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$473+ Cheap flights from Buffalo (BUF) 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — BUE
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Buffalo to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,048
(KAYAK)

One-way from

$473
(Avianca)
Provider with most accurate pricing for Buffalo-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Buenos Aires (BUE) flights.
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From Buffalo to Buenos Aires (BUE)
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One-way flight from Buffalo to Buenos Aires (BUE)
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Find flight deals from Buffalo to Buenos Aires

Cheapest flights from Buffalo to Buenos Aires
Explore the most affordable flight options available from Buffalo to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This LATAM Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 12/812:10 pmBUF - EZE
2 stops19h 25mLATAM Airlines
Thu 12/117:00 amEZE - BUF
2 stops30h 04mLATAM Airlines
Deal found 10/29$1,490
This LATAM Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 12/86:25 pmBUF - AEP
2 stops20h 35mLATAM Airlines
Thu 12/1110:35 amAEP - BUF
2 stops26h 06mLATAM Airlines
Deal found 10/29$1,651
This Delta deal was found by Cheapflights users on 10/27. 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.
Mon 12/811:21 amBUF - EZE
1 stop20h 54mDelta
Thu 12/118:55 pmEZE - BUF
1 stop22h 23mDelta
Deal found 10/27$1,651
This KAYAK deal was found by Cheapflights users on 10/30. 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 11/173:45 pmBUF - AEP
2 stops16h 45mLATAM Airlines
Tue 11/253:40 pmAEP - BUF
2 stops21h 20mLATAM Airlines
Deal found 10/30$1,768
This Ovago deal was found by Cheapflights users on 10/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:45 pmBUF - AEP
2 stops16h 45mLATAM Airlines
Sun 11/238:25 pmAEP - BUF
2 stops20h 40mLATAM Airlines
Deal found 10/30$1,800
This KAYAK deal was found by Cheapflights users on 10/30. 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.
Fri 11/143:45 pmBUF - AEP
2 stops22h 15mLATAM Airlines
Sun 11/238:25 pmAEP - BUF
2 stops20h 40mLATAM Airlines
Deal found 10/30$1,808
This Gurufare deal was found by Cheapflights users on 10/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:45 pmBUF - AEP
2 stops16h 45mLATAM Airlines
Sat 11/226:20 pmAEP - BUF
2 stops18h 17mLATAM Airlines
Deal found 10/30$1,839
This KAYAK deal was found by Cheapflights users on 10/30. 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 11/173:45 pmBUF - AEP
2 stops16h 45mLATAM Airlines
Mon 11/246:20 pmAEP - BUF
2 stops18h 17mLATAM Airlines
Deal found 10/30$1,866
This FlightHub deal was found by Cheapflights users on 10/30. 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.
Thu 11/133:45 pmBUF - AEP
2 stops20h 55mLATAM Airlines
Mon 11/243:40 pmAEP - BUF
2 stops21h 20mLATAM Airlines
Deal found 10/30$1,871
This KAYAK deal was found by Cheapflights users on 10/30. 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.
Fri 11/143:45 pmBUF - AEP
2 stops16h 45mLATAM Airlines
Sat 11/226:20 pmAEP - BUF
2 stops18h 17mLATAM Airlines
Deal found 10/30$1,881
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/97:30 pmBUF - EZE
2 stops33h 50mUnited Airlines
Fri 11/1410:05 pmEZE - BUF
2 stops18h 15mUnited Airlines
Deal found 10/29$1,920
This KAYAK deal was found by Cheapflights users on 10/29. 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.
Sun 11/96:10 amBUF - EZE
2 stops21h 55mLATAM Airlines
Thu 11/134:05 amEZE - BUF
2 stops21h 54mLATAM Airlines
Deal found 10/29$1,958

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo 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 October 30, 2025.
Use the filters below to find and compare flights from Buffalo to Buenos Aires that are best for you.

Fly from

Buffalo

Fly to

Buenos Aires

Route

Depart

Return

Price

BuffaloBuenos Aires

BUF - AEP

BUFAEP

Buffalo

Tue 2/3

12:14 pm-6:40 pm

2 stops28h 26m

Buenos Aires Jorge Newbery

Thu 2/19

5:15 pm-11:16 am

2 stops20h 01m

$1,048

BuffaloBuenos Aires

BUF - EZE

BUFEZE

Buffalo

Wed 1/21

7:00 am-6:05 am

2 stops21h 05m

Buenos Aires Ministro Pistarini

Wed 1/28

12:15 pm-11:19 am

2 stops25h 04m

$1,048

BuffaloBuenos Aires

BUF - EZE

BUFEZE

Buffalo

Tue 2/3

6:00 am-8:50 pm

2 stops36h 50m

Buenos Aires Ministro Pistarini

Thu 2/19

8:00 am-11:16 am

2 stops29h 16m

$1,048

BuffaloBuenos Aires

BUF - EZE

BUFEZE

Buffalo

Wed 1/21

12:14 pm-9:00 am

1 stop18h 46m

Buenos Aires Ministro Pistarini

Wed 1/28

10:25 pm-7:03 pm

1 stop22h 38m

$1,056

BuffaloBuenos Aires

BUF - EZE

BUFEZE

Buffalo

Tue 2/3

11:24 am-9:20 am

2 stops19h 56m

Buenos Aires Ministro Pistarini

Thu 2/19

10:05 pm-11:44 pm

2 stops27h 39m

$1,060

BuffaloBuenos Aires

BUF - EZE

BUFEZE

Buffalo

Tue 2/3

3:38 pm-10:15 am

1 stop16h 37m

Buenos Aires Ministro Pistarini

Thu 2/19

8:55 pm-1:48 pm

2 stops18h 53m

$1,060

BuffaloBuenos Aires

BUF - AEP

BUFAEP

Buffalo

Mon 12/8

3:55 pm-5:00 pm

2 stops23h 05m

Buenos Aires Jorge Newbery

Thu 12/11

12:40 pm-11:04 am

2 stops24h 24m

$1,651

BuffaloBuenos Aires

BUF - AEP

BUFAEP

Buffalo

Mon 11/17

3:45 pm-10:30 am

2 stops16h 45m

Buenos Aires Jorge Newbery

Tue 11/25

3:40 pm-11:00 am

2 stops21h 20m

$1,768

BuffaloBuenos Aires

BUF - AEP

BUFAEP

Buffalo

Tue 11/18

3:45 pm-10:30 am

2 stops16h 45m

Buenos Aires Jorge Newbery

Tue 11/25

6:20 pm-11:00 am

2 stops18h 40m

$1,768

BuffaloBuenos Aires

BUF - AEP

BUFAEP

Buffalo

Mon 11/17

3:45 pm-10:30 am

2 stops16h 45m

Buenos Aires Jorge Newbery

Wed 11/26

6:20 pm-11:00 am

2 stops18h 40m

$1,768

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 22 results
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Compare providers for flights from Buffalo 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 Buffalo to Buenos Aires in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Buffalo-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buffalo-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Buffalo-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-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 Buffalo-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 Buffalo to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Buffalo 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 Buffalo to Buenos Aires

What is the cheapest time of day to fly from BUF to BUE?

Find hourly flight availability from Buffalo 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 October 30, 2025.

When flying from Buffalo to Buenos Aires, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 21% versus a flight at noon.

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 October 30, 2025.
See what other customers who have flown with Delta from Buffalo 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.
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

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

    Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to Buenos Aires. You should not have trouble finding flights to Buenos Aires from Buffalo; the airport handles an average of 0 outbound flights to Buenos Aires per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Buffalo airport to Buenos Aires. It is only a 8.3 mi journey to Buffalo (BUF) from Buffalo’s city center.

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

    Airlines like LATAM Airlines and Delta fly from Buffalo to Buenos Aires in about 18h 46m. The time it takes to get you to your destination can typically vary by up to 9h 40m. The distance between Buffalo and Buenos Aires is about 5518 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Buffalo 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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