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Buenos Aires

$315+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BUE
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
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 February 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/19. 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 4/126:15 am
PHL
-
EZE
2 stops20h 30m
Multiple Airlines
Fri 4/174:45 am
EZE
-
PHL
1 stop36h 22m
Multiple Airlines
Deal found 2/19$785
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/246:12 pm
PHL
-
EZE
1 stop14h 23m
Multiple Airlines
Tue 3/316:35 am
EZE
-
PHL
2 stops19h 40m
Multiple Airlines
Deal found 2/22$803
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 4/56:01 pm
PHL
-
EZE
2 stops32h 22m
Multiple Airlines
Tue 4/141:10 pm
EZE
-
PHL
1 stop25h 02m
Multiple Airlines
Deal found 2/22$811
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 4/56:01 pm
PHL
-
EZE
2 stops32h 22m
Multiple Airlines
Fri 4/101:10 pm
EZE
-
PHL
1 stop20h 46m
Multiple Airlines
Deal found 2/22$812
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 4/56:01 pm
PHL
-
EZE
2 stops32h 22m
Multiple Airlines
Mon 4/131:10 pm
EZE
-
PHL
1 stop25h 47m
Multiple Airlines
Deal found 2/22$819
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 4/107:41 pm
PHL
-
EZE
1 stop22h 34m
Multiple Airlines
Thu 4/165:00 am
EZE
-
PHL
2 stops21h 29m
Multiple Airlines
Deal found 2/19$821
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 5/234:13 pm
PHL
-
EZE
1 stop26h 02m
Multiple Airlines
Wed 6/34:45 am
EZE
-
PHL
2 stops19h 27m
Multiple Airlines
Deal found 2/22$826
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/316:12 pm
PHL
-
EZE
2 stops34h 58m
Multiple Airlines
Tue 4/141:10 pm
EZE
-
PHL
1 stop25h 02m
Multiple Airlines
Deal found 2/22$828
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/316:12 pm
PHL
-
EZE
2 stops34h 58m
Multiple Airlines
Fri 4/101:10 pm
EZE
-
PHL
1 stop20h 46m
Multiple Airlines
Deal found 2/22$829
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/316:12 pm
PHL
-
EZE
2 stops34h 58m
Multiple Airlines
Mon 4/131:10 pm
EZE
-
PHL
1 stop25h 47m
Multiple Airlines
Deal found 2/22$836
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 4/89:53 am
PHL
-
EZE
1 stop21h 42m
Multiple Airlines
Thu 4/165:00 am
EZE
-
PHL
2 stops21h 29m
Multiple Airlines
Deal found 2/19$858
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 4/97:41 pm
PHL
-
EZE
1 stop22h 34m
Multiple Airlines
Thu 4/165:00 am
EZE
-
PHL
2 stops21h 29m
Multiple Airlines
Deal found 2/19$861

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 February 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$774
(Kiwi.com)

One-way from

$315
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,411
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. 8% potential increase in price ($144 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 February 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 February 23, 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

Tue 4/7

2:09 pm-8:35 am

1 stop17h 26m

Buenos Aires Ministro Pistarini

Tue 4/14

5:00 am-1:12 pm

2 stops33h 12m

$876

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Tue 4/7

2:09 pm-8:35 am

1 stop17h 26m

Buenos Aires Ministro Pistarini

Wed 4/8

7:30 pm-12:03 pm

2 stops17h 33m

$948

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Mon 4/6

6:56 am-3:23 am

1 stop19h 27m

Buenos Aires Ministro Pistarini

Mon 4/13

9:15 pm-11:48 pm

2 stops27h 33m

$968

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Wed 4/1

4:25 pm-2:30 pm

2 stops21h 05m

Buenos Aires Ministro Pistarini

Mon 4/6

9:15 pm-4:48 pm

2 stops20h 33m

$1,029

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Fri 3/6

8:30 am-9:35 am

1 stop23h 05m

Buenos Aires Ministro Pistarini

Mon 4/27

7:21 pm-2:02 pm

2 stops19h 41m

$1,029

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Wed 3/11

7:25 am-6:40 pm

2 stops34h 15m

Buenos Aires Jorge Newbery

Sun 3/22

9:35 am-4:48 pm

3 stops32h 13m

$1,038

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Tue 4/7

2:09 pm-8:35 am

1 stop17h 26m

Buenos Aires Ministro Pistarini

Sat 4/11

5:00 am-12:55 am

2 stops20h 55m

$1,043

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Sun 4/5

8:16 pm-7:15 pm

1 stop21h 59m

Buenos Aires Ministro Pistarini

Tue 4/14

10:45 pm-1:12 pm

1 stop15h 27m

$1,049

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Fri 3/6

9:39 am-8:40 pm

3 stops33h 01m

Buenos Aires Jorge Newbery

Mon 4/27

4:15 am-8:11 pm

3 stops40h 56m

$1,062

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Fri 3/6

9:39 am-8:30 am

2 stops20h 51m

Buenos Aires Jorge Newbery

Sun 3/8

5:45 am-4:26 pm

3 stops35h 41m

$1,102

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 32 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub the most. FlightHub 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 $580). Flying from Philadelphia to Buenos Aires in July is currently the most expensive (average of $801). 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.

How much does it cost to fly round-trip from Philadelphia to Buenos Aires?

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 February 23, 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
8,236 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

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
8,236 reviews
Delta
7.9
Good
8,236 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

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
11,339 reviews
Delta
7.9
Good
8,236 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

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 $1,119, LATAM Airlines can have you in Buenos Aires from Philadelphia in 18h 31m. There are 5250 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, March is the cheapest month in which you can book a flight from Philadelphia to Buenos Aires (average of $580). Flying from Philadelphia to Buenos Aires in July is currently the most expensive (average of $801). 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.

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 February 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,055Average$1,505FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,205Average$1,475FlexibilityNo cancel feeOn-time71%

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