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Cheap flights from Philadelphia to Buenos Aires from $331

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Buenos Aires departing on 5/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Philadelphia to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:32 pm - 9:20 am
PHL
-
EZE
14h 48m
1 stop
Multiple Airlines Logo
5:00 am - 12:45 am
EZE
-
PHL
20h 45m
2 stops
$847Multiple Airlines
Tue, May 26 - Sat, May 30
Multiple Airlines Logo
7:41 pm - 3:23 am
PHL
-
EZE
30h 42m
2 stops
Multiple Airlines Logo
4:45 am - 2:02 pm
EZE
-
PHL
34h 17m
2 stops
$852Multiple Airlines
Thu, Apr 9 - Mon, Apr 27
Multiple Airlines Logo
5:45 am - 8:30 am
PHL
-
AEP
25h 45m
2 stops
Multiple Airlines Logo
4:40 am - 11:45 pm
AEP
-
PHL
20h 05m
2 stops
$856Multiple Airlines
Mon, May 11 - Mon, May 18
Multiple Airlines Logo
5:45 am - 3:23 am
PHL
-
EZE
20h 38m
2 stops
Multiple Airlines Logo
1:10 pm - 12:45 am
EZE
-
PHL
36h 35m
1 stop
$858Multiple Airlines
Mon, May 11 - Mon, May 18
Multiple Airlines Logo
5:32 pm - 9:20 am
PHL
-
EZE
14h 48m
1 stop
Multiple Airlines Logo
5:00 am - 12:45 am
EZE
-
PHL
20h 45m
2 stops
$861Multiple Airlines
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
5:32 pm - 3:23 am
PHL
-
EZE
32h 51m
2 stops
Multiple Airlines Logo
1:10 pm - 12:45 am
EZE
-
PHL
36h 35m
1 stop
$871Multiple Airlines
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
7:00 am - 12:05 am
PHL
-
EZE
16h 05m
1 stop
Multiple Airlines Logo
7:21 pm - 12:45 am
EZE
-
PHL
30h 24m
2 stops
$878Multiple Airlines
Wed, May 27 - Sun, May 31
Multiple Airlines Logo
6:48 am - 5:05 am
PHL
-
EZE
21h 17m
3 stops
Multiple Airlines Logo
4:50 pm - 11:37 pm
EZE
-
PHL
31h 47m
2 stops
$879Multiple Airlines
Thu, Apr 9 - Mon, Apr 27
Multiple Airlines Logo
5:32 pm - 3:23 am
PHL
-
EZE
32h 51m
2 stops
Multiple Airlines Logo
9:15 pm - 4:12 pm
EZE
-
PHL
19h 57m
1 stop
$887Multiple Airlines
Sun, May 31 - Wed, Jul 1
Multiple Airlines Logo
11:59 pm - 7:40 pm
PHL
-
EZE
42h 41m
2 stops
Multiple Airlines Logo
9:15 pm - 4:14 pm
EZE
-
PHL
19h 59m
1 stop
$893Multiple Airlines
Thu, May 14 - Wed, May 27

Avianca flights from Philadelphia to Buenos Aires

Our best Avianca deals on Philadelphia to Buenos Aires flight tickets
Avianca
May 31
PHL3:25 pmPhiladelphia
37h 15m
2 stops
AEP5:40 amBuenos Aires Jorge Newbery
Jun 27
AEP7:00 amBuenos Aires Jorge Newbery
27h 45m
2 stops
PHL9:45 amPhiladelphia
$1,569
Avianca
May 27
PHL6:10 amPhiladelphia
22h 30m
2 stops
AEP5:40 amBuenos Aires Jorge Newbery
Jul 6
AEP7:00 amBuenos Aires Jorge Newbery
27h 45m
2 stops
PHL9:45 amPhiladelphia
$1,615
Avianca
Apr 9
PHL7:45 pmPhiladelphia
32h 55m
2 stops
EZE5:40 amBuenos Aires Ministro Pistarini
Apr 12
EZE1:35 amBuenos Aires Ministro Pistarini
37h 35m
2 stops
PHL2:10 pmPhiladelphia
$1,769

United Airlines flights from Philadelphia to Buenos Aires

Our best United Airlines deals on Philadelphia to Buenos Aires flight tickets
United Airlines
Apr 9
PHL12:55 pmPhiladelphia
18h 05m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Apr 13
EZE9:00 pmBuenos Aires Ministro Pistarini
22h 59m
1 stop
PHL6:59 pmPhiladelphia
$1,947
United Airlines
Apr 9
PHL8:00 amPhiladelphia
23h 00m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Apr 13
EZE9:00 pmBuenos Aires Ministro Pistarini
15h 43m
1 stop
PHL11:43 amPhiladelphia
$2,347

momondo 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, momondo users made 832,500 searches. Data last updated March 28, 2026.
Use the filters below to find and compare flights from Philadelphia to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Tue 5/26

5:32 pm-9:20 am

1 stop14h 48m

Buenos Aires Ministro Pistarini

Sat 5/30

5:00 am-12:45 am

2 stops20h 45m

$847

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Thu 4/9

7:41 pm-3:23 am

2 stops30h 42m

Buenos Aires Ministro Pistarini

Mon 4/27

4:45 am-2:02 pm

2 stops34h 17m

$852

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Mon 5/11

5:45 am-8:30 am

2 stops25h 45m

Buenos Aires Jorge Newbery

Mon 5/18

4:40 am-11:45 pm

2 stops20h 05m

$856

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Mon 5/11

5:45 am-3:23 am

2 stops20h 38m

Buenos Aires Ministro Pistarini

Mon 5/18

1:10 pm-12:45 am

1 stop36h 35m

$858

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Thu 5/7

5:32 pm-9:20 am

1 stop14h 48m

Buenos Aires Ministro Pistarini

Thu 5/14

5:00 am-12:45 am

2 stops20h 45m

$861

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Thu 5/7

5:32 pm-3:23 am

2 stops32h 51m

Buenos Aires Ministro Pistarini

Thu 5/14

1:10 pm-12:45 am

1 stop36h 35m

$871

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Wed 5/27

7:00 am-12:05 am

1 stop16h 05m

Buenos Aires Ministro Pistarini

Sun 5/31

7:21 pm-12:45 am

2 stops30h 24m

$878

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Thu 4/9

6:48 am-5:05 am

3 stops21h 17m

Buenos Aires Ministro Pistarini

Mon 4/27

4:50 pm-11:37 pm

2 stops31h 47m

$879

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Sun 5/31

5:32 pm-3:23 am

2 stops32h 51m

Buenos Aires Ministro Pistarini

Wed 7/1

9:15 pm-4:12 pm

1 stop19h 57m

$887

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Thu 5/14

11:59 pm-7:40 pm

2 stops42h 41m

Buenos Aires Ministro Pistarini

Wed 5/27

9:15 pm-4:14 pm

1 stop19h 59m

$893

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Philadelphia to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Philadelphia and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Philadelphia is in January. Flight prices, which tend to average around $1,243, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Buenos Aires from Philadelphia during March instead. Flights to Buenos Aires in March, while not as cheap as those in January, still average around $1,255.

Can stopping save me money on Philadelphia to Buenos Aires flights?

You could potentially save up to 35% on your flight if you consider stops on a Philadelphia to Buenos Aires flight.

When to book flights from Philadelphia to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Buenos Aires (PHL to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Buenos Aires

Fastest flight time

14h 48m

Direct flights

None
The fastest flight from Philadelphia to Buenos Aires takes 14h 48m
There are no direct flights from Philadelphia to Buenos Aires. There are no popular flight routes from Philadelphia to Buenos Aires.
Search flight deals

  • How far is Philadelphia to Buenos Aires by plane?

    The distance between Philadelphia and Buenos Aires is about 5258.4 mi. 14h 48m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Philadelphia Airport to Buenos Aires?

    Prices for flights from Philadelphia Airport to Buenos Aires refresh daily.

  • How many operators does momondo search for flights from Philadelphia Airport to Buenos Aires?

  • How old do you have to be to fly from Philadelphia Airport to Buenos Aires?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Philadelphia to Buenos Aires?

Best airlines flying from Philadelphia to Buenos Aires

Compare and see reviews for airlines that fly from Philadelphia to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $1,055Free CancellationRating
7.9
8,356 reviews
Search Delta flights
American AirlinesPriceFrom $1,205Free CancellationRating
7.1
11,520 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Buenos Aires?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Philadelphia to Buenos Aires. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Philadelphia to Buenos Aires with flexible booking policies on momondo?

momondo does allow users to show only those flights to Buenos Aires from Philadelphia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Philadelphia to Buenos Aires?

momondo provides multiple filters to help you find the best flight to Buenos Aires from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Philadelphia to Buenos Aires right now. Can momondo alert me if prices change?

Price alerts on flights to Buenos Aires from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport