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$332+ Cheap flights from Philadelphia (PHL) 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BUE
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Philadelphia to Buenos Aires

Cheapest flights from Philadelphia to Buenos Aires
Explore the most affordable flight options available from Philadelphia to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/315:17 amPHL - EZE
1 stop26h 18mMultiple Airlines
Thu 1/225:25 amEZE - PHL
2 stops35h 31mMultiple Airlines
Deal found 12/9$877
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Tue 12/305:17 amPHL - EZE
1 stop21h 13mMultiple Airlines
Thu 1/225:25 amEZE - PHL
2 stops35h 31mMultiple Airlines
Deal found 12/9$889
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/315:17 amPHL - EZE
1 stop26h 18mMultiple Airlines
Sat 1/245:25 amEZE - PHL
2 stops45h 00mMultiple Airlines
Deal found 12/9$899
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/315:17 amPHL - EZE
1 stop26h 18mMultiple Airlines
Fri 1/239:15 pmEZE - PHL
2 stops21h 34mMultiple Airlines
Deal found 12/9$927
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/315:17 amPHL - EZE
1 stop26h 18mMultiple Airlines
Sun 1/259:55 pmEZE - PHL
2 stops39h 19mMultiple Airlines
Deal found 12/9$931
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Tue 12/305:17 amPHL - EZE
1 stop21h 13mMultiple Airlines
Fri 1/239:15 pmEZE - PHL
2 stops21h 34mMultiple Airlines
Deal found 12/9$939
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/315:17 amPHL - EZE
1 stop26h 18mMultiple Airlines
Wed 1/219:15 pmEZE - PHL
2 stops21h 34mMultiple Airlines
Deal found 12/9$944
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Tue 12/305:17 amPHL - EZE
1 stop21h 13mMultiple Airlines
Sat 1/245:35 amEZE - PHL
2 stops26h 36mMultiple Airlines
Deal found 12/9$951
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Tue 12/305:17 amPHL - EZE
1 stop21h 13mMultiple Airlines
Wed 1/219:15 pmEZE - PHL
2 stops21h 34mMultiple Airlines
Deal found 12/9$956
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Thu 12/1110:22 amPHL - EZE
2 stops34h 09mMultiple Airlines
Wed 12/1710:45 pmEZE - PHL
1 stop26h 49mMultiple Airlines
Deal found 12/10$962
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
Fri 12/127:42 pmPHL - EZE
1 stop21h 33mMultiple Airlines
Sun 12/1410:45 pmEZE - PHL
1 stop19h 53mMultiple Airlines
Deal found 12/8$976
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Tue 12/305:35 pmPHL - EZE
1 stop14h 00mMultiple Airlines
Sun 1/253:55 pmEZE - PHL
2 stops33h 23mMultiple Airlines
Deal found 12/9$986

Find flight deals from Philadelphia to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$811
(Kiwi.com)

One-way from

$332
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,541
Provider with most accurate pricing for Philadelphia-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Buenos Aires (BUE) flights.
Search Deals
From Philadelphia to Buenos Aires (BUE)
Search Deals
One-way flight from Philadelphia to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($28 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 Philadelphia 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 December 12, 2025.
Use the filters below to find and compare flights from Philadelphia to Buenos Aires that are best for you.

Fly from

Philadelphia

Fly to

Buenos Aires

Route

Depart

Return

Price

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Mon 1/12

10:10 am-4:30 am

1 stop16h 20m

Buenos Aires Ministro Pistarini

Mon 2/9

4:55 pm-5:07 pm

2 stops26h 12m

$811

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Wed 1/7

5:17 am-10:20 am

2 stops27h 03m

Buenos Aires Ministro Pistarini

Wed 2/4

9:15 pm-4:49 pm

2 stops21h 34m

$823

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Wed 1/21

6:00 am-9:20 pm

3 stops37h 20m

Buenos Aires Jorge Newbery

Wed 2/18

12:50 pm-4:52 pm

3 stops30h 02m

$836

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Fri 1/23

9:52 am-7:15 pm

1 stop31h 23m

Buenos Aires Ministro Pistarini

Thu 1/29

5:25 am-4:49 pm

2 stops37h 24m

$839

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Tue 1/20

2:58 pm-9:35 am

1 stop16h 37m

Buenos Aires Ministro Pistarini

Mon 2/16

11:00 am-11:11 am

1 stop26h 11m

$839

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Mon 1/12

8:20 am-7:30 am

2 stops21h 10m

Buenos Aires Jorge Newbery

Fri 2/6

7:25 pm-4:49 pm

3 stops23h 24m

$859

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Mon 1/12

8:20 am-7:30 am

2 stops21h 10m

Buenos Aires Jorge Newbery

Mon 2/9

11:30 am-11:14 am

3 stops25h 44m

$889

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Wed 1/7

6:10 am-7:30 am

2 stops23h 20m

Buenos Aires Jorge Newbery

Wed 2/4

5:10 pm-8:01 pm

2 stops28h 51m

$900

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Wed 2/18

3:30 pm-3:10 pm

3 stops45h 40m

Buenos Aires Ministro Pistarini

Fri 3/6

4:45 pm-2:47 pm

2 stops24h 02m

$929

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Wed 1/21

6:00 am-5:50 am

2 stops21h 50m

Buenos Aires Ministro Pistarini

Tue 2/17

1:40 am-7:51 pm

2 stops20h 11m

$935

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 32 results
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Compare providers for flights from Philadelphia 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 Philadelphia to Buenos Aires in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Philadelphia-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Philadelphia-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-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 Philadelphia-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 Philadelphia to Buenos Aires

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

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

Currently, August is the cheapest month in which you can book a flight from Philadelphia to Buenos Aires (average of $632). Flying from Philadelphia to Buenos Aires in November is currently the most expensive (average of $800). 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 PHL to BUE?

Find hourly flight availability from Philadelphia 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 December 12, 2025.

When flying from Philadelphia 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 17% versus a flight 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 December 12, 2025.
Peruse reviews from past customers who have flown with Delta and American Airlines from Philadelphia to Buenos Aires to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

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
11,050 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

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 Philadelphia 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 Philadelphia to Buenos Aires?

    Located just 7.0 mi from the city center, Philadelphia is the airport most travelers will use when flying to Buenos Aires from Philadelphia. Booking flights from Philadelphia (PHL) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 2 different airlines.

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

    Flying on Delta is currently your cheapest option to Buenos Aires, with prices starting at $1,055. Another option worth looking into is American Airlines, starting at $1,205 round trip. Delta is priced at 28% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia 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 Philadelphia to Buenos Aires?

    Currently, August is the cheapest month in which you can book a flight from Philadelphia to Buenos Aires (average of $632). Flying from Philadelphia to Buenos Aires in November is currently the most expensive (average of $800). 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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Alternative routes for Philadelphia to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Philadelphia to Buenos Aires

Discover the top 2 airlines that operate flights from Philadelphia 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,055Average$1,465FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,205Average$1,503FlexibilityNo cancel feeOn-time71%

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