Cheap flights from Pennsylvania to Buenos Aires from $260

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 12/14. 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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Cheap round-trip flights

Avianca Logo
6:45 am - 5:50 amIAD-EZE
22h 05m1 stop
Avianca Logo
7:35 am - 4:25 amEZE-IAD
22h 50m1 stop
$589Avianca
Find Deal
Mon, Oct 27 - Tue, Nov 11
Avianca Logo
3:35 pm - 5:50 amIAD-EZE
13h 15m1 stop
Avianca Logo
7:35 am - 1:40 amEZE-IAD
20h 05m2 stops
$590Avianca
Find Deal
Mon, Oct 27 - Tue, Nov 11
LATAM Airlines Logo
5:59 pm - 4:00 pmIAD-AEP
20h 01m2 stops
LATAM Airlines Logo
5:15 pm - 11:39 amAEP-IAD
20h 24m2 stops
$609LATAM Airlines
Find Deal
Wed, Nov 26 - Tue, Dec 2
LATAM Airlines Logo
6:18 pm - 4:00 pmDCA-AEP
19h 42m2 stops
LATAM Airlines Logo
12:40 pm - 2:00 pmAEP-DCA
27h 20m3 stops
$609LATAM Airlines
Find Deal
Mon, Dec 8 - Thu, Dec 11
Delta Logo
6:00 am - 5:55 amIAD-EZE
21h 55m2 stops
Delta Logo
8:00 am - 11:17 pmEZE-IAD
17h 17m2 stops
$609Delta
Find Deal
Tue, Nov 18 - Wed, Dec 3
Delta Logo
5:03 pm - 10:15 amDCA-EZE
15h 12m1 stop
Delta Logo
4:05 am - 11:39 pmEZE-DCA
21h 34m2 stops
$609Delta
Find Deal
Tue, Nov 18 - Mon, Dec 1
Copa Airlines Logo
2:25 am - 12:55 amIAD-EZE
21h 30m1 stop
Copa Airlines Logo
10:07 am - 4:20 amEZE-IAD
19h 13m1 stop
$627Copa Airlines
Find Deal
Mon, Oct 6 - Tue, Oct 14
American Airlines Logo
7:06 pm - 10:50 amDCA-EZE
14h 44m1 stop
American Airlines Logo
11:20 pm - 1:30 pmEZE-DCA
16h 10m2 stops
$632American Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 11
American Airlines Logo
6:34 am - 8:20 amIAD-EZE
24h 46m2 stops
American Airlines Logo
9:40 pm - 7:21 pmEZE-IAD
23h 41m2 stops
$644American Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 15
Copa Airlines Logo
9:34 am - 12:55 amIAD-EZE
14h 21m1 stop
Copa Airlines Logo
3:47 am - 12:30 amEZE-IAD
21h 43m1 stop
$647Copa Airlines
Find Deal
Tue, Oct 7 - Mon, Oct 13

Air Canada flights from Pennsylvania to Buenos Aires

Our best Air Canada deals on Pennsylvania to Buenos Aires flight tickets
Air Canada
Sep 23
JFK9:00 amNew York John F Kennedy Intl
28h 30m
2 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Sep 29
EZE4:35 pmBuenos Aires Ministro Pistarini
30h 10m
2 stops
JFK9:45 pmNew York John F Kennedy Intl
Air Canada
Feb 14
EWR3:30 pmNewark
21h 40m
2 stops
EZE3:10 pmBuenos Aires Ministro Pistarini
Feb 23
EZE4:45 pmBuenos Aires Ministro Pistarini
18h 57m
2 stops
EWR9:42 amNewark
Air Canada
Oct 1
EWR3:30 pmNewark
22h 00m
2 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Oct 22
EZE4:35 pmBuenos Aires Ministro Pistarini
23h 08m
2 stops
EWR2:43 pmNewark

United Airlines flights from Pennsylvania to Buenos Aires

Our best United Airlines deals on Pennsylvania to Buenos Aires flight tickets
United Airlines
Dec 1
DCA8:15 amWashington, D.C. Reagan-National
21h 05m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Dec 10
EZE11:55 pmBuenos Aires Ministro Pistarini
15h 57m
1 stop
DCA1:52 pmWashington, D.C. Reagan-National
United Airlines
Nov 8
DCA4:34 pmWashington, D.C. Reagan-National
36h 46m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Nov 20
EZE10:05 pmBuenos Aires Ministro Pistarini
15h 24m
1 stop
DCA11:29 amWashington, D.C. Reagan-National
United Airlines
Nov 1
DCA4:34 pmWashington, D.C. Reagan-National
37h 46m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Nov 15
EZE11:55 pmBuenos Aires Ministro Pistarini
25h 49m
1 stop
DCA11:44 pmWashington, D.C. Reagan-National

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 September 18, 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 10/27

6:45 am-5:50 am

1 stop22h 05m

Buenos Aires Ministro Pistarini

Tue 11/11

7:35 am-4:25 am

1 stop22h 50m

$589

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 10/27

3:35 pm-5:50 am

1 stop13h 15m

Buenos Aires Ministro Pistarini

Tue 11/11

7:35 am-1:40 am

2 stops20h 05m

$590

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 11/26

5:59 pm-4:00 pm

2 stops20h 01m

Buenos Aires Jorge Newbery

Tue 12/2

5:15 pm-11:39 am

2 stops20h 24m

$609

Washington, D.C.Buenos Aires

DCA - AEP

DCAAEP

Washington, D.C. Reagan-National

Mon 12/8

6:18 pm-4:00 pm

2 stops19h 42m

Buenos Aires Jorge Newbery

Thu 12/11

12:40 pm-2:00 pm

3 stops27h 20m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 11/18

6:00 am-5:55 am

2 stops21h 55m

Buenos Aires Ministro Pistarini

Wed 12/3

8:00 am-11:17 pm

2 stops17h 17m

$609

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Tue 11/18

5:03 pm-10:15 am

1 stop15h 12m

Buenos Aires Ministro Pistarini

Mon 12/1

4:05 am-11:39 pm

2 stops21h 34m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 10/6

2:25 am-12:55 am

1 stop21h 30m

Buenos Aires Ministro Pistarini

Tue 10/14

10:07 am-4:20 am

1 stop19h 13m

$627

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Mon 10/27

7:06 pm-10:50 am

1 stop14h 44m

Buenos Aires Ministro Pistarini

Tue 11/11

11:20 pm-1:30 pm

2 stops16h 10m

$632

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 11/1

6:34 am-8:20 am

2 stops24h 46m

Buenos Aires Ministro Pistarini

Sat 11/15

9:40 pm-7:21 pm

2 stops23h 41m

$644

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 10/7

9:34 am-12:55 am

1 stop14h 21m

Buenos Aires Ministro Pistarini

Mon 10/13

3:47 am-12:30 am

1 stop21h 43m

$647

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 37% 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)
  • 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 $874Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $1,040Free CancellationRating
7.9
7,964 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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1 adult
Sat 10/18
Sat 10/25

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