HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$1,137+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — BUE
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from McAllen 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.

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 February 3, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. 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.
Sat 10/312:15 pm
MFE
-
EZE
1 stop14h 05m
United Airlines
Tue 11/311:55 pm
EZE
-
MFE
1 stop22h 20m
United Airlines
Deal found 2/2$1,137
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/312:05 pm
MFE
-
EZE
1 stop18h 15m
United Airlines
Tue 3/310:05 pm
EZE
-
MFE
1 stop21h 15m
United Airlines
Deal found 2/1$1,177
This American Airlines deal was found by Cheapflights users on 2/1. 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 2/311:56 am
MFE
-
EZE
2 stops19h 14m
American Airlines
Tue 3/311:00 pm
EZE
-
MFE
2 stops18h 57m
American Airlines
Deal found 2/1$1,181
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 2/1112:05 pm
MFE
-
EZE
1 stop16h 15m
United Airlines
Sat 2/2110:05 pm
EZE
-
MFE
1 stop21h 15m
United Airlines
Deal found 2/1$1,232
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 2/119:59 am
MFE
-
EZE
2 stops21h 11m
American Airlines
Sat 2/2111:59 pm
EZE
-
MFE
2 stops21h 26m
American Airlines
Deal found 2/1$1,236
This KAYAK deal was found by Cheapflights users on 2/2. 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.
Sat 7/1812:48 pm
MFE
-
EZE
2 stops42h 57m
LATAM Airlines
Tue 7/218:10 pm
EZE
-
MFE
2 stops18h 13m
LATAM Airlines
Deal found 2/2$1,305
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Sat 7/189:30 am
MFE
-
EZE
1 stop20h 30m
United Airlines
Tue 7/219:00 pm
EZE
-
MFE
1 stop22h 53m
United Airlines
Deal found 2/2$1,849
This LATAM Airlines deal was found by Cheapflights users on 2/1. 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 2/37:00 am
MFE
-
EZE
3 stops44h 05m
Multiple Airlines
Tue 3/37:45 am
EZE
-
MFE
3 stops40h 57m
Multiple Airlines
Deal found 2/1$2,183
This Booking.com deal was found by Cheapflights users on 2/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/181:51 pm
MFE
-
EZE
3 stops42h 54m
Multiple Airlines
Tue 7/214:35 pm
EZE
-
MFE
2 stops31h 05m
Multiple Airlines
Deal found 2/2$11,835

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,232
(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 February 3, 2026.
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

Sat 7/18

12:48 pm-9:45 am

2 stops42h 57m

Buenos Aires Ministro Pistarini

Tue 7/21

8:10 pm-12:23 pm

2 stops18h 13m

$1,305

McAllenBuenos Aires

MFE - EZE

MFEEZE

McAllen Miller Intl

Sat 7/18

9:30 am-8:00 am

1 stop20h 30m

Buenos Aires Ministro Pistarini

Tue 7/21

9:00 pm-5:53 pm

1 stop22h 53m

$1,849

McAllenBuenos Aires

MFE - EZE

MFEEZE

McAllen Miller Intl

Sat 7/18

1:51 pm-10:45 am

3 stops42h 54m

Buenos Aires Ministro Pistarini

Tue 7/21

4:35 pm-9:40 pm

2 stops31h 05m

$11,835

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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 February.
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 30m. Fly via LATAM Airlines or United 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for McAllen to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Ministro Pistarini flights
Dallas/Fort Worth to Jorge Newbery flights
Austin to Ministro Pistarini flights
Hobby to Ministro Pistarini flights
George Bush Intcntl to Ministro Pistarini flights
Austin to Jorge Newbery flights
Hobby to Jorge Newbery flights
Love Field to Ministro Pistarini flights
George Bush Intcntl to Jorge Newbery flights
Dallas/Fort Worth to Mendoza flights
Hobby to Cordoba flights
El Paso to Ministro Pistarini flights
San Antonio to Ministro Pistarini flights
George Bush Intcntl to Cordoba flights
Dallas/Fort Worth to Cordoba flights
Love Field to Mendoza flights
San Antonio to Cordoba flights
Hobby to Mendoza flights
Corpus Christi to Ministro Pistarini flights
George Bush Intcntl to Mendoza flights
McAllen to Ministro Pistarini flights
San Antonio to Mendoza flights
San Antonio to Ushuaia flights
San Antonio to El Calafate flights
George Bush Intcntl to Ushuaia flights
George Bush Intcntl to Rosario flights
Hobby to Ushuaia flights
Hobby to Rosario flights
Dallas/Fort Worth to Rosario flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights