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Cheap flights from Philadelphia to Buenos Aires from $264

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 11/17. 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
8:51 pm - 5:10 amPHL-EZE
30h 19m3 stops
Multiple Airlines Logo
7:30 am - 11:46 pmEZE-PHL
42h 16m3 stops
$721Multiple Airlines
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Mon, Nov 17 - Mon, Dec 1
Multiple Airlines Logo
5:15 am - 5:10 amPHL-EZE
21h 55m3 stops
Multiple Airlines Logo
7:30 am - 11:16 pmEZE-PHL
41h 46m3 stops
$734Multiple Airlines
Find Deal
Tue, Dec 9 - Mon, Dec 15
Multiple Airlines Logo
6:00 am - 5:10 amPHL-EZE
21h 10m3 stops
Multiple Airlines Logo
7:30 am - 11:46 pmEZE-PHL
42h 16m3 stops
$737Multiple Airlines
Find Deal
Sun, Nov 16 - Mon, Nov 24
Multiple Airlines Logo
5:15 am - 5:50 amPHL-EZE
22h 35m2 stops
Multiple Airlines Logo
7:30 am - 10:09 pmEZE-PHL
16h 39m2 stops
$750Multiple Airlines
Find Deal
Tue, Dec 9 - Mon, Dec 15
Air Canada Logo
3:30 pm - 3:10 pmPHL-EZE
22h 40m2 stops
Air Canada Logo
4:45 pm - 2:47 pmEZE-PHL
23h 02m2 stops
$861Air Canada
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Sun, Mar 8 - Sun, Mar 22
Air Canada Logo
3:30 pm - 3:10 pmPHL-EZE
22h 40m2 stops
Air Canada Logo
4:35 pm - 2:46 pmEZE-PHL
47h 11m3 stops
$862Air Canada
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Fri, Mar 27 - Sat, Apr 4
Air Canada Logo
3:30 pm - 3:10 pmPHL-EZE
22h 40m3 stops
Air Canada Logo
4:45 pm - 2:47 pmEZE-PHL
23h 02m2 stops
$867Air Canada
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Sun, Mar 8 - Sun, Mar 22
LATAM Airlines Logo
10:21 am - 7:55 amPHL-AEP
20h 34m2 stops
LATAM Airlines Logo
11:30 am - 12:03 pmAEP-PHL
25h 33m2 stops
$956LATAM Airlines
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Tue, Mar 10 - Tue, Mar 24
LATAM Airlines Logo
10:30 am - 10:30 amPHL-AEP
22h 00m2 stops
LATAM Airlines Logo
3:40 pm - 11:11 amAEP-PHL
21h 31m2 stops
$986LATAM Airlines
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Mon, Jan 12 - Wed, Jan 21
LATAM Airlines Logo
4:59 pm - 6:40 pmPHL-AEP
23h 41m2 stops
LATAM Airlines Logo
5:15 pm - 1:24 pmAEP-PHL
22h 09m2 stops
$990LATAM Airlines
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Tue, Feb 3 - Sat, Feb 14

LATAM Airlines flights from Philadelphia to Buenos Aires

Our best LATAM Airlines deals on Philadelphia to Buenos Aires flight tickets
LATAM Airlines
Mar 10
PHL10:21 amPhiladelphia
20h 34m
2 stops
AEP7:55 amBuenos Aires Jorge Newbery
Mar 24
AEP11:30 amBuenos Aires Jorge Newbery
25h 33m
2 stops
PHL12:03 pmPhiladelphia
$956
Find similar
LATAM Airlines
Jan 12
PHL10:30 amPhiladelphia
22h 00m
2 stops
AEP10:30 amBuenos Aires Jorge Newbery
Jan 21
AEP3:40 pmBuenos Aires Jorge Newbery
21h 31m
2 stops
PHL11:11 amPhiladelphia
$986
Find similar
LATAM Airlines
Feb 3
PHL4:59 pmPhiladelphia
23h 41m
2 stops
AEP6:40 pmBuenos Aires Jorge Newbery
Feb 14
AEP5:15 pmBuenos Aires Jorge Newbery
22h 09m
2 stops
PHL1:24 pmPhiladelphia
$990
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United Airlines flights from Philadelphia to Buenos Aires

Our best United Airlines deals on Philadelphia to Buenos Aires flight tickets
United Airlines
Nov 17
PHL10:34 amPhiladelphia
20h 46m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Dec 1
EZE11:55 pmBuenos Aires Ministro Pistarini
21h 13m
2 stops
PHL7:08 pmPhiladelphia
$960
Find similar
United Airlines
Nov 16
PHL5:58 pmPhiladelphia
35h 22m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Nov 24
EZE11:55 pmBuenos Aires Ministro Pistarini
24h 51m
1 stop
PHL10:46 pmPhiladelphia
$967
Find similar
United Airlines
Nov 15
PHL8:00 pmPhiladelphia
33h 20m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
Nov 25
EZE10:05 pmBuenos Aires Ministro Pistarini
15h 35m
1 stop
PHL11:40 amPhiladelphia
$1,010
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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 November 3, 2025.
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 - EZE

PHLEZE

Philadelphia

Mon 11/17

8:51 pm-5:10 am

3 stops30h 19m

Buenos Aires Ministro Pistarini

Mon 12/1

7:30 am-11:46 pm

3 stops42h 16m

$721

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Tue 12/9

5:15 am-5:10 am

3 stops21h 55m

Buenos Aires Ministro Pistarini

Mon 12/15

7:30 am-11:16 pm

3 stops41h 46m

$734

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Sun 11/16

6:00 am-5:10 am

3 stops21h 10m

Buenos Aires Ministro Pistarini

Mon 11/24

7:30 am-11:46 pm

3 stops42h 16m

$737

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Tue 12/9

5:15 am-5:50 am

2 stops22h 35m

Buenos Aires Ministro Pistarini

Mon 12/15

7:30 am-10:09 pm

2 stops16h 39m

$750

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Sun 3/8

3:30 pm-3:10 pm

2 stops22h 40m

Buenos Aires Ministro Pistarini

Sun 3/22

4:45 pm-2:47 pm

2 stops23h 02m

$861

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Fri 3/27

3:30 pm-3:10 pm

2 stops22h 40m

Buenos Aires Ministro Pistarini

Sat 4/4

4:35 pm-2:46 pm

3 stops47h 11m

$862

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

Sun 3/8

3:30 pm-3:10 pm

3 stops22h 40m

Buenos Aires Ministro Pistarini

Sun 3/22

4:45 pm-2:47 pm

2 stops23h 02m

$867

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Tue 3/10

10:21 am-7:55 am

2 stops20h 34m

Buenos Aires Jorge Newbery

Tue 3/24

11:30 am-12:03 pm

2 stops25h 33m

$956

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Mon 1/12

10:30 am-10:30 am

2 stops22h 00m

Buenos Aires Jorge Newbery

Wed 1/21

3:40 pm-11:11 am

2 stops21h 31m

$986

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

Tue 2/3

4:59 pm-6:40 pm

2 stops23h 41m

Buenos Aires Jorge Newbery

Sat 2/14

5:15 pm-1:24 pm

2 stops22h 09m

$990

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 July instead. Flights to Buenos Aires in July, while not as cheap as those in January, still average around $1,361.

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from Philadelphia is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,282. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Saturday is $1,532.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is at noon. Flights from Philadelphia to Buenos Aires during this time can be as low as $1,088. Try not to purchase tickets in the afternoon because they tend to be around $1,461. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 22% 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

Direct flights

None
There are no direct flights from Philadelphia to Buenos Aires. There are no popular flight routes from Philadelphia to Buenos Aires.
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  • How far is Philadelphia to Buenos Aires by plane?

    The distance between Philadelphia and Buenos Aires is about 5258.4 mi. 17h 40m 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
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $1,205Free CancellationRating
7.2
11,038 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