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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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — BUE
Mar 26 — Apr 21
Thu 3/26
Thu 4/2
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Mexico City Benito Juarez to Buenos Aires are usually found in September or November, booked 41 days in advance, depart on a Monday or Saturday and return on a Monday

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 February 24, 2026.

This Mytrip deal was found by Cheapflights users on 2/23. 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.
Fri 4/1011:20 pm
MEX
-
AEP
2 stops26h 00m
Multiple Airlines
Fri 4/178:05 pm
AEP
-
MEX
1 stop18h 05m
Multiple Airlines
Deal found 2/23$631
This LATAM Airlines deal was found by Cheapflights users on 2/23. 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.
Sun 9/63:10 pm
MEX
-
EZE
1 stop12h 00m
LATAM Airlines
Tue 9/157:35 am
EZE
-
MEX
2 stops18h 35m
LATAM Airlines
Deal found 2/23$637
This LATAM Airlines deal was found by Cheapflights users on 2/23. 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.
Sun 5/178:20 pm
MEX
-
AEP
1 stop15h 30m
LATAM Airlines
Thu 5/215:35 pm
AEP
-
MEX
1 stop23h 15m
LATAM Airlines
Deal found 2/23$637
This Mytrip deal was found by Cheapflights users on 2/23. 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.
Fri 4/1011:20 pm
MEX
-
EZE
1 stop13h 20m
Multiple Airlines
Fri 4/1711:55 am
EZE
-
MEX
2 stops26h 15m
Multiple Airlines
Deal found 2/23$648
This LATAM Airlines deal was found by Cheapflights users on 2/24. 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.
Fri 4/108:20 pm
MEX
-
EZE
1 stop12h 10m
LATAM Airlines
Thu 4/163:55 am
EZE
-
MEX
1 stop12h 55m
LATAM Airlines
Deal found 2/24$649
This LATAM Airlines deal was found by Cheapflights users on 2/23. 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.
Sun 3/225:25 pm
MEX
-
AEP
1 stop13h 15m
LATAM Airlines
Sun 3/295:05 pm
AEP
-
MEX
1 stop23h 45m
LATAM Airlines
Deal found 2/23$649
This Kiwi.com deal was found by Cheapflights users on 2/23. 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.
Tue 3/244:00 pm
MEX
-
AEP
1 stop12h 55m
LATAM Airlines
Tue 3/313:45 pm
AEP
-
MEX
2 stops25h 05m
LATAM Airlines
Deal found 2/23$658
This Kiwi.com deal was found by Cheapflights users on 2/23. 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.
Tue 3/171:10 pm
MEX
-
AEP
2 stops19h 10m
Multiple Airlines
Tue 3/245:20 am
AEP
-
MEX
1 stop32h 50m
Multiple Airlines
Deal found 2/23$677
This LATAM Airlines deal was found by Cheapflights users on 2/24. 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.
Sun 4/123:10 pm
MEX
-
EZE
2 stops24h 11m
LATAM Airlines
Sun 4/1911:55 am
EZE
-
MEX
2 stops28h 55m
LATAM Airlines
Deal found 2/24$679
This LATAM Airlines deal was found by Cheapflights users on 2/24. 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.
Sun 4/123:10 pm
MEX
-
AEP
2 stops25h 30m
LATAM Airlines
Sun 4/193:45 pm
AEP
-
MEX
2 stops25h 05m
LATAM Airlines
Deal found 2/24$679
This Avianca deal was found by Cheapflights users on 2/23. 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.
Mon 4/135:00 am
MEX
-
EZE
1 stop17h 20m
Avianca
Wed 4/224:50 pm
EZE
-
MEX
1 stop13h 15m
Avianca
Deal found 2/23$680
This Copa Airlines deal was found by Cheapflights users on 2/24. 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.
Tue 4/79:50 am
MEX
-
EZE
1 stop15h 40m
Copa Airlines
Fri 4/172:57 pm
EZE
-
MEX
1 stop12h 18m
Copa Airlines
Deal found 2/24$681

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 February 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$631
(Mytrip)

One-way from

$323
(Avianca)

Popular in

December

Cheapest in

September

Average price

$889

Good round-trip deal

$1,355 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. 3% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip 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 February 24, 2026.
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 - AEP

MEXAEP

Mexico City Benito Juarez

Fri 4/10

11:20 pm-4:20 am

2 stops26h 00m

Buenos Aires Jorge Newbery

Fri 4/17

8:05 pm-11:10 am

1 stop18h 05m

$631

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Mon 6/1

8:20 pm-2:50 pm

1 stop15h 30m

Buenos Aires Jorge Newbery

Fri 6/5

5:35 pm-1:50 pm

1 stop23h 15m

$637

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Tue 4/28

1:05 pm-7:40 am

2 stops15h 35m

Buenos Aires Jorge Newbery

Tue 5/5

3:45 pm-1:50 pm

2 stops25h 05m

$679

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Tue 7/7

2:10 am-10:01 pm

1 stop16h 51m

Buenos Aires Ministro Pistarini

Wed 7/15

2:49 pm-1:00 am

1 stop13h 11m

$681

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Thu 5/7

9:50 am-4:20 am

1 stop15h 30m

Buenos Aires Ministro Pistarini

Sat 5/30

5:25 am-1:00 am

1 stop22h 35m

$681

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Fri 4/10

11:20 pm-3:40 am

3 stops25h 20m

Buenos Aires Jorge Newbery

Mon 4/20

11:55 am-11:10 am

2 stops26h 15m

$681

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Tue 4/21

9:50 am-2:30 am

1 stop13h 40m

Buenos Aires Ministro Pistarini

Sun 4/26

9:11 am-12:15 am

1 stop18h 04m

$681

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Mon 4/13

12:55 pm-5:00 am

2 stops13h 05m

Buenos Aires Ministro Pistarini

Wed 4/22

4:50 pm-3:05 am

1 stop13h 15m

$688

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Tue 4/28

3:10 pm-6:10 am

1 stop12h 00m

Buenos Aires Ministro Pistarini

Mon 5/4

2:20 am-3:35 pm

1 stop16h 15m

$730

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Tue 4/14

5:20 pm-12:00 pm

1 stop15h 40m

Buenos Aires Jorge Newbery

Tue 4/21

8:05 pm-1:50 pm

1 stop20h 45m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 34 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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 February 20, 2026.

To ensure you get the cheapest price possible for a flight from Mexico City to Buenos Aires, you should look to book at least 41 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 $326). Flying from Mexico City to Buenos Aires in January is currently the most expensive (average of $631). 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 February 24, 2026.

When flying from Mexico City to Buenos Aires, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Mexico City to Buenos Aires?

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 153 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?

Wednesday tends to have the lowest number of delays on this route, whereas Thursday 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 February 24, 2026.
See what other customers who have flown with LATAM Airlines, Copa 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.
LATAM Airlines
7.5
Good
1,918 reviews

Food

6.7

Crew

8.0

Overall

7.5

Comfort

7.3

Boarding

7.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
LATAM Airlines
7.5
Good
1,918 reviews
LATAM Airlines
7.5
Good
1,918 reviews

Food

6.7

Crew

8.0

Overall

7.5

Comfort

7.3

Boarding

7.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
Copa Airlines
7.5
Good
1,556 reviews
LATAM Airlines
7.5
Good
1,918 reviews

Food

6.7

Crew

8.0

Overall

7.5

Comfort

7.3

Boarding

7.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
Aeromexico
7.4
Good
1,571 reviews
LATAM Airlines
7.5
Good
1,918 reviews

Food

6.7

Crew

8.0

Overall

7.5

Comfort

7.3

Boarding

7.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!
Avianca
6.6
Okay
2,497 reviews
LATAM Airlines
7.5
Good
1,918 reviews

Food

6.7

Crew

8.0

Overall

7.5

Comfort

7.3

Boarding

7.5

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

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 can get you from Mexico City to Buenos Aires in just under 15h 30m. Your travel time can differ by up to . The distance between Mexico City and Buenos Aires is about 4584 mi.

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

    Currently priced at $288, 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 $617 and $643, respectively. Copa Airlines is currently priced 64% 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 $1,406 for a flight from Mexico City to Buenos Aires. The cheapest flight overall is $1,219 while the most popular route, (Mexico City Benito Juarez - Buenos Aires Ministro Pistarini) is currently priced at $715.

  • 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 $326). Flying from Mexico City to Buenos Aires in January is currently the most expensive (average of $631). 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 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 February 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$288Average$718FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$617Average$673FlexibilityNo cancel feeOn-time81%
AviancaCheapest$643Average$889FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$648Average$1,022FlexibilityNo cancel feeOn-timeN/A

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