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$356+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — BUE
ene. 14 — ene. 211
mié. 1/14
mié. 1/21
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 68 days in advance, depart on a Sunday or Wednesday and return on a Saturday

Cheap 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 diciembre 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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.
mar. 12/161:25 pmRDU - EZE
1 stop17h 55mUnited Airlines
dom. 12/2811:55 pmEZE - RDU
1 stop24h 04mUnited Airlines
Deal found 12/15$1,014
This LATAM Airlines deal was found by Cheapflights users on 12/14. 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.
jue. 12/184:00 pmRDU - EZE
1 stop15h 00mLATAM Airlines
sáb. 12/208:55 pmEZE - RDU
1 stop15h 20mLATAM Airlines
Deal found 12/14$1,064
This LATAM Airlines deal was found by Cheapflights users on 12/13. 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.
dom. 12/148:05 amRDU - EZE
1 stop23h 30mMultiple Airlines
mar. 12/3011:55 pmEZE - RDU
1 stop14h 01mMultiple Airlines
Deal found 12/13$1,073
This KAYAK deal was found by Cheapflights users on 12/13. 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.
dom. 12/1412:32 pmRDU - EZE
2 stops19h 03mLATAM Airlines
mar. 12/3011:55 pmEZE - RDU
1 stop14h 01mLATAM Airlines
Deal found 12/13$1,198
This Delta deal was found by Cheapflights users on 12/13. 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.
dom. 12/141:08 pmRDU - EZE
2 stops19h 07mDelta
mar. 12/3011:55 pmEZE - RDU
1 stop14h 01mDelta
Deal found 12/13$1,206
This Copa Airlines deal was found by Cheapflights users on 12/15. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/1610:30 amRDU - EZE
2 stops19h 29mCopa Airlines
dom. 12/285:16 amEZE - RDU
2 stops30h 23mCopa Airlines
Deal found 12/15$1,238
This United Airlines deal was found by Cheapflights users on 12/14. 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.
dom. 12/144:48 pmRDU - EZE
1 stop14h 32mUnited Airlines
mar. 12/3010:05 pmEZE - RDU
1 stop15h 16mUnited Airlines
Deal found 12/14$1,241
This Copa Airlines deal was found by Cheapflights users on 12/14. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/147:45 pmRDU - EZE
2 stops28h 13mCopa Airlines
mar. 12/302:32 pmEZE - RDU
2 stops21h 07mCopa Airlines
Deal found 12/14$1,372
This LATAM Airlines deal was found by Cheapflights users on 12/14. 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.
dom. 12/145:17 pmRDU - AEP
2 stops18h 43mLATAM Airlines
mar. 12/308:50 amAEP - RDU
2 stops27h 25mLATAM Airlines
Deal found 12/14$1,478
This KAYAK deal was found by Cheapflights users on 12/14. 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.
sáb. 12/202:06 pmRDU - AEP
2 stops23h 54mLATAM Airlines
sáb. 1/105:15 pmAEP - RDU
2 stops18h 48mLATAM Airlines
Deal found 12/14$1,627
This KAYAK deal was found by Cheapflights users on 12/14. 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.
mar. 12/1611:02 amRDU - AEP
2 stops18h 53mLATAM Airlines
dom. 12/286:20 pmAEP - RDU
2 stops18h 12mLATAM Airlines
Deal found 12/14$1,738
This KAYAK deal was found by Cheapflights users on 12/14. 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.
vie. 12/265:13 pmRDU - AEP
2 stops16h 32mLATAM Airlines
sáb. 1/311:30 amAEP - RDU
2 stops24h 45mLATAM Airlines
Deal found 12/14$2,125

Find 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 diciembre 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$812
(Bravofly)

One-way from

$356
(Kiwi.com)

Popular in

June

Cheapest in

July

Average price

$1,155
Provider with most accurate pricing for Raleigh-Durham-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Buenos Aires (BUE) flights.
Search Deals
From Raleigh-Durham to Buenos Aires (BUE)
Search Deals
One-way flight from Raleigh-Durham to Buenos Aires (BUE)
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 diciembre 15, 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

mar. 3/3

2:07 pm-10:15 am

1 stop18h 08m

Buenos Aires Ministro Pistarini

jue. 3/19

2:31 am-2:23 pm

1 stop12h 52m

$812

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

mié. 3/11

5:06 pm-9:35 am

2 stops15h 29m

Buenos Aires Ministro Pistarini

mar. 3/24

8:00 am-12:17 am

2 stops17h 17m

$853

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

lun. 3/9

5:06 pm-9:35 am

2 stops15h 29m

Buenos Aires Ministro Pistarini

lun. 4/6

3:55 am-8:57 pm

2 stops18h 02m

$853

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

dom. 2/8

6:15 am-7:20 am

2 stops23h 05m

Buenos Aires Ministro Pistarini

dom. 2/15

11:55 pm-3:40 pm

1 stop17h 45m

$866

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

jue. 2/5

9:59 am-9:00 am

1 stop21h 01m

Buenos Aires Ministro Pistarini

mié. 2/11

4:05 am-10:42 pm

2 stops20h 37m

$866

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

dom. 1/18

1:00 pm-7:20 am

1 stop16h 20m

Buenos Aires Ministro Pistarini

sáb. 1/31

11:55 pm-11:07 am

1 stop13h 12m

$866

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

mié. 2/11

6:15 am-7:20 am

1 stop23h 05m

Buenos Aires Ministro Pistarini

dom. 2/15

11:55 pm-12:12 pm

1 stop14h 17m

$866

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

jue. 2/5

3:04 pm-9:00 am

1 stop15h 56m

Buenos Aires Ministro Pistarini

jue. 2/12

11:55 pm-4:47 pm

1 stop18h 52m

$866

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

dom. 1/18

2:10 pm-10:15 am

1 stop18h 05m

Buenos Aires Ministro Pistarini

sáb. 1/31

9:55 pm-8:34 pm

2 stops24h 39m

$866

RaleighBuenos Aires

RDU - EZE

RDUEZE

Raleigh-Durham

mié. 1/21

12:12 pm-7:20 am

1 stop17h 08m

Buenos Aires Ministro Pistarini

mar. 2/3

8:55 pm-8:52 am

1 stop13h 57m

$866

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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 December.
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 December 12, 2025.

To ensure you get the cheapest price possible for a flight from Raleigh to Buenos Aires, you should look to book at least 38 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, December is the cheapest month in which you can book a flight from Raleigh to Buenos Aires (average of $366). Flying from Raleigh to Buenos Aires in January is currently the most expensive (average of $957). 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 diciembre 15, 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.

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 diciembre 15, 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
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Copa Airlines
7.6
Good
1,557 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,892 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,051 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 $853, LATAM Airlines can have you in Buenos Aires from Raleigh in 15h 29m. 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, Copa Airlines ($372), Delta ($378), and United Airlines ($431) offers the cheapest pricing from Raleigh to Buenos Aires. Users have found that Copa Airlines is 61% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Raleigh to Buenos Aires one-way?

    $273 is the cheapest one-way deal found within the past few days, from Copa Airlines. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $377 and $377, respectively.

  • 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, December is the cheapest month in which you can book a flight from Raleigh to Buenos Aires (average of $366). Flying from Raleigh to Buenos Aires in January is currently the most expensive (average of $957). 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

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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 diciembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$378Average$956FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$452Average$869FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$506Average$915FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$548Average$1,492FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$640Average$1,127FlexibilityNo cancel feeOn-time71%

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