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$268+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BUE
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$618
(Cheapflightsfares)

One-way from

$268
(Cheapflightsfares)

Popular in

December

Cheapest in

January

Average price

$1,557
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 ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:35 pmIAD - EZE
1 stop13h 15mAvianca
Wed 11/124:55 pmEZE - IAD
1 stop22h 20mAvianca
Deal found 9/16$618
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:10 pmIAD - EZE
1 stop31h 10mUnited Airlines
Thu 11/610:05 pmEZE - IAD
1 stop15h 23mUnited Airlines
Deal found 9/15$619
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amDCA - EZE
1 stop23h 20mUnited Airlines
Thu 11/610:05 pmEZE - DCA
1 stop17h 44mUnited Airlines
Deal found 9/15$619
This Avianca deal was found by Cheapflights users on 9/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:45 amIAD - EZE
1 stop22h 05mAvianca
Tue 12/94:55 pmEZE - IAD
1 stop13h 30mAvianca
Deal found 9/16$625
This Copa Airlines deal was found by Cheapflights users on 9/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/52:25 amIAD - EZE
1 stop21h 09mCopa Airlines
Mon 10/203:47 amEZE - IAD
1 stop21h 43mCopa Airlines
Deal found 9/16$627
This FlightHub deal was found by Cheapflights users on 9/14. 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 10/67:35 pmDCA - EZE
2 stops17h 20mLATAM Airlines
Tue 10/216:13 pmEZE - DCA
2 stops20h 32mLATAM Airlines
Deal found 9/14$627
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:45 amIAD - EZE
1 stop22h 05mAvianca
Mon 12/11:40 amEZE - IAD
1 stop13h 35mAvianca
Deal found 9/13$628
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/295:30 amIAD - EZE
2 stops23h 20mAvianca
Tue 11/41:40 amEZE - IAD
2 stops27h 30mAvianca
Deal found 9/14$631
This Flysmarter deal was found by Cheapflights users on 9/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:35 pmIAD - EZE
1 stop13h 15mAvianca
Thu 11/67:35 amEZE - IAD
2 stops20h 05mAvianca
Deal found 9/15$634
This Flysmarter deal was found by Cheapflights users on 9/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/304:00 amIAD - AEP
2 stops24h 40mAvianca
Thu 11/67:00 amAEP - IAD
1 stop23h 25mAvianca
Deal found 9/15$635
This Avianca deal was found by Cheapflights users on 9/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:45 amIAD - EZE
1 stop22h 05mAvianca
Mon 11/107:35 amEZE - IAD
2 stops20h 05mAvianca
Deal found 9/14$636
This LATAM Airlines deal was found by Cheapflights users on 9/15. 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 10/75:52 pmIAD - AEP
2 stops23h 43mLATAM Airlines
Fri 10/175:05 pmAEP - IAD
2 stops18h 06mLATAM Airlines
Deal found 9/15$639

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 September 16, 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 - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 12/4

1:13 am-10:31 pm

1 stop19h 18m

Buenos Aires Ministro Pistarini

Tue 12/9

2:32 pm-3:22 am

1 stop14h 50m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 10/27

3:35 pm-5:50 am

1 stop13h 15m

Buenos Aires Ministro Pistarini

Tue 11/11

7:35 am-1:40 am

2 stops20h 05m

$638

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Mon 12/8

10:08 am-6:40 pm

2 stops30h 32m

Buenos Aires Jorge Newbery

Thu 12/11

8:25 pm-11:39 am

2 stops17h 14m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 10/26

7:59 pm-10:15 am

1 stop13h 16m

Buenos Aires Ministro Pistarini

Mon 11/10

8:55 pm-9:10 am

1 stop14h 15m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 11/4

6:00 am-7:20 am

1 stop23h 20m

Buenos Aires Ministro Pistarini

Tue 11/11

10:05 pm-11:28 am

1 stop15h 23m

$639

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Thu 10/30

3:33 pm-4:00 pm

2 stops23h 27m

Buenos Aires Jorge Newbery

Thu 11/6

8:25 pm-11:57 am

2 stops17h 32m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 10/21

5:52 pm-1:55 pm

2 stops19h 03m

Buenos Aires Ministro Pistarini

Sun 10/26

10:25 pm-11:57 am

1 stop14h 32m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 11/3

6:00 am-7:20 am

1 stop23h 20m

Buenos Aires Ministro Pistarini

Mon 11/10

10:05 pm-11:28 am

1 stop15h 23m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 10/30

7:59 pm-10:15 am

1 stop13h 16m

Buenos Aires Ministro Pistarini

Wed 11/12

8:55 pm-5:04 pm

1 stop22h 09m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 12/7

6:00 am-7:20 am

1 stop23h 20m

Buenos Aires Ministro Pistarini

Thu 12/11

10:05 pm-4:18 pm

1 stop20h 13m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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, April is the cheapest month in which you can book a flight from Pennsylvania to Buenos Aires (average of $795). Flying from Pennsylvania 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 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 September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to Buenos Aires as you normally would.

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 Copa Airlines, Avianca, and LATAM Airlines fly from Pennsylvania to Buenos Aires in about 13h 15m. The time it takes to get you to your destination can typically vary by up to 17h 17m. There are 5235 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 Avianca, which is currently one of the cheapest options available, starting at $268. Copa Airlines flights start at $272 while deals on LATAM Airlines 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 Newark - 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, April is the cheapest month in which you can book a flight from Pennsylvania to Buenos Aires (average of $795). Flying from Pennsylvania 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

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.
John F Kennedy Intl to Ministro Pistarini flights
Miami to Ministro Pistarini flights
John F Kennedy Intl to Jorge Newbery flights
Newark to Ministro Pistarini flights
LaGuardia to Ministro Pistarini flights
Miami to Jorge Newbery flights
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Los Angeles to Jorge Newbery flights
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Dulles Intl to Jorge Newbery flights
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Boston to Jorge Newbery flights
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George Bush Intcntl to Ministro Pistarini flights
Seattle to Ministro Pistarini flights
Dallas/Fort Worth to Jorge Newbery flights
Austin to Ministro Pistarini flights
Seattle to Jorge Newbery flights
Atlanta to Jorge Newbery flights
Denver to Ministro Pistarini flights
Orlando to Jorge Newbery flights
Ontario to Ministro Pistarini flights
Hobby to Jorge Newbery flights
Tampa to Ministro Pistarini flights
Austin to Jorge Newbery flights
Minneapolis to Ministro Pistarini flights
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Minneapolis to Jorge Newbery flights
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Fort Lauderdale to Jorge Newbery flights

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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$874Average$1,360FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,040Average$1,434FlexibilityNo cancel feeOn-timeN/A

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