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$261+ Cheap flights from Pennsylvania 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BUE
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheap flight deals from Pennsylvania to Buenos Aires

Keep the following information in mind while searching for Pennsylvania to Buenos Aires flight deals. Data was last updated November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$637
(FlightHub)

One-way from

$261
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,364
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 Pennsylvania to Buenos Aires (BUE)
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One-way flight from Pennsylvania to Buenos Aires (BUE)
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Highest demand for flights based on searches. 0% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Pennsylvania to Buenos Aires

Cheapest flights from Pennsylvania to Buenos Aires
Explore the most affordable flight options available from Pennsylvania to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This FlightHub deal was found by Cheapflights users on 10/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/162:35 pmIAD - AEP
1 stop13h 05mAvianca
Sun 11/237:00 amAEP - IAD
1 stop23h 25mAvianca
Deal found 10/31$637
This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:45 amIAD - EZE
1 stop16h 50mAvianca
Mon 11/241:40 amEZE - IAD
2 stops26h 00mAvianca
Deal found 10/30$637
This LATAM Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 11/2512:11 pmIAD - AEP
2 stops20h 19mLATAM Airlines
Tue 12/23:40 pmAEP - IAD
2 stops21h 59mLATAM Airlines
Deal found 10/30$638
This Mytrip deal was found by Cheapflights users on 11/1. 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 11/34:30 amIAD - EZE
2 stops23h 20mAvianca
Sat 11/84:55 pmEZE - IAD
1 stop13h 30mAvianca
Deal found 11/1$638
This Delta deal was found by Cheapflights users on 10/31. 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 11/185:59 pmIAD - EZE
1 stop13h 01mDelta
Sat 11/228:55 pmEZE - IAD
1 stop14h 15mDelta
Deal found 10/31$640
This KAYAK deal was found by Cheapflights users on 11/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:13 amDCA - AEP
2 stops21h 17mLATAM Airlines
Tue 12/93:40 pmAEP - DCA
2 stops24h 19mLATAM Airlines
Deal found 11/1$640
This Delta deal was found by Cheapflights users on 10/30. 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.
Tue 11/184:10 pmDCA - EZE
1 stop14h 50mDelta
Thu 12/411:55 pmEZE - DCA
1 stop14h 47mDelta
Deal found 10/30$640
This FlightHub deal was found by Cheapflights users on 10/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:45 amIAD - AEP
1 stop21h 55mAvianca
Wed 12/37:00 amAEP - IAD
2 stops20h 40mAvianca
Deal found 10/31$642
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 11/55:29 pmIAD - EZE
2 stops14h 41mAmerican Airlines
Fri 11/79:40 pmEZE - IAD
2 stops23h 41mAmerican Airlines
Deal found 11/1$644
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 11/13:25 pmDCA - EZE
2 stops14h 40mAmerican Airlines
Sat 11/89:40 pmEZE - DCA
1 stop17h 02mAmerican Airlines
Deal found 10/30$644
This FlightHub deal was found by Cheapflights users on 11/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:45 amIAD - EZE
1 stop22h 05mAvianca
Fri 11/147:30 amEZE - IAD
2 stops20h 10mAvianca
Deal found 11/1$645
This FlightHub deal was found by Cheapflights users on 11/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:45 amIAD - AEP
1 stop21h 55mAvianca
Sun 11/167:00 amAEP - IAD
1 stop23h 25mAvianca
Deal found 11/1$647

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 November 2, 2025.
Use the filters below to find and compare flights from Pennsylvania to Buenos Aires that are best for you.

Fly from

Pennsylvania

Fly to

Buenos Aires

Route

Depart

Return

Price

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Sun 11/16

2:35 pm-5:40 am

1 stop13h 05m

Buenos Aires Jorge Newbery

Sun 11/23

7:00 am-4:25 am

1 stop23h 25m

$637

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 11/19

5:45 am-5:40 am

1 stop21h 55m

Buenos Aires Jorge Newbery

Tue 11/25

7:00 am-4:25 am

1 stop23h 25m

$637

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Sun 11/16

5:45 am-5:40 am

1 stop21h 55m

Buenos Aires Jorge Newbery

Tue 12/9

7:00 am-4:25 am

1 stop23h 25m

$637

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 11/27

3:35 pm-9:00 am

1 stop15h 25m

Buenos Aires Ministro Pistarini

Fri 12/5

10:25 pm-11:39 am

1 stop15h 14m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 11/6

12:55 pm-9:20 am

1 stop18h 25m

Buenos Aires Ministro Pistarini

Mon 11/10

11:55 pm-4:16 pm

1 stop18h 21m

$640

Washington, D.C.Buenos Aires

DCA - AEP

DCAAEP

Washington, D.C. Reagan-National

Wed 12/3

11:13 am-10:30 am

2 stops21h 17m

Buenos Aires Jorge Newbery

Tue 12/9

3:40 pm-1:59 pm

2 stops24h 19m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 11/26

5:59 pm-9:00 am

1 stop13h 01m

Buenos Aires Ministro Pistarini

Tue 12/2

8:55 pm-9:11 am

1 stop14h 16m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 11/6

6:00 am-7:20 am

1 stop23h 20m

Buenos Aires Ministro Pistarini

Sun 11/9

10:05 pm-11:28 am

1 stop15h 23m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 11/24

5:59 pm-9:00 am

1 stop13h 01m

Buenos Aires Ministro Pistarini

Fri 12/5

10:25 pm-11:39 am

1 stop15h 14m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 11/25

6:00 am-7:20 am

1 stop23h 20m

Buenos Aires Ministro Pistarini

Tue 12/2

10:05 pm-11:23 am

1 stop15h 18m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Pennsylvania 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 Pennsylvania to Buenos Aires

What is the cheapest month to book a flight from Pennsylvania to Buenos Aires?

Currently, March is the cheapest month in which you can book a flight from Pennsylvania to Buenos Aires (average of $912). Flying from Pennsylvania to Buenos Aires in September is currently the most expensive (average of $1,205). 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 PA to BUE?

Find hourly flight availability from Pennsylvania 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 November 2, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 18% on flights from Pennsylvania to Buenos Aires by exploring options for tickets in the evening.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Pennsylvania to Buenos Aires?

    Airlines like Avianca, Delta, and United Airlines fly from Pennsylvania to Buenos Aires in about 13h 05m. The time it takes to get you to your destination can typically vary by up to 5h 20m. There are 5219 mi between Pennsylvania and Buenos Aires. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with LATAM Airlines, which is currently one of the cheapest options available, starting at $275. United Airlines flights start at $275 while deals on Delta start at $275 one-way.

  • What are the most popular routes from Pennsylvania to Buenos Aires?

    The most popular route from Pennsylvania to Buenos Aires is New York John F Kennedy Intl - Buenos Aires Ministro Pistarini. You may also consider New York John F Kennedy Intl - Buenos Aires Jorge Newbery or New York LaGuardia - Buenos Aires Ministro Pistarini.

  • Can I find deals for flights from Pennsylvania to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Pennsylvania to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to Buenos Aires.

  • Can I find deals for business class flights from Pennsylvania to Buenos Aires?

    Yes. Cheapflights offers flight deals from Pennsylvania 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 Pennsylvania to Buenos Aires?

    Currently, March is the cheapest month in which you can book a flight from Pennsylvania to Buenos Aires (average of $912). Flying from Pennsylvania to Buenos Aires in September is currently the most expensive (average of $1,205). 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 Pennsylvania to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Miami to Ministro Pistarini flights
John F Kennedy Intl to Ministro Pistarini flights
John F Kennedy Intl to Jorge Newbery flights
Miami to Jorge Newbery flights
LaGuardia to Ministro Pistarini flights
Newark to Ministro Pistarini flights
Los Angeles to Ministro Pistarini flights
San Francisco to Ministro Pistarini flights
Los Angeles to Jorge Newbery flights
Dallas/Fort Worth to Ministro Pistarini flights
Dulles Intl to Ministro Pistarini flights
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Dulles Intl to Jorge Newbery flights
Atlanta to Ministro Pistarini flights
Newark to Jorge Newbery flights
Seattle to Jorge Newbery flights
Boston to Jorge Newbery flights
O'Hare Intl to Ministro Pistarini flights
George Bush Intcntl to Ministro Pistarini flights
Fort Lauderdale to Ministro Pistarini flights
Austin to Ministro Pistarini flights
Denver to Ministro Pistarini flights
Hobby to Jorge Newbery flights
Dallas/Fort Worth to Jorge Newbery flights
Orlando to Ministro Pistarini flights
Ontario to Ministro Pistarini flights
Austin to Jorge Newbery flights
Atlanta to Jorge Newbery flights
Denver to Jorge Newbery flights
San Diego to Ministro Pistarini flights
Orlando to Jorge Newbery flights
Tampa to Ministro Pistarini flights
Tampa to Jorge Newbery flights
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Top 2 airlines flying from Pennsylvania to Buenos Aires

Discover the top 2 airlines that operate flights from Pennsylvania 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,055Average$1,462FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,205Average$1,504FlexibilityNo cancel feeOn-time71%

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