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$252+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BUE
Feb 24 — Mar 31
Tue 2/24
Tue 3/3
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 January 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/24. 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 3/109:39 am
PHL
-
EZE
2 stops17h 27m
Multiple Airlines
Tue 3/1711:00 am
EZE
-
PHL
1 stop15h 15m
Multiple Airlines
Deal found 1/24$744
This Mytrip deal was found by Cheapflights users on 1/23. 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.
Wed 3/255:00 am
PHL
-
AEP
3 stops34h 00m
Multiple Airlines
Mon 3/309:35 am
AEP
-
PHL
3 stops32h 13m
Multiple Airlines
Deal found 1/23$790
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 4/82:09 pm
PHL
-
EZE
1 stop28h 06m
Multiple Airlines
Mon 4/136:50 am
EZE
-
PHL
2 stops34h 20m
Multiple Airlines
Deal found 1/24$799
This Mytrip deal was found by Cheapflights users on 1/23. 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.
Wed 3/259:53 am
PHL
-
EZE
2 stops23h 27m
Multiple Airlines
Mon 3/3012:22 pm
EZE
-
PHL
3 stops29h 26m
Multiple Airlines
Deal found 1/23$810
This lol.travel deal was found by Cheapflights users on 1/24. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/83:30 pm
PHL
-
EZE
2 stops22h 00m
Air Canada
Mon 4/134:30 pm
EZE
-
PHL
3 stops47h 16m
Air Canada
Deal found 1/24$823
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
Sun 2/18:00 am
PHL
-
EZE
1 stop33h 15m
Multiple Airlines
Tue 2/107:30 am
EZE
-
PHL
2 stops35h 45m
Multiple Airlines
Deal found 1/24$834
This Avianca Connect deal was found by Cheapflights users on 1/24. 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 Avianca Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:30 am
PHL
-
EZE
2 stops22h 20m
Multiple Airlines
Mon 3/21:40 am
EZE
-
PHL
2 stops20h 12m
Multiple Airlines
Deal found 1/24$862
This Mytrip deal was found by Cheapflights users on 1/24. 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.
Tue 3/106:00 am
PHL
-
AEP
3 stops33h 00m
Multiple Airlines
Tue 3/1710:10 pm
AEP
-
PHL
3 stops27h 06m
Multiple Airlines
Deal found 1/24$916
This Gotogate deal was found by Cheapflights users on 1/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:25 pm
PHL
-
AEP
2 stops27h 05m
Multiple Airlines
Mon 4/137:40 pm
AEP
-
PHL
2 stops45h 04m
Multiple Airlines
Deal found 1/24$1,210
This KAYAK deal was found by Cheapflights users on 1/24. 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 9/42:27 pm
PHL
-
AEP
2 stops19h 03m
LATAM Airlines
Fri 9/118:05 pm
AEP
-
PHL
2 stops18h 02m
LATAM Airlines
Deal found 1/24$1,211
This Booking.com deal was found by Cheapflights users on 1/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:25 pm
PHL
-
AEP
2 stops23h 15m
Multiple Airlines
Wed 5/64:40 pm
AEP
-
PHL
2 stops23h 08m
Multiple Airlines
Deal found 1/24$1,264
This KAYAK deal was found by Cheapflights users on 1/23. 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 5/1512:02 pm
PHL
-
AEP
2 stops18h 38m
LATAM Airlines
Sun 5/248:05 pm
AEP
-
PHL
2 stops18h 21m
LATAM Airlines
Deal found 1/23$1,369

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 January 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$744
(Kiwi.com)

One-way from

$252
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,243
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 January 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 January 25, 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

Wed 3/25

5:00 am-4:00 pm

3 stops34h 00m

Buenos Aires Jorge Newbery

Mon 3/30

9:35 am-4:48 pm

3 stops32h 13m

$790

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Wed 4/8

2:09 pm-7:15 pm

1 stop28h 06m

Buenos Aires Ministro Pistarini

Mon 4/13

6:50 am-4:10 pm

2 stops34h 20m

$799

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Wed 3/25

9:53 am-10:20 am

2 stops23h 27m

Buenos Aires Ministro Pistarini

Mon 3/30

12:22 pm-4:48 pm

3 stops29h 26m

$810

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Wed 4/8

3:30 pm-2:30 pm

2 stops22h 00m

Buenos Aires Ministro Pistarini

Mon 4/13

4:30 pm-2:46 pm

3 stops47h 16m

$823

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Tue 3/10

6:00 am-6:05 am

3 stops23h 05m

Buenos Aires Ministro Pistarini

Tue 3/17

5:35 am-7:40 pm

3 stops39h 05m

$850

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Mon 3/2

9:00 pm-7:15 pm

1 stop20h 15m

Buenos Aires Ministro Pistarini

Mon 3/9

10:45 pm-4:26 pm

1 stop18h 41m

$877

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Sat 2/21

10:22 am-5:50 am

2 stops17h 28m

Buenos Aires Ministro Pistarini

Sat 2/28

5:35 am-5:22 pm

1 stop13h 47m

$883

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Sun 3/8

6:01 pm-9:35 am

1 stop14h 34m

Buenos Aires Ministro Pistarini

Sun 3/15

7:30 am-1:41 am

2 stops43h 11m

$895

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Fri 5/1

3:25 pm-2:30 pm

2 stops22h 05m

Buenos Aires Ministro Pistarini

Wed 5/6

4:35 pm-2:48 pm

2 stops23h 13m

$924

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Tue 3/10

6:00 am-4:00 pm

3 stops33h 00m

Buenos Aires Jorge Newbery

Tue 3/17

7:00 am-5:26 am

2 stops23h 26m

$951

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 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 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 Expedia the most. Expedia 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 $641). 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.

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 January 25, 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
8,111 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

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
8,111 reviews
Delta
7.9
Good
8,111 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

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
11,197 reviews
Delta
7.9
Good
8,111 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

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.

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

    For as low as $823, Air Canada can have you in Buenos Aires from Philadelphia in 22h. There are 5266 mi between Philadelphia and Buenos Aires.

  • 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, August is the cheapest month in which you can book a flight from Philadelphia to Buenos Aires (average of $641). 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 January 25, 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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