The cheapest times to fly from POS to TYS are

  • January 8th to February 4th
  • March 12th to July 22nd (except the weeks of March 19th, April 2nd, June 25th, and July 2nd)
  • October 15th to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from POS to TYS is mid November. Prices can be as high as $2569 for Thursday flights during early August, or as low as $701 for Friday flights around mid November.


When to Fly to Knoxville

Flying from Port of Spain (POS) to Knoxville, TN (TYS) will usually cost between $701 to $867 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid November with an average ticket price of $701. Due to high demand the most expensive time to fly is early August, with an average price of $2569. Planning your trip to low-cost times can easily save you $1868 on economy flights and even more on first-class flights. Generally, any price below $735 can be considered a good price for a round-trip POS to TYS flight.

See below for a graph of average weekly prices for the POS to TYS route. All prices are for round-trip tickets in USD.

POS to TYS Flight Prices

Compared to other flights, the POS to TYS flight is cheaper than the average and costs less than the average flight leaving from Port of Spain. The average price per mile (for a direct flight) is $0.2, which is below average.


Flight Prices by Day of the Week

Friday is usually the cheapest day to fly to TYS, and Thursday the cheapest day to fly back into POS. Thursdays are the most expensive days to fly to Knoxville, and Fridays are the most expensive days to return to Port of Spain. Selecting flights on the least expensive days could save you up to $31 (4%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Friday and returning a week later will cost an average of $720. Return trip prices are from the TYS to POS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from POS to TYS can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 5 hour 2 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from POS to TYS while comparing.

Destination alternative #1: Greenville-Spartanburg International Airport (GSP) in Greer, SC

  • 118 miles (190 km) away from TYS
  • Usually 3.40% less expensive than TYS
  • 1-layover flights available

See POS to GSP flights


Flight Hacking POS to TYS

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from POS to TYS — but Champion Traveler does!

Hack #1: Miami, FL (POS > MIA > TYS)

  • Price for both tickets: $505
  • Average savings: $230 (31.29%)

See POS to FLL flights

Hack #2: Fort Lauderdale, FL (POS > FLL > TYS)

  • Price for both tickets: $594
  • Average savings: $141 (19.18%)

See POS to MIA flights

Hack #3: Atlanta, GA (POS > ATL > TYS)

  • Price for both tickets: $615
  • Average savings: $121 (16.39%)

See POS to ATL flights


Flight Questions Answered

Still have questions about flying from POS to TYS? We’ve got answers.

Which airlines fly this route?

You can find 8 major airlines flying this route most often: Aeromexico, Air Canada, American, Caribbean Airlines, COPA, Delta, United, WestJet, and potentially more during busy seasons.

How far away is it from McGhee Tyson Airport to Piarco Airport?

The distance between the two airports is roughly 2247 miles or 3616 kilometers.

How long does it take to fly from POS to TYS?

The real-world flight time for a nonstop POS to TYS flight is about 5 hour 2 minutes.

How many flights go between Port of Spain and Knoxville, TN?

It depends on the day of the week and the date, but a typical day might have around 14 available flights from POS to TYS.


Airport Location Info


Departing Airport

Origination codePOS
Origination airport namePiarco Airport
CityPort of Spain
CountryTrinidad and Tobago

Return Airport

Destination codeTYS
Destination airport nameMcGhee Tyson Airport
CityKnoxville, TN
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.