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$317+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — BUE
Apr 7 — Apr 141
Tue 4/7
Tue 4/14
1 adult, Economy
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Cheapflights Tip: The best prices from Mexico City Benito Juarez to Buenos Aires are usually found in May or June, 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 March 8, 2026.

This Mytrip deal was found by Cheapflights users on 3/6. 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 3/244:00 pm
MEX
-
AEP
2 stops15h 30m
LATAM Airlines
Wed 3/2512:40 pm
AEP
-
MEX
2 stops28h 10m
LATAM Airlines
Deal found 3/6$630
This LATAM Airlines deal was found by Cheapflights users on 3/8. 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 4/38:20 pm
MEX
-
EZE
1 stop19h 01m
LATAM Airlines
Mon 4/137:21 pm
EZE
-
MEX
1 stop22h 34m
LATAM Airlines
Deal found 3/8$643
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/218:20 pm
MEX
-
EZE
1 stop12h 10m
LATAM Airlines
Tue 4/287:21 pm
EZE
-
MEX
1 stop22h 34m
LATAM Airlines
Deal found 3/7$656
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/218:20 pm
MEX
-
AEP
1 stop15h 30m
LATAM Airlines
Tue 4/289:00 pm
AEP
-
MEX
1 stop20h 55m
LATAM Airlines
Deal found 3/7$656
This LATAM Airlines deal was found by Cheapflights users on 3/8. 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 4/38:20 pm
MEX
-
AEP
1 stop22h 10m
LATAM Airlines
Mon 4/1310:30 pm
AEP
-
MEX
1 stop19h 25m
LATAM Airlines
Deal found 3/8$668
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/185:00 am
MEX
-
EZE
1 stop16h 35m
Multiple Airlines
Wed 3/257:00 pm
EZE
-
MEX
2 stops19h 10m
Multiple Airlines
Deal found 3/6$669
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Mon 4/273:10 pm
MEX
-
EZE
1 stop12h 00m
LATAM Airlines
Sun 5/103:55 am
EZE
-
MEX
1 stop12h 55m
LATAM Airlines
Deal found 3/6$671
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/254:00 pm
MEX
-
AEP
2 stops26h 20m
Multiple Airlines
Sun 3/295:22 am
AEP
-
MEX
1 stop32h 48m
Multiple Airlines
Deal found 3/6$677
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Fri 4/108:20 pm
MEX
-
EZE
1 stop19h 01m
LATAM Airlines
Thu 4/163:55 am
EZE
-
MEX
1 stop12h 55m
LATAM Airlines
Deal found 3/5$682
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Fri 4/108:20 pm
MEX
-
AEP
1 stop15h 30m
LATAM Airlines
Fri 4/1710:30 pm
AEP
-
MEX
1 stop19h 25m
LATAM Airlines
Deal found 3/5$682
This FlightHub deal was found by Cheapflights users on 3/8. 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 4/148:20 pm
MEX
-
EZE
1 stop12h 10m
LATAM Airlines
Tue 4/217:21 pm
EZE
-
MEX
1 stop22h 34m
LATAM Airlines
Deal found 3/8$685
This FlightHub deal was found by Cheapflights users on 3/8. 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 4/143:10 pm
MEX
-
AEP
1 stop13h 30m
LATAM Airlines
Tue 4/215:05 pm
AEP
-
MEX
1 stop23h 45m
LATAM Airlines
Deal found 3/8$685

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 March 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$630
(Mytrip)

One-way from

$317
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$784

Good round-trip deal

$1,157 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. 4% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 8, 2026.
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

Cheapest round-trip

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Fri 4/10

8:20 pm-2:50 pm

1 stop15h 30m

Buenos Aires Jorge Newbery

Fri 4/17

10:30 pm-2:55 pm

1 stop19h 25m

$682

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Mon 4/13

3:10 pm-7:40 pm

2 stops25h 30m

Buenos Aires Jorge Newbery

Mon 4/20

8:05 pm-1:50 pm

1 stop20h 45m

$696

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Fri 5/1

8:20 pm-2:50 pm

1 stop15h 30m

Buenos Aires Jorge Newbery

Sun 5/31

10:30 pm-1:50 pm

2 stops18h 20m

$696

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Thu 7/30

3:10 pm-6:30 pm

1 stop24h 20m

Buenos Aires Jorge Newbery

Sat 8/15

8:05 pm-1:50 pm

1 stop20h 45m

$697

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Tue 4/28

3:10 pm-7:40 am

1 stop13h 30m

Buenos Aires Jorge Newbery

Tue 5/5

8:05 pm-1:50 pm

1 stop20h 45m

$730

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Thu 4/16

4:55 pm-10:30 pm

3 stops26h 35m

Buenos Aires Jorge Newbery

Thu 4/23

11:55 am-10:55 am

3 stops26h 00m

$734

Mexico CityBuenos Aires

MEX - AEP

MEXAEP

Mexico City Benito Juarez

Fri 4/10

4:55 pm-8:40 pm

3 stops24h 45m

Buenos Aires Jorge Newbery

Fri 4/17

9:30 pm-3:05 am

3 stops32h 35m

$758

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Tue 4/28

3:10 pm-6:21 pm

2 stops24h 11m

Buenos Aires Ministro Pistarini

Mon 5/4

3:55 am-1:50 pm

1 stop12h 55m

$787

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Wed 3/18

5:00 am-3:50 pm

2 stops31h 50m

Buenos Aires Ministro Pistarini

Sat 3/21

6:15 am-3:25 pm

2 stops36h 10m

$946

Mexico CityBuenos Aires

MEX - EZE

MEXEZE

Mexico City Benito Juarez

Sun 5/31

12:40 am-3:40 pm

1 stop12h 00m

Buenos Aires Ministro Pistarini

Fri 6/5

4:50 pm-3:05 am

1 stop13h 15m

$949

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 37 resultsSorted by cheapest first
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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*
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 March 6, 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 $321). 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 March 8, 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.

Weekly flight availability from Mexico City to Buenos Aires

Explore weekly flight availability from Mexico City to Buenos Aires. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 8, 2026.

The most flights from MEX to BUE are scheduled on a Wednesday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 151 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 March 8, 2026.
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
7.5
Good
1,567 reviews

Entertainment

6.8

Food

6.8

Comfort

7.4

Overall

7.5

Boarding

7.8

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.
Copa Airlines
7.5
Good
1,567 reviews
Copa Airlines
7.5
Good
1,567 reviews

Entertainment

6.8

Food

6.8

Comfort

7.4

Overall

7.5

Boarding

7.8

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.
LATAM Airlines
7.4
Good
1,917 reviews
Copa Airlines
7.5
Good
1,567 reviews

Entertainment

6.8

Food

6.8

Comfort

7.4

Overall

7.5

Boarding

7.8

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.
Aeromexico
7.4
Good
1,570 reviews
Copa Airlines
7.5
Good
1,567 reviews

Entertainment

6.8

Food

6.8

Comfort

7.4

Overall

7.5

Boarding

7.8

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.
Avianca
6.5
Okay
2,495 reviews
Copa Airlines
7.5
Good
1,567 reviews

Entertainment

6.8

Food

6.8

Comfort

7.4

Overall

7.5

Boarding

7.8

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.

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 are 2 daily outbound flights 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 19h 01m. Your travel time can differ by up to . The distance between Mexico City and Buenos Aires is about 4593 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 63% 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 $1,262 for a flight from Mexico City to Buenos Aires. The cheapest flight overall is $358 while the most popular route, (Mexico City Benito Juarez - Buenos Aires Ministro Pistarini) is currently priced at $515.

  • 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 $321). 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 March 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$288Average$718FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$617Average$668FlexibilityNo cancel feeOn-time81%
AviancaCheapest$643Average$866FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$648Average$1,022FlexibilityNo cancel feeOn-timeN/A

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