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$339+ Cheap flights from Raleigh (RDU) 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — BUE
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Raleigh-Durham to Buenos Aires are usually found in July or September, booked 55 days in advance, depart on a Sunday or Wednesday and return on a Saturday

Cheap flight deals from Raleigh to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) 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

$532
(United Airlines)

One-way from

$339
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$865
Provider with most accurate pricing for Raleigh-Durham-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-Buenos Aires (BUE) flights.
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From Raleigh-Durham to Buenos Aires (BUE)
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One-way flight from Raleigh-Durham to Buenos Aires (BUE)
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Highest demand for flights based on searches. 14% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Raleigh to Buenos Aires

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

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:48 pmRDU - EZE
1 stop14h 32mUnited Airlines
Mon 12/810:05 pmEZE - RDU
2 stops20h 37mUnited Airlines
Deal found 10/30$532
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.
Thu 11/61:15 pmRDU - EZE
1 stop16h 05mUnited Airlines
Tue 11/1111:55 pmEZE - RDU
1 stop14h 38mUnited Airlines
Deal found 10/29$541
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 11/164:53 pmRDU - EZE
1 stop36h 27mUnited Airlines
Thu 11/2710:05 pmEZE - RDU
1 stop16h 28mUnited Airlines
Deal found 10/29$548
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:30 amRDU - EZE
2 stops18h 50mUnited Airlines
Tue 12/2310:05 pmEZE - RDU
2 stops38h 27mUnited Airlines
Deal found 10/30$559
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 11/94:53 pmRDU - EZE
1 stop36h 27mUnited Airlines
Thu 11/2011:55 pmEZE - RDU
2 stops36h 19mUnited Airlines
Deal found 10/29$566
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.
Sat 11/158:00 pmRDU - EZE
2 stops35h 20mUnited Airlines
Thu 11/2711:55 pmEZE - RDU
2 stops20h 55mUnited Airlines
Deal found 10/29$595
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/272:47 pmRDU - EZE
1 stop17h 28mDelta
Thu 12/411:55 pmEZE - RDU
1 stop21h 05mDelta
Deal found 10/30$616
This LATAM Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 12/411:02 amRDU - AEP
2 stops26h 58mLATAM Airlines
Mon 12/85:15 pmAEP - RDU
2 stops29h 10mLATAM Airlines
Deal found 10/28$616
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.
Thu 12/1111:02 amRDU - EZE
2 stops20h 33mLATAM Airlines
Tue 12/1612:15 pmEZE - RDU
2 stops23h 39mLATAM Airlines
Deal found 10/29$620
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.
Thu 11/610:59 amRDU - AEP
2 stops18h 56mLATAM Airlines
Tue 11/115:15 pmAEP - RDU
2 stops18h 44mLATAM Airlines
Deal found 10/29$815
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.
Sat 11/152:47 pmRDU - AEP
2 stops17h 43mLATAM Airlines
Thu 11/273:40 pmAEP - RDU
2 stops24h 26mLATAM Airlines
Deal found 10/29$847
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:15 amRDU - AEP
2 stops22h 40mLATAM Airlines
Thu 12/412:40 pmAEP - RDU
2 stops25h 31mLATAM Airlines
Deal found 10/30$919

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh 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 Raleigh to Buenos Aires that are best for you.

Fly from

Raleigh

Fly to

Buenos Aires

Route

Depart

Return

Price

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

Wed 12/3

4:48 pm-9:20 am

1 stop14h 32m

Buenos Aires Ministro Pistarini

Mon 12/8

11:55 pm-12:44 pm

1 stop14h 49m

$532

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

Wed 11/26

3:43 pm-8:20 am

1 stop14h 37m

Buenos Aires Ministro Pistarini

Wed 12/10

11:20 pm-6:24 pm

1 stop21h 04m

$541

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

Thu 11/27

6:07 am-7:20 am

1 stop23h 13m

Buenos Aires Ministro Pistarini

Thu 12/4

11:55 pm-12:44 pm

1 stop14h 49m

$541

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

Tue 11/25

6:30 am-7:20 am

2 stops22h 50m

Buenos Aires Ministro Pistarini

Tue 12/2

10:05 pm-2:07 pm

2 stops18h 02m

$545

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

Sun 11/9

4:53 pm-7:20 am

1 stop36h 27m

Buenos Aires Ministro Pistarini

Thu 11/20

11:55 pm-3:39 pm

1 stop17h 44m

$548

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

Sun 11/16

4:53 pm-7:20 am

1 stop36h 27m

Buenos Aires Ministro Pistarini

Wed 11/26

11:55 pm-5:23 pm

2 stops19h 28m

$553

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

Sun 11/16

4:53 pm-7:20 am

1 stop36h 27m

Buenos Aires Ministro Pistarini

Thu 11/27

10:05 pm-2:08 pm

2 stops18h 03m

$553

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

Mon 12/8

10:30 am-7:20 am

2 stops18h 50m

Buenos Aires Ministro Pistarini

Tue 12/23

10:05 pm-10:32 am

2 stops38h 27m

$559

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

Sat 11/15

8:00 pm-7:20 am

2 stops33h 20m

Buenos Aires Ministro Pistarini

Thu 11/27

10:05 pm-3:39 pm

1 stop19h 34m

$595

RaleighBuenos Aires

RDU - AEP

RDUAEP

Raleigh-Durham

Tue 3/17

12:40 pm-7:55 am

2 stops18h 15m

Buenos Aires Jorge Newbery

Tue 3/24

5:15 pm-11:18 am

2 stops19h 03m

$616

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 31 results
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Compare providers for flights from Raleigh 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 Raleigh to Buenos Aires in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 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 Raleigh-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Raleigh-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Raleigh-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Raleigh-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 Raleigh-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 Raleigh to Buenos Aires

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

How far ahead should I book a flight from Raleigh to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Buenos Aires. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Raleigh to Buenos Aires, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Raleigh to Buenos Aires?

Currently, July is the cheapest month in which you can book a flight from Raleigh to Buenos Aires (average of $378). Flying from Raleigh to Buenos Aires in August is currently the most expensive (average of $951). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Raleigh 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.

Unlike in the morning, when flights are generally more expensive, you can save up to 10% on flights from Raleigh to Buenos Aires by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from Raleigh to Buenos Aires?

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.
Read reviews from past customers who have flown Delta, Copa Airlines, and LATAM Airlines from Raleigh to Buenos Aires. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,993 reviews
Delta
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Copa Airlines
7.6
Good
1,563 reviews
Delta
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
LATAM Airlines
7.5
Good
1,872 reviews
Delta
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,030 reviews
Delta
7.9
Good
7,993 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

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

    Most people fly from Raleigh-Durham (RDU) if they book a flight from Raleigh to Buenos Aires. On average, Raleigh-Durham has 0 outbound flights to Buenos Aires per day from 5 airlines. Raleigh-Durham is conveniently located just 11.1 mi from Raleigh’s city center.

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

    For as low as $532, United Airlines can have you in Buenos Aires from Raleigh in 14h 32m. Raleigh and Buenos Aires are separated by a distance of 5053 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Raleigh to Buenos Aires round-trip?

    According to our current data, Delta ($388), United Airlines ($452), and LATAM Airlines ($506) offers the cheapest pricing from Raleigh to Buenos Aires. Users have found that Delta is 60% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Raleigh 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.

  • What is the cheapest month to book a flight from Raleigh to Buenos Aires?

    Currently, July is the cheapest month in which you can book a flight from Raleigh to Buenos Aires (average of $378). Flying from Raleigh to Buenos Aires in August is currently the most expensive (average of $951). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Raleigh to Buenos Aires

Discover the top 5 airlines that operate flights from Raleigh to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$388Average$996FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$452Average$1,427FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$506Average$899FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$548Average$1,336FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$865Average$1,181FlexibilityNo cancel feeOn-time71%

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