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Cheap flights from Pennsylvania to Buenos Aires from $266

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 11/18. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
4:30 am - 5:50 amIAD-EZE
23h 20m2 stops
Avianca Logo
7:30 am - 3:10 amEZE-IAD
21h 40m2 stops
$639Avianca
Find Deal
Mon, Dec 1 - Wed, Dec 10
LATAM Airlines Logo
6:00 am - 4:00 pmIAD-AEP
32h 00m2 stops
LATAM Airlines Logo
11:30 am - 11:39 amAEP-IAD
26h 09m2 stops
$640LATAM Airlines
Find Deal
Mon, Dec 8 - Thu, Dec 11
Delta Logo
7:01 am - 7:20 amIAD-EZE
22h 19m1 stop
Delta Logo
8:55 pm - 5:00 pmEZE-IAD
22h 05m1 stop
$640Delta
Find Deal
Sun, Dec 7 - Sun, Dec 14
United Airlines Logo
12:40 pm - 9:20 amDCA-EZE
18h 40m1 stop
United Airlines Logo
10:05 pm - 11:29 amEZE-DCA
15h 24m1 stop
$640United Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 24
Delta Logo
6:07 am - 10:15 amDCA-EZE
26h 08m1 stop
Delta Logo
11:55 pm - 8:32 pmEZE-DCA
22h 37m1 stop
$646Delta
Find Deal
Wed, Dec 10 - Thu, Dec 25
Copa Airlines Logo
8:22 am - 1:58 amIAD-EZE
15h 36m1 stop
Copa Airlines Logo
3:41 am - 11:33 pmEZE-IAD
21h 52m1 stop
$648Copa Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 10
United Airlines Logo
6:03 am - 9:20 amIAD-EZE
25h 17m1 stop
United Airlines Logo
10:05 pm - 8:41 pmEZE-IAD
24h 36m1 stop
$658United Airlines
Find Deal
Tue, Feb 17 - Sun, Feb 22
Copa Airlines Logo
1:12 am - 1:04 amIAD-EZE
21h 52m1 stop
Copa Airlines Logo
3:47 am - 12:32 amEZE-IAD
21h 45m1 stop
$663Copa Airlines
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Wed, Jan 7 - Mon, Mar 9
American Airlines Logo
1:58 pm - 10:40 amIAD-EZE
18h 42m2 stops
American Airlines Logo
9:40 pm - 1:34 pmEZE-IAD
17h 54m2 stops
$664American Airlines
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Wed, Nov 26 - Sun, Dec 7
American Airlines Logo
6:00 am - 8:25 amIAD-EZE
24h 25m1 stop
American Airlines Logo
10:25 pm - 9:17 pmEZE-IAD
24h 52m1 stop
$687American Airlines
Find Deal
Sun, Jan 11 - Tue, Jan 27

Avianca flights from Pennsylvania to Buenos Aires

Our best Avianca deals on Pennsylvania to Buenos Aires flight tickets
Avianca
Dec 1
IAD4:30 amWashington, D.C. Dulles Intl
23h 20m
2 stops
EZE5:50 amBuenos Aires Ministro Pistarini
Dec 10
EZE7:30 amBuenos Aires Ministro Pistarini
21h 40m
2 stops
IAD3:10 amWashington, D.C. Dulles Intl
$639
Find similar
Avianca
Dec 1
IAD4:30 amWashington, D.C. Dulles Intl
23h 20m
2 stops
EZE5:50 amBuenos Aires Ministro Pistarini
Dec 10
EZE4:55 pmBuenos Aires Ministro Pistarini
22h 20m
1 stop
IAD1:15 pmWashington, D.C. Dulles Intl
$643
Find similar
Avianca
Dec 1
IAD5:45 amWashington, D.C. Dulles Intl
22h 05m
1 stop
EZE5:50 amBuenos Aires Ministro Pistarini
Dec 7
EZE1:40 amBuenos Aires Ministro Pistarini
13h 35m
1 stop
IAD1:15 pmWashington, D.C. Dulles Intl
$645
Find similar

Delta flights from Pennsylvania to Buenos Aires

Our best Delta deals on Pennsylvania to Buenos Aires flight tickets
Delta
Dec 7
IAD7:01 amWashington, D.C. Dulles Intl
22h 19m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Dec 14
EZE8:55 pmBuenos Aires Ministro Pistarini
22h 05m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
$640
Find similar
Delta
Dec 10
DCA6:07 amWashington, D.C. Reagan-National
26h 08m
1 stop
EZE10:15 amBuenos Aires Ministro Pistarini
Dec 25
EZE11:55 pmBuenos Aires Ministro Pistarini
22h 37m
1 stop
DCA8:32 pmWashington, D.C. Reagan-National
$646
Find similar
Delta
Feb 14
IAD5:25 pmWashington, D.C. Dulles Intl
35h 55m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Feb 26
EZE11:55 pmBuenos Aires Ministro Pistarini
13h 39m
1 stop
IAD11:34 amWashington, D.C. Dulles Intl
$647
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 November 10, 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

Mon 12/1

4:30 am-5:50 am

2 stops23h 20m

Buenos Aires Ministro Pistarini

Wed 12/10

7:30 am-3:10 am

2 stops21h 40m

$639

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Mon 12/8

6:00 am-4:00 pm

2 stops32h 00m

Buenos Aires Jorge Newbery

Thu 12/11

11:30 am-11:39 am

2 stops26h 09m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 12/7

7:01 am-7:20 am

1 stop22h 19m

Buenos Aires Ministro Pistarini

Sun 12/14

8:55 pm-5:00 pm

1 stop22h 05m

$640

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Wed 12/10

12:40 pm-9:20 am

1 stop18h 40m

Buenos Aires Ministro Pistarini

Wed 12/24

10:05 pm-11:29 am

1 stop15h 24m

$640

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Wed 12/10

6:07 am-10:15 am

1 stop26h 08m

Buenos Aires Ministro Pistarini

Thu 12/25

11:55 pm-8:32 pm

1 stop22h 37m

$646

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 12/4

8:22 am-1:58 am

1 stop15h 36m

Buenos Aires Ministro Pistarini

Wed 12/10

3:41 am-11:33 pm

1 stop21h 52m

$648

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 2/17

6:03 am-9:20 am

1 stop25h 17m

Buenos Aires Ministro Pistarini

Sun 2/22

10:05 pm-8:41 pm

1 stop24h 36m

$658

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 1/7

1:12 am-1:04 am

1 stop21h 52m

Buenos Aires Ministro Pistarini

Mon 3/9

3:47 am-12:32 am

1 stop21h 45m

$663

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 11/26

1:58 pm-10:40 am

2 stops18h 42m

Buenos Aires Ministro Pistarini

Sun 12/7

9:40 pm-1:34 pm

2 stops17h 54m

$664

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 1/11

6:00 am-8:25 am

1 stop24h 25m

Buenos Aires Ministro Pistarini

Tue 1/27

10:25 pm-9:17 pm

1 stop24h 52m

$687

Flights are sorted by cheapest round-trip flights 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 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 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 18% 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 40m

Direct flights

Every day

Airports in Buenos Aires

1 airport
The fastest flight from Pennsylvania to Buenos Aires takes 10h 40m
Direct flights go from Pennsylvania to Buenos Aires every day.
There is 1 airport near Buenos Aires: 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 $1,055Free CancellationRating
7.9
8,004 reviews
Search Delta flights
American AirlinesPriceFrom $1,205Free CancellationRating
7.2
11,047 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