Cheap Flights from Tri-Cities (TRI) to Posadas (PSS)

Popular airlines from Tri-Cities, TN (TRI-Tri-Cities Regional) to Posadas (PSS-Libertador General Jose de San Martin)

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Frequently asked questions

How much does a flight from Tri-Cities Regional Airport (TRI) to Libertador General Jose de San Martin Airport (PSS) cost?
Grab a cheap one-way flight or cheap return flight from Tri-Cities Regional Airport (TRI) to Libertador General Jose de San Martin Airport (PSS) 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 Tri-Cities Regional Airport (TRI) to Libertador General Jose de San Martin Airport (PSS)?
Flying in is a great way to save, as it's the cheapest month for flights between TRI and PSS. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Tri-Cities Regional Airport (TRI) to Libertador General Jose de San Martin Airport (PSS)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from TRI to PSS. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Tri-Cities Regional Airport (TRI) to Libertador General Jose de San Martin Airport (PSS)?
There are no daily direct flights available from Tri-Cities Regional Airport (TRI) to Libertador General Jose de San Martin Airport (PSS). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from TRI to PSS?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Tri-Cities Regional Airport (TRI) to Libertador General Jose de San Martin Airport (PSS)?
To touch down at Libertador General Jose de San Martin Airport (PSS) on time, pick a flight that takes off from Tri-Cities Regional Airport (TRI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Tri-Cities Regional Airport (TRI) to Libertador General Jose de San Martin Airport (PSS) last-minute?
Last-minute bookings from TRI to PSS are generally more expensive. For the lowest rates, start searching for flights well ahead of time. That being said, if you can play around with your travel dates, you may find a cheap fare just before your departure.
Is it cheaper to book a TRI to PSS flight and hotel package?
Booking a TRI to PSS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our wide range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Tri-Cities Regional Airport (TRI) to Libertador General Jose de San Martin Airport (PSS)?
It's usually possible to cancel or reschedule your TRI to PSS flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Tri-Cities Regional
Destination airport
Libertador General Jose de San Martin
Distance
4736 mi

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Tri-Cities to Posadas Flights

The cheapest times to fly from Tri-Cities to Posadas

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 Tri-Cities to Posadas are during the month of . You can find some of the cheapest flights from Tri-Cities to Posadas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Tri-Cities to Posadas

Sunday is one of the best days to book for cheap flights from Tri-Cities to Posadas: 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 Tri-Cities to Posadas

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 Tri-Cities to Posadas in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Tri-Cities to Posadas 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 Tri-Cities to Posadas 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.

 

Tri-Cities to Posadas Flights

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