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$346+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BUE
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$873
(Mytrip)

One-way from

$346
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,523
Provider with most accurate pricing for Philadelphia-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Buenos Aires (BUE) flights.
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From Philadelphia to Buenos Aires (BUE)
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One-way flight from Philadelphia to Buenos Aires (BUE)
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/196:00 amPHL - AEP
2 stops30h 00mMultiple Airlines
Sun 6/13:30 amAEP - PHL
3 stops41h 55mMultiple Airlines
Deal found 4/16$873
This Mytrip deal was found by Cheapflights users on 4/17. 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.
Thu 4/247:05 amPHL - EZE
2 stops17h 20mMultiple Airlines
Tue 5/207:30 amEZE - PHL
3 stops40h 06mMultiple Airlines
Deal found 4/17$957
This StudentUniverse deal was found by Cheapflights users on 4/17. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:46 pmPHL - EZE
2 stops32h 26mCopa Airlines
Thu 7/315:03 amEZE - PHL
2 stops29h 52mCopa Airlines
Deal found 4/17$1,049
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:00 amPHL - EZE
1 stop18h 20mDelta
Wed 1/147:35 pmEZE - PHL
2 stops22h 09mDelta
Deal found 4/17$1,105
This LATAM Airlines deal was found by Cheapflights users on 4/16. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:00 pmPHL - AEP
2 stops19h 00mLATAM Airlines
Tue 11/43:40 pmAEP - PHL
2 stops22h 01mLATAM Airlines
Deal found 4/16$1,105
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:50 pmPHL - EZE
1 stop18h 20mAmerican Airlines
Thu 12/1110:50 pmEZE - PHL
1 stop23h 24mAmerican Airlines
Deal found 4/17$1,155
This Air Canada deal was found by Cheapflights users on 4/17. 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.
Mon 12/13:30 pmPHL - EZE
3 stops45h 55mAir Canada
Thu 12/115:00 pmEZE - PHL
2 stops23h 50mAir Canada
Deal found 4/17$1,182
This Gotogate deal was found by Cheapflights users on 4/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/203:30 pmPHL - AEP
2 stops23h 40mAir Canada
Thu 12/41:35 pmAEP - PHL
2 stops22h 16mAir Canada
Deal found 4/16$1,339
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:20 amPHL - EZE
1 stop24h 40mUnited Airlines
Thu 7/319:00 pmEZE - PHL
2 stops18h 29mUnited Airlines
Deal found 4/17$1,575
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/174:00 pmPHL - AEP
2 stops20h 15mDelta
Tue 11/46:20 amAEP - PHL
2 stops18h 37mDelta
Deal found 4/16$1,633
This Gurufare deal was found by Cheapflights users on 4/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/110:35 amPHL - EZE
2 stops23h 45mGOL
Wed 12/103:15 amEZE - PHL
2 stops20h 04mGOL
Deal found 4/17$1,641
This Gurufare deal was found by Cheapflights users on 4/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/63:56 pmPHL - AEP
2 stops20h 04mGOL
Sun 6/153:40 amAEP - PHL
2 stops20h 30mGOL
Deal found 4/17$1,868

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 April 17, 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 - AEP

PHLAEP

Philadelphia

Mon 5/19

6:00 am-1:00 pm

2 stops30h 00m

Buenos Aires Jorge Newbery

Sun 6/1

3:30 am-8:25 pm

3 stops41h 55m

$873

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Fri 7/25

6:46 pm-4:12 am

2 stops32h 26m

Buenos Aires Ministro Pistarini

Wed 7/30

2:13 am-9:55 am

2 stops32h 42m

$1,049

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Thu 5/15

6:00 am-8:25 pm

3 stops37h 25m

Buenos Aires Ministro Pistarini

Thu 5/22

6:40 am-1:41 pm

3 stops32h 01m

$1,090

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Fri 6/6

3:57 pm-9:45 am

1 stop16h 48m

Buenos Aires Ministro Pistarini

Mon 6/16

6:15 am-12:59 am

2 stops19h 44m

$1,340

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Fri 6/6

3:57 pm-2:00 pm

2 stops21h 03m

Buenos Aires Jorge Newbery

Mon 6/16

2:55 pm-11:04 am

2 stops21h 09m

$1,340

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Fri 6/6

7:30 am-2:30 pm

2 stops30h 00m

Buenos Aires Ministro Pistarini

Mon 6/16

4:35 pm-2:33 pm

3 stops22h 58m

$1,464

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Fri 7/25

6:20 am-8:00 am

1 stop24h 40m

Buenos Aires Ministro Pistarini

Thu 7/31

9:00 pm-2:29 pm

2 stops18h 29m

$1,575

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Fri 6/6

3:56 pm-1:00 pm

2 stops20h 04m

Buenos Aires Jorge Newbery

Sun 6/15

3:40 am-11:10 pm

2 stops20h 30m

$1,868

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Sat 6/7

3:45 pm-7:25 am

1 stop14h 40m

Buenos Aires Ministro Pistarini

Fri 6/13

8:30 pm-12:43 pm

2 stops17h 13m

$2,098

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Mon 6/16

4:05 pm-1:20 pm

2 stops20h 15m

Buenos Aires Jorge Newbery

Fri 6/27

2:40 pm-12:52 pm

2 stops23h 12m

$4,825

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 13 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Philadelphia-Buenos Aires flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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, 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 April 17, 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.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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 April 17, 2025.
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.6
Good
1,409 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,761 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
GOL
7.3
Good
1,059 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 Copa Airlines is currently your cheapest option to Buenos Aires, with prices starting at $1,168. Additional round-trip tickets that might be worth considering are offered by Delta and LATAM Airlines, with the lowest prices starting at $1,340 and $1,340, respectively. Copa Airlines is priced at 18% 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$762Average$1,539FlexibilityNo cancel feeOn-time71%
DeltaCheapest$953Average$1,653FlexibilityNo cancel feeOn-timeN/A

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