HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$316+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BUE
Feb 10 — Feb 171
Tue 2/10
Tue 2/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Buenos Aires with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 11, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$789
(Kiwi.com)

One-way from

$316
(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

Find 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 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/9. 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 3/189:53 amPHL - EZE
2 stops23h 27mMultiple Airlines
Wed 3/2511:00 amEZE - PHL
1 stop15h 15mMultiple Airlines
Deal found 1/9$789
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 3/175:18 pmPHL - EZE
3 stops34h 52mMultiple Airlines
Wed 3/2511:00 amEZE - PHL
1 stop15h 15mMultiple Airlines
Deal found 1/9$792
This Kiwi.com deal was found by Cheapflights users on 1/9. 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.
Sun 3/19:28 pmPHL - EZE
1 stop29h 02mMultiple Airlines
Mon 3/97:30 amEZE - PHL
2 stops23h 41mMultiple Airlines
Deal found 1/9$803
This Kiwi.com deal was found by Cheapflights users on 1/10. 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 3/58:20 pmPHL - EZE
3 stops46h 40mMultiple Airlines
Sat 3/1411:00 amEZE - PHL
1 stop15h 15mMultiple Airlines
Deal found 1/10$807
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Sat 1/244:27 pmPHL - EZE
1 stop24h 48mMultiple Airlines
Thu 2/125:25 amEZE - PHL
2 stops35h 13mMultiple Airlines
Deal found 1/10$818
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Sat 1/244:27 pmPHL - EZE
1 stop24h 48mMultiple Airlines
Wed 2/119:15 pmEZE - PHL
2 stops23h 36mMultiple Airlines
Deal found 1/10$819
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Sat 1/244:27 pmPHL - EZE
1 stop24h 48mMultiple Airlines
Fri 2/62:40 amEZE - PHL
2 stops23h 50mMultiple Airlines
Deal found 1/10$827
This Avianca Connect deal was found by Cheapflights users on 1/10. 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 Avianca Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/259:53 amPHL - EZE
2 stops18h 57mMultiple Airlines
Sat 3/287:30 amEZE - PHL
2 stops22h 30mMultiple Airlines
Deal found 1/10$831
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Mon 1/262:55 pmPHL - EZE
1 stop16h 40mMultiple Airlines
Wed 2/119:15 pmEZE - PHL
2 stops23h 36mMultiple Airlines
Deal found 1/10$835
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Mon 1/262:55 pmPHL - EZE
1 stop16h 40mMultiple Airlines
Mon 2/91:40 amEZE - PHL
2 stops18h 04mMultiple Airlines
Deal found 1/10$842
This Mytrip deal was found by Cheapflights users on 1/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:45 amPHL - EZE
3 stops27h 15mMultiple Airlines
Mon 5/117:45 amEZE - PHL
3 stops40h 14mMultiple Airlines
Deal found 1/10$844
This Avianca Connect deal was found by Cheapflights users on 1/9. 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 Avianca Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:00 amPHL - AEP
2 stops23h 40mMultiple Airlines
Wed 3/257:00 amAEP - PHL
2 stops23h 00mMultiple Airlines
Deal found 1/9$869

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 11, 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 - EZE

PHLEZE

Philadelphia

Wed 3/18

9:53 am-10:20 am

2 stops23h 27m

Buenos Aires Ministro Pistarini

Wed 3/25

11:00 am-1:15 am

1 stop15h 15m

$789

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Sun 3/1

9:28 pm-4:30 am

1 stop29h 02m

Buenos Aires Ministro Pistarini

Mon 3/9

7:30 am-6:11 am

2 stops23h 41m

$803

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Wed 3/25

9:53 am-5:50 am

2 stops18h 57m

Buenos Aires Ministro Pistarini

Sat 3/28

7:30 am-5:00 am

2 stops22h 30m

$831

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Tue 1/27

2:58 pm-9:35 am

1 stop16h 37m

Buenos Aires Ministro Pistarini

Fri 2/6

2:40 am-12:30 am

2 stops23h 50m

$842

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Mon 1/26

2:55 pm-9:35 am

1 stop16h 40m

Buenos Aires Ministro Pistarini

Fri 2/6

2:40 am-12:30 am

2 stops23h 50m

$842

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Sun 3/22

5:00 am-5:50 am

2 stops23h 50m

Buenos Aires Ministro Pistarini

Sat 3/28

7:30 am-5:00 am

2 stops22h 30m

$853

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Tue 3/17

5:00 am-5:40 am

2 stops23h 40m

Buenos Aires Jorge Newbery

Wed 3/25

7:00 am-5:00 am

2 stops23h 00m

$869

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Tue 3/17

3:30 pm-3:10 pm

3 stops22h 40m

Buenos Aires Ministro Pistarini

Wed 3/25

4:45 pm-2:47 pm

3 stops47h 02m

$870

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Sun 3/22

5:00 am-5:40 am

2 stops23h 40m

Buenos Aires Jorge Newbery

Sat 3/28

7:00 am-5:00 am

2 stops23h 00m

$875

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Wed 3/25

5:00 am-5:40 am

2 stops23h 40m

Buenos Aires Jorge Newbery

Sat 3/28

7:00 am-5:00 am

2 stops23h 00m

$875

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

Showing 1-10 of 28 results
1
2
3

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
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, March is the cheapest month in which you can book a flight from Philadelphia to Buenos Aires (average of $617). 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 11, 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
8,038 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

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
8,038 reviews
Delta
7.9
Good
8,038 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

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
11,102 reviews
Delta
7.9
Good
8,038 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

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 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, March is the cheapest month in which you can book a flight from Philadelphia to Buenos Aires (average of $617). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Ministro Pistarini flights
John F Kennedy Intl to Jorge Newbery flights
LaGuardia to Ministro Pistarini flights
Newark to Ministro Pistarini flights
Dulles Intl to Ministro Pistarini flights
Dulles Intl to Jorge Newbery flights
Reagan-National to Ministro Pistarini flights
Newark to Jorge Newbery flights
Philadelphia to Ministro Pistarini flights
John F Kennedy Intl to Cordoba flights
John F Kennedy Intl to Mendoza flights
John F Kennedy Intl to Rosario flights
Pittsburgh to Ministro Pistarini flights
Reagan-National to Mendoza flights
Dulles Intl to Mendoza flights
Newark to Rosario flights
Newark to Mendoza flights
LaGuardia to Mendoza flights
John F Kennedy Intl to El Calafate flights
Dulles Intl to Cordoba flights
Reagan-National to Cordoba flights
Newark to Cordoba flights
John F Kennedy Intl to Ushuaia flights
John F Kennedy Intl to San Carlos de Bariloche flights
John F Kennedy Intl to Salta flights
Reagan-National to Rosario flights
Newark to Salta flights
Dulles Intl to Rosario flights
LaGuardia to Cordoba flights
Dulles Intl to San Carlos de Bariloche flights
John F Kennedy Intl to San Miguel de Tucumán flights
Dulles Intl to Ushuaia flights
John F Kennedy Intl to Puerto Iguazú flights
Dulles Intl to Salta flights
John F Kennedy Intl to Mar del Plata flights
Newark to El Calafate flights
Newark to San Juan flights
Newark to San Carlos de Bariloche flights
Allentown to Ministro Pistarini flights
Reagan-National to San Carlos de Bariloche flights
John F Kennedy Intl to San Martín de los Andes flights

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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,055Average$1,465FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,205Average$1,457FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.