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Cheap flights from Philadelphia to Buenos Aires from $321

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 10/3. 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

Multiple Airlines Logo
7:54 pm - 1:55 pmPHL-EZE
41h 01m3 stops
Multiple Airlines Logo
2:30 am - 11:59 pmEZE-PHL
22h 29m3 stops
$799Multiple Airlines
Find Deal
lun., oct. 13 - dom., oct. 19
Multiple Airlines Logo
5:33 am - 5:50 amPHL-EZE
23h 17m2 stops
Multiple Airlines Logo
4:55 pm - 8:50 amEZE-PHL
17h 55m2 stops
$817Multiple Airlines
Find Deal
jue., oct. 30 - jue., nov. 6
Multiple Airlines Logo
5:33 am - 5:50 amPHL-EZE
23h 17m2 stops
Multiple Airlines Logo
4:55 pm - 8:50 amEZE-PHL
17h 55m2 stops
$818Multiple Airlines
Find Deal
vie., oct. 31 - vie., nov. 7
Avianca Logo
10:15 am - 5:40 amPHL-AEP
18h 25m2 stops
Avianca Logo
7:00 am - 9:24 amAEP-PHL
27h 24m2 stops
$923Avianca
Find Deal
lun., mar. 16 - jue., mar. 19
Air Canada Logo
3:25 pm - 2:30 pmPHL-EZE
46h 05m3 stops
Air Canada Logo
4:35 pm - 9:38 pmEZE-PHL
30h 03m3 stops
$934Air Canada
Find Deal
mar., oct. 7 - jue., oct. 16
Avianca Logo
6:10 am - 5:40 amPHL-AEP
22h 30m2 stops
Avianca Logo
7:00 am - 1:51 pmAEP-PHL
31h 51m2 stops
$980Avianca
Find Deal
mié., mar. 11 - mar., mar. 24
Air Canada Logo
3:25 pm - 2:30 pmPHL-EZE
46h 05m3 stops
Air Canada Logo
4:35 pm - 10:29 pmEZE-PHL
30h 54m2 stops
$994Air Canada
Find Deal
mar., oct. 7 - jue., oct. 16
LATAM Airlines Logo
6:10 pm - 2:00 pmPHL-AEP
17h 50m2 stops
LATAM Airlines Logo
3:40 pm - 2:15 pmAEP-PHL
23h 35m2 stops
$1,105LATAM Airlines
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jue., mar. 5 - jue., mar. 19
LATAM Airlines Logo
6:10 pm - 4:00 pmPHL-AEP
19h 50m2 stops
LATAM Airlines Logo
11:30 am - 10:28 amAEP-PHL
24h 58m2 stops
$1,155LATAM Airlines
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mar., feb. 3 - sáb., feb. 14
GOL Logo
3:50 pm - 1:00 pmPHL-AEP
20h 10m2 stops
GOL Logo
3:40 am - 12:09 amAEP-PHL
21h 29m2 stops
$1,324GOL
Find Deal
mié., oct. 8 - dom., oct. 12

Air Canada flights from Philadelphia to Buenos Aires

Our best Air Canada deals on Philadelphia to Buenos Aires flight tickets
Air Canada
Oct 7
PHL3:25 pmPhiladelphia
46h 05m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Oct 16
EZE4:35 pmBuenos Aires Ministro Pistarini
30h 03m
3 stops
PHL9:38 pmPhiladelphia
$934
Find similar
Air Canada
Oct 7
PHL3:25 pmPhiladelphia
46h 05m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Oct 16
EZE4:35 pmBuenos Aires Ministro Pistarini
30h 54m
2 stops
PHL10:29 pmPhiladelphia
$994
Find similar
Air Canada
Oct 7
PHL3:25 pmPhiladelphia
24h 55m
2 stops
AEP5:20 pmBuenos Aires Jorge Newbery
Oct 16
AEP1:55 pmBuenos Aires Jorge Newbery
25h 43m
2 stops
PHL2:38 pmPhiladelphia
$1,491
Find similar

LATAM Airlines flights from Philadelphia to Buenos Aires

Our best LATAM Airlines deals on Philadelphia to Buenos Aires flight tickets
LATAM Airlines
Mar 5
PHL6:10 pmPhiladelphia
17h 50m
2 stops
AEP2:00 pmBuenos Aires Jorge Newbery
Mar 19
AEP3:40 pmBuenos Aires Jorge Newbery
23h 35m
2 stops
PHL2:15 pmPhiladelphia
$1,105
Find similar
LATAM Airlines
Feb 3
PHL6:10 pmPhiladelphia
19h 50m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Feb 14
AEP11:30 amBuenos Aires Jorge Newbery
24h 58m
2 stops
PHL10:28 amPhiladelphia
$1,155
Find similar
LATAM Airlines
Jan 29
PHL6:10 pmPhiladelphia
22h 30m
2 stops
AEP6:40 pmBuenos Aires Jorge Newbery
Feb 14
AEP11:30 amBuenos Aires Jorge Newbery
24h 58m
2 stops
PHL10:28 amPhiladelphia
$1,263
Find similar

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 septiembre 17, 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

lun. 10/13

7:54 pm-1:55 pm

3 stops41h 01m

Buenos Aires Ministro Pistarini

dom. 10/19

2:30 am-11:59 pm

3 stops22h 29m

$799

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

jue. 10/30

5:33 am-5:50 am

2 stops23h 17m

Buenos Aires Ministro Pistarini

jue. 11/6

4:55 pm-8:50 am

2 stops17h 55m

$817

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

vie. 10/31

5:33 am-5:50 am

2 stops23h 17m

Buenos Aires Ministro Pistarini

vie. 11/7

4:55 pm-8:50 am

2 stops17h 55m

$818

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

lun. 3/16

10:15 am-5:40 am

2 stops18h 25m

Buenos Aires Jorge Newbery

jue. 3/19

7:00 am-9:24 am

2 stops27h 24m

$923

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

mar. 10/7

3:25 pm-2:30 pm

3 stops46h 05m

Buenos Aires Ministro Pistarini

jue. 10/16

4:35 pm-9:38 pm

3 stops30h 03m

$934

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

mié. 3/11

6:10 am-5:40 am

2 stops22h 30m

Buenos Aires Jorge Newbery

mar. 3/24

7:00 am-1:51 pm

2 stops31h 51m

$980

PhiladelphiaBuenos Aires

PHL - EZE

PHLEZE

Philadelphia

mar. 10/7

3:25 pm-2:30 pm

3 stops46h 05m

Buenos Aires Ministro Pistarini

jue. 10/16

4:35 pm-10:29 pm

2 stops30h 54m

$994

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

jue. 3/5

6:10 pm-2:00 pm

2 stops17h 50m

Buenos Aires Jorge Newbery

jue. 3/19

3:40 pm-2:15 pm

2 stops23h 35m

$1,105

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

mar. 2/3

6:10 pm-4:00 pm

2 stops19h 50m

Buenos Aires Jorge Newbery

sáb. 2/14

11:30 am-10:28 am

2 stops24h 58m

$1,155

PhiladelphiaBuenos Aires

PHL - AEP

PHLAEP

Philadelphia

mié. 10/8

3:50 pm-1:00 pm

2 stops20h 10m

Buenos Aires Jorge Newbery

dom. 10/12

3:40 am-12:09 am

2 stops21h 29m

$1,324

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 41% 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. 13h 45m 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 $1,105Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $1,205Free CancellationRating
7.2
10,000 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