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Cheap flights from Pennsylvania to Buenos Aires from $265

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 8/27. 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 Pennsylvania to Buenos Aires

Cheap round-trip flights

Avianca Logo
7:00 am - 12:10 amIAD-EZE
16h 10m1 stop
Avianca Logo
6:50 am - 2:45 amEZE-IAD
20h 55m2 stops
$615Avianca
Find Deal
Sun, Aug 24 - Tue, Sep 9
Avianca Logo
7:00 am - 12:10 amIAD-EZE
16h 10m1 stop
Avianca Logo
1:40 am - 2:00 pmEZE-IAD
13h 20m1 stop
$618Avianca
Find Deal
Wed, Oct 8 - Mon, Oct 13
LATAM Airlines Logo
5:00 pm - 11:57 amDCA-EZE
17h 57m2 stops
LATAM Airlines Logo
7:13 pm - 2:04 pmEZE-DCA
19h 51m2 stops
$620LATAM Airlines
Find Deal
Sun, Aug 24 - Sat, Sep 6
United Airlines Logo
12:50 pm - 8:00 amIAD-EZE
18h 10m1 stop
United Airlines Logo
9:00 pm - 3:03 pmEZE-IAD
19h 03m1 stop
$624United Airlines
Find Deal
Sun, Aug 24 - Tue, Sep 9
United Airlines Logo
12:50 pm - 8:00 amDCA-EZE
18h 10m1 stop
United Airlines Logo
9:00 pm - 11:36 amEZE-DCA
15h 36m1 stop
$624United Airlines
Find Deal
Sun, Aug 24 - Tue, Sep 9
LATAM Airlines Logo
5:00 pm - 11:57 amDCA-EZE
17h 57m2 stops
LATAM Airlines Logo
7:13 pm - 2:04 pmEZE-DCA
19h 51m2 stops
$627LATAM Airlines
Find Deal
Tue, Aug 19 - Wed, Aug 27
Copa Airlines Logo
2:25 am - 10:08 pmIAD-EZE
18h 43m1 stop
Copa Airlines Logo
3:48 am - 12:30 amEZE-IAD
21h 42m1 stop
$627Copa Airlines
Find Deal
Sun, Aug 24 - Thu, Sep 4
American Airlines Logo
7:44 am - 9:00 amIAD-EZE
24h 16m2 stops
American Airlines Logo
8:40 pm - 10:48 pmEZE-IAD
27h 08m2 stops
$644American Airlines
Find Deal
Mon, Aug 25 - Fri, Sep 5
American Airlines Logo
4:40 pm - 8:55 amDCA-EZE
15h 15m2 stops
American Airlines Logo
8:40 pm - 12:54 pmEZE-DCA
17h 14m1 stop
$644American Airlines
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Tue, Sep 9 - Tue, Sep 16
Copa Airlines Logo
3:24 am - 10:08 pmJFK-EZE
17h 44m1 stop
Copa Airlines Logo
2:33 pm - 3:56 amEZE-JFK
14h 23m1 stop
$645Copa Airlines
Find Deal
Mon, Sep 15 - Tue, Sep 23

Copa Airlines flights from Pennsylvania to Buenos Aires

Our best Copa Airlines deals on Pennsylvania to Buenos Aires flight tickets
Copa Airlines
Aug 18
IAD2:25 amWashington, D.C. Dulles Intl
18h 43m
1 stop
EZE10:08 pmBuenos Aires Ministro Pistarini
Aug 27
EZE8:55 amBuenos Aires Ministro Pistarini
16h 33m
1 stop
IAD12:28 amWashington, D.C. Dulles Intl
$627
Find similar
Copa Airlines
Sep 15
JFK3:24 amNew York John F Kennedy Intl
17h 44m
1 stop
EZE10:08 pmBuenos Aires Ministro Pistarini
Sep 23
EZE2:33 pmBuenos Aires Ministro Pistarini
14h 23m
1 stop
JFK3:56 amNew York John F Kennedy Intl
$645
Find similar
Copa Airlines
Sep 16
JFK10:00 amNew York John F Kennedy Intl
17h 13m
1 stop
EZE4:13 amBuenos Aires Ministro Pistarini
Sep 23
EZE2:33 pmBuenos Aires Ministro Pistarini
14h 23m
1 stop
JFK3:56 amNew York John F Kennedy Intl
$646
Find similar

Delta flights from Pennsylvania to Buenos Aires

Our best Delta deals on Pennsylvania to Buenos Aires flight tickets
Delta
Dec 7
IAD7:59 pmWashington, D.C. Dulles Intl
36h 16m
1 stop
EZE10:15 amBuenos Aires Ministro Pistarini
Dec 11
EZE11:55 pmBuenos Aires Ministro Pistarini
14h 02m
1 stop
IAD11:57 amWashington, D.C. Dulles Intl
$645
Find similar
Delta
Aug 14
IAD6:00 amWashington, D.C. Dulles Intl
26h 45m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Aug 22
EZE7:40 amBuenos Aires Ministro Pistarini
28h 43m
2 stops
IAD11:23 amWashington, D.C. Dulles Intl
$646
Find similar
Delta
Aug 12
IAD5:25 pmWashington, D.C. Dulles Intl
30h 25m
2 stops
EZE12:50 amBuenos Aires Ministro Pistarini
Aug 19
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 02m
1 stop
IAD9:12 amWashington, D.C. Dulles Intl
$708
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 August 4, 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

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 8/24

7:00 am-12:10 am

1 stop16h 10m

Buenos Aires Ministro Pistarini

Tue 9/9

6:50 am-2:45 am

2 stops20h 55m

$615

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 10/8

7:00 am-12:10 am

1 stop16h 10m

Buenos Aires Ministro Pistarini

Mon 10/13

1:40 am-2:00 pm

1 stop13h 20m

$618

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 8/24

5:00 pm-11:57 am

2 stops17h 57m

Buenos Aires Ministro Pistarini

Sat 9/6

7:13 pm-2:04 pm

2 stops19h 51m

$620

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 8/24

12:50 pm-8:00 am

1 stop18h 10m

Buenos Aires Ministro Pistarini

Tue 9/9

9:00 pm-3:03 pm

1 stop19h 03m

$624

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 8/24

12:50 pm-8:00 am

1 stop18h 10m

Buenos Aires Ministro Pistarini

Tue 9/9

9:00 pm-11:36 am

1 stop15h 36m

$624

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Tue 8/19

5:00 pm-11:57 am

2 stops17h 57m

Buenos Aires Ministro Pistarini

Wed 8/27

7:13 pm-2:04 pm

2 stops19h 51m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 8/24

2:25 am-10:08 pm

1 stop18h 43m

Buenos Aires Ministro Pistarini

Thu 9/4

3:48 am-12:30 am

1 stop21h 42m

$627

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 8/25

7:44 am-9:00 am

2 stops24h 16m

Buenos Aires Ministro Pistarini

Fri 9/5

8:40 pm-10:48 pm

2 stops27h 08m

$644

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Tue 9/9

4:40 pm-8:55 am

2 stops15h 15m

Buenos Aires Ministro Pistarini

Tue 9/16

8:40 pm-12:54 pm

1 stop17h 14m

$644

New YorkBuenos Aires

JFK - EZE

JFKEZE

New York John F Kennedy Intl

Mon 9/15

3:24 am-10:08 pm

1 stop17h 44m

Buenos Aires Ministro Pistarini

Tue 9/23

2:33 pm-3:56 am

1 stop14h 23m

$645

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 November. Flight prices, which tend to average around $1,205, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Buenos Aires from Pennsylvania during January instead. Flights to Buenos Aires in January, while not as cheap as those in November, still average around $1,243.

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 Pennsylvania 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 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 39% 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

Best Price Found

$265

Fastest flight time

13h 05m

Direct flights

Every day

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from Pennsylvania in the past 72 hours is $265. The best round-trip flight deal from Pennsylvania to Buenos Aires found on momondo in the last 72 hours is $615.
The fastest flight from Pennsylvania to Buenos Aires takes 13h 05m
Direct flights go from Pennsylvania to Buenos Aires every day.
There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)
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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
American AirlinesPriceFrom $941Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $1,040Free CancellationRating
8.0
7,987 reviews
Search Delta 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