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Cheap flights from Pennsylvania to Buenos Aires from $272

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Buenos Aires departing on 4/10. 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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0 bags

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Find the cheapest flights from Pennsylvania to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Arajet Logo
12:00 pm - 3:23 am
EWR
-
EZE
14h 23m1 stop
Arajet Logo
8:40 am - 11:30 pm
EZE
-
EWR
15h 50m1 stop
$611Arajet
Fri, May 1 - Sun, May 31
Avianca Logo
4:15 pm - 3:50 pm
IAD
-
EZE
21h 35m2 stops
Avianca Logo
7:30 am - 4:10 am
EZE
-
IAD
21h 40m2 stops
$613Avianca
Wed, Mar 4 - Wed, Mar 18
Avianca Logo
2:35 pm - 3:50 pm
IAD
-
EZE
23h 15m1 stop
Avianca Logo
4:55 pm - 2:55 pm
EZE
-
IAD
24h 00m2 stops
$614Avianca
Mon, Feb 2 - Mon, Feb 23
United Airlines Logo
6:00 am - 9:20 am
IAD
-
EZE
25h 20m1 stop
United Airlines Logo
11:55 pm - 8:41 pm
EZE
-
IAD
22h 46m1 stop
$618United Airlines
Sun, Feb 8 - Sun, Feb 15
LATAM Airlines Logo
5:00 pm - 10:15 am
DCA
-
EZE
15h 15m1 stop
LATAM Airlines Logo
11:55 pm - 12:40 pm
EZE
-
DCA
14h 45m1 stop
$620LATAM Airlines
Fri, Jan 23 - Mon, Feb 2
United Airlines Logo
11:00 am - 7:20 am
DCA
-
EZE
18h 20m1 stop
United Airlines Logo
11:55 pm - 3:55 pm
EZE
-
DCA
18h 00m1 stop
$625United Airlines
Mon, Feb 9 - Mon, Feb 16
Copa Airlines Logo
9:32 am - 4:30 am
IAD
-
EZE
17h 58m1 stop
Copa Airlines Logo
2:57 pm - 4:22 am
EZE
-
IAD
14h 25m1 stop
$628Copa Airlines
Fri, Apr 10 - Sun, Apr 19
LATAM Airlines Logo
1:19 pm - 10:30 am
IAD
-
AEP
20h 11m2 stops
LATAM Airlines Logo
3:40 pm - 12:39 pm
AEP
-
IAD
21h 59m2 stops
$636LATAM Airlines
Sun, Mar 8 - Fri, Mar 13
Delta Logo
3:00 pm - 9:00 am
IAD
-
EZE
16h 00m1 stop
Delta Logo
10:25 pm - 12:39 pm
EZE
-
IAD
15h 14m1 stop
$636Delta
Fri, Jan 16 - Wed, Mar 18
Delta Logo
6:00 pm - 9:00 am
DCA
-
EZE
13h 00m1 stop
Delta Logo
8:55 pm - 6:33 pm
EZE
-
DCA
22h 38m1 stop
$636Delta
Fri, Mar 6 - Sun, Mar 15

Copa Airlines flights from Pennsylvania to Buenos Aires

Our best Copa Airlines deals on Pennsylvania to Buenos Aires flight tickets
Copa Airlines
Apr 10
IAD9:32 amWashington, D.C. Dulles Intl
17h 58m
1 stop
EZE4:30 amBuenos Aires Ministro Pistarini
Apr 19
EZE2:57 pmBuenos Aires Ministro Pistarini
14h 25m
1 stop
IAD4:22 amWashington, D.C. Dulles Intl
$628
Find similar
Copa Airlines
Apr 20
IAD2:21 amWashington, D.C. Dulles Intl
25h 09m
1 stop
EZE4:30 amBuenos Aires Ministro Pistarini
Apr 26
EZE2:57 pmBuenos Aires Ministro Pistarini
14h 25m
1 stop
IAD4:22 amWashington, D.C. Dulles Intl
$643
Find similar
Copa Airlines
Jan 21
IAD8:25 amWashington, D.C. Dulles Intl
14h 39m
1 stop
EZE1:04 amBuenos Aires Ministro Pistarini
Jan 30
EZE2:48 pmBuenos Aires Ministro Pistarini
14h 25m
1 stop
IAD3:13 amWashington, D.C. Dulles Intl
$648
Find similar

United Airlines flights from Pennsylvania to Buenos Aires

Our best United Airlines deals on Pennsylvania to Buenos Aires flight tickets
United Airlines
Feb 8
IAD6:00 amWashington, D.C. Dulles Intl
25h 20m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Feb 15
EZE11:55 pmBuenos Aires Ministro Pistarini
22h 46m
1 stop
IAD8:41 pmWashington, D.C. Dulles Intl
$618
Find similar
United Airlines
Feb 9
DCA11:00 amWashington, D.C. Reagan-National
18h 20m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Feb 16
EZE11:55 pmBuenos Aires Ministro Pistarini
18h 00m
1 stop
DCA3:55 pmWashington, D.C. Reagan-National
$625
Find similar
United Airlines
Jan 15
IAD8:15 amWashington, D.C. Dulles Intl
21h 05m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Jan 22
EZE10:05 pmBuenos Aires Ministro Pistarini
15h 18m
1 stop
IAD11:23 amWashington, D.C. Dulles Intl
$632
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 December 28, 2025.
Use the filters below to find and compare flights from Pennsylvania to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NewarkBuenos Aires

EWR - EZE

EWREZE

Newark

Fri 5/1

12:00 pm-3:23 am

1 stop14h 23m

Buenos Aires Ministro Pistarini

Sun 5/31

8:40 am-11:30 pm

1 stop15h 50m

$611

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 3/4

4:15 pm-3:50 pm

2 stops21h 35m

Buenos Aires Ministro Pistarini

Wed 3/18

7:30 am-4:10 am

2 stops21h 40m

$613

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 2/2

2:35 pm-3:50 pm

1 stop23h 15m

Buenos Aires Ministro Pistarini

Mon 2/23

4:55 pm-2:55 pm

2 stops24h 00m

$614

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 2/8

6:00 am-9:20 am

1 stop25h 20m

Buenos Aires Ministro Pistarini

Sun 2/15

11:55 pm-8:41 pm

1 stop22h 46m

$618

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Fri 1/23

5:00 pm-10:15 am

1 stop15h 15m

Buenos Aires Ministro Pistarini

Mon 2/2

11:55 pm-12:40 pm

1 stop14h 45m

$620

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Mon 2/9

11:00 am-7:20 am

1 stop18h 20m

Buenos Aires Ministro Pistarini

Mon 2/16

11:55 pm-3:55 pm

1 stop18h 00m

$625

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Fri 4/10

9:32 am-4:30 am

1 stop17h 58m

Buenos Aires Ministro Pistarini

Sun 4/19

2:57 pm-4:22 am

1 stop14h 25m

$628

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Sun 3/8

1:19 pm-10:30 am

2 stops20h 11m

Buenos Aires Jorge Newbery

Fri 3/13

3:40 pm-12:39 pm

2 stops21h 59m

$636

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Fri 1/16

3:00 pm-9:00 am

1 stop16h 00m

Buenos Aires Ministro Pistarini

Wed 3/18

10:25 pm-12:39 pm

1 stop15h 14m

$636

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Fri 3/6

6:00 pm-9:00 am

1 stop13h 00m

Buenos Aires Ministro Pistarini

Sun 3/15

8:55 pm-6:33 pm

1 stop22h 38m

$636

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 Pennsylvania 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 Pennsylvania 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 Pennsylvania during March instead. Flights to Buenos Aires in March, while not as cheap as those in January, still average around $1,315.

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 Pennsylvania 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 Pennsylvania to Buenos Aires flights?

You could potentially save up to 14% on your flight if you consider stops on a Pennsylvania to Buenos Aires flight.

Cheap Pennsylvania to Buenos Aires flight deals and tips

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

Fastest flight time

10h 30m

Direct flights

Every day

Airports in Buenos Aires

2 airports
The fastest flight from Pennsylvania to Buenos Aires takes 10h 30m
Direct flights go from Pennsylvania to Buenos Aires every day.
There are 2 airports in Buenos Aires. From Pennsylvania there are direct flights to Buenos Aires Ministro Pistarini (EZE).
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  • When did momondo last update prices for flights from Pennsylvania to Buenos Aires?

    Prices for flights from Pennsylvania to Buenos Aires were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pennsylvania 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.

Best airlines flying from Pennsylvania to Buenos Aires

Compare and see reviews for airlines that fly from Pennsylvania to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $1,040Free CancellationRating
7.9
8,019 reviews
Search Delta flights
American AirlinesPriceFrom $1,205Free CancellationRating
7.2
11,072 reviews
Search American Airlines flights

Why use momondo?

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

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

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

All flight searches from Pennsylvania to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Pennsylvania and Buenos Aires by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Pennsylvania to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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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