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$421+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BUE
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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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 August 18, 2025.

Round-trip from

$828
(Mytrip)

One-way from

$421
(Avianca Connect)

Popular in

June

Cheapest in

November

Average price

$1,760
From Philadelphia to Buenos Aires (BUE)
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One-way flight from Philadelphia to Buenos Aires (BUE)
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Highest demand for flights based on searches. 5% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 18, 2025.

This Avianca Connect deal was found by Cheapflights users on 8/17. 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.
Thu 11/135:15 amPHL - EZE
2 stops22h 35mMultiple Airlines
Sat 11/224:55 pmEZE - PHL
2 stops17h 52mMultiple Airlines
Deal found 8/17$890
This Avianca Connect deal was found by Cheapflights users on 8/17. 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 10/15:00 amPHL - EZE
2 stops23h 45mMultiple Airlines
Mon 10/131:40 amEZE - PHL
2 stops22h 56mMultiple Airlines
Deal found 8/17$935
This Avianca Connect deal was found by Cheapflights users on 8/16. 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.
Sun 11/24:03 pmPHL - EZE
2 stops21h 47mMultiple Airlines
Fri 11/72:40 amEZE - PHL
2 stops23h 52mMultiple Airlines
Deal found 8/16$958
This Avianca Connect deal was found by Cheapflights users on 8/17. 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.
Thu 11/135:15 amPHL - AEP
2 stops22h 25mMultiple Airlines
Sat 11/227:00 amAEP - PHL
2 stops18h 36mMultiple Airlines
Deal found 8/17$958
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 10/37:15 amPHL - EZE
1 stop33h 00mMultiple Airlines
Sun 10/121:40 amEZE - PHL
2 stops32h 12mMultiple Airlines
Deal found 8/17$963
This Air Canada deal was found by Cheapflights users on 8/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/303:25 pmPHL - EZE
3 stops46h 05mAir Canada
Sat 10/114:35 pmEZE - PHL
2 stops23h 03mAir Canada
Deal found 8/17$972
This Air Canada deal was found by Cheapflights users on 8/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/39:20 amPHL - EZE
3 stops28h 10mAir Canada
Mon 10/134:35 pmEZE - PHL
3 stops30h 03mAir Canada
Deal found 8/17$979
This Mytrip deal was found by Cheapflights users on 8/17. 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.
Mon 9/159:50 pmPHL - EZE
2 stops28h 55mMultiple Airlines
Mon 9/229:15 pmEZE - PHL
3 stops27h 32mMultiple Airlines
Deal found 8/17$1,003
This Ovago deal was found by Cheapflights users on 8/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/44:21 pmPHL - EZE
2 stops19h 39mGOL
Wed 9/103:40 amEZE - PHL
2 stops19h 35mGOL
Deal found 8/16$1,024
This Mytrip deal was found by Cheapflights users on 8/17. 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.
Mon 9/155:30 amPHL - AEP
3 stops35h 00mMultiple Airlines
Mon 9/227:00 amAEP - PHL
2 stops27h 46mMultiple Airlines
Deal found 8/17$1,068
This Mytrip deal was found by Cheapflights users on 8/17. 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.
Mon 8/259:59 pmPHL - AEP
3 stops42h 21mMultiple Airlines
Sun 8/315:45 amAEP - PHL
3 stops29h 01mMultiple Airlines
Deal found 8/17$1,081
This LATAM Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 12/245:50 pmPHL - AEP
2 stops22h 50mLATAM Airlines
Wed 12/315:15 pmAEP - PHL
2 stops18h 54mLATAM Airlines
Deal found 8/17$1,155

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 August 18, 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 9/15

5:00 am-5:45 am

2 stops23h 45m

Buenos Aires Ministro Pistarini

Sun 9/21

1:40 am-8:55 pm

2 stops20h 15m

$850

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Thu 11/13

5:15 am-5:50 am

2 stops22h 35m

Buenos Aires Ministro Pistarini

Sat 11/22

4:55 pm-8:47 am

2 stops17h 52m

$890

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Thu 2/12

3:30 pm-3:10 pm

2 stops21h 40m

Buenos Aires Ministro Pistarini

Sun 2/22

4:45 pm-2:47 pm

2 stops24h 02m

$906

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Wed 10/1

5:00 am-5:45 am

2 stops23h 45m

Buenos Aires Ministro Pistarini

Tue 10/14

4:45 pm-8:50 am

2 stops17h 05m

$911

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Fri 10/3

5:00 am-5:45 am

2 stops23h 45m

Buenos Aires Ministro Pistarini

Sun 10/12

1:40 am-8:57 pm

2 stops20h 17m

$938

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Sun 11/2

5:25 am-5:50 am

2 stops22h 25m

Buenos Aires Ministro Pistarini

Sat 11/8

4:55 pm-8:50 am

2 stops17h 55m

$944

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Thu 11/13

5:15 am-5:40 am

2 stops22h 25m

Buenos Aires Jorge Newbery

Sat 11/22

7:00 am-11:36 pm

2 stops18h 36m

$958

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Thu 1/8

6:15 am-5:40 am

2 stops21h 25m

Buenos Aires Jorge Newbery

Sun 1/25

7:00 am-8:50 am

2 stops27h 50m

$1,041

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Mon 9/15

5:30 am-5:30 pm

3 stops35h 00m

Buenos Aires Jorge Newbery

Mon 9/22

7:00 am-9:46 am

2 stops27h 46m

$1,068

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Thu 1/1

6:15 am-5:40 am

2 stops21h 25m

Buenos Aires Jorge Newbery

Sat 1/17

7:00 am-11:36 pm

2 stops18h 36m

$1,104

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 22 results
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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, April is the cheapest month in which you can book a flight from Philadelphia to Buenos Aires (average of $795). Flying from Philadelphia to Buenos Aires in December is currently the most expensive (average of $1,260). 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 August 18, 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 at noon, which can drop the price by up to 26% 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 August 18, 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
8.0
Very good
7,981 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $906, Air Canada can have you in Buenos Aires from Philadelphia in 21h 40m. There are 5266 mi between Philadelphia and Buenos Aires.

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

    Flying on American Airlines is currently your cheapest option to Buenos Aires, with prices starting at $803. Another option worth looking into is Delta, starting at $1,153 round trip. American Airlines is priced at 45% 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, April is the cheapest month in which you can book a flight from Philadelphia to Buenos Aires (average of $795). Flying from Philadelphia to Buenos Aires in December is currently the most expensive (average of $1,260). 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$803Average$1,507FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,153Average$1,680FlexibilityNo cancel feeOn-timeN/A

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