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Cheap flights from Philadelphia to Buenos Aires from $295

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 8/25. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
5:25 am - 4:30 am
PHL
-
EZE
22h 05m
1 stop
Multiple Airlines Logo
9:15 pm - 6:04 am
EZE
-
PHL
33h 49m
2 stops
$747Multiple Airlines
Sun, Sep 6 - Mon, Sep 14
Multiple Airlines Logo
4:47 pm - 7:15 pm
PHL
-
EZE
25h 28m
1 stop
Multiple Airlines Logo
9:15 pm - 6:04 am
EZE
-
PHL
33h 49m
2 stops
$778Multiple Airlines
Thu, Sep 10 - Mon, Sep 14
Multiple Airlines Logo
4:35 pm - 7:15 pm
PHL
-
EZE
25h 40m
1 stop
Multiple Airlines Logo
9:15 pm - 6:04 am
EZE
-
PHL
33h 49m
2 stops
$786Multiple Airlines
Tue, Sep 8 - Mon, Sep 14
Multiple Airlines Logo
5:25 am - 4:30 am
PHL
-
EZE
22h 05m
1 stop
Multiple Airlines Logo
4:00 am - 6:04 am
EZE
-
PHL
27h 04m
2 stops
$791Multiple Airlines
Sun, Sep 6 - Wed, Sep 9
Multiple Airlines Logo
5:25 am - 4:30 am
PHL
-
EZE
22h 05m
1 stop
Multiple Airlines Logo
6:35 am - 6:04 am
EZE
-
PHL
24h 29m
2 stops
$793Multiple Airlines
Sun, Sep 6 - Sat, Sep 19
Multiple Airlines Logo
4:47 pm - 7:15 pm
PHL
-
EZE
25h 28m
1 stop
Multiple Airlines Logo
4:45 am - 6:04 am
EZE
-
PHL
26h 19m
2 stops
$815Multiple Airlines
Thu, Sep 10 - Wed, Sep 23
Multiple Airlines Logo
4:35 pm - 7:15 pm
PHL
-
EZE
25h 40m
1 stop
Multiple Airlines Logo
9:15 pm - 6:04 am
EZE
-
PHL
33h 49m
2 stops
$818Multiple Airlines
Mon, Sep 7 - Mon, Sep 14
GOL Logo
11:05 am - 1:00 pm
PHL
-
AEP
24h 55m
2 stops
GOL Logo
3:40 am - 10:50 pm
AEP
-
PHL
20h 10m
2 stops
$1,026GOL
Thu, Sep 10 - Sun, Sep 20
GOL Logo
5:55 pm - 1:00 pm
PHL
-
AEP
18h 05m
2 stops
GOL Logo
3:40 am - 10:50 pm
AEP
-
PHL
20h 10m
2 stops
$1,111GOL
Sat, Sep 5 - Thu, Sep 10
Delta Logo
10:43 am - 7:40 am
PHL
-
AEP
19h 57m
2 stops
Delta Logo
8:05 pm - 4:11 pm
AEP
-
PHL
21h 06m
2 stops
$1,270Delta
Tue, Aug 11 - Thu, Aug 20

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Air Canada flights from Philadelphia to Buenos Aires

Our best Air Canada deals on Philadelphia to Buenos Aires flight tickets
Air Canada
Nov 21
PHL3:20 pmPhiladelphia
23h 50m
2 stops
AEP5:10 pmBuenos Aires Jorge Newbery
Nov 28
AEP1:50 pmBuenos Aires Jorge Newbery
26h 54m
2 stops
PHL2:44 pmPhiladelphia
$1,406
Air Canada
Jun 30
PHL10:05 amPhiladelphia
27h 25m
2 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Jul 27
EZE4:35 pmBuenos Aires Ministro Pistarini
47h 14m
3 stops
PHL2:49 pmPhiladelphia
$1,423
Air Canada
Nov 18
PHL9:15 amPhiladelphia
29h 55m
2 stops
AEP5:10 pmBuenos Aires Jorge Newbery
Nov 28
AEP1:50 pmBuenos Aires Jorge Newbery
26h 54m
2 stops
PHL2:44 pmPhiladelphia
$1,496

Avianca flights from Philadelphia to Buenos Aires

Our best Avianca deals on Philadelphia to Buenos Aires flight tickets
Avianca
Sep 4
PHL3:25 pmPhiladelphia
37h 15m
2 stops
AEP5:40 amBuenos Aires Jorge Newbery
Sep 13
AEP7:00 amBuenos Aires Jorge Newbery
32h 47m
2 stops
PHL2:47 pmPhiladelphia
$1,417
Avianca
Sep 11
PHL10:30 amPhiladelphia
18h 10m
2 stops
AEP5:40 amBuenos Aires Jorge Newbery
Sep 21
AEP7:00 amBuenos Aires Jorge Newbery
32h 47m
2 stops
PHL2:47 pmPhiladelphia
$1,418
Avianca
Sep 12
PHL3:25 pmPhiladelphia
37h 15m
2 stops
AEP5:40 amBuenos Aires Jorge Newbery
Sep 22
AEP7:00 amBuenos Aires Jorge Newbery
27h 43m
2 stops
PHL9:43 amPhiladelphia
$1,423

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 June 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

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Sun 9/6

5:25 am-4:30 am

1 stop22h 05m

Buenos Aires Ministro Pistarini

Mon 9/14

9:15 pm-6:04 am

2 stops33h 49m

$747

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Thu 9/10

4:47 pm-7:15 pm

1 stop25h 28m

Buenos Aires Ministro Pistarini

Mon 9/14

9:15 pm-6:04 am

2 stops33h 49m

$778

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Tue 9/8

4:35 pm-7:15 pm

1 stop25h 40m

Buenos Aires Ministro Pistarini

Mon 9/14

9:15 pm-6:04 am

2 stops33h 49m

$786

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Sun 9/6

5:25 am-4:30 am

1 stop22h 05m

Buenos Aires Ministro Pistarini

Wed 9/9

4:00 am-6:04 am

2 stops27h 04m

$791

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Sun 9/6

5:25 am-4:30 am

1 stop22h 05m

Buenos Aires Ministro Pistarini

Sat 9/19

6:35 am-6:04 am

2 stops24h 29m

$793

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Thu 9/10

4:47 pm-7:15 pm

1 stop25h 28m

Buenos Aires Ministro Pistarini

Wed 9/23

4:45 am-6:04 am

2 stops26h 19m

$815

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Mon 9/7

4:35 pm-7:15 pm

1 stop25h 40m

Buenos Aires Ministro Pistarini

Mon 9/14

9:15 pm-6:04 am

2 stops33h 49m

$818

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Thu 9/10

11:05 am-1:00 pm

2 stops24h 55m

Buenos Aires Jorge Newbery

Sun 9/20

3:40 am-10:50 pm

2 stops20h 10m

$1,026
Quickest round-trip

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Sat 9/5

5:55 pm-1:00 pm

2 stops18h 05m

Buenos Aires Jorge Newbery

Thu 9/10

3:40 am-10:50 pm

2 stops20h 10m

$1,111

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Tue 8/11

10:43 am-7:40 am

2 stops19h 57m

Buenos Aires Jorge Newbery

Thu 8/20

8:05 pm-4:11 pm

2 stops21h 06m

$1,270

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 December. Flight prices, which tend to average around $78, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of December, then book flights to Buenos Aires from Philadelphia during August instead. Flights to Buenos Aires in August, while not as cheap as those in December, still average around $261.

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

You could potentially save up to 25% 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

17h 33m

Direct flights

None
The fastest flight from Philadelphia to Buenos Aires takes 17h 33m
There are no direct flights from Philadelphia to Buenos Aires. There are no popular flight routes from Philadelphia to Buenos Aires.
Search flight deals

Frequently asked questions about flying from Philadelphia to Buenos Aires

  • How far is Philadelphia to Buenos Aires by plane?

    The distance between Philadelphia and Buenos Aires is about 5258.4 mi. 17h 33m 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 $1,005Free CancellationRating
7.8
8,455 reviews
Search Delta flights
American AirlinesPriceFrom $1,148Free CancellationRating
7.1
11,776 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