HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$270+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BUE
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania to Buenos Aires with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$621
(Mytrip)

One-way from

$270
(Delta)

Popular in

December

Cheapest in

November

Average price

$1,560
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 Pennsylvania to Buenos Aires (BUE)
Search Deals
One-way flight from Pennsylvania to Buenos Aires (BUE)
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 May 1, 2025.

This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:45 amIAD - EZE
2 stops17h 25mAvianca
Tue 10/71:40 amEZE - IAD
1 stop13h 20mAvianca
Deal found 4/29$619
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:00 amIAD - AEP
1 stop21h 40mAvianca
Wed 10/87:00 amAEP - IAD
2 stops22h 20mAvianca
Deal found 4/29$621
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.
Tue 12/26:30 amIAD - EZE
1 stop24h 50mUnited Airlines
Sun 12/1411:55 pmEZE - IAD
1 stop23h 17mUnited Airlines
Deal found 4/30$622
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.
Sun 10/266:00 amDCA - EZE
1 stop25h 20mUnited Airlines
Mon 11/1011:55 pmEZE - DCA
2 stops24h 21mUnited Airlines
Deal found 4/30$629
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:34 amIAD - EZE
1 stop17h 40mCopa Airlines
Wed 9/242:32 pmEZE - IAD
1 stop14h 50mCopa Airlines
Deal found 4/30$630
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/149:11 amIAD - EZE
2 stops22h 44mAmerican Airlines
Mon 5/199:15 pmEZE - IAD
2 stops20h 41mAmerican Airlines
Deal found 4/29$634
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.
Wed 5/143:54 pmDCA - EZE
2 stops16h 01mAmerican Airlines
Sun 5/189:15 pmEZE - DCA
1 stop22h 52mAmerican Airlines
Deal found 4/30$634
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.
Sun 10/59:00 amDCA - EZE
1 stop23h 45mDelta
Fri 10/176:40 amEZE - DCA
2 stops31h 17mDelta
Deal found 4/30$637
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.
Mon 8/1812:35 pmIAD - EZE
1 stop20h 10mDelta
Fri 8/298:10 pmEZE - IAD
1 stop21h 32mDelta
Deal found 4/30$658
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:00 amDCA - EZE
2 stops18h 15mLATAM Airlines
Fri 10/317:00 pmEZE - DCA
2 stops18h 57mLATAM Airlines
Deal found 4/30$683
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.
Tue 8/1912:35 pmIAD - AEP
2 stops25h 05mLATAM Airlines
Thu 10/28:40 amAEP - IAD
2 stops28h 10mLATAM Airlines
Deal found 4/30$687
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.
Thu 5/295:00 pmDCA - AEP
2 stops20h 40mLATAM Airlines
Tue 6/35:00 pmAEP - DCA
2 stops19h 00mLATAM Airlines
Deal found 4/30$687

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 May 1, 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

Wed 10/1

5:45 am-12:10 am

2 stops17h 25m

Buenos Aires Ministro Pistarini

Tue 10/7

1:40 am-2:00 pm

1 stop13h 20m

$619

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 10/1

7:00 am-5:40 am

1 stop21h 40m

Buenos Aires Jorge Newbery

Wed 10/8

7:00 am-4:20 am

2 stops22h 20m

$621

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 10/26

8:25 am-6:20 am

1 stop20h 55m

Buenos Aires Ministro Pistarini

Tue 11/11

11:55 pm-4:06 pm

1 stop18h 11m

$629

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 10/26

6:00 am-8:20 am

1 stop25h 20m

Buenos Aires Ministro Pistarini

Mon 11/10

11:55 pm-10:16 pm

2 stops24h 21m

$629

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 9/13

9:34 am-4:14 am

1 stop17h 40m

Buenos Aires Ministro Pistarini

Wed 9/24

2:32 pm-4:22 am

1 stop14h 50m

$630

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 5/14

9:11 am-8:55 am

2 stops22h 44m

Buenos Aires Ministro Pistarini

Mon 5/19

9:15 pm-4:56 pm

2 stops20h 41m

$634

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Wed 5/14

3:54 pm-8:55 am

2 stops16h 01m

Buenos Aires Ministro Pistarini

Sun 5/18

9:15 pm-7:07 pm

1 stop22h 52m

$634

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 10/5

9:00 am-9:45 am

1 stop23h 45m

Buenos Aires Ministro Pistarini

Fri 10/17

6:40 am-12:57 pm

2 stops31h 17m

$637

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 8/18

12:35 pm-9:45 am

1 stop20h 10m

Buenos Aires Ministro Pistarini

Fri 8/29

8:10 pm-4:42 pm

1 stop21h 32m

$658

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Tue 8/19

12:35 pm-2:40 pm

2 stops25h 05m

Buenos Aires Jorge Newbery

Thu 10/2

8:40 am-11:50 am

2 stops28h 10m

$687

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 results
1
2
3
...
6

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 May 1, 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.

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 May 1, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines and Copa Airlines from Pennsylvania to Buenos Aires to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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.
Aeromexico
7.5
Good
1,698 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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 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.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $270. Avianca flights start at $271 while deals on Copa 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.
Miami to Ministro Pistarini flights
John F Kennedy Intl to Ministro Pistarini flights
Miami to Jorge Newbery flights
John F Kennedy Intl to Jorge Newbery flights
Newark to Ministro Pistarini flights
LaGuardia to Ministro Pistarini flights
San Francisco to Ministro Pistarini flights
Hobby to Ministro Pistarini flights
Los Angeles to Ministro Pistarini flights
Dulles Intl to Ministro Pistarini flights
Los Angeles to Jorge Newbery flights
George Bush Intcntl to Ministro Pistarini flights
Reagan-National to Ministro Pistarini flights
O'Hare Intl to Ministro Pistarini flights
San Francisco to Jorge Newbery flights
Baltimore to Ministro Pistarini flights
Dulles Intl to Jorge Newbery flights
Atlanta to Ministro Pistarini flights
Dallas/Fort Worth to Ministro Pistarini flights
Seattle to Ministro Pistarini flights
Fort Lauderdale to Ministro Pistarini flights
Boston to Ministro Pistarini flights
Newark to Jorge Newbery flights
Boston to Jorge Newbery flights
Midway to Ministro Pistarini flights
Orlando to Ministro Pistarini flights
Dallas/Fort Worth to Jorge Newbery flights
Austin to Ministro Pistarini flights
Orlando to Jorge Newbery flights
Seattle to Jorge Newbery flights
Atlanta to Jorge Newbery flights
Hobby to Jorge Newbery flights
Austin to Jorge Newbery flights
Ontario to Ministro Pistarini flights
Salt Lake City to Ministro Pistarini flights
Denver to Ministro Pistarini flights
Tampa to Ministro Pistarini flights
Denver to Jorge Newbery flights
George Bush Intcntl to Jorge Newbery flights
Tampa to Jorge Newbery flights
Sky Harbor Intl to Ministro Pistarini flights
Portland to Ministro Pistarini flights
Love Field to Ministro Pistarini flights
Philadelphia to Ministro Pistarini flights
Miami to Mendoza flights

Top 3 airlines flying from Pennsylvania to Buenos Aires

Discover the top 3 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$803Average$1,377FlexibilityNo cancel feeOn-time71%
DeltaCheapest$953Average$1,525FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,299Average$1,653FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.