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$1,016+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — BUE
Jan 6 — Jan 131
Tue 1/6
Tue 1/13
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 December 7, 2025.

This Delta deal was found by Cheapflights users on 12/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/75:25 amMFE - EZE
2 stops22h 55mDelta
Sat 1/1011:55 pmEZE - MFE
2 stops19h 50mDelta
Deal found 12/5$1,600
This American Airlines deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:30 amMFE - EZE
1 stop23h 55mAmerican Airlines
Sat 12/2710:30 pmEZE - MFE
1 stop19h 59mAmerican Airlines
Deal found 12/4$1,786
This Delta deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2012:38 pmMFE - EZE
2 stops17h 22mDelta
Sat 12/2711:55 pmEZE - MFE
2 stops19h 40mDelta
Deal found 12/4$1,789
This United Airlines deal was found by Cheapflights users on 12/6. 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 12/75:20 pmMFE - EZE
1 stop35h 00mUnited Airlines
Sat 1/1011:55 pmEZE - MFE
1 stop25h 02mUnited Airlines
Deal found 12/6$1,865
This Delta deal was found by Cheapflights users on 12/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/912:49 pmMFE - EZE
2 stops17h 11mDelta
Thu 12/1111:55 pmEZE - MFE
2 stops19h 43mDelta
Deal found 12/5$1,960
This United Airlines deal was found by Cheapflights users on 12/5. 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.
Tue 12/97:00 amMFE - EZE
1 stop21h 20mUnited Airlines
Thu 12/1111:55 pmEZE - MFE
1 stop21h 12mUnited Airlines
Deal found 12/5$2,006
This American Airlines deal was found by Cheapflights users on 12/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/711:53 amMFE - EZE
1 stop17h 12mAmerican Airlines
Sat 1/1011:20 pmEZE - MFE
2 stops20h 44mAmerican Airlines
Deal found 12/6$2,042
This American Airlines deal was found by Cheapflights users on 12/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:29 amMFE - EZE
1 stop23h 36mAmerican Airlines
Thu 12/1110:30 pmEZE - MFE
1 stop23h 34mAmerican Airlines
Deal found 12/5$2,056
This Air Canada deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:00 pmMFE - EZE
3 stops41h 10mAir Canada
Sat 12/274:45 pmEZE - MFE
3 stops43h 14mAir Canada
Deal found 12/4$5,263

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 December 7, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,016
(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)
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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 December 7, 2025.
Use the filters below to find and compare flights from McAllen to Buenos Aires that are best for you.

Fly from

McAllen

Fly to

Buenos Aires

Route

Depart

Return

Price

McAllenBuenos Aires

MFE - EZE

MFEEZE

McAllen Miller Intl

Wed 2/11

9:30 am-7:20 am

1 stop18h 50m

Buenos Aires Ministro Pistarini

Sat 2/21

11:55 pm-7:50 pm

1 stop22h 55m

$1,016

McAllenBuenos Aires

MFE - EZE

MFEEZE

McAllen Miller Intl

Wed 2/11

1:00 pm-7:20 am

2 stops15h 20m

Buenos Aires Ministro Pistarini

Sat 2/21

8:55 pm-12:23 pm

2 stops18h 28m

$1,020

McAllenBuenos Aires

MFE - EZE

MFEEZE

McAllen Miller Intl

Tue 3/3

10:57 am-8:20 am

1 stop18h 23m

Buenos Aires Ministro Pistarini

Fri 3/6

10:25 pm-4:24 pm

1 stop20h 59m

$1,096

McAllenBuenos Aires

MFE - EZE

MFEEZE

McAllen Miller Intl

Mon 1/26

7:28 am-8:25 am

1 stop21h 57m

Buenos Aires Ministro Pistarini

Fri 1/30

10:25 pm-2:32 pm

1 stop19h 07m

$1,096

McAllenBuenos Aires

MFE - EZE

MFEEZE

McAllen Miller Intl

Tue 1/20

9:30 am-7:20 am

1 stop18h 50m

Buenos Aires Ministro Pistarini

Sat 1/24

11:55 pm-4:07 pm

1 stop19h 12m

$1,206

McAllenBuenos Aires

MFE - EZE

MFEEZE

McAllen Miller Intl

Tue 1/20

5:25 am-9:00 am

2 stops24h 35m

Buenos Aires Ministro Pistarini

Sat 1/24

8:55 pm-4:45 pm

2 stops22h 50m

$1,305

McAllenBuenos Aires

MFE - EZE

MFEEZE

McAllen Miller Intl

Tue 1/20

9:59 am-7:10 am

2 stops18h 11m

Buenos Aires Ministro Pistarini

Sat 1/24

11:59 pm-5:04 pm

2 stops20h 05m

$1,315

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/5

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on McAllen-Buenos Aires flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for 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 15h 20m. Fly via United Airlines, Delta, 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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