from Mexico City to Buenos Aires in January is currently the most expensive (average of $648). 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

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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 Mendoza flights
Mexico City to Cordoba 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$507Average$785FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$617Average$688FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$671Average$959FlexibilityNo cancel feeOn-time70%
AeromexicoCheapest$737Average$1,030FlexibilityNo cancel feeOn-timeN/A

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