$442 Cheap Flights from Port of Spain (POS) to Buenos Aires (AEP)

View $442 flight on Sun, Dec 7, 2025Opens in a new window

Popular airlines from Piarco Intl. Airport (POS) to Buenos Aires (AEP-Aeroparque Jorge Newbery)

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Cheap Flights from Port of Spain to Buenos Aires (POS-AEP)

Prices were available within the past 7 days and start at $442 for one-way flights and $1,362 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Copa
Fri, Apr 17 - Mon, May 4
POS
Trinidad
AEP
Buenos Aires
$1,362 Roundtrip, found 2 days ago
$1,362
Roundtrip
found 2 days ago
Select Copa flight, departing Fri, Apr 17 from Trinidad to Buenos Aires, returning Mon, May 4, priced at $1,362 found 2 days ago
Copa
Mon, Dec 8 - Wed, Dec 10
POS
Trinidad
AEP
Buenos Aires
$1,374 Roundtrip, found 1 day ago
$1,374
Roundtrip
found 1 day ago
Select Copa flight, departing Mon, Dec 8 from Trinidad to Buenos Aires, returning Wed, Dec 10, priced at $1,374 found 1 day ago
Copa
Wed, Dec 10 - Thu, Dec 11
POS
Trinidad
AEP
Buenos Aires
$1,397 Roundtrip, found 2 days ago
$1,397
Roundtrip
found 2 days ago
Select Copa flight, departing Wed, Dec 10 from Trinidad to Buenos Aires, returning Thu, Dec 11, priced at $1,397 found 2 days ago
Copa
Thu, Dec 4 - Sun, Dec 7
POS
Trinidad
AEP
Buenos Aires
$1,406 Roundtrip, found 1 day ago
$1,406
Roundtrip
found 1 day ago
Select Copa flight, departing Thu, Dec 4 from Trinidad to Buenos Aires, returning Sun, Dec 7, priced at $1,406 found 1 day ago
Copa
Fri, May 1 - Sun, May 17
POS
Trinidad
AEP
Buenos Aires
$1,413 Roundtrip, found 2 days ago
$1,413
Roundtrip
found 2 days ago
Select Copa flight, departing Fri, May 1 from Trinidad to Buenos Aires, returning Sun, May 17, priced at $1,413 found 2 days ago
Copa
Sat, Dec 6 - Wed, Dec 10
POS
Trinidad
AEP
Buenos Aires
$1,425 Roundtrip, found 1 day ago
$1,425
Roundtrip
found 1 day ago
Select Copa flight, departing Sat, Dec 6 from Trinidad to Buenos Aires, returning Wed, Dec 10, priced at $1,425 found 1 day ago
Copa
Fri, Mar 13 - Fri, Apr 3
POS
Trinidad
AEP
Buenos Aires
$1,426 Roundtrip, found 1 day ago
$1,426
Roundtrip
found 1 day ago
Select Copa flight, departing Fri, Mar 13 from Trinidad to Buenos Aires, returning Fri, Apr 3, priced at $1,426 found 1 day ago
Copa
Mon, Dec 8 - Thu, Dec 11
POS
Trinidad
AEP
Buenos Aires
$1,430 Roundtrip, found 1 day ago
$1,430
Roundtrip
found 1 day ago
Select Copa flight, departing Mon, Dec 8 from Trinidad to Buenos Aires, returning Thu, Dec 11, priced at $1,430 found 1 day ago
Copa
Fri, Dec 5 - Sun, Dec 7
POS
Trinidad
AEP
Buenos Aires
$1,431 Roundtrip, found 1 day ago
$1,431
Roundtrip
found 1 day ago
Select Copa flight, departing Fri, Dec 5 from Trinidad to Buenos Aires, returning Sun, Dec 7, priced at $1,431 found 1 day ago
Copa
Mon, Dec 8 - Tue, Dec 9
POS
Trinidad
AEP
Buenos Aires
$1,435 Roundtrip, found 1 day ago
$1,435
Roundtrip
found 1 day ago
Select Copa flight, departing Mon, Dec 8 from Trinidad to Buenos Aires, returning Tue, Dec 9, priced at $1,435 found 1 day ago
British Airways
Thu, Jul 2 - Wed, Jul 15
POS
Trinidad
AEP
Buenos Aires
$2,361 Roundtrip, found 2 days ago
$2,361
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Jul 2 from Trinidad to Buenos Aires, returning Wed, Jul 15, priced at $2,361 found 2 days ago

Alternative airports near Buenos Aires

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ministro Pistarini Intl. EZE. Cheapest option available. Average driving time to city center is 25 minutes. Flights from $1,635
EZE
Ministro Pistarini Intl.
Cheapest
Average driving time to city center25 min
Flights from $1,635
Flights from Port of Spain (POS) to Buenos Aires (AEP)
Origin airport
Piarco Intl.
Destination airport
Aeroparque Jorge Newbery
Roundtrip price
$1,362
Distance
3125 mi

Port of Spain to Buenos Aires Flights

The cheapest times to fly from Port of Spain to Buenos Aires

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Port of Spain to Buenos Aires are during the month of April. You can find some of the cheapest flights from Port of Spain to Buenos Aires with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Port of Spain to Buenos Aires

Sunday is one of the best days to book for cheap flights from Port of Spain to Buenos Aires: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Port of Spain to Buenos Aires

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Port of Spain to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from $442 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Port of Spain to Buenos Aires flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Port of Spain to Buenos Aires airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Piarco Intl. Airport (POS) to Aeroparque Jorge Newbery Airport (AEP) cost?
Grab a cheap one-way flight from $442 or cheap return flight from $1,362 from Piarco Intl. Airport (POS) to Aeroparque Jorge Newbery Airport (AEP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Piarco Intl. Airport (POS) to Aeroparque Jorge Newbery Airport (AEP)?
April is the least expensive month to fly from POS to AEP. Traveling during an off-peak travel window is often the key to scoring lower fares.
What is the cheapest airline that flies from Piarco Intl. Airport (POS) to Aeroparque Jorge Newbery Airport (AEP)?
To find the cheapest airline that'll fly you from POS to AEP, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Piarco Intl. Airport (POS) to Aeroparque Jorge Newbery Airport (AEP)?
Nonstop flights from Piarco Intl. Airport (POS) to Aeroparque Jorge Newbery Airport (AEP) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from POS to AEP?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Piarco Intl. Airport (POS) to Aeroparque Jorge Newbery Airport (AEP)?
Select a flight from Piarco Intl. Airport (POS) to Aeroparque Jorge Newbery Airport (AEP) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Piarco Intl. Airport (POS) to Aeroparque Jorge Newbery Airport (AEP) last-minute?
Last-minute bookings from POS to AEP are usually more expensive. To lock in the cheapest rates, start looking for flights well in advance. That said, if you're flexible with your travel dates, you may score a cheap ticket right before your journey.
Is it cheaper to book a POS to AEP flight and hotel package?
Compared with arranging flights and hotels separately, booking a POS to AEP flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place takes the hassle out of planning your trip. Simply secure your flights and select from our extensive range of stays, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Piarco Intl. Airport (POS) to Aeroparque Jorge Newbery Airport (AEP)?
In most instances, you can cancel or reschedule your POS to AEP flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want more details, visit our Customer Service portal.

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*Available to One Key members.