$518+ Cheap flights from McAllen (MFE) 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — BUE
Sep 19 — Sep 261
Round-trip
1 adult, Economy
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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
Best
One-way
Cheapest flights from McAllen to Buenos AiresExplore 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 August 20, 2026.
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 August 20, 2026.
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 10/17:00 am -
2 stops22h 15m
Wed 10/148:40 pm -
2 stops18h 47m
Deal found 8/18![American Airlines logo]()
$1,337
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/17:00 am -
1 stop23h 00m
Wed 10/149:00 pm -
1 stop22h 59m
Deal found 8/18![United Airlines logo]()
$1,419
This KAYAK deal was found by Cheapflights users on 8/18. 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 12/19:22 am -
1 stop20h 08m
Thu 12/3110:30 pm -
1 stop19h 41m
Deal found 8/18![GOL logo]()
$1,482
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 11/207:00 am -
1 stop21h 20m
Fri 11/2710:05 pm -
1 stop16h 15m
Deal found 8/18![United Airlines logo]()
$1,519
This KAYAK deal was found by Cheapflights users on 8/18. 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 12/17:27 pm -
2 stops28h 49m
Wed 12/303:46 am -
2 stops21h 10m
Deal found 8/18![Copa Airlines logo]()
$1,594
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 11/204:19 pm -
1 stop13h 11m
Fri 11/2710:50 pm -
2 stops19h 47m
Deal found 8/18![American Airlines logo]()
$1,692
This United deal was found by Cheapflights users on 8/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:00 am -
1 stop23h 00m
Wed 10/144:35 pm -
2 stops18h 18m
Deal found 8/18![Multiple Airlines logo]()
$1,864
This Booking.com deal was found by Cheapflights users on 8/18. 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.
Thu 10/17:24 pm -
3 stops41h 06m
Wed 10/144:35 pm -
3 stops42h 18m
Deal found 8/18![Air Canada logo]()
$3,549
This Booking.com deal was found by Cheapflights users on 8/18. 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.
Fri 11/205:00 am -
3 stops31h 05m
Fri 11/274:45 pm -
3 stops32h 13m
Deal found 8/18![Air Canada logo]()
$3,870
This United deal was found by Cheapflights users on 8/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:30 pm -
2 stops17h 20m
Thu 11/262:40 am -
2 stops18h 19m
Deal found 8/18![Multiple Airlines logo]()
$7,348
This United deal was found by Cheapflights users on 8/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:00 am -
3 stops19h 10m
Wed 12/301:40 am -
2 stops19h 39m
Deal found 8/18![Multiple Airlines logo]()
$7,897
Best flights from McAllen to Buenos AiresDiscover carefully curated flight deals from McAllen to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.
Discover carefully curated flight deals from McAllen to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 10/17:00 am -
2 stops22h 15m
Wed 10/148:40 pm -
2 stops18h 47m
Deal found 8/18![American Airlines logo]()
$1,337
This United deal was found by Cheapflights users on 8/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:00 am -
1 stop23h 00m
Wed 10/144:35 pm -
2 stops18h 18m
Deal found 8/18![Multiple Airlines logo]()
$1,864
One-way flights from McAllen to Buenos AiresSearch for one-way flight options from McAllen to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
Search for one-way flight options from McAllen to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 11/48:20 pm -
3 stops57h 56m
Deal found 8/19![Multiple Airlines logo]()
$518
This KAYAK deal was found by Cheapflights users on 8/19. 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.
Wed 11/44:19 pm -
2 stops29h 41m
Deal found 8/19![GOL logo]()
$977
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 August 20, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $1,337 (American Airlines) |
One-way from | $518 (Kiwi.com) |
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 7,457,451 searches. Data last updated August 20, 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
Cheapest round-trip
Quickest round-trip
McAllenBuenos Aires
MFE McAllen Miller Intl - EZE Buenos Aires Ministro Pistarini
MFEEZE
McAllen Miller Intl
Thu 10/1
7:00 am-7:15 am
2 stops22h 15m
Buenos Aires Ministro Pistarini
Wed 10/14
8:40 pm-1:27 pm
2 stops18h 47m
$1,337
McAllenBuenos Aires
MFE McAllen Miller Intl - EZE Buenos Aires Ministro Pistarini
MFEEZE
McAllen Miller Intl
Thu 10/1
7:00 am-8:00 am
1 stop23h 00m
Buenos Aires Ministro Pistarini
Wed 10/14
4:35 pm-8:53 am
2 stops18h 18m
$1,864
Cheapest one-way
McAllenBuenos Aires
MFE McAllen Miller Intl - EZE Buenos Aires Ministro Pistarini
MFEEZE
McAllen Miller Intl
Wed 11/4
8:20 pm-9:16 am
3 stops57h 56m
$518
Quickest one-way
McAllenBuenos Aires
MFE McAllen Miller Intl - EZE Buenos Aires Ministro Pistarini
MFEEZE
McAllen Miller Intl
Wed 11/4
4:19 pm-1:00 am
2 stops29h 41m
$977
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on McAllen-Buenos Aires flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on McAllen-Buenos Aires flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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.
MFE-BUE
MFE-EZE
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
MFE-BUE
MFE-EZE
No data available for this route at this time. Please check back soon.
Related info for your journey
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