$297+ Cheap flights from Mexico City (MEX) to Buenos Aires (BUE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — BUE
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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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 November or September, booked 88 days in advance, depart on a Wednesday or Monday and return on a Wednesday
Cheap flight deals from Mexico City to Buenos Aires
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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 September 17, 2026.
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 September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/71:10 pm -
1 stop12h 26m
Thu 10/152:49 pm -
1 stop12h 26m
Deal found 9/15![Copa Airlines logo]()
$596
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/291:20 am -
1 stop20h 31m
Tue 10/63:48 am -
1 stop24h 12m
Deal found 9/15![Copa Airlines logo]()
$597
This LATAM Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 12/17:50 pm -
1 stop11h 50m
Tue 12/157:35 pm -
1 stop22h 40m
Deal found 9/14![LATAM Airlines logo]()
$598
This LATAM Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 11/244:00 pm -
1 stop21h 00m
Wed 3/38:05 pm -
2 stops26h 20m
Deal found 9/14![LATAM Airlines logo]()
$598
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/291:20 am -
1 stop20h 31m
Fri 10/94:15 am -
1 stop23h 45m
Deal found 9/14![Copa Airlines logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/69:50 am -
1 stop15h 46m
Tue 10/138:59 am -
1 stop19h 01m
Deal found 9/13![Copa Airlines logo]()
$604
This LATAM Airlines deal was found by Cheapflights users on 9/17. 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.
Tue 12/17:50 pm -
1 stop11h 50m
Mon 12/74:00 am -
1 stop12h 50m
Deal found 9/17![LATAM Airlines logo]()
$608
This LATAM Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 12/14:00 pm -
1 stop13h 30m
Tue 12/810:30 pm -
1 stop19h 45m
Deal found 9/16![LATAM Airlines logo]()
$608
This LATAM Airlines deal was found by Cheapflights users on 9/16. 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 11/257:50 pm -
1 stop11h 50m
Tue 12/14:00 am -
1 stop12h 50m
Deal found 9/16![LATAM Airlines logo]()
$609
This LATAM Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/217:50 pm -
1 stop11h 50m
Sat 12/57:35 pm -
1 stop22h 40m
Deal found 9/16![LATAM Airlines logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/71:10 pm -
1 stop12h 26m
Tue 10/133:48 am -
1 stop18h 17m
Deal found 9/17![Copa Airlines logo]()
$615
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/282:10 am -
1 stop19h 41m
Tue 10/62:49 pm -
1 stop13h 11m
Deal found 9/13![Copa Airlines logo]()
$618
Best flights from Mexico City to Buenos AiresDiscover 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 September 17, 2026.
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 September 17, 2026.
This Copa Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/261:20 am -
1 stop20h 51m
Tue 11/31:18 pm -
2 stops14h 42m
Deal found 9/16![Copa Airlines logo]()
$668
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Wed 10/281:50 pm -
2 stops35h 30m
Wed 11/45:30 am -
2 stops24h 40m
Deal found 9/13![Multiple Airlines logo]()
$751
This LATAM Airlines deal was found by Cheapflights users on 9/14. 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 11/254:00 pm -
2 stops26h 30m
Thu 12/109:25 am -
2 stops32h 35m
Deal found 9/14![LATAM Airlines logo]()
$759
This Copa Airlines deal was found by Cheapflights users on 9/16. 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 11/293:25 am -
1 stop20h 45m
Mon 12/142:45 pm -
1 stop12h 30m
Deal found 9/16![Copa Airlines logo]()
$668
This Copa Airlines deal was found by Cheapflights users on 9/15. 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 10/271:20 am -
1 stop20h 51m
Tue 11/32:21 am -
2 stops15h 09m
Deal found 9/15![Copa Airlines logo]()
$668
This LATAM Airlines deal was found by Cheapflights users on 9/12. 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 12/115:00 pm -
2 stops25h 30m
Sun 12/209:25 am -
2 stops31h 25m
Deal found 9/12![LATAM Airlines logo]()
$804
This Copa Airlines deal was found by Cheapflights users on 9/12. 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 9/291:20 am -
1 stop24h 01m
Thu 12/109:10 am -
1 stop15h 55m
Deal found 9/12![Copa Airlines logo]()
$668
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:50 pm -
1 stop20h 50m
Fri 11/69:25 am -
1 stop32h 50m
Deal found 9/15![LATAM Airlines logo]()
$813
This Copa Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 10/82:10 am -
1 stop23h 26m
Fri 10/168:59 am -
1 stop19h 01m
Deal found 9/13![Copa Airlines logo]()
$689
This Mytrip deal was found by Cheapflights users on 9/12. 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.
Wed 11/115:05 am -
3 stops21h 00m
Wed 11/185:30 am -
3 stops24h 40m
Deal found 9/12![Multiple Airlines logo]()
$971
This Copa Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 10/313:25 am -
1 stop18h 46m
Sat 11/71:17 am -
2 stops23h 48m
Deal found 9/16![Copa Airlines logo]()
$689
This LATAM Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 11/125:15 pm -
1 stop23h 45m
Tue 11/179:00 pm -
1 stop21h 15m
Deal found 9/14![LATAM Airlines logo]()
$874
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Wed 10/144:55 pm -
3 stops24h 45m
Wed 10/2111:55 am -
3 stops26h 00m
Deal found 9/16![Multiple Airlines logo]()
$1,018
This Copa Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/75:50 am -
1 stop19h 46m
Mon 10/123:48 am -
1 stop24h 12m
Deal found 9/15![Copa Airlines logo]()
$783
This Mytrip deal was found by Cheapflights users on 9/15. 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 11/1011:05 am -
3 stops19h 13m
Tue 11/1711:50 am -
1 stop20h 20m
Deal found 9/15![Multiple Airlines logo]()
$1,047
This FlightHub deal was found by Cheapflights users on 9/13. 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.
Wed 12/167:50 pm -
1 stop15h 50m
Wed 12/233:50 pm -
1 stop26h 25m
Deal found 9/13![LATAM Airlines logo]()
$977
This Copa Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 10/72:10 am -
1 stop21h 20m
Tue 10/202:49 pm -
1 stop13h 11m
Deal found 9/12![Copa Airlines logo]()
$801
This LATAM Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 9/293:10 pm -
1 stop14h 20m
Mon 10/198:05 pm -
1 stop20h 45m
Deal found 9/13![LATAM Airlines logo]()
$1,024
Last-minute flights from Mexico City to Buenos AiresDiscover last-minute flight deals from Mexico City to Buenos Aires. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Mexico City to Buenos Aires. Data last updated September 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/282:10 am -
1 stop19h 41m
Tue 10/62:49 pm -
1 stop13h 11m
Deal found 9/13![Copa Airlines logo]()
$618
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/291:20 am -
1 stop20h 31m
Tue 10/63:48 am -
1 stop24h 12m
Deal found 9/15![Copa Airlines logo]()
$597
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/291:20 am -
1 stop20h 31m
Fri 10/94:15 am -
1 stop23h 45m
Deal found 9/14![Copa Airlines logo]()
$602
This LATAM Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 9/298:05 pm -
1 stop12h 25m
Tue 10/64:45 pm -
1 stop25h 10m
Deal found 9/15![LATAM Airlines logo]()
$608
This LATAM Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 9/298:05 pm -
1 stop12h 25m
Wed 10/73:55 am -
1 stop12h 55m
Deal found 9/15![LATAM Airlines logo]()
$609
This OneTravel deal was found by Cheapflights users on 9/15. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:05 pm -
1 stop15h 45m
Tue 10/69:00 pm -
1 stop21h 45m
Deal found 9/15![LATAM Airlines logo]()
$674
This LATAM Airlines deal was found by Cheapflights users on 9/13. 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 9/308:05 pm -
1 stop20h 35m
Thu 12/103:50 pm -
2 stops26h 10m
Deal found 9/13![LATAM Airlines logo]()
$666
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/69:50 am -
1 stop15h 46m
Tue 10/138:59 am -
1 stop19h 01m
Deal found 9/13![Copa Airlines logo]()
$604
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/71:10 pm -
1 stop12h 26m
Thu 10/152:49 pm -
1 stop12h 26m
Deal found 9/15![Copa Airlines logo]()
$596
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/71:10 pm -
1 stop12h 26m
Tue 10/133:48 am -
1 stop18h 17m
Deal found 9/17![Copa Airlines logo]()
$615
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/72:10 am -
1 stop23h 26m
Thu 10/152:49 pm -
1 stop12h 26m
Deal found 9/14![Copa Airlines logo]()
$622
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/72:10 am -
1 stop23h 11m
Wed 10/212:49 pm -
1 stop12h 26m
Deal found 9/12![Copa Airlines logo]()
$624
One-way flights from Mexico City to Buenos AiresSearch for one-way flight options from Mexico City to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Mexico City to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 12/37:55 pm -
2 stops34h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 9/278:00 pm -
2 stops33h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/296:05 am -
3 stops35h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Sat 9/2610:00 pm -
3 stops43h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/296:05 am -
2 stops18h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/38:45 pm -
2 stops29h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/25:45 pm -
2 stops31h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/305:45 pm -
2 stops30h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/18:45 pm -
2 stops33h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 9/276:45 am -
3 stops24h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sat 11/77:55 pm -
3 stops46h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/2210:10 pm -
3 stops41h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$403
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $590 (LATAM Airlines) |
One-way from | $297 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $725 |
Good round-trip deal | $542 or less |
Good one-way deal | $640 or less |
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 7,457,451 searches. Data last updated September 17, 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
Cheapest round-trip
Mexico CityBuenos Aires
MEX Mexico City Benito Juarez - AEP Buenos Aires Jorge Newbery
MEXAEP
Mexico City Benito Juarez
Sun 9/27
6:45 am-10:15 am
3 stops24h 30m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$407
Mexico CityBuenos Aires
MEX Mexico City Benito Juarez - AEP Buenos Aires Jorge Newbery
MEXAEP
Mexico City Benito Juarez
Mon 11/23
10:00 pm-4:20 am
1 stop27h 20m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$426
Mexico CityBuenos Aires
MEX Mexico City Benito Juarez - AEP Buenos Aires Jorge Newbery
MEXAEP
Mexico City Benito Juarez
Mon 9/21
8:45 pm-8:30 am
2 stops32h 45m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$551
Mexico CityBuenos Aires
MEX Mexico City Benito Juarez - AEP Buenos Aires Jorge Newbery
MEXAEP
Mexico City Benito Juarez
Tue 12/8
5:15 pm-9:40 am
1 stop13h 25m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$609
Mexico CityBuenos Aires
MEX Mexico City Benito Juarez - AEP Buenos Aires Jorge Newbery
MEXAEP
Mexico City Benito Juarez
Sun 12/13
10:00 pm-9:30 pm
2 stops20h 30m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$617
Mexico CityBuenos Aires
MEX Mexico City Benito Juarez - EZE Buenos Aires Ministro Pistarini
MEXEZE
Mexico City Benito Juarez
Mon 9/21
1:10 pm-4:36 am
1 stop12h 26m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$631
Mexico CityBuenos Aires
MEX Mexico City Benito Juarez - EZE Buenos Aires Ministro Pistarini
MEXEZE
Mexico City Benito Juarez
Thu 10/15
5:50 am-4:36 am
1 stop19h 46m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$631
Mexico CityBuenos Aires
MEX Mexico City Benito Juarez - EZE Buenos Aires Ministro Pistarini
MEXEZE
Mexico City Benito Juarez
Thu 11/19
3:25 am-2:10 am
1 stop19h 45m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$631
Mexico CityBuenos Aires
MEX Mexico City Benito Juarez - EZE Buenos Aires Ministro Pistarini
MEXEZE
Mexico City Benito Juarez
Tue 9/29
1:20 am-4:36 am
1 stop24h 16m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$631
Mexico CityBuenos Aires
MEX Mexico City Benito Juarez - EZE Buenos Aires Ministro Pistarini
MEXEZE
Mexico City Benito Juarez
Sun 10/25
1:20 am-3:16 am
1 stop22h 56m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$631
Showing 1-10 of 35 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
MEX-BUE
MEX-EZE
MEX-AEP
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
MEX-BUE
MEX-EZE
MEX-AEP
What is the cheapest month to book a flight from Mexico City to Buenos Aires?
Currently, November is the cheapest month in which you can book a flight from Mexico City to Buenos Aires (average of $729). Flying from Mexico City to Buenos Aires in December is currently the most expensive (average of $928). 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 September 17, 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?
Airfare is below average for this route at the moment.
Mexico City to Buenos Aires flights typically cost between $611 and $865 in January.The cheapest round-trip price found within the last 5 days was $590 on LATAM Airlines (Jan 6-Jan 26).
How often are flights from Mexico City to Buenos Aires delayed?
About 16% of weekly flights between Mexico City and Buenos Aires have experienced delays in the past year, with the average delay time being 106 minutes.
What is the most punctual flight time for Mexico City to Buenos Aires flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning 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 16% of flights being delayed.
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 87 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.
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 September 17, 2026.
See what other customers who have flown with Copa Airlines,LATAM Airlines, andAeromexico 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.
Crew
8.1
Comfort
7.4
Overall
7.6
Boarding
7.8
Entertainment
6.9
Food
6.9
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
Crew
8.1
Comfort
7.4
Overall
7.6
Boarding
7.8
Entertainment
6.9
Food
6.9
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
Crew
8.1
Comfort
7.4
Overall
7.6
Boarding
7.8
Entertainment
6.9
Food
6.9
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
Crew
8.1
Comfort
7.4
Overall
7.6
Boarding
7.8
Entertainment
6.9
Food
6.9
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
Crew
8.1
Comfort
7.4
Overall
7.6
Boarding
7.8
Entertainment
6.9
Food
6.9
Reviews
1 / 20
2.0
MediocreKaterine,Mar 2026
LAX - PTY
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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Other flights to Buenos Aires
Explore flights to Buenos Aires departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Complete your trip
Complete your trip to Buenos Aires by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Mexico City to Buenos Aires by cabin class
Find flights from Mexico City to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Mexico City and Buenos Aires flights
Browse other Mexico City and Buenos Aires flight options. Last updated on September 17, 2026.
Other flights from Mexico City
Browse through other flights departing from Mexico City. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Mexico City to Buenos Aires
Discover the top 5 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$808 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$406 | Average$761 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$420 | Average$1,129 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$608 | Average$696 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$630 | Average$780 | FlexibilityNo cancel fee | On-time71% |