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$411+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BUE
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$912
(Air Canada)

One-way from

$411
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,560
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 May 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 mayo 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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. 6/36:00 amPHL - AEP
3 stops34h 20mMultiple Airlines
dom. 6/223:40 amAEP - PHL
2 stops29h 08mMultiple Airlines
Deal found 4/30$851
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
mar. 6/38:00 amPHL - EZE
2 stops18h 58mMultiple Airlines
lun. 6/234:25 amEZE - PHL
1 stop14h 38mMultiple Airlines
Deal found 4/30$884
This Air Canada deal was found by Cheapflights users on 4/30. 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.
vie. 8/293:20 pmPHL - EZE
2 stops22h 10mAir Canada
sáb. 9/64:35 pmEZE - PHL
2 stops23h 03mAir Canada
Deal found 4/30$906
This Copa Airlines deal was found by Cheapflights users on 4/29. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/136:15 amPHL - EZE
2 stops17h 43mCopa Airlines
mar. 5/202:32 pmEZE - PHL
2 stops20h 13mCopa Airlines
Deal found 4/29$1,068
This LATAM Airlines deal was found by Cheapflights users on 4/30. 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.
mar. 12/3011:00 amPHL - EZE
2 stops17h 15mLATAM Airlines
mié. 1/1410:02 amEZE - PHL
2 stops34h 17mLATAM Airlines
Deal found 4/30$1,105
This American Airlines deal was found by Cheapflights users on 4/30. 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.
mar. 12/301:35 pmPHL - EZE
2 stops15h 30mAmerican Airlines
mié. 1/1411:35 pmEZE - PHL
1 stop14h 48mAmerican Airlines
Deal found 4/30$1,110
This Delta deal was found by Cheapflights users on 4/30. 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.
sáb. 10/188:25 amPHL - EZE
2 stops20h 30mDelta
mié. 11/58:55 pmEZE - PHL
1 stop14h 32mDelta
Deal found 4/30$1,155
This LATAM Airlines deal was found by Cheapflights users on 4/30. 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.
sáb. 10/186:15 amPHL - AEP
2 stops28h 45mLATAM Airlines
mié. 11/55:10 pmAEP - PHL
2 stops27h 10mLATAM Airlines
Deal found 4/30$1,155
This United Airlines deal was found by Cheapflights users on 4/30. 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.
sáb. 10/186:03 pmPHL - EZE
1 stop36h 57mUnited Airlines
mié. 11/511:55 pmEZE - PHL
1 stop24h 30mUnited Airlines
Deal found 4/30$1,169
This Gurufare deal was found by Cheapflights users on 4/30. 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.
dom. 5/114:00 pmPHL - AEP
2 stops20h 00mGOL
dom. 5/253:40 amAEP - PHL
2 stops21h 11mGOL
Deal found 4/30$1,216
This Air Canada deal was found by Cheapflights users on 4/30. 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.
dom. 5/114:50 pmPHL - AEP
2 stops23h 30mAir Canada
lun. 5/261:40 pmAEP - PHL
2 stops21h 40mAir Canada
Deal found 4/30$1,539
This Ovago deal was found by Cheapflights users on 4/30. 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.
lun. 12/81:48 pmPHL - EZE
2 stops20h 32mGOL
mié. 12/173:15 amEZE - PHL
2 stops20h 22mGOL
Deal found 4/30$1,568

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 mayo 1, 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

mar. 6/3

6:00 am-5:20 pm

3 stops34h 20m

Buenos Aires Jorge Newbery

dom. 6/22

3:40 am-7:48 am

2 stops29h 08m

$851

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

mar. 6/3

8:00 am-3:58 am

2 stops18h 58m

Buenos Aires Ministro Pistarini

lun. 6/23

4:25 am-6:03 pm

1 stop14h 38m

$884

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

vie. 8/29

3:20 pm-2:30 pm

2 stops22h 10m

Buenos Aires Ministro Pistarini

sáb. 9/6

4:35 pm-2:38 pm

2 stops23h 03m

$906

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

mar. 5/13

6:15 am-12:58 am

2 stops17h 43m

Buenos Aires Ministro Pistarini

mar. 5/20

2:32 pm-9:45 am

2 stops20h 13m

$1,068

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

sáb. 10/18

8:25 am-5:55 am

2 stops20h 30m

Buenos Aires Ministro Pistarini

mié. 11/5

8:55 pm-9:27 am

1 stop14h 32m

$1,155

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

sáb. 10/18

6:15 am-12:00 pm

2 stops28h 45m

Buenos Aires Jorge Newbery

mié. 11/5

5:10 pm-6:20 pm

2 stops27h 10m

$1,155

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

sáb. 10/18

6:03 pm-8:00 am

1 stop36h 57m

Buenos Aires Ministro Pistarini

mié. 11/5

11:55 pm-10:25 pm

1 stop24h 30m

$1,169

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

dom. 5/11

4:00 pm-1:00 pm

2 stops20h 00m

Buenos Aires Jorge Newbery

dom. 5/25

3:40 am-11:51 pm

2 stops21h 11m

$1,216

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

vie. 8/29

10:21 am-6:10 am

2 stops18h 49m

Buenos Aires Ministro Pistarini

vie. 9/5

3:55 am-12:27 am

2 stops21h 32m

$1,363

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

dom. 5/11

4:50 pm-5:20 pm

2 stops23h 30m

Buenos Aires Jorge Newbery

lun. 5/26

1:40 pm-10:20 am

2 stops21h 40m

$1,539

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 12 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 May.
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 mayo 1, 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 mayo 1, 2025.
To help decide which airline to fly from Philadelphia to Buenos Aires, see what other customers have to say about Delta, LATAM Airlines and Copa Airlines. 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
7,934 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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
1,767 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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
7.5
Good
1,415 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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
1,068 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

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 3 different airlines.

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

    Flying on Air Canada is currently your cheapest option to Buenos Aires, with prices starting at $912. Additional round-trip tickets that might be worth considering are offered by Copa Airlines and GOL, with the lowest prices starting at $982 and $1,216, respectively. Air Canada is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Philadelphia to Buenos Aires one-way?

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as $503. Users have also found prices from $615 and $908 on Air Canada and Delta, respectively.

  • 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 3 airlines flying from Philadelphia to Buenos Aires

Discover the top 3 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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$803Average$1,536FlexibilityNo cancel feeOn-time71%
DeltaCheapest$953Average$1,680FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,299Average$1,653FlexibilityNo cancel feeOn-time69%

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