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Buenos Aires

$251+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BUE
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/233:35 pm
IAD
-
EZE
1 stop13h 15m
Avianca
Wed 4/14:50 pm
EZE
-
IAD
1 stop13h 30m
Avianca
Deal found 1/28$601
This United Airlines deal was found by Cheapflights users on 1/28. 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 4/511:05 am
DCA
-
EZE
1 stop19h 55m
United Airlines
Tue 4/219:00 pm
EZE
-
DCA
1 stop22h 50m
United Airlines
Deal found 1/28$601
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:45 am
IAD
-
EZE
1 stop32h 05m
Avianca
Thu 4/27:10 am
EZE
-
IAD
1 stop23h 10m
Avianca
Deal found 1/28$603
This Mytrip deal was found by Cheapflights users on 1/27. 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 5/206:50 am
IAD
-
EZE
1 stop21h 55m
Avianca
Tue 5/267:10 am
EZE
-
IAD
2 stops20h 35m
Avianca
Deal found 1/27$604
This American Airlines deal was found by Cheapflights users on 1/28. 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 4/159:19 am
IAD
-
EZE
2 stops19h 41m
American Airlines
Wed 4/2210:20 pm
EZE
-
IAD
2 stops26h 39m
American Airlines
Deal found 1/28$605
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Thu 4/91:44 pm
DCA
-
EZE
2 stops15h 16m
American Airlines
Mon 4/2010:20 pm
EZE
-
DCA
1 stop15h 23m
American Airlines
Deal found 1/28$605
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/163:35 pm
IAD
-
EZE
1 stop23h 05m
Avianca
Sun 5/317:10 am
EZE
-
IAD
1 stop23h 10m
Avianca
Deal found 1/28$606
This Flysmarter deal was found by Cheapflights users on 1/27. 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.
Sun 6/147:00 am
IAD
-
EZE
1 stop21h 45m
Avianca
Sat 8/84:45 pm
EZE
-
IAD
2 stops24h 10m
Avianca
Deal found 1/27$607
This Avianca deal was found by Cheapflights users on 1/27. 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.
Tue 5/53:35 pm
IAD
-
AEP
1 stop13h 05m
Avianca
Tue 5/197:00 am
AEP
-
IAD
2 stops20h 45m
Avianca
Deal found 1/27$608
This KAYAK deal was found by Cheapflights users on 1/28. 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.
Mon 3/166:00 am
IAD
-
EZE
1 stop25h 20m
Avianca
Thu 3/199:05 pm
EZE
-
IAD
1 stop15h 21m
Avianca
Deal found 1/28$608
This Copa Airlines deal was found by Cheapflights users on 1/28. 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 4/52:21 am
IAD
-
EZE
1 stop19h 04m
Copa Airlines
Sun 4/192:57 pm
EZE
-
IAD
1 stop14h 25m
Copa Airlines
Deal found 1/28$609
This Avianca deal was found by Cheapflights users on 1/27. 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.
Sun 3/223:35 pm
IAD
-
EZE
1 stop13h 15m
Avianca
Tue 3/314:45 pm
EZE
-
IAD
1 stop13h 50m
Avianca
Deal found 1/27$611

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$601
(Gotogate)

One-way from

$251
(Priceline)

Popular in

June

Cheapest in

January

Average price

$1,243
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
Highest demand for flights based on searches. 5% potential increase in price ($90 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 January 2026
Search Deals

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 January 29, 2026.
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

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 4/5

11:05 am-8:00 am

1 stop19h 55m

Buenos Aires Ministro Pistarini

Tue 4/21

9:00 pm-6:50 pm

1 stop22h 50m

$601

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 5/20

6:50 am-5:45 am

1 stop21h 55m

Buenos Aires Ministro Pistarini

Tue 5/26

7:10 am-2:45 am

2 stops20h 35m

$604

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 5/7

2:21 am-2:30 am

1 stop23h 09m

Buenos Aires Ministro Pistarini

Mon 5/18

5:25 am-4:21 am

1 stop23h 56m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 5/19

2:21 am-10:25 pm

1 stop19h 04m

Buenos Aires Ministro Pistarini

Tue 5/26

5:25 am-4:21 am

1 stop23h 56m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 4/8

8:30 am-8:00 am

1 stop22h 30m

Buenos Aires Ministro Pistarini

Tue 4/21

9:00 pm-10:44 pm

1 stop26h 44m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 4/5

2:21 am-10:25 pm

1 stop19h 04m

Buenos Aires Ministro Pistarini

Sun 4/19

2:57 pm-4:22 am

1 stop14h 25m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 4/7

6:00 am-8:00 am

1 stop25h 00m

Buenos Aires Ministro Pistarini

Tue 4/21

9:00 pm-10:44 pm

1 stop26h 44m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 4/5

6:00 am-8:00 am

1 stop25h 00m

Buenos Aires Ministro Pistarini

Tue 4/21

9:00 pm-10:44 pm

1 stop26h 44m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 4/6

6:00 am-8:00 am

1 stop25h 00m

Buenos Aires Ministro Pistarini

Tue 4/21

9:00 pm-10:44 pm

1 stop26h 44m

$609

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 3/8

11:00 am-6:20 am

1 stop18h 20m

Buenos Aires Ministro Pistarini

Tue 4/21

9:00 pm-4:04 pm

1 stop20h 04m

$611

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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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 $949). Flying from Pennsylvania to Buenos Aires in June is currently the most expensive (average of $1,185). 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.

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 United Airlines, Avianca, and Copa Airlines fly from Pennsylvania to Buenos Aires in about 19h 55m. The time it takes to get you to your destination can typically vary by up to 3h 14m. There are 5222 mi between Pennsylvania and Buenos Aires. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $949). Flying from Pennsylvania to Buenos Aires in June is currently the most expensive (average of $1,185). 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

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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
LaGuardia to Ministro Pistarini flights
Miami to Jorge Newbery flights
Newark to Ministro Pistarini flights
Dallas/Fort Worth to Ministro Pistarini flights
Los Angeles to Ministro Pistarini flights
Dulles Intl to Ministro Pistarini flights
Dallas/Fort Worth to Jorge Newbery flights
San Francisco to Ministro Pistarini flights
Hobby to Ministro Pistarini flights
Reagan-National to Ministro Pistarini flights
Atlanta to Ministro Pistarini flights
Dulles Intl to Jorge Newbery flights
Los Angeles to Jorge Newbery flights
Baltimore to Ministro Pistarini flights
Fort Lauderdale to Ministro Pistarini flights
Seattle to Ministro Pistarini flights
Newark to Jorge Newbery flights
San Francisco to Jorge Newbery flights
Boston to Ministro Pistarini flights
O'Hare Intl to Ministro Pistarini flights
George Bush Intcntl to Ministro Pistarini flights
Boston to Jorge Newbery flights
Orlando to Ministro Pistarini flights
Seattle to Jorge Newbery flights
Austin to Ministro Pistarini flights
Orlando to Jorge Newbery flights
Denver to Ministro Pistarini flights
Hobby to Jorge Newbery flights
Midway to Ministro Pistarini flights
Austin to Jorge Newbery flights
Atlanta to Jorge Newbery flights
Ontario to Ministro Pistarini flights
Love Field to Ministro Pistarini flights
Sky Harbor Intl to Ministro Pistarini flights
George Bush Intcntl to Jorge Newbery flights
Raleigh to Ministro Pistarini flights
Tampa to Ministro Pistarini flights
Fort Lauderdale to Jorge Newbery flights
Salt Lake City to Ministro Pistarini flights
Miami to Cordoba flights
Tampa to Jorge Newbery flights
Denver to Jorge Newbery flights
Philadelphia to Ministro Pistarini 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,040Average$1,325FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,205Average$1,455FlexibilityNo cancel feeOn-time71%

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