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Cheap flights from Philadelphia to Buenos Aires from $343

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 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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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
9:53 am - 8:30 am
PHL
-
AEP
21h 37m
2 stops
Multiple Airlines Logo
9:35 am - 4:48 pm
AEP
-
PHL
32h 13m
3 stops
$734Multiple Airlines
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
9:39 am - 10:20 am
PHL
-
EZE
23h 41m
2 stops
Multiple Airlines Logo
9:15 pm - 4:48 pm
EZE
-
PHL
20h 33m
2 stops
$735Multiple Airlines
Mon, Mar 9 - Wed, Mar 25
Multiple Airlines Logo
9:53 am - 8:30 am
PHL
-
AEP
21h 37m
2 stops
Multiple Airlines Logo
12:00 pm - 4:48 pm
AEP
-
PHL
29h 48m
3 stops
$763Multiple Airlines
Sat, Mar 21 - Wed, Mar 25
Multiple Airlines Logo
6:26 pm - 9:35 am
PHL
-
EZE
14h 09m
1 stop
Multiple Airlines Logo
5:35 am - 1:15 am
EZE
-
PHL
20h 40m
2 stops
$776Multiple Airlines
Wed, Mar 11 - Tue, Mar 24
Multiple Airlines Logo
9:53 am - 8:40 pm
PHL
-
AEP
33h 47m
3 stops
Multiple Airlines Logo
9:35 am - 4:48 pm
AEP
-
PHL
32h 13m
3 stops
$776Multiple Airlines
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
9:39 am - 10:20 am
PHL
-
EZE
23h 41m
2 stops
Multiple Airlines Logo
6:40 am - 4:48 pm
EZE
-
PHL
35h 08m
3 stops
$781Multiple Airlines
Wed, Mar 11 - Tue, Mar 24
Multiple Airlines Logo
9:53 am - 8:30 am
PHL
-
AEP
21h 37m
2 stops
Multiple Airlines Logo
8:05 pm - 4:48 pm
AEP
-
PHL
21h 43m
2 stops
$783Multiple Airlines
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
9:53 am - 8:40 pm
PHL
-
AEP
33h 47m
3 stops
Multiple Airlines Logo
6:40 am - 4:48 pm
AEP
-
PHL
35h 08m
3 stops
$801Multiple Airlines
Sat, Mar 21 - Wed, Mar 25
Multiple Airlines Logo
7:30 am - 4:35 am
PHL
-
EZE
19h 05m
2 stops
Multiple Airlines Logo
10:45 pm - 1:15 am
EZE
-
PHL
27h 30m
1 stop
$810Multiple Airlines
Mon, Feb 23 - Tue, Mar 17
Multiple Airlines Logo
9:39 am - 10:20 am
PHL
-
EZE
23h 41m
2 stops
Multiple Airlines Logo
1:40 am - 7:57 pm
EZE
-
PHL
19h 17m
2 stops
$813Multiple Airlines
Wed, Mar 11 - Mon, Mar 23

LATAM Airlines flights from Philadelphia to Buenos Aires

Our best LATAM Airlines deals on Philadelphia to Buenos Aires flight tickets
LATAM Airlines
May 15
PHL6:22 pmPhiladelphia
24h 18m
2 stops
AEP7:40 pmBuenos Aires Jorge Newbery
May 24
AEP8:05 pmBuenos Aires Jorge Newbery
18h 14m
2 stops
PHL1:19 pmPhiladelphia
$1,369
LATAM Airlines
May 17
PHL7:44 pmPhiladelphia
20h 16m
2 stops
AEP5:00 pmBuenos Aires Jorge Newbery
May 28
AEP2:55 pmBuenos Aires Jorge Newbery
21h 03m
2 stops
PHL10:58 amPhiladelphia
$1,377
LATAM Airlines
Mar 6
PHL2:31 pmPhiladelphia
22h 09m
2 stops
AEP2:40 pmBuenos Aires Jorge Newbery
Mar 16
AEP3:40 pmBuenos Aires Jorge Newbery
21h 02m
2 stops
PHL11:42 amPhiladelphia
$1,439

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 February 16, 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

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Mon 3/16

9:53 am-8:30 am

2 stops21h 37m

Buenos Aires Jorge Newbery

Mon 3/23

9:35 am-4:48 pm

3 stops32h 13m

$734

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Mon 3/9

9:39 am-10:20 am

2 stops23h 41m

Buenos Aires Ministro Pistarini

Wed 3/25

9:15 pm-4:48 pm

2 stops20h 33m

$735

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Sat 3/21

9:53 am-8:30 am

2 stops21h 37m

Buenos Aires Jorge Newbery

Wed 3/25

12:00 pm-4:48 pm

3 stops29h 48m

$763

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Wed 3/11

6:26 pm-9:35 am

1 stop14h 09m

Buenos Aires Ministro Pistarini

Tue 3/24

5:35 am-1:15 am

2 stops20h 40m

$776

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Mon 3/16

9:53 am-8:40 pm

3 stops33h 47m

Buenos Aires Jorge Newbery

Mon 3/23

9:35 am-4:48 pm

3 stops32h 13m

$776

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Wed 3/11

9:39 am-10:20 am

2 stops23h 41m

Buenos Aires Ministro Pistarini

Tue 3/24

6:40 am-4:48 pm

3 stops35h 08m

$781

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Mon 3/16

9:53 am-8:30 am

2 stops21h 37m

Buenos Aires Jorge Newbery

Mon 3/23

8:05 pm-4:48 pm

2 stops21h 43m

$783

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Sat 3/21

9:53 am-8:40 pm

3 stops33h 47m

Buenos Aires Jorge Newbery

Wed 3/25

6:40 am-4:48 pm

3 stops35h 08m

$801

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Mon 2/23

7:30 am-4:35 am

2 stops19h 05m

Buenos Aires Ministro Pistarini

Tue 3/17

10:45 pm-1:15 am

1 stop27h 30m

$810

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Wed 3/11

9:39 am-10:20 am

2 stops23h 41m

Buenos Aires Ministro Pistarini

Mon 3/23

1:40 am-7:57 pm

2 stops19h 17m

$813

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 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 $1,315.

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

You could potentially save up to 39% 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

15h 22m

Direct flights

None
The fastest flight from Philadelphia to Buenos Aires takes 15h 22m
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. 15h 22m 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
8,206 reviews
Search Delta flights
American AirlinesPriceFrom $1,205Free CancellationRating
7.2
11,294 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