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$612+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BUE
mars 5 — mars 121
jeu. 3/5
jeu. 3/12
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 février 3, 2026.

This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/186:48 am
PHL
-
AEP
3 stops34h 52m
Multiple Airlines
jeu. 3/265:45 am
AEP
-
PHL
3 stops39h 12m
Multiple Airlines
Deal found 2/2$714
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/98:52 pm
PHL
-
EZE
2 stops30h 14m
Multiple Airlines
mer. 3/254:55 pm
EZE
-
PHL
2 stops24h 53m
Multiple Airlines
Deal found 2/2$760
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 3/196:48 am
PHL
-
AEP
3 stops27h 32m
Multiple Airlines
jeu. 3/265:45 am
AEP
-
PHL
3 stops39h 12m
Multiple Airlines
Deal found 2/2$760
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
mer. 3/186:12 pm
PHL
-
EZE
1 stop24h 03m
Multiple Airlines
jeu. 3/265:25 am
EZE
-
PHL
2 stops42h 34m
Multiple Airlines
Deal found 2/2$773
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/108:06 am
PHL
-
AEP
2 stops23h 24m
Multiple Airlines
lun. 3/235:45 am
AEP
-
PHL
3 stops39h 12m
Multiple Airlines
Deal found 2/2$809
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/107:46 pm
PHL
-
EZE
3 stops33h 19m
Multiple Airlines
lun. 3/237:30 am
EZE
-
PHL
2 stops34h 18m
Multiple Airlines
Deal found 2/2$816
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
jeu. 3/58:20 pm
PHL
-
EZE
1 stop20h 55m
Multiple Airlines
sam. 3/145:35 am
EZE
-
PHL
2 stops20h 40m
Multiple Airlines
Deal found 1/31$825
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
mer. 3/259:53 am
PHL
-
EZE
1 stop32h 22m
Multiple Airlines
jeu. 4/25:00 am
EZE
-
PHL
2 stops45h 22m
Multiple Airlines
Deal found 2/2$829
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
jeu. 3/196:12 pm
PHL
-
EZE
1 stop24h 03m
Multiple Airlines
jeu. 3/265:25 am
EZE
-
PHL
2 stops42h 34m
Multiple Airlines
Deal found 2/2$832
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/258:18 am
PHL
-
AEP
2 stops23h 12m
Multiple Airlines
jeu. 4/212:50 pm
AEP
-
PHL
3 stops28h 58m
Multiple Airlines
Deal found 2/2$865

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 février 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$714
(Mytrip)

One-way from

$612
(Air Canada)

Popular in

June

Cheapest in

January

Average price

$1,451
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. 5% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 février 3, 2026.
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 - AEP

PHLAEP

Philadelphia

mer. 3/18

6:48 am-6:40 pm

3 stops34h 52m

Buenos Aires Jorge Newbery

jeu. 3/26

5:45 am-7:57 pm

3 stops39h 12m

$714

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

jeu. 3/19

8:18 am-11:20 am

3 stops26h 02m

Buenos Aires Jorge Newbery

jeu. 3/26

5:15 pm-7:57 pm

2 stops27h 42m

$784

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

mer. 3/18

9:53 am-10:20 am

2 stops23h 27m

Buenos Aires Ministro Pistarini

jeu. 3/26

12:00 pm-7:57 pm

3 stops32h 57m

$801

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

mar. 3/10

8:06 am-8:30 am

2 stops23h 24m

Buenos Aires Jorge Newbery

lun. 3/23

5:45 am-7:57 pm

3 stops39h 12m

$809

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

jeu. 3/19

8:18 am-10:32 pm

3 stops37h 14m

Buenos Aires Ministro Pistarini

jeu. 3/26

12:00 pm-7:57 pm

3 stops32h 57m

$816

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

mar. 3/10

7:46 pm-6:05 am

3 stops33h 19m

Buenos Aires Ministro Pistarini

lun. 3/23

7:30 am-4:48 pm

2 stops34h 18m

$816

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

jeu. 3/5

8:20 pm-7:15 pm

1 stop20h 55m

Buenos Aires Ministro Pistarini

sam. 3/14

5:35 am-1:15 am

2 stops20h 40m

$825

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

mer. 3/25

9:53 am-7:15 pm

1 stop32h 22m

Buenos Aires Ministro Pistarini

jeu. 4/2

5:00 am-1:22 am

2 stops45h 22m

$829

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

lun. 3/9

6:00 am-6:20 am

3 stops23h 20m

Buenos Aires Ministro Pistarini

mer. 3/25

9:15 pm-4:48 pm

2 stops20h 33m

$846

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

mer. 5/6

9:00 am-7:15 pm

1 stop33h 15m

Buenos Aires Ministro Pistarini

mer. 5/13

4:45 am-1:17 pm

2 stops33h 32m

$847

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 26 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Buenos Aires flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, December is the cheapest month in which you can book a flight from Philadelphia to Buenos Aires (average of $642). 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.

How much does it cost to fly round-trip from Philadelphia 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 février 3, 2026.
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
8,138 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

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
8,138 reviews
Delta
7.9
Good
8,138 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

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
11,216 reviews
Delta
7.9
Good
8,138 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

Crew

8.5

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 29% 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, December is the cheapest month in which you can book a flight from Philadelphia to Buenos Aires (average of $642). 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 février 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,055Average$1,465FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,205Average$1,455FlexibilityNo cancel feeOn-time71%

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