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$1,144+ Cheap flights from McAllen (MFE) 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — BUE
May 10 — May 171
Sun 5/10
Sun 5/17
1 adult, Economy
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Cheap flight deals from McAllen to Buenos Aires

Cheapest flights from McAllen to Buenos Aires
Explore the most affordable flight options available from McAllen to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.

This United Airlines deal was found by Cheapflights users on 4/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:59 pm
MFE
-
EZE
1 stop35h 01m
United Airlines
Sun 6/219:00 pm
EZE
-
MFE
1 stop13h 56m
United Airlines
Deal found 4/9$1,144
This KAYAK deal was found by Cheapflights users on 4/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:20 am
MFE
-
EZE
2 stops26h 00m
LATAM Airlines
Sat 7/1110:40 pm
EZE
-
MFE
2 stops27h 19m
LATAM Airlines
Deal found 4/5$1,161
This American Airlines deal was found by Cheapflights users on 4/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1410:39 am
MFE
-
EZE
2 stops20h 11m
American Airlines
Sun 6/218:35 pm
EZE
-
MFE
2 stops24h 59m
American Airlines
Deal found 4/9$1,202
This United Airlines deal was found by Cheapflights users on 4/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:40 am
MFE
-
EZE
1 stop18h 40m
United Airlines
Mon 12/711:55 pm
EZE
-
MFE
1 stop22h 20m
United Airlines
Deal found 4/9$1,247
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:27 pm
MFE
-
EZE
1 stop34h 53m
United Airlines
Thu 12/1011:55 pm
EZE
-
MFE
1 stop20h 50m
United Airlines
Deal found 4/6$1,254
This KAYAK deal was found by Cheapflights users on 4/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:04 am
MFE
-
EZE
2 stops19h 46m
GOL
Sun 10/258:40 pm
EZE
-
MFE
2 stops24h 49m
GOL
Deal found 4/7$1,501
This American Airlines deal was found by Cheapflights users on 4/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am
MFE
-
EZE
2 stops22h 15m
American Airlines
Sun 10/2510:30 pm
EZE
-
MFE
1 stop19h 01m
American Airlines
Deal found 4/7$1,511
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/22:14 pm
MFE
-
EZE
1 stop15h 46m
United Airlines
Sat 7/119:00 pm
EZE
-
MFE
1 stop13h 56m
United Airlines
Deal found 4/5$1,688
This KAYAK deal was found by Cheapflights users on 4/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:17 am
MFE
-
EZE
2 stops17h 33m
Copa Airlines
Tue 4/143:52 am
EZE
-
MFE
2 stops19h 56m
Copa Airlines
Deal found 4/9$1,860
This LATAM Airlines deal was found by Cheapflights users on 4/7. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:27 pm
MFE
-
EZE
3 stops56h 43m
Multiple Airlines
Sun 10/257:45 am
EZE
-
MFE
3 stops27h 22m
Multiple Airlines
Deal found 4/7$1,895
This KAYAK deal was found by Cheapflights users on 4/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:00 am
MFE
-
EZE
1 stop23h 00m
Avianca
Wed 4/159:00 pm
EZE
-
MFE
1 stop21h 24m
Avianca
Deal found 4/9$2,058

Find flight deals from McAllen to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from McAllen (MFE) 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 April 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,144
(United Airlines)
Provider with most accurate pricing for McAllen Miller Intl-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for McAllen Miller Intl-Buenos Aires (BUE) flights.
Search Deals
From McAllen Miller Intl to Buenos Aires (BUE)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from McAllen 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 April 10, 2026.
Use the filters below to find and compare flights from McAllen to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

McAllenBuenos Aires

MFE - EZE

MFEEZE

McAllen Miller Intl

Sun 6/14

6:59 pm-8:00 am

1 stop35h 01m

Buenos Aires Ministro Pistarini

Sun 6/21

9:00 pm-8:56 am

1 stop13h 56m

$1,144

McAllenBuenos Aires

MFE - EZE

MFEEZE

McAllen Miller Intl

Thu 7/2

5:20 am-9:20 am

2 stops26h 00m

Buenos Aires Ministro Pistarini

Sat 7/11

10:40 pm-11:59 pm

2 stops27h 19m

$1,161

McAllenBuenos Aires

MFE - EZE

MFEEZE

McAllen Miller Intl

Sun 6/14

10:39 am-8:50 am

2 stops20h 11m

Buenos Aires Ministro Pistarini

Sun 6/21

8:35 pm-7:34 pm

2 stops24h 59m

$1,202
Quickest round-trip

McAllenBuenos Aires

MFE - EZE

MFEEZE

McAllen Miller Intl

Thu 7/2

2:14 pm-8:00 am

1 stop15h 46m

Buenos Aires Ministro Pistarini

Sat 7/11

9:00 pm-8:56 am

1 stop13h 56m

$1,688

McAllenBuenos Aires

MFE - EZE

MFEEZE

McAllen Miller Intl

Thu 7/2

2:14 pm-8:00 am

1 stop15h 46m

Buenos Aires Ministro Pistarini

Sat 7/11

8:10 pm-4:16 pm

2 stops22h 06m

$3,670

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Sorted by cheapest first

Compare providers for flights from McAllen 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 McAllen to Buenos Aires in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 McAllen-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on McAllen-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from McAllen-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on McAllen-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 McAllen-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 McAllen to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from McAllen 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 McAllen to Buenos Aires
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from McAllen 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 McAllen to Buenos Aires?

    Located just 2.0 mi from the city center, McAllen Miller Intl is the airport most travelers will use when flying to Buenos Aires from McAllen. Booking flights from Miller Intl (MFE) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 0 different airlines.

  • How long is the flight from McAllen to Buenos Aires?

    There are many flights that can get you from McAllen to Buenos Aires in 20h 11m. Fly via United Airlines, LATAM Airlines, or American Airlines to get the fastest option. Airlines will cover a distance of 4947 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from McAllen to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on McAllen to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from McAllen to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from McAllen to Buenos Aires.

  • Can I find deals for business class flights from McAllen to Buenos Aires?

    Yes. Cheapflights offers flight deals from McAllen 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.

See more FAQs

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