Cheap flights from Philadelphia to Buenos Aires from $423
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 6/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Philadelphia to Buenos Aires
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Avianca flights from Philadelphia to Buenos Aires
Our best Avianca deals on Philadelphia to Buenos Aires flight tickets
Copa Airlines flights from Philadelphia to Buenos Aires
Our best Copa Airlines deals on Philadelphia to Buenos Aires flight tickets
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 November. Flight prices, which tend to average around $1,113, 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 Philadelphia during October instead. Flights to Buenos Aires in October, while not as cheap as those in November, still average around $1,253.
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 airline that flies from Philadelphia to Buenos Aires?
Air Canada, Delta, and LATAM Airlines are the most popular carriers operating from Philadelphia to Buenos Aires
What airlines fly to Buenos Aires?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Buenos Aires from Philadelphia according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 5 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.
When to book flights from Philadelphia to Buenos Aires
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
How far is Philadelphia to Buenos Aires by plane?
The distance between Philadelphia and Buenos Aires is about 5258.4 mi. 14h 25m 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?
The number of operators available for flights from Philadelphia Airport to Buenos Aires is 2 as of March 2025.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Buenos Aires is American Airlines (74% of total bookings). The next most popular airline is Delta (26%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $311 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $953 | Free Cancellation | Rating 8.0 7,890 reviews |
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.